Bump github.com/gobuffalo/packr/v2 from 2.5.1 to 2.8.0 (#476)

Bumps [github.com/gobuffalo/packr/v2](https://github.com/gobuffalo/packr) from 2.5.1 to 2.8.0.
- [Release notes](https://github.com/gobuffalo/packr/releases)
- [Changelog](https://github.com/gobuffalo/packr/blob/master/.goreleaser.yml)
- [Commits](https://github.com/gobuffalo/packr/compare/v2.5.1...v2.8.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

.github/workflows/ci.yml

@@ -29,7 +29,7 @@ jobs:
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
         run: |
           export KUBECONFIG="$(kind get kubeconfig-path)"
-          ./scripts/coverage.sh
+          make unit-test
           bash <(curl -s https://codecov.io/bash) -t ${CODECOV_TOKEN}
 
       - name: build fx

.github/workflows/docker.yml

@@ -35,10 +35,10 @@ jobs:
           docker build -t metrue/fx-d-base:latest -f ./assets/dockerfiles/base/d/Dockerfile ./assets/dockerfiles/base/d
           docker push metrue/fx-d-base:latest
 
-      # - name: build and publish fx java image
+      - name: build and publish fx go image
-      #   run: |
+        run: |
-      #     docker build -t metrue/fx-go-base:latest -f ./assets/dockerfiles/base/java/Dockerfile ./assets/dockerfiles/base/java
+          docker build -t metrue/fx-go-base:latest -f ./assets/dockerfiles/base/go/Dockerfile ./assets/dockerfiles/base/go
-      #     docker push metrue/fx-java-base:latest
+          docker push metrue/fx-go-base:latest
 
       - name: build and publish fx node image
         if: always()
@@ -57,11 +57,11 @@ jobs:
         run: |
           docker push metrue/fx-python-base:latest
 
-      # - name: build and publish fx rust image
+      - name: build and publish fx perl image
-      #   if: always()
+        if: always()
-      #   run: |
+        run: |
-      #     docker build -t metrue/fx-rust-base:latest -f ./assets/dockerfiles/base/rust/Dockerfile ./assets/dockerfiles/base/python
+          docker build -t metrue/fx-perl-base:latest -f ./assets/dockerfiles/base/perl/Dockerfile ./assets/dockerfiles/base/perl
-      #     docker push metrue/fx-rust-base:latest
+          docker push metrue/fx-perl-base:latest
 
       - name: build and publish fx julia image
         if: always()

.github/workflows/release.yml

@@ -33,7 +33,7 @@ jobs:
           DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
         run: |
           export KUBECONFIG="$(kind get kubeconfig-path)"
-          DEBUG=true go test -v ./...
+          make unit-test
 
       - name: build fx
         run: |

.golangci.yml

@@ -1,6 +1,6 @@
 run:
-  deadline: 10m
+  deadline: 20m
-  timeout: 10m
+  timeout: 20m
   issues-exit-code: 1
   tests: true
   skip-dirs:

.goreleaser.yml

@@ -32,3 +32,5 @@ brews:
     caveats: ""
     homepage: "https://github.com/metrue/fx"
     description: "fx, a simple but powerful Function as a Service build tools"
+    dependencies:
+      - docker

Makefile

@@ -10,10 +10,10 @@ generate:
 	packr
 
 b:
-	go build -o ${OUTPUT_DIR}/fx fx.go
+	go build -ldflags="-s -w" -o ${OUTPUT_DIR}/fx fx.go
 
 build:
-	go build -o ${OUTPUT_DIR}/fx fx.go
+	go build -ldflags="-s -w" -o ${OUTPUT_DIR}/fx fx.go
 
 pull:
 	./scripts/pull.sh
@@ -26,13 +26,13 @@ clean:
 	rm -rf ${DIST_DIR}
 
 unit-test:
-	./scripts/coverage.sh
+	CI=true ./scripts/coverage.sh
 
 cli-test-ci:
 	./scripts/test_cli.sh 'js'
 
 cli-test:
-	./scripts/test_cli.sh 'js rb py go php java d'
+	./scripts/test_cli.sh 'js rb py go php java d rs pl'
 
 http-test:
 	./scripts/http_test.sh

README.md

@@ -1,8 +1,10 @@
 fx
 ------
+
 Poor man's function as a service.
 <br/>
 ![CI](https://github.com/metrue/fx/workflows/ci/badge.svg)
+![GitHub contributors](https://img.shields.io/github/contributors/metrue/fx)
 [![CodeCov](https://codecov.io/gh/metrue/fx/branch/master/graph/badge.svg)](https://codecov.io/gh/metrue/fx)
 [![Go Report Card](https://goreportcard.com/badge/github.com/metrue/fx?style=flat-square)](https://goreportcard.com/report/github.com/metrue/fx)
 [![Go Doc](https://img.shields.io/badge/godoc-reference-blue.svg?style=flat-square)](http://godoc.org/github.com/metrue/fx)
@@ -13,13 +15,12 @@ Poor man's function as a service.
 - [Introduction](#introduction)
 - [Installation](#installation)
 - [Usage](#usage)
+- [Manage Infrastructure](#manage-infrastructure)
 - [Contribute](#contribute)
 
 
 ## Introduction
 
-![workflow](https://raw.githubusercontent.com/metrue/fx/master/docs/fx-workflow.png)
-
 fx is a tool to help you do Function as a Service on your own server, fx can make your stateless function a service in seconds, both Docker host and Kubernetes cluster supported. The most exciting thing is that you can write your functions with most programming languages.
 
 Feel free hacking fx to support the languages not listed. Welcome to tweet me [@_metrue](https://twitter.com/_metrue) on Twitter, [@metrue](https://www.weibo.com/u/2165714507) on Weibo.
@@ -36,6 +37,7 @@ Feel free hacking fx to support the languages not listed. Welcome to tweet me [@
 | PHP           | Supported     | [@chlins](https://github.com/chlins)| [/examples/PHP](https://github.com/metrue/fx/tree/master/examples/functions/PHP) |
 | Julia         | Supported     | [@matbesancon](https://github.com/matbesancon)| [/examples/Julia](https://github.com/metrue/fx/tree/master/examples/functions/Julia) |
 | D             | Supported     | [@andre2007](https://github.com/andre2007)| [/examples/D](https://github.com/metrue/fx/tree/master/examples/functions/D) |
+| Perl          | Supported     | fx            | [/examples/Perl](https://github.com/metrue/fx/tree/master/examples/functions/Perl) |
 | R             | Working on [need your help](https://github.com/metrue/fx/issues/31)   | ||
 
 # Installation
@@ -79,7 +81,7 @@ USAGE:
    fx [global options] command [command options] [arguments...]
 
 VERSION:
-   0.8.4
+   0.8.7
 
 COMMANDS:
    infra     manage infrastructure
@@ -96,44 +98,36 @@ GLOBAL OPTIONS:
    --version, -v  print the version
 ```
 
-1. Write a function
+### Deploy your function to Docker
 
-You can check out [examples](https://github.com/metrue/fx/tree/master/examples/functions) for reference. Let's write a function as an example,  it calculates the sum of two numbers then returns:
-
-```js
-module.exports = (ctx) => {
-    ctx.body = 'hello world'
-}
 ```
-Then save it to a file `func.js`.
+$ fx up --name hello-fx ./examples/functions/JavaScript/func.js
 
-2. Deploy your function as a service
++------------------------------------------------------------------+-----------+---------------+
-
+|                                ID                                |   NAME    |   ENDPOINT    |
-Give your service a port with `--port`, and name with `--name`, heath checking with `--healthcheck` if you want.
++------------------------------------------------------------------+-----------+---------------+
-
+| 5b24d36608ee392c937a61a530805f74551ddec304aea3aca2ffa0fabcf98cf3 | /hello-fx | 0.0.0.0:58328 |
-```shell
++------------------------------------------------------------------+-----------+---------------+
-$ fx up -name fx_service_name -p 10001 --healthcheck func.js
-
-2019/08/10 13:26:37  info Pack Service: ✓
-2019/08/10 13:26:39  info Build Service: ✓
-2019/08/10 13:26:39  info Run Service: ✓
-2019/08/10 13:26:39  info Service (fx_service_name) is running on: 0.0.0.0:10001
-2019/08/10 13:26:39  info up function fx_service_name(func.js) to machine localhost: ✓
 ```
 
-if you want see what the source code of your service looks like, you can export it into a dirctory,
+### Deploy your function to Kubernetes
 
-```shell
+```
-$ fx image export -o <path of dir> func.js
+$ KUBECONFIG=~/.kube/config ./build/fx up examples/functions/JavaScript/func.js --name hello-fx
-2019/09/25 19:31:19  info exported to <path of dir>: ✓
+
++-------------------------------+------+----------------+
+| ID                     | NAME        |    ENDPOINT    |
++----+--------------------------+-----------------------+
+|  5b24d36608ee392c937a  | hello-fx    | 10.0.242.75:80 |
++------------------------+-------------+----------------+
 ```
 
-3. Test your service
+### Test your service
 
 then you can test your service:
 
 ```shell
-$ curl -v 0.0.0.0:10001
+$ curl -v 0.0.0.0:58328
 
 
 GET / HTTP/1.1
@@ -155,39 +149,32 @@ hello world
 
 ```
 
-## Docker
+## Manage Infrastructure
 
-**fx** is originally designed to turn a function into a runnable Docker container in a easiest way, on a host with Docker running, you can just deploy your function with `fx up` command,
+**fx** is originally designed to turn a function into a runnable Docker container in a easiest way, on a host with Docker running, you can just deploy your function with `fx up` command,  and now **fx** supports deploy function to be a service onto Kubernetes cluster infrasture, and we encourage you to do that other than on bare Docker environment, there are lots of advantage to run your function on Kubernetes like self-healing, load balancing, easy horizontal scaling, etc. It's pretty simple to deploy your function onto Kubernetes with **fx**, you just set KUBECONFIG in your enviroment.
+
+By default. **fx** use localhost as target infrastructure to run your service, and you can also setup your remote virtual machines as **fx**'s infrastructure and deploy your functions onto it.
+
+### `fx infra create`
+
+You can create types (docker and k8s) of infrastructures for **fx** to deploy functions
 
 ```shell
-fx up --name hello-svc --port 7777 hello.js # onto localhost
+$ fx infra create --name infra_us --type docker --host <user>@<ip>                                            ## create docker type infrasture on <ip>
-DOCKER_REMOTE_HOST_ADDR=xx.xx.xx.xx DOCKER_REMOTE_HOST_USER=xxxx DOCKER_REMOTE_HOST_PASSWORD=xxxx fx up --name hello-svc --port 7777 hello.js # onto remote host
+$ fx infra create --name infra_bj --type k8s --master <user>@<ip> --agents '<user1>@<ip1>,<user2>@<ip2>'      ## create k8s type infrasture use <ip> as master node, and <ip1> and <ip2> as agents nodes
 ```
 
-## Kubernetes
+### `fx infra use`
 
-**fx** supports deploy function to be a service onto Kubernetes cluster infrasture, and we encourage you to do that other than on bare Docker environment, there are lots of advantage to run your function on Kubernetes like self-healing, load balancing, easy horizontal scaling, etc. It's pretty simple to deploy your function onto Kubernetes with **fx**, you just set KUBECONFIG in your enviroment.
+To use a infrastructure, you can use `fx infra use` command to activate it.
 
 ```shell
-KUBECONFIG=<Your KUBECONFIG> fx deploy -n fx-service-abc_js -p 12349 examples/functions/JavaScript/func.js   # function will be deploy to your Kubernetes cluster and expose a IP address of your loadbalencer
+fx infra use <infrastructure name>
 ```
 
-or
+and you can list your infrastructure with `fx infra list`
 
-```shell
+## Use Public Cloud Kubernetes Service as infrastructure to run your functions
-$ export KUBECONFIG=<Your KUBECONFIG>
-$ fx deploy -n fx-service-abc_js -p 12349 examples/functions/JavaScript/func.js   # function will be deploy to your Kubernetes cluster and expose a IP address of your loadbalencer
-```
-
-* Local Kubernetes Cluster
-
-Docker for Mac and Docker for Windows already support Kubernetes with single node cluster, we can use it directly, and the default `KUBECONFIG` is `~/.kube/config`.
-
-```shell
-$ export KUBECONFIG=~/.kube/config  # then fx will take the config to deloy function
-```
-
-if you have multiple Kubernetes clusters configured, you have to set context correctly. FYI [configure-access-multiple-clusters](https://kubernetes.io/docs/tasks/access-application-cluster/configure-access-multiple-clusters/)
 
 * Azure Kubernetes Service (AKS)
 
@@ -219,13 +206,29 @@ But we would suggest you run `kubectl config current-context` to check if the cu
 * Amazon Elastic Kubernetes Service (EKS)
   TODO
 
-* Google Kubernetes Engine (GKET)
+* Google Kubernetes Engine (GKE)
-  TODO
+
+First you should create a Kubernetes cluster in your GKE, then make sure your KUBECONFIG is ready in `~/.kube/config`, if not, you can run following commands,
+
+``` shell
+$ gcloud auth login
+$ gcloud container clusters get-credentials <your cluster> --zone <zone> --project <project>
+```
+
+Then make sure you current context is GKE cluster, you can check it with command,
+
+``` shell
+$ kubectl config current-context
+```
+
+Then you can deploy your function onto GKE cluster with,
+
+```shell
+$ KUBECONFIG=~/.kube/config fx up examples/functions/JavaScript/func.js --name hellojs
+```
 
 * Setup your own Kubernetes cluster
 
-![init workflow](https://raw.githubusercontent.com/metrue/fx/master/docs/fx-init-cluster.png)
-
 ```shell
 fx infra create --type k3s --name fx-cluster-1 --master root@123.11.2.3 --agents 'root@1.1.1.1,root@2.2.2.2'
 ```

assets/dockerfiles/base/go/Dockerfile

@@ -0,0 +1,4 @@
+FROM golang:latest
+
+# dependency management
+RUN go get github.com/gin-gonic/gin

assets/dockerfiles/base/node/package-lock.json

@@ -0,0 +1,26 @@
+{
+  "name": "fx-node-base",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "@koa/cors": {
+      "version": "2.2.3",
+      "resolved": "https://registry.npmjs.org/@koa/cors/-/cors-2.2.3.tgz",
+      "integrity": "sha512-tCVVXa39ETsit5kGBtEWWimjLn1sDaeu8+0phgb8kT3GmBDZOykkI3ZO8nMjV2p3MGkJI4K5P+bxR8Ztq0bwsA==",
+      "requires": {
+        "vary": "^1.1.2"
+      }
+    },
+    "node-fetch": {
+      "version": "2.6.0",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.0.tgz",
+      "integrity": "sha512-8dG4H5ujfvFiqDmVu9fQ5bOHUC15JMjMY/Zumv26oOvvVJjM67KF8koCWIabKQ1GJIa9r2mMZscBq/TbdOcmNA=="
+    },
+    "vary": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
+      "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
+    }
+  }
+}

assets/dockerfiles/base/node/package.json

@@ -1,5 +1,5 @@
 {
-  "name": "aok",
+  "name": "fx-node-base",
   "version": "1.0.0",
   "description": "",
   "main": "index.js",
@@ -10,12 +10,11 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
+    "@koa/cors": "^2.2.3",
     "get-port": "^3.2.0",
     "is-generator-function": "^1.0.6",
     "koa": "^2.3.0",
-    "koa-bodyparser": "^4.2.0"
+    "koa-bodyparser": "^4.2.0",
-  },
+    "node-fetch": "^2.6.0"
-  "devDependencies": {
-    "get-port-cli": "^1.1.0"
   }
 }

assets/dockerfiles/base/perl/Dockerfile

@@ -0,0 +1,10 @@
+FROM alpine:3.4
+MAINTAINER Mojolicious
+
+ADD . .
+COPY cpanfile /
+ENV EV_EXTRA_DEFS -DEV_NO_ATFORK
+
+RUN apk update && \
+  apk add perl perl-io-socket-ssl perl-dbd-pg perl-dev g++ make wget curl && \
+  curl -L https://cpanmin.us | perl - App::cpanminus && cpanm --installdeps . -M https://cpan.metacpan.org

assets/dockerfiles/base/perl/cpanfile

@@ -0,0 +1,3 @@
+requires "EV";
+requires "JSON";
+requires "Mojolicious::Lite";

assets/dockerfiles/base/ruby/Dockerfile

@@ -0,0 +1,3 @@
+FROM ruby:latest
+
+RUN gem install sinatra

bundle/bundle.go

@@ -0,0 +1,44 @@
+package bundle
+
+import (
+	"fmt"
+
+	"github.com/metrue/fx/bundler"
+	"github.com/metrue/fx/bundler/d"
+	golang "github.com/metrue/fx/bundler/go"
+	"github.com/metrue/fx/bundler/java"
+	"github.com/metrue/fx/bundler/julia"
+	"github.com/metrue/fx/bundler/node"
+	"github.com/metrue/fx/bundler/perl"
+	"github.com/metrue/fx/bundler/python"
+	"github.com/metrue/fx/bundler/ruby"
+	"github.com/metrue/fx/bundler/rust"
+)
+
+// Bundle function to project
+func Bundle(workdir string, language string, fn string, deps ...string) error {
+	var bundler bundler.Bundler
+	switch language {
+	case "d":
+		bundler = d.New()
+	case "node":
+		bundler = node.New()
+	case "go":
+		bundler = golang.New()
+	case "java":
+		bundler = java.New()
+	case "julia":
+		bundler = julia.New()
+	case "perl":
+		bundler = perl.New()
+	case "python":
+		bundler = python.New()
+	case "ruby":
+		bundler = ruby.New()
+	case "rust":
+		bundler = rust.New()
+	default:
+		return fmt.Errorf("%s not suppported yet", language)
+	}
+	return bundler.Bundle(workdir, fn, deps...)
+}

bundle/bundler_test.go

@@ -0,0 +1,117 @@
+package bundle
+
+import (
+	"io/ioutil"
+	"os"
+	"testing"
+)
+
+func createFn(content string, t *testing.T) string {
+	fd, err := ioutil.TempFile("", "fx_func_*.js")
+	if err != nil {
+		t.Fatal(err)
+	}
+	err = ioutil.WriteFile(fd.Name(), []byte(content), 0666)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	return fd.Name()
+}
+
+func TestBundle(t *testing.T) {
+	workdir, err := ioutil.TempDir("", "fx-test")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer os.RemoveAll(workdir)
+
+	cases := []struct {
+		workdir  string
+		language string
+		fn       string
+		deps     []string
+	}{
+		{
+			workdir:  workdir,
+			language: "d",
+			fn: `
+module.exports = (ctx) => {
+  ctx.body = 'hello fx'
+}
+			`,
+		},
+		{
+			workdir:  workdir,
+			language: "go",
+			fn: `
+module.exports = (ctx) => {
+  ctx.body = 'hello fx'
+}
+			`,
+		},
+		{
+			workdir:  workdir,
+			language: "java",
+			fn: `
+module.exports = (ctx) => {
+  ctx.body = 'hello fx'
+}
+			`,
+		},
+		{
+			workdir:  workdir,
+			language: "julia",
+			fn: `
+module.exports = (ctx) => {
+  ctx.body = 'hello fx'
+}
+			`,
+		},
+		{
+			workdir:  workdir,
+			language: "perl",
+			fn: `
+module.exports = (ctx) => {
+  ctx.body = 'hello fx'
+}
+			`,
+		},
+		{
+			workdir:  workdir,
+			language: "python",
+			fn: `
+module.exports = (ctx) => {
+  ctx.body = 'hello fx'
+}
+			`,
+		},
+		{
+			workdir:  workdir,
+			language: "ruby",
+			fn: `
+module.exports = (ctx) => {
+  ctx.body = 'hello fx'
+}
+			`,
+		},
+		{
+			workdir:  workdir,
+			language: "rust",
+			fn: `
+module.exports = (ctx) => {
+  ctx.body = 'hello fx'
+}
+			`,
+		},
+	}
+
+	for _, c := range cases {
+		fn := createFn(c.fn, t)
+		defer os.Remove(fn)
+
+		if err := Bundle(c.workdir, c.language, fn, c.deps...); err != nil {
+			t.Fatal(err)
+		}
+	}
+}

bundler/bundler.go

@@ -0,0 +1,88 @@
+package bundler
+
+import (
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/gobuffalo/packd"
+	"github.com/gobuffalo/packr/v2"
+	"github.com/metrue/fx/constants"
+	"github.com/metrue/fx/utils"
+)
+
+// Bundler defines interface
+type Bundler interface {
+	Scaffold(output string) error
+	Bundle(output string, fn string, deps ...string) error
+}
+
+// IsHandler check if it's handle file
+func IsHandler(name string, lang string) bool {
+	basename := filepath.Base(name)
+	nameWithoutExt := strings.TrimSuffix(basename, filepath.Ext(basename))
+	if constants.ExtLangMapping[filepath.Ext(basename)] != lang {
+		return false
+	}
+
+	return (nameWithoutExt == "fx" ||
+		// Fx is for Java
+		nameWithoutExt == "Fx" ||
+		// mod.rs is for Rust)
+		nameWithoutExt == "mod")
+}
+
+// Restore directory from packr box
+func Restore(box *packr.Box, output string) error {
+	if err := box.Walk(func(name string, fd packd.File) error {
+		content, err := box.Find(name)
+		if err != nil {
+			return err
+		}
+
+		dest := filepath.Join(output, name)
+		if err := utils.EnsureFile(dest); err != nil {
+			return err
+		}
+
+		if err := ioutil.WriteFile(dest, content, 0644); err != nil {
+			return err
+		}
+
+		return nil
+	}); err != nil {
+		return err
+	}
+	return nil
+}
+
+// Bundle bundle a function
+func Bundle(box *packr.Box, output string, language string, fn string, deps ...string) error {
+	if err := Restore(box, output); err != nil {
+		return err
+	}
+
+	if err := utils.Merge(output, deps...); err != nil {
+		return err
+	}
+
+	// Replace the default handler source file with given function source file
+	if err := filepath.Walk(output, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+
+		if IsHandler(path, language) {
+			if err := utils.CopyFile(fn, path); err != nil {
+				return err
+			}
+		}
+
+		return nil
+	}); err != nil {
+		return err
+	}
+
+	return nil
+}

bundler/bundler_test.go

@@ -0,0 +1,51 @@
+package bundler
+
+import (
+	"io/ioutil"
+	"log"
+	"os"
+	"testing"
+
+	"github.com/gobuffalo/packr/v2"
+)
+
+func TestBundler(t *testing.T) {
+	t.Run("Restore", func(t *testing.T) {
+		box := packr.New("", "./node/assets")
+		outputDir, err := ioutil.TempDir("", "fx_koa")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+		if err := Restore(box, outputDir); err != nil {
+			t.Fatal(err)
+		}
+	})
+
+	t.Run("Bundle", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content := `
+module.exports = (ctx) => {
+  ctx.body = 'hello fx'
+}`
+		if err = ioutil.WriteFile(fd.Name(), []byte(content), 0666); err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_koa")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		box := packr.New("", "./node/assets")
+		if err := Bundle(box, outputDir, "node", fd.Name()); err != nil {
+			t.Fatal(err)
+		}
+	})
+}

bundler/d/d.go

@@ -0,0 +1,32 @@
+package d
+
+import (
+	"github.com/gobuffalo/packr/v2"
+	"github.com/metrue/fx/bundler"
+)
+
+// D defines d bundler
+type D struct {
+	assets *packr.Box
+}
+
+// New a koa bundler
+func New() *D {
+	return &D{
+		assets: packr.New("", "./assets"),
+	}
+}
+
+// Scaffold a koa app
+func (d *D) Scaffold(output string) error {
+	return bundler.Restore(d.assets, output)
+}
+
+// Bundle a function into a koa project
+func (d *D) Bundle(output string, fn string, deps ...string) error {
+	return bundler.Bundle(d.assets, output, "d", fn, deps...)
+}
+
+var (
+	_ bundler.Bundler = &D{}
+)

bundler/go/assets/Dockerfile

@@ -1,11 +1,8 @@
-FROM golang:latest
+FROM metrue/fx-go-base
 
 COPY . /go/src/github.com/metrue/fx
 WORKDIR /go/src/github.com/metrue/fx
 
-# dependency management
-RUN go get github.com/gin-gonic/gin
-
 RUN go build -ldflags "-w -s" -o fx fx.go app.go
 
 EXPOSE 3000

bundler/go/go.go

@@ -0,0 +1,32 @@
+package golang
+
+import (
+	"github.com/gobuffalo/packr/v2"
+	"github.com/metrue/fx/bundler"
+)
+
+// Gin defines javascript bundler
+type Gin struct {
+	assets *packr.Box
+}
+
+// New a koa bundler
+func New() *Gin {
+	return &Gin{
+		assets: packr.New("", "./assets"),
+	}
+}
+
+// Scaffold a koa app
+func (g *Gin) Scaffold(output string) error {
+	return bundler.Restore(g.assets, output)
+}
+
+// Bundle a function into a koa project
+func (g *Gin) Bundle(output string, fn string, deps ...string) error {
+	return bundler.Bundle(g.assets, output, "go", fn, deps...)
+}
+
+var (
+	_ bundler.Bundler = &Gin{}
+)

bundler/go/go_test.go

@@ -0,0 +1,143 @@
+package golang
+
+import (
+	"io/ioutil"
+	"log"
+	"os"
+	"reflect"
+	"testing"
+
+	"github.com/metrue/fx/utils"
+)
+
+func TestKoaBundler(t *testing.T) {
+	t.Run("Scaffold", func(t *testing.T) {
+		outputDir, err := ioutil.TempDir("", "fx_koa")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		koa := New()
+		if err := koa.Scaffold(outputDir); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, _, _, err := utils.Diff(outputDir, "./assets")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if diff {
+			t.Fatalf("%s is not equal with %s", outputDir, "./assets")
+		}
+	})
+
+	t.Run("BundleSingleFunc", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content := `
+module.exports = (ctx) => {
+  ctx.body = 'hello fx'
+}`
+		err = ioutil.WriteFile(fd.Name(), []byte(content), 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_koa")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		koa := New()
+		if err := koa.Bundle(outputDir, fd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle functino should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(content)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+
+		preHandleFunc, err := ioutil.ReadFile("./assets/fx.go")
+		if err != nil {
+			t.Fatal(err)
+		}
+		if !reflect.DeepEqual(pre, preHandleFunc) {
+			{
+			}
+			t.Fatalf("it should get %s but got %s", preHandleFunc, pre)
+		}
+	})
+
+	t.Run("BundleFuncAndDeps", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content, err := ioutil.ReadFile("./assets/fx.go")
+		if err != nil {
+			t.Fatal(err)
+		}
+		err = ioutil.WriteFile(fd.Name(), content, 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		addFunc := `
+module.exports = (a, b) => a+b
+  `
+		addFd, err := ioutil.TempFile("", "fx_add_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		err = ioutil.WriteFile(addFd.Name(), []byte(addFunc), 0644)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_koa")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		koa := New()
+		if err := koa.Bundle(outputDir, fd.Name(), addFd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle functino should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(addFunc)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+		if pre != nil {
+			t.Fatal(pre)
+		}
+	})
+}

bundler/java/java.go

@@ -0,0 +1,32 @@
+package java
+
+import (
+	"github.com/gobuffalo/packr/v2"
+	"github.com/metrue/fx/bundler"
+)
+
+// Java defines javascript bundler
+type Java struct {
+	assets *packr.Box
+}
+
+// New a koa bundler
+func New() *Java {
+	return &Java{
+		assets: packr.New("", "./assets"),
+	}
+}
+
+// Scaffold a koa app
+func (k *Java) Scaffold(output string) error {
+	return bundler.Restore(k.assets, output)
+}
+
+// Bundle a function into a koa project
+func (k *Java) Bundle(output string, fn string, deps ...string) error {
+	return bundler.Bundle(k.assets, output, "java", fn, deps...)
+}
+
+var (
+	_ bundler.Bundler = &Java{}
+)

bundler/java/java_test.go

@@ -0,0 +1,155 @@
+package java
+
+import (
+	"io/ioutil"
+	"log"
+	"os"
+	"reflect"
+	"testing"
+
+	"github.com/metrue/fx/utils"
+)
+
+func TestJavaBundler(t *testing.T) {
+	t.Run("Scaffold", func(t *testing.T) {
+		outputDir, err := ioutil.TempDir("", "fx_java")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		java := New()
+		if err := java.Scaffold(outputDir); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, _, _, err := utils.Diff(outputDir, "./assets")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if diff {
+			t.Fatalf("%s is not equal with %s", outputDir, "./assets")
+		}
+	})
+
+	t.Run("BundleSingleFunc", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.java")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content := `package fx;
+
+import io.javalin.Javalin;
+import org.json.JSONObject;
+
+public class app {
+    public static void main(String[] args) {
+        Javalin app = Javalin.start(3000);
+        Fx handler = new Fx();
+        app.post("/", ctx -> {
+            JSONObject obj = new JSONObject(ctx.body());
+            ctx.result(""+handler.handle(obj));
+        });
+    }
+}
+		`
+		err = ioutil.WriteFile(fd.Name(), []byte(content), 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_java")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		java := New()
+		if err := java.Bundle(outputDir, fd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle functino should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(content)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+
+		preHandleFunc, err := ioutil.ReadFile("./assets/src/main/java/fx/Fx.java")
+		if err != nil {
+			t.Fatal(err)
+		}
+		if !reflect.DeepEqual(pre, preHandleFunc) {
+			{
+			}
+			t.Fatalf("it should get %s but got %s", preHandleFunc, pre)
+		}
+	})
+
+	t.Run("BundleFuncAndDeps", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content, err := ioutil.ReadFile("./assets/src/main/java/fx/Fx.java")
+		if err != nil {
+			t.Fatal(err)
+		}
+		err = ioutil.WriteFile(fd.Name(), content, 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		addFunc := `
+module.exports = (a, b) => a+b
+  `
+		addFd, err := ioutil.TempFile("", "fx_add_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		err = ioutil.WriteFile(addFd.Name(), []byte(addFunc), 0644)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_java")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		java := New()
+		if err := java.Bundle(outputDir, fd.Name(), addFd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle functino should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(addFunc)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+		if pre != nil {
+			t.Fatal(pre)
+		}
+	})
+}

bundler/julia/assets/fx.jl

@@ -1,4 +1,3 @@
-
 struct Input
     a::Number
     b::Number

bundler/julia/julia.go

@@ -0,0 +1,32 @@
+package julia
+
+import (
+	"github.com/gobuffalo/packr/v2"
+	"github.com/metrue/fx/bundler"
+)
+
+// Julia defines javascript bundler
+type Julia struct {
+	assets *packr.Box
+}
+
+// New a koa bundler
+func New() *Julia {
+	return &Julia{
+		assets: packr.New("", "./assets"),
+	}
+}
+
+// Scaffold a koa app
+func (k *Julia) Scaffold(output string) error {
+	return bundler.Restore(k.assets, output)
+}
+
+// Bundle a function into a koa project
+func (k *Julia) Bundle(output string, fn string, deps ...string) error {
+	return bundler.Bundle(k.assets, output, "julia", fn, deps...)
+}
+
+var (
+	_ bundler.Bundler = &Julia{}
+)

bundler/julia/julia_test.go

@@ -0,0 +1,148 @@
+package julia
+
+import (
+	"io/ioutil"
+	"log"
+	"os"
+	"reflect"
+	"testing"
+
+	"github.com/metrue/fx/utils"
+)
+
+func TestJuliaBundler(t *testing.T) {
+	t.Run("Scaffold", func(t *testing.T) {
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Scaffold(outputDir); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, _, _, err := utils.Diff(outputDir, "./assets")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if diff {
+			t.Fatalf("%s is not equal with %s", outputDir, "./assets")
+		}
+	})
+
+	t.Run("BundleSingleFunc", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.julia")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content := `struct Input
+    a::Number
+    b::Number
+end
+
+fx = function(input::Input)
+    return input.a + input.b
+end
+		`
+		err = ioutil.WriteFile(fd.Name(), []byte(content), 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Bundle(outputDir, fd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle function should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(content)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+
+		preHandleFunc, err := ioutil.ReadFile("./assets/fx.jl")
+		if err != nil {
+			t.Fatal(err)
+		}
+		if !reflect.DeepEqual(pre, preHandleFunc) {
+			{
+			}
+			t.Fatalf("it should get %s but got %s", preHandleFunc, pre)
+		}
+	})
+
+	t.Run("BundleFuncAndDeps", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content, err := ioutil.ReadFile("./assets/fx.jl")
+		if err != nil {
+			t.Fatal(err)
+		}
+		err = ioutil.WriteFile(fd.Name(), content, 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		addFunc := `
+module.exports = (a, b) => a+b
+  `
+		addFd, err := ioutil.TempFile("", "fx_add_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		err = ioutil.WriteFile(addFd.Name(), []byte(addFunc), 0644)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Bundle(outputDir, fd.Name(), addFd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle functino should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(addFunc)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+		if pre != nil {
+			t.Fatal(pre)
+		}
+	})
+}

bundler/node/assets/app.js

@@ -1,8 +1,12 @@
 const Koa = require('koa');
 const bodyParser = require('koa-bodyparser');
+const cors = require('@koa/cors');
 const fx = require('./fx');
 
 const app = new Koa();
+app.use(cors({
+  origin: '*',
+}));
 app.use(bodyParser());
 app.use(fx);
 

bundler/node/node.go

@@ -0,0 +1,34 @@
+package node
+
+import (
+	"github.com/gobuffalo/packr/v2"
+	"github.com/metrue/fx/bundler"
+)
+
+const language = "node"
+
+// Node defines node bundler
+type Node struct {
+	assets *packr.Box
+}
+
+// New a koa bundler
+func New() *Node {
+	return &Node{
+		assets: packr.New("", "./assets"),
+	}
+}
+
+// Scaffold a koa app
+func (k *Node) Scaffold(output string) error {
+	return bundler.Restore(k.assets, output)
+}
+
+// Bundle a function into a koa project
+func (k *Node) Bundle(output string, fn string, deps ...string) error {
+	return bundler.Bundle(k.assets, output, language, fn, deps...)
+}
+
+var (
+	_ bundler.Bundler = &Node{}
+)

bundler/node/node_test.go

@@ -0,0 +1,143 @@
+package node
+
+import (
+	"io/ioutil"
+	"log"
+	"os"
+	"reflect"
+	"testing"
+
+	"github.com/metrue/fx/utils"
+)
+
+func TestNodeBundler(t *testing.T) {
+	t.Run("Scaffold", func(t *testing.T) {
+		outputDir, err := ioutil.TempDir("", "fx_koa")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		koa := New()
+		if err := koa.Scaffold(outputDir); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, _, _, err := utils.Diff(outputDir, "./assets")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if diff {
+			t.Fatalf("%s is not equal with %s", outputDir, "./assets")
+		}
+	})
+
+	t.Run("BundleSingleFunc", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content := `
+module.exports = (ctx) => {
+  ctx.body = 'hello fx'
+}`
+		err = ioutil.WriteFile(fd.Name(), []byte(content), 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_koa")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		koa := New()
+		if err := koa.Bundle(outputDir, fd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle functino should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(content)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+
+		preHandleFunc, err := ioutil.ReadFile("./assets/fx.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		if !reflect.DeepEqual(pre, preHandleFunc) {
+			{
+			}
+			t.Fatalf("it should get %s but got %s", preHandleFunc, pre)
+		}
+	})
+
+	t.Run("BundleFuncAndDeps", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content, err := ioutil.ReadFile("./assets/fx.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		err = ioutil.WriteFile(fd.Name(), content, 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		addFunc := `
+module.exports = (a, b) => a+b
+  `
+		addFd, err := ioutil.TempFile("", "fx_add_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		err = ioutil.WriteFile(addFd.Name(), []byte(addFunc), 0644)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_koa")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		koa := New()
+		if err := koa.Bundle(outputDir, fd.Name(), addFd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle functino should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(addFunc)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+		if pre != nil {
+			t.Fatal(pre)
+		}
+	})
+}

bundler/perl/assets/Dockerfile

@@ -0,0 +1,6 @@
+FROM metrue/fx-perl-base
+
+ADD . .
+
+EXPOSE 3000
+CMD ["perl", "app.pl", "daemon"]

bundler/perl/assets/app.pl

@@ -0,0 +1,17 @@
+use Mojolicious::Lite;
+
+require "./fx.pl";
+
+get '/' => sub {
+  my $ctx = shift;
+  my $res = fx($ctx);
+  $ctx->render(json => $res);
+};
+
+post '/' => sub {
+  my $ctx = shift;
+  my $res = fx($ctx);
+  $ctx->render(json => $res);
+};
+
+app->start;

bundler/perl/assets/fx.pl

@@ -0,0 +1,6 @@
+sub fx {
+  my $ctx = shift;
+  return 'hello fx'
+}
+
+1;

bundler/perl/perl.go

@@ -0,0 +1,32 @@
+package perl
+
+import (
+	"github.com/gobuffalo/packr/v2"
+	"github.com/metrue/fx/bundler"
+)
+
+// Julia defines javascript bundler
+type Julia struct {
+	assets *packr.Box
+}
+
+// New a koa bundler
+func New() *Julia {
+	return &Julia{
+		assets: packr.New("", "./assets"),
+	}
+}
+
+// Scaffold a koa app
+func (k *Julia) Scaffold(output string) error {
+	return bundler.Restore(k.assets, output)
+}
+
+// Bundle a function into a koa project
+func (k *Julia) Bundle(output string, fn string, deps ...string) error {
+	return bundler.Bundle(k.assets, output, "perl", fn, deps...)
+}
+
+var (
+	_ bundler.Bundler = &Julia{}
+)

bundler/perl/perl_test.go

@@ -0,0 +1,148 @@
+package perl
+
+import (
+	"io/ioutil"
+	"log"
+	"os"
+	"reflect"
+	"testing"
+
+	"github.com/metrue/fx/utils"
+)
+
+func TestJuliaBundler(t *testing.T) {
+	t.Run("Scaffold", func(t *testing.T) {
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Scaffold(outputDir); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, _, _, err := utils.Diff(outputDir, "./assets")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if diff {
+			t.Fatalf("%s is not equal with %s", outputDir, "./assets")
+		}
+	})
+
+	t.Run("BundleSingleFunc", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.julia")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content := `struct Input
+    a::Number
+    b::Number
+end
+
+fx = function(input::Input)
+    return input.a + input.b
+end
+		`
+		err = ioutil.WriteFile(fd.Name(), []byte(content), 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Bundle(outputDir, fd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle function should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(content)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+
+		preHandleFunc, err := ioutil.ReadFile("./assets/fx.pl")
+		if err != nil {
+			t.Fatal(err)
+		}
+		if !reflect.DeepEqual(pre, preHandleFunc) {
+			{
+			}
+			t.Fatalf("it should get %s but got %s", preHandleFunc, pre)
+		}
+	})
+
+	t.Run("BundleFuncAndDeps", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content, err := ioutil.ReadFile("./assets/fx.pl")
+		if err != nil {
+			t.Fatal(err)
+		}
+		err = ioutil.WriteFile(fd.Name(), content, 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		addFunc := `
+module.exports = (a, b) => a+b
+  `
+		addFd, err := ioutil.TempFile("", "fx_add_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		err = ioutil.WriteFile(addFd.Name(), []byte(addFunc), 0644)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Bundle(outputDir, fd.Name(), addFd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle functino should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(addFunc)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+		if pre != nil {
+			t.Fatal(pre)
+		}
+	})
+}

bundler/python/python.go

@@ -0,0 +1,32 @@
+package python
+
+import (
+	"github.com/gobuffalo/packr/v2"
+	"github.com/metrue/fx/bundler"
+)
+
+// Julia defines javascript bundler
+type Julia struct {
+	assets *packr.Box
+}
+
+// New a koa bundler
+func New() *Julia {
+	return &Julia{
+		assets: packr.New("", "./assets"),
+	}
+}
+
+// Scaffold a koa app
+func (k *Julia) Scaffold(output string) error {
+	return bundler.Restore(k.assets, output)
+}
+
+// Bundle a function into a koa project
+func (k *Julia) Bundle(output string, fn string, deps ...string) error {
+	return bundler.Bundle(k.assets, output, "python", fn, deps...)
+}
+
+var (
+	_ bundler.Bundler = &Julia{}
+)

bundler/python/python_test.go

@@ -0,0 +1,148 @@
+package python
+
+import (
+	"io/ioutil"
+	"log"
+	"os"
+	"reflect"
+	"testing"
+
+	"github.com/metrue/fx/utils"
+)
+
+func TestJuliaBundler(t *testing.T) {
+	t.Run("Scaffold", func(t *testing.T) {
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Scaffold(outputDir); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, _, _, err := utils.Diff(outputDir, "./assets")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if diff {
+			t.Fatalf("%s is not equal with %s", outputDir, "./assets")
+		}
+	})
+
+	t.Run("BundleSingleFunc", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.julia")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content := `struct Input
+    a::Number
+    b::Number
+end
+
+fx = function(input::Input)
+    return input.a + input.b
+end
+		`
+		err = ioutil.WriteFile(fd.Name(), []byte(content), 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Bundle(outputDir, fd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle function should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(content)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+
+		preHandleFunc, err := ioutil.ReadFile("./assets/fx.py")
+		if err != nil {
+			t.Fatal(err)
+		}
+		if !reflect.DeepEqual(pre, preHandleFunc) {
+			{
+			}
+			t.Fatalf("it should get %s but got %s", preHandleFunc, pre)
+		}
+	})
+
+	t.Run("BundleFuncAndDeps", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content, err := ioutil.ReadFile("./assets/fx.py")
+		if err != nil {
+			t.Fatal(err)
+		}
+		err = ioutil.WriteFile(fd.Name(), content, 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		addFunc := `
+module.exports = (a, b) => a+b
+  `
+		addFd, err := ioutil.TempFile("", "fx_add_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		err = ioutil.WriteFile(addFd.Name(), []byte(addFunc), 0644)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Bundle(outputDir, fd.Name(), addFd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle functino should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(addFunc)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+		if pre != nil {
+			t.Fatal(pre)
+		}
+	})
+}

bundler/ruby/assets/Dockerfile

@@ -1,6 +1,4 @@
-FROM ruby:latest
+FROM metrue/fx-ruby-base
-
-RUN gem install sinatra
 
 COPY . .
 EXPOSE 3000

bundler/ruby/ruby.go

@@ -0,0 +1,32 @@
+package ruby
+
+import (
+	"github.com/gobuffalo/packr/v2"
+	"github.com/metrue/fx/bundler"
+)
+
+// Julia defines javascript bundler
+type Julia struct {
+	assets *packr.Box
+}
+
+// New a koa bundler
+func New() *Julia {
+	return &Julia{
+		assets: packr.New("", "./assets"),
+	}
+}
+
+// Scaffold a koa app
+func (k *Julia) Scaffold(output string) error {
+	return bundler.Restore(k.assets, output)
+}
+
+// Bundle a function into a koa project
+func (k *Julia) Bundle(output string, fn string, deps ...string) error {
+	return bundler.Bundle(k.assets, output, "ruby", fn, deps...)
+}
+
+var (
+	_ bundler.Bundler = &Julia{}
+)

bundler/ruby/ruby_test.go

@@ -0,0 +1,148 @@
+package ruby
+
+import (
+	"io/ioutil"
+	"log"
+	"os"
+	"reflect"
+	"testing"
+
+	"github.com/metrue/fx/utils"
+)
+
+func TestJuliaBundler(t *testing.T) {
+	t.Run("Scaffold", func(t *testing.T) {
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Scaffold(outputDir); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, _, _, err := utils.Diff(outputDir, "./assets")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if diff {
+			t.Fatalf("%s is not equal with %s", outputDir, "./assets")
+		}
+	})
+
+	t.Run("BundleSingleFunc", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.julia")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content := `struct Input
+    a::Number
+    b::Number
+end
+
+fx = function(input::Input)
+    return input.a + input.b
+end
+		`
+		err = ioutil.WriteFile(fd.Name(), []byte(content), 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Bundle(outputDir, fd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle function should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(content)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+
+		preHandleFunc, err := ioutil.ReadFile("./assets/fx.rb")
+		if err != nil {
+			t.Fatal(err)
+		}
+		if !reflect.DeepEqual(pre, preHandleFunc) {
+			{
+			}
+			t.Fatalf("it should get %s but got %s", preHandleFunc, pre)
+		}
+	})
+
+	t.Run("BundleFuncAndDeps", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content, err := ioutil.ReadFile("./assets/fx.rb")
+		if err != nil {
+			t.Fatal(err)
+		}
+		err = ioutil.WriteFile(fd.Name(), content, 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		addFunc := `
+module.exports = (a, b) => a+b
+  `
+		addFd, err := ioutil.TempFile("", "fx_add_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		err = ioutil.WriteFile(addFd.Name(), []byte(addFunc), 0644)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Bundle(outputDir, fd.Name(), addFd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle functino should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(addFunc)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+		if pre != nil {
+			t.Fatal(pre)
+		}
+	})
+}

bundler/rust/rust.go

@@ -0,0 +1,32 @@
+package rust
+
+import (
+	"github.com/gobuffalo/packr/v2"
+	"github.com/metrue/fx/bundler"
+)
+
+// Julia defines javascript bundler
+type Julia struct {
+	assets *packr.Box
+}
+
+// New a koa bundler
+func New() *Julia {
+	return &Julia{
+		assets: packr.New("", "./assets"),
+	}
+}
+
+// Scaffold a koa app
+func (k *Julia) Scaffold(output string) error {
+	return bundler.Restore(k.assets, output)
+}
+
+// Bundle a function into a koa project
+func (k *Julia) Bundle(output string, fn string, deps ...string) error {
+	return bundler.Bundle(k.assets, output, "rust", fn, deps...)
+}
+
+var (
+	_ bundler.Bundler = &Julia{}
+)

bundler/rust/rust_test.go

@@ -0,0 +1,148 @@
+package rust
+
+import (
+	"io/ioutil"
+	"log"
+	"os"
+	"reflect"
+	"testing"
+
+	"github.com/metrue/fx/utils"
+)
+
+func TestJuliaBundler(t *testing.T) {
+	t.Run("Scaffold", func(t *testing.T) {
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Scaffold(outputDir); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, _, _, err := utils.Diff(outputDir, "./assets")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if diff {
+			t.Fatalf("%s is not equal with %s", outputDir, "./assets")
+		}
+	})
+
+	t.Run("BundleSingleFunc", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.julia")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content := `struct Input
+    a::Number
+    b::Number
+end
+
+fx = function(input::Input)
+    return input.a + input.b
+end
+		`
+		err = ioutil.WriteFile(fd.Name(), []byte(content), 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Bundle(outputDir, fd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle function should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(content)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+
+		preHandleFunc, err := ioutil.ReadFile("./assets/src/fns/mod.rs")
+		if err != nil {
+			t.Fatal(err)
+		}
+		if !reflect.DeepEqual(pre, preHandleFunc) {
+			{
+			}
+			t.Fatalf("it should get %s but got %s", preHandleFunc, pre)
+		}
+	})
+
+	t.Run("BundleFuncAndDeps", func(t *testing.T) {
+		fd, err := ioutil.TempFile("", "fx_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer os.Remove(fd.Name())
+
+		content, err := ioutil.ReadFile("./assets/src/fns/mod.rs")
+		if err != nil {
+			t.Fatal(err)
+		}
+		err = ioutil.WriteFile(fd.Name(), content, 0666)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		addFunc := `
+module.exports = (a, b) => a+b
+  `
+		addFd, err := ioutil.TempFile("", "fx_add_func_*.js")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		err = ioutil.WriteFile(addFd.Name(), []byte(addFunc), 0644)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		outputDir, err := ioutil.TempDir("", "fx_julia")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer os.RemoveAll(outputDir)
+
+		julia := New()
+		if err := julia.Bundle(outputDir, fd.Name(), addFd.Name()); err != nil {
+			t.Fatal(err)
+		}
+
+		diff, pre, cur, err := utils.Diff("./assets", outputDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if !diff {
+			t.Fatalf("handle functino should be changed")
+		}
+
+		if !reflect.DeepEqual(cur, []byte(addFunc)) {
+			t.Fatalf("it should be %s but got %s", content, cur)
+		}
+		if pre != nil {
+			t.Fatal(pre)
+		}
+	})
+}

config/config.go

@@ -7,45 +7,67 @@ import (
 	"os"
 	"os/user"
 	"path"
-	"sync"
+	"path/filepath"
 
+	dockerInfra "github.com/metrue/fx/infra/docker"
+	"github.com/metrue/fx/types"
 	"github.com/metrue/fx/utils"
 	"github.com/mitchellh/go-homedir"
-	"gopkg.in/yaml.v2"
 )
 
-// Items data of config file
+// Configer manage fx config
-type Items struct {
+type Configer interface {
-	Clouds       map[string]map[string]string `json:"clouds"`
+	GetCurrentCloud() ([]byte, error)
-	CurrentCloud string                       `json:"current_cloud"`
+	GetCurrentCloudType() (string, error)
+	GetKubeConfig() (string, error)
+	UseCloud(name string) error
+	View() ([]byte, error)
+	AddCloud(name string, meta []byte) error
+	Dir() (string, error)
 }
 
 // Config config of fx
 type Config struct {
-	mux        sync.Mutex
 	configFile string
-	Items
+	container  *Container
 }
 
+const defaultFxConfig = "~/.fx/config.yml"
+
 // LoadDefault load default config
 func LoadDefault() (*Config, error) {
-	configFile, err := homedir.Expand("~/.fx/config.yml")
+	configFile, err := homedir.Expand(defaultFxConfig)
 	if err != nil {
 		return nil, err
 	}
 	if os.Getenv("FX_CONFIG") != "" {
 		configFile = os.Getenv("FX_CONFIG")
-
 	}
+
 	if _, err := os.Stat(configFile); os.IsNotExist(err) {
 		if err := utils.EnsureFile(configFile); err != nil {
 			return nil, err
 		}
-		if err := writeDefaultConfig(configFile); err != nil {
+	}
+	return load(configFile)
+}
+
+func load(configFile string) (*Config, error) {
+	container, err := CreateContainer(configFile)
+	if err != nil {
+		return nil, err
+	}
+	config := &Config{
+		configFile: configFile,
+		container:  container,
+	}
+
+	if container.get("clouds") == nil {
+		if err := config.writeDefaultConfig(); err != nil {
 			return nil, err
 		}
 	}
-	return load(configFile)
+	return config, nil
 }
 
 // Load config
@@ -58,138 +80,128 @@ func Load(configFile string) (*Config, error) {
 		if err := utils.EnsureFile(configFile); err != nil {
 			return nil, err
 		}
-		if err := writeDefaultConfig(configFile); err != nil {
-			return nil, err
-		}
 	}
 	return load(configFile)
 }
 
-// AddCloud add a cloud
+// AddCloud add k8s cloud
-func (c *Config) addCloud(name string, cloud map[string]string) error {
+func (c *Config) AddCloud(name string, meta []byte) error {
-	c.Items.Clouds[name] = cloud
+	var cloudMeta map[string]interface{}
-	return save(c)
+	if err := json.Unmarshal(meta, &cloudMeta); err != nil {
-}
-
-// AddDockerCloud add docker cloud
-func (c *Config) AddDockerCloud(name string, config []byte) error {
-	c.mux.Lock()
-	defer c.mux.Unlock()
-
-	var conf map[string]string
-	err := json.Unmarshal(config, &conf)
-	if err != nil {
 		return err
 	}
 
-	cloud := map[string]string{
+	cloudType, ok := cloudMeta["type"].(string)
-		"type": "docker",
+	if !ok || cloudType == "" {
-		"host": conf["ip"],
+		return fmt.Errorf("unknown cloud type")
-		"user": conf["user"],
-	}
-	return c.addCloud(name, cloud)
-}
-
-// AddK8SCloud add k8s cloud
-func (c *Config) AddK8SCloud(name string, kubeconfig []byte) error {
-	c.mux.Lock()
-	defer c.mux.Unlock()
-
-	dir := path.Dir(c.configFile)
-	kubecfg := path.Join(dir, name+".kubeconfig")
-	if err := utils.EnsureFile(kubecfg); err != nil {
-		return err
-	}
-	if err := ioutil.WriteFile(kubecfg, kubeconfig, 0666); err != nil {
-		return err
 	}
 
-	cloud := map[string]string{
+	if cloudType == types.CloudTypeK8S {
-		"type":       "k8s",
+		dir := path.Dir(c.configFile)
-		"kubeConfig": kubecfg,
+		kubecfg := path.Join(dir, name+".kubeconfig")
-	}
+		if err := utils.EnsureFile(kubecfg); err != nil {
-
+			return err
-	return c.addCloud(name, cloud)
+		}
-}
+		config, ok := cloudMeta["config"].(string)
-
+		if !ok {
-// Use set cloud instance with name as current context
+			return fmt.Errorf("invalid k8s config")
-func (c *Config) Use(name string) error {
+		}
-	c.mux.Lock()
+		if err := ioutil.WriteFile(kubecfg, []byte(config), 0666); err != nil {
-	defer c.mux.Unlock()
+			return err
-
-	has := false
-	for n := range c.Clouds {
-		if n == name {
-			has = true
-			break
 		}
 	}
-	if !has {
+
-		return fmt.Errorf("no cloud with name = %s", name)
+	if err := c.container.set("clouds."+name, cloudMeta); err != nil {
+		return err
 	}
-	c.Items.CurrentCloud = name
+
-	return save(c)
+	return nil
+}
+
+// UseCloud set cloud instance with name as current context
+func (c *Config) UseCloud(name string) error {
+	if name == "" {
+		return fmt.Errorf("could not use empty name")
+	}
+
+	if c.container.get("clouds."+name) == nil {
+		return fmt.Errorf("no such cloud with name: %s", name)
+	}
+	return c.container.set("current_cloud", name)
 }
 
 // View view current config
 func (c *Config) View() ([]byte, error) {
-	c.mux.Lock()
-	defer c.mux.Unlock()
-
 	return ioutil.ReadFile(c.configFile)
 }
 
-func load(configFile string) (*Config, error) {
+// GetCurrentCloud get current using cloud's meta
-	conf, err := ioutil.ReadFile(configFile)
+func (c *Config) GetCurrentCloud() ([]byte, error) {
-	if err != nil {
+	name, ok := c.container.get("current_cloud").(string)
-		return nil, err
+	if !ok {
+		return nil, fmt.Errorf("no active cloud")
 	}
-	var items Items
+	meta := c.container.get("clouds." + name)
-	if err := yaml.Unmarshal(conf, &items); err != nil {
+	if meta == nil {
-		return nil, err
+		return nil, fmt.Errorf("invalid config")
 	}
-	var c = Config{
+	return json.Marshal(meta)
-		configFile: configFile,
-		Items:      items,
-	}
-	return &c, nil
 }
 
-func save(c *Config) error {
+// GetCurrentCloudType get current cloud type
-	conf, err := yaml.Marshal(c.Items)
+func (c *Config) GetCurrentCloudType() (string, error) {
-	if err != nil {
+	name, ok := c.container.get("current_cloud").(string)
-		return err
+	if !ok {
+		return "", fmt.Errorf("no active cloud")
 	}
-	if err := ioutil.WriteFile(c.configFile, conf, 0666); err != nil {
+	return c.container.get("clouds." + name + ".type").(string), nil
-		return err
-	}
-	return nil
 }
 
-func writeDefaultConfig(configFile string) error {
+// GetKubeConfig get kubeconfig
+func (c *Config) GetKubeConfig() (string, error) {
+	name, ok := c.container.get("current_cloud").(string)
+	if !ok {
+		return "", fmt.Errorf("no active cloud")
+	}
+	dir := path.Dir(c.configFile)
+	kubecfg := path.Join(dir, name+".kubeconfig")
+	return kubecfg, nil
+}
+
+func (c *Config) writeDefaultConfig() error {
 	me, err := user.Current()
 	if err != nil {
 		return err
 	}
-	items := Items{
-		Clouds: map[string]map[string]string{
-			"default": map[string]string{
-				"type": "docker",
-				"host": "127.0.0.1",
-				"user": me.Username,
-			},
-		},
-		CurrentCloud: "default",
-	}
 
-	body, err := yaml.Marshal(items)
+	defaultCloud := &dockerInfra.Cloud{
+		IP:   "127.0.0.1",
+		User: me.Username,
+		Name: "default",
+		Type: types.CloudTypeDocker,
+	}
+	meta, err := defaultCloud.Dump()
 	if err != nil {
 		return err
 	}
-
+	if err := c.container.set("clouds", map[string]interface{}{}); err != nil {
-	if err := ioutil.WriteFile(configFile, body, 0666); err != nil {
 		return err
 	}
-
+	if err := c.AddCloud("default", meta); err != nil {
-	return nil
+		return err
+	}
+	return c.UseCloud("default")
 }
+
+// Dir get directory of config
+func (c *Config) Dir() (string, error) {
+	p, err := filepath.Abs(c.configFile)
+	if err != nil {
+		return "", err
+	}
+	return path.Dir(p), nil
+}
+
+var (
+	_ Configer = &Config{}
+)

config/config_test.go

@@ -4,57 +4,111 @@ import (
 	"encoding/json"
 	"fmt"
 	"os"
+	"os/user"
+	"path/filepath"
+	"reflect"
 	"testing"
+
+	k8sInfra "github.com/metrue/fx/infra/k8s"
+	"github.com/metrue/fx/types"
 )
 
 func TestConfig(t *testing.T) {
 	configPath := "./tmp/config.yml"
 	defer func() {
-		if err := os.RemoveAll("./tmp"); err != nil {
+		if err := os.RemoveAll("./tmp/config.yml"); err != nil {
 			t.Fatal(err)
 		}
 	}()
+
+	// default cloud
 	c, err := Load(configPath)
 	if err != nil {
 		t.Fatal(err)
 	}
 
-	if len(c.Clouds) != 1 {
+	defaultMeta, err := c.GetCurrentCloud()
-		t.Fatal("should contain default cloud")
-	}
-
-	name := "fx_cluster_1"
-	if err := c.Use(name); err == nil {
-		t.Fatal("should get no such cloud error")
-	}
-
-	if err := c.AddK8SCloud(name, []byte("sampe kubeconfg")); err != nil {
-		t.Fatal(err)
-	}
-
-	config := map[string]string{
-		"ip":   "127.0.0.1",
-		"user": "use1",
-	}
-	configData, _ := json.Marshal(config)
-	if err := c.AddDockerCloud("docker-1", configData); err != nil {
-		t.Fatal(err)
-	}
-
-	if err := c.Use(name); err != nil {
-		t.Fatal(err)
-	}
-
-	if c.CurrentCloud != name {
-		t.Fatalf("should get %s but got %s", name, c.CurrentCloud)
-	}
-
-	conf, err := Load(configPath)
 	if err != nil {
 		t.Fatal(err)
 	}
-	if conf.CurrentCloud != name {
+	var cloudMeta map[string]string
-		t.Fatalf("should get %s but got %s", name, c.CurrentCloud)
+	if err := json.Unmarshal(defaultMeta, &cloudMeta); err != nil {
+		t.Fatal(err)
+	}
+	if cloudMeta["ip"] != "127.0.0.1" {
+		t.Fatalf("should get %s but got %s", "127.0.0.1", cloudMeta["ip"])
+	}
+
+	me, _ := user.Current()
+	if cloudMeta["user"] != me.Username {
+		t.Fatalf("should get %s but got %s", me.Username, cloudMeta["user"])
+	}
+	if cloudMeta["type"] != types.CloudTypeDocker {
+		t.Fatalf("should get %s but got %s", types.CloudTypeDocker, cloudMeta["type"])
+	}
+	if cloudMeta["name"] != "default" {
+		t.Fatalf("should get %s but got %s", "default", cloudMeta["name"])
+	}
+
+	n1, err := k8sInfra.CreateNode(
+		"1.1.1.1",
+		"user-1",
+		"k3s-master",
+		"master-node",
+	)
+	if err != nil {
+		t.Fatal(err)
+	}
+	n2, err := k8sInfra.CreateNode(
+		"1.1.1.1",
+		"user-1",
+		"k3s-agent",
+		"agent-node-1",
+	)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	kName := "k8s-1"
+	kubeconf := "./tmp/" + kName + "config.yml"
+	defer func() {
+		if err := os.RemoveAll(kubeconf); err != nil {
+			t.Fatal(err)
+		}
+	}()
+
+	// add k8s cloud
+	kCloud := k8sInfra.NewCloud(kubeconf, n1, n2)
+	kMeta, err := kCloud.Dump()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err := c.AddCloud(kName, kMeta); err != nil {
+		t.Fatal(err)
+	}
+
+	curMeta, err := c.GetCurrentCloud()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !reflect.DeepEqual(curMeta, defaultMeta) {
+		t.Fatalf("should get %v but got %v", defaultMeta, curMeta)
+	}
+
+	if err := c.UseCloud("cloud-not-existed"); err == nil {
+		t.Fatalf("should get error when there is not given cloud name")
+	}
+
+	if err := c.UseCloud(kName); err != nil {
+		t.Fatal(err)
+	}
+
+	curMeta, err = c.GetCurrentCloud()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if reflect.DeepEqual(curMeta, kMeta) {
+		t.Fatalf("should get %v but got %v", kMeta, curMeta)
 	}
 
 	body, err := c.View()
@@ -62,4 +116,16 @@ func TestConfig(t *testing.T) {
 		t.Fatal(err)
 	}
 	fmt.Println(string(body))
+
+	dir, err := c.Dir()
+	if err != nil {
+		t.Fatal(err)
+	}
+	here, err := os.Getwd()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if dir != filepath.Join(here, "./tmp") {
+		t.Fatalf("should get %s but got %s", "./tmp", dir)
+	}
 }

config/container.go

@@ -0,0 +1,73 @@
+package config
+
+import (
+	"fmt"
+	"path/filepath"
+	"strings"
+	"sync"
+
+	"github.com/metrue/fx/utils"
+	"github.com/spf13/viper"
+)
+
+// Container config container, wrap viper as a key-value store with lock
+type Container struct {
+	mux   sync.Mutex
+	store string
+}
+
+// CreateContainer new a container
+func CreateContainer(storeFile string) (*Container, error) {
+	if err := utils.EnsureFile(storeFile); err != nil {
+		return nil, err
+	}
+
+	dir := filepath.Dir(storeFile)
+	ext := filepath.Ext(storeFile)
+	name := filepath.Base(storeFile)
+	viper.AddConfigPath(dir)
+	viper.SetConfigName(strings.Replace(name, ext, "", 1))
+	viper.SetConfigType(strings.Replace(ext, ".", "", 1))
+	if err := viper.ReadInConfig(); err != nil {
+		return nil, err
+	}
+	return &Container{
+		store: storeFile,
+	}, nil
+
+}
+
+func (c *Container) set(key string, value interface{}) error {
+	c.mux.Lock()
+	defer c.mux.Unlock()
+
+	if key == "" {
+		return fmt.Errorf("empty key not allowed")
+	}
+
+	keys := strings.Split(key, ".")
+	if len(keys) == 1 {
+		viper.Set(key, value)
+	} else {
+		prePath := keys[0]
+		for i := 1; i < len(keys)-2; i++ {
+			prePath += "." + keys[i]
+		}
+		if viper.Get(prePath) == nil {
+			return fmt.Errorf("%s not existed", prePath)
+		}
+		viper.Set(key, value)
+	}
+	// viper.Set(key, value)
+	if err := viper.WriteConfig(); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (c *Container) get(key string) interface{} {
+	c.mux.Lock()
+	defer c.mux.Unlock()
+
+	return viper.Get(key)
+}

config/container_test.go

@@ -0,0 +1,84 @@
+package config
+
+import (
+	"os"
+	"testing"
+)
+
+func TestContainer(t *testing.T) {
+	configPath := "./tmp/container.yml"
+	defer func() {
+		if err := os.RemoveAll("./tmp/container.yml"); err != nil {
+			t.Fatal(err)
+		}
+	}()
+	c, err := CreateContainer(configPath)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if err := c.set("", ""); err == nil {
+		t.Fatalf("should get error when key is empty")
+	}
+
+	if c.get("1") != nil {
+		t.Fatalf("should get %v but got %v", nil, c.get("key"))
+	}
+
+	// create
+	if err := c.set("1", "1"); err != nil {
+		t.Fatal(err)
+	}
+
+	// read
+	if c.get("1").(string) != "1" {
+		t.Fatalf("should get %s but got %s", "val-1", c.get("key"))
+	}
+
+	// invaliad set
+	if err := c.set("1.1", "1.1"); err != nil {
+		t.Fatal(err)
+	}
+	if c.get("1.1").(string) != "1.1" {
+		t.Fatalf("should get 1.1 but got %s", c.get("1.1"))
+	}
+
+	// update
+	if err := c.set("1", "11"); err != nil {
+		t.Fatal(err)
+	}
+	if c.get("1").(string) != "11" {
+		t.Fatalf("should get 11 but got %s", c.get("1").(string))
+	}
+
+	// nested set
+	if err := c.set("2.2.2.2", "2222"); err == nil {
+		t.Fatalf("should throw error since 2.2.2 not ready yet")
+	}
+
+	if err := c.set("2", map[string]interface{}{
+		"2": map[string]interface{}{
+			"2": "2",
+		},
+	}); err != nil {
+		t.Fatal(err)
+	}
+
+	if c.get("2.2.2").(string) != "2" {
+		t.Fatalf("should get 2 but got %s", c.get("2.2.2"))
+	}
+	if err := c.set("2.2.2.2", "2222"); err != nil {
+		t.Fatal(err)
+	}
+	if c.get("2.2.2.2").(string) != "2222" {
+		t.Fatalf("should get 2222 but got %s", c.get("2.2.2.2"))
+	}
+
+	if err := c.set("2.2.2.1", "1111"); err != nil {
+		t.Fatal(err)
+	}
+
+	if c.get("2.2.2.1").(string) != "1111" {
+		t.Fatalf("should get 1111 but got %s", c.get("2.2.2.1"))
+	}
+}

config/env.go

@@ -0,0 +1,14 @@
+package config
+
+import (
+	"os"
+)
+
+// DisableContainerAutoremove to tell if to run container with --rm
+var DisableContainerAutoremove = false
+
+func init() {
+	if os.Getenv("DISABLE_CONTAINER_AUTOREMOVE") == "true" {
+		DisableContainerAutoremove = true
+	}
+}

config/env_test.go

@@ -0,0 +1,17 @@
+package config
+
+import (
+	"os"
+	"testing"
+)
+
+var _ = func() (_ struct{}) {
+	os.Setenv("DISABLE_CONTAINER_AUTOREMOVE", "true")
+	return
+}()
+
+func TestEnvLoad(t *testing.T) {
+	if !DisableContainerAutoremove {
+		t.Fatalf("should be true after set")
+	}
+}

config/types.go

@@ -1,7 +0,0 @@
-package config
-
-// CloudTypeDocker docker type
-const CloudTypeDocker = "docker"
-
-// CloudTypeK8S k8s type
-const CloudTypeK8S = "k8s"

constants/languages.go

@@ -0,0 +1,15 @@
+package constants
+
+// ExtLangMapping file extension mapping with programming language
+var ExtLangMapping = map[string]string{
+	".js":   "node",
+	".go":   "go",
+	".rb":   "ruby",
+	".py":   "python",
+	".php":  "php",
+	".jl":   "julia",
+	".java": "java",
+	".d":    "d",
+	".rs":   "rust",
+	".pl":   "perl",
+}

container_runtimes/docker/http/api.go

@@ -23,6 +23,7 @@ import (
 	"github.com/docker/go-connections/nat"
 	"github.com/google/go-querystring/query"
 	"github.com/google/uuid"
+	fxConfig "github.com/metrue/fx/config"
 	containerruntimes "github.com/metrue/fx/container_runtimes"
 	"github.com/metrue/fx/types"
 	"github.com/metrue/fx/utils"
@@ -37,27 +38,29 @@ type API struct {
 
 // Create a API
 func Create(host string, port string) (*API, error) {
-	version, err := utils.DockerVersion(host, port)
+	addr := host + ":" + port
+	v, err := version(addr)
 	if err != nil {
 		return nil, err
 	}
-	endpoint := fmt.Sprintf("http://%s:%s/v%s", host, port, version)
+	endpoint := fmt.Sprintf("http://%s:%s/v%s", host, port, v)
 	return &API{
 		endpoint: endpoint,
-		version:  version,
+		version:  v,
 	}, nil
 }
 
 // MustCreate a api object, panic if not
 func MustCreate(host string, port string) *API {
-	version, err := utils.DockerVersion(host, port)
+	addr := host + ":" + port
+	v, err := version(addr)
 	if err != nil {
 		panic(err)
 	}
-	endpoint := fmt.Sprintf("http://%s:%s/v%s", host, port, version)
+	endpoint := fmt.Sprintf("http://%s:%s/v%s", host, port, v)
 	return &API{
 		endpoint: endpoint,
-		version:  version,
+		version:  v,
 	}
 }
 
@@ -131,7 +134,11 @@ func (api *API) post(path string, body []byte, expectStatus int, v interface{})
 
 // Version get version of docker engine
 func (api *API) Version(ctx context.Context) (string, error) {
-	path := api.endpoint + "/version"
+	return version(api.endpoint)
+}
+
+func version(endpoint string) (string, error) {
+	path := endpoint + "/version"
 	if !strings.HasPrefix(path, "http") {
 		path = "http://" + path
 	}
@@ -221,17 +228,27 @@ func (api *API) ListContainer(ctx context.Context, name string) ([]types.Service
 
 	svs := make(map[string]types.Service)
 	for _, container := range containers {
+		name := "UNKNOWN"
+		if len(container.Names) > 0 {
+			name = container.Names[0]
+		}
+
+		port := -1
+		ip := "UNKNOWN"
+		if len(container.Ports) > 0 {
+			ip = container.Ports[0].IP
+			port = int(container.Ports[0].PublicPort)
+		}
+
 		// container name have extra forward slash
 		// https://github.com/moby/moby/issues/6705
-		if strings.HasPrefix(container.Names[0], fmt.Sprintf("/%s", name)) {
+		svs[container.Image] = types.Service{
-			svs[container.Image] = types.Service{
+			Name:  name,
-				Name:  container.Names[0],
+			Image: container.Image,
-				Image: container.Image,
+			ID:    container.ID,
-				ID:    container.ID,
+			Host:  ip,
-				Host:  container.Ports[0].IP,
+			Port:  port,
-				Port:  int(container.Ports[0].PublicPort),
+			State: container.State,
-				State: container.State,
-			}
 		}
 	}
 	services := []types.Service{}
@@ -386,7 +403,7 @@ func (api *API) StartContainer(ctx context.Context, name string, image string, b
 	}
 
 	hostConfig := &dockerTypesContainer.HostConfig{
-		AutoRemove:   true,
+		AutoRemove:   !fxConfig.DisableContainerAutoremove,
 		PortBindings: portMap,
 	}
 

container_runtimes/docker/sdk/docker.go

@@ -18,6 +18,7 @@ import (
 	"github.com/docker/docker/client"
 	"github.com/docker/go-connections/nat"
 	"github.com/google/uuid"
+	fxConfig "github.com/metrue/fx/config"
 	containerruntimes "github.com/metrue/fx/container_runtimes"
 	"github.com/metrue/fx/types"
 	"github.com/metrue/fx/utils"
@@ -161,7 +162,7 @@ func (d *Docker) StartContainer(ctx context.Context, name string, image string,
 	}
 
 	hostConfig := &dockerTypesContainer.HostConfig{
-		AutoRemove:   true,
+		AutoRemove:   !fxConfig.DisableContainerAutoremove,
 		PortBindings: portMap,
 	}
 	resp, err := d.ContainerCreate(ctx, config, hostConfig, nil, name)

examples/functions/Perl/README.md

@@ -0,0 +1,68 @@
+# Make a Perl function a service with fx
+
+[![asciicast](https://asciinema.org/a/aXpr0jquwhhwhghiDCdC7nY8r.svg)](https://asciinema.org/a/aXpr0jquwhhwhghiDCdC7nY8r)
+
+
+### Hello World
+
+```perl
+sub fx {
+  return 'hello fx'
+}
+
+1;
+```
+
+then deploy it with `fx up` command,
+
+```shell
+$ fx up -p 8080 --name helloworld func.pl
+```
+
+test it using `curl`
+
+```shell
+$ curl 127.0.0.1:8080
+
+HTTP/1.1 200 OK
+Connection: keep-alive
+Content-Length: 11
+Content-Type: text/plain; charset=utf-8
+Date: Tue, 06 Aug 2019 15:58:41 GMT
+
+hello fx
+```
+
+### Sum
+
+```perl
+sub fx {
+  my $ctx = shift;
+  my $a = $ctx->req->json->{"a"};
+  my $b = $ctx->req->json->{"b"};
+  return int($a) + int($b)
+}
+
+1;
+```
+
+```shell
+fx up --name add --port 40002 --force add.pl
+```
+
+Then test it with httpie.
+```shell
+$ http post 0.0.0.0:40002 a=1 b=2
+
+HTTP/1.1 200 OK
+Content-Length: 1
+Content-Type: application/json;charset=UTF-8
+Date: Thu, 02 Jan 2020 15:39:49 GMT
+Server: Mojolicious (Perl)
+
+3
+```
+
+### ctx
+
+The `ctx` object is exactly the [Controller](https://mojolicious.org/perldoc/Mojolicious/Controller) of [Mojolicious](https://mojolicious.org/perldoc/Mojolicious) framework.

examples/functions/Perl/add.pl

@@ -0,0 +1,8 @@
+sub fx {
+  my $ctx = shift;
+  my $a = $ctx->req->json->{"a"};
+  my $b = $ctx->req->json->{"b"};
+  return int($a) + int($b)
+}
+
+1;

examples/functions/Perl/demo.cast

@@ -0,0 +1,417 @@
+{"version": 2, "width": 204, "height": 47, "timestamp": 1577978477, "env": {"SHELL": "/bin/zsh", "TERM": "xterm-256color"}}
+[1.14954, "o", "\u001b[1m\u001b[7m%\u001b[27m\u001b[1m\u001b[0m                                                                                                                                                                                                           \r \r"]
+[1.150447, "o", "\u001b]2;minhuang@C02ZL0RJLVDN: ~/Codes/fx/examples/functions/Perl\u0007\u001b]1;..unctions/Perl\u0007"]
+[1.198859, "o", "\r\u001b[0m\u001b[27m\u001b[24m\u001b[J\u001b[01;31m➜  \u001b[36mPerl\u001b[00m \u001b[01;34mgit:(\u001b[31mperl\u001b[34m) \u001b[33m✗\u001b[00m \u001b[K"]
+[1.199061, "o", "\u001b[?1h\u001b=\u001b[?2004h"]
+[2.253827, "o", "l"]
+[2.400431, "o", "\bls"]
+[2.55552, "o", "\u001b[?1l\u001b>"]
+[2.555606, "o", "\u001b[?2004l\r\r\n"]
+[2.557935, "o", "\u001b]2;ls -G\u0007\u001b]1;ls\u0007"]
+[2.565597, "o", "README.md add.pl    demo.cast hello.pl\r\n"]
+[2.566169, "o", "\u001b[1m\u001b[7m%\u001b[27m\u001b[1m\u001b[0m                                                                                                                                                                                                           \r \r"]
+[2.566464, "o", "\u001b]2;minhuang@C02ZL0RJLVDN: ~/Codes/fx/examples/functions/Perl\u0007\u001b]1;..unctions/Perl\u0007"]
+[2.616843, "o", "\r\u001b[0m\u001b[27m\u001b[24m\u001b[J\u001b[01;32m➜  \u001b[36mPerl\u001b[00m \u001b[01;34mgit:(\u001b[31mperl\u001b[34m) \u001b[33m✗\u001b[00m \u001b[K"]
+[2.617034, "o", "\u001b[?1h\u001b=\u001b[?2004h"]
+[2.915162, "o", "v"]
+[2.988711, "o", "\bvi"]
+[3.202168, "o", "m"]
+[3.350667, "o", " "]
+[4.12655, "o", "h"]
+[4.274974, "o", "e"]
+[4.416048, "o", "llo.pl\u001b[1m \u001b[0m"]
+[4.787927, "o", "\b\u001b[0m \b"]
+[4.788014, "o", "\u001b[?1l\u001b>\u001b[?2004l"]
+[4.788292, "o", "\r\r\n"]
+[4.789415, "o", "\u001b]2;/usr/local/Cellar/vim/8.2.0/bin/vim hello.pl\u0007\u001b]1;vim\u0007"]
+[4.946445, "o", "\u001b[?1000h\u001b[?1049h\u001b[>4;2m\u001b[?1h\u001b=\u001b[?2004h\u001b[1;47r\u001b[?12h\u001b[?12l\u001b[22;2t\u001b[22;1t"]
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+[5.134064, "o", "\u001b[?1000l\u001b[?2004l"]
+[5.151895, "o", "\u001b[?2004h\u001b[?1000h"]
+[5.172471, "o", "\u001b[2;1H▽\u001b[6n\u001b[2;1H  \u001b[1;1H\u001b[>c"]
+[5.172688, "o", "\u001b]10;?\u0007\u001b]11;?\u0007"]
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+[5.177078, "o", "                                                                                                                                                                                      \u001b[9;1H~                                                                                                                                                                                                           \u001b[10;1H~                                                                                                                                                                                                           \u001b[11;1H~                                                                                                                                                                                                           \u001b[12;1H~                                                                                                                                                                                                          "]
+[5.177184, "o", " \u001b[13;1H~                                                                                                                                                                                                           \u001b[14;1H~                                                                                                                                                                                                           \u001b[15;1H~                                                                                                                                                                                                           \u001b[16;1H~                                                                                                                                                                                                           \u001b[17;1H~                                                                                                                                                                           "]
+[5.177303, "o", "                                \u001b[18;1H~                                                                                                                                                                                                           \u001b[19;1H~                                                                                                                                                                                                           \u001b[20;1H~                                                                                                                                                                                                           \u001b[21;1H~                                                                                                                                                                                                           \u001b[22;1H~                                                                                                                                            "]
+[5.17742, "o", "                                                               \u001b[23;1H~                                                                                                                                                                                                           \u001b[24;1H~                                                                                                                                                                                                           \u001b[25;1H~                                                                                                                                                                                                           \u001b[26;1H~                                                                                                                                                                                                           \u001b[27;1H~                                                                                                             "]
+[5.177516, "o", "                                                                                              \u001b[28;1H~                                                                                                                                                                                                           \u001b[29;1H~                                                                                                                                                                                                           \u001b[30;1H~                                                                                                                                                                                                           \u001b[31;1H~                                                                                                                                                                                                           \u001b[32;1H~                                                                              "]
+[5.177622, "o", "                                                                                                                             \u001b[33;1H~                                                                                                                                                                                                           \u001b[34;1H~                                                                                                                                                                                                           \u001b[35;1H~                                                                                                                                                                                                           \u001b[36;1H~                                                                                                                                                                                                           \u001b[37;1H~                                               "]
+[5.177732, "o", "                                                                                                                                                            \u001b[38;1H~                                                                                                                                                                                                           \u001b[39;1H~                                                                                                                                                                                                           \u001b[40;1H~                                                                                                                                                                                                           \u001b[41;1H~                                                                                                                                                                                                           "]
+[5.190961, "o", "\u001b[42;1H~                                                                                                                                                                                                           \u001b[43;1H~                                                                                                                                                                                                           \u001b[44;1H~                                                                                                                                                                                                           \u001b[45;1H~                                                                                                                                                                                                           \u001b[m\u001b[38;2;191;199;213m\u001b[48;2;41;45;62m\u001b[46;1H\u001b[38;2;41;45;62m\u001b[48;2;147;158;222m \u001b[m\u001b[38;2;191;199;213m\u001b[48;2;41;45;62m\u001b[1m\u001b[38;2;41;45;62m\u001b[48;2;147;158;222mNORMAL\u001b[m\u001b[38;2;191;19"]
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+[6.227967, "o", "\u001b[m\u001b[38;2;191;199;213m\u001b[48;2;41;45;62m\u001b[46;183H\u001b[38;2;41;45;62m\u001b[48;2;147;158;222m10\u001b[m\u001b[38;2;191;199;213m\u001b[48;2;41;45;62m\u001b[8C\u001b[1m\u001b[38;2;41;45;62m\u001b[48;2;147;158;222m5/\u001b[5;5H"]
+[6.440828, "o", "\u0007"]
+[6.999501, "o", "\u001b[?25l\u001b[m\u001b[38;2;191;199;213m\u001b[48;2;41;45;62m\u001b[47;1H\u001b[K\u001b[47;1H:\u001b[?1000l\u001b[?2004h\u001b[?25h"]
+[7.282638, "o", "q"]
+[7.580486, "o", "w"]
+[8.042814, "o", "\u001b[?25l\u001b[47;3H\u001b[K\u001b[47;3H\u001b[?25h"]
+[8.209127, "o", "\u001b[?25l\u001b[47;2H\u001b[K\u001b[47;2H\u001b[?25h"]
+[8.29389, "o", "w"]
+[8.364523, "o", "q"]
+[8.552089, "o", "\r"]
+[8.554758, "o", "\u001b[?1000h\u001b[?25l\u001b[?1000l\u001b[?2004l"]
+[8.555496, "o", "\"hello.pl\""]
+[8.564609, "o", " 5L, 35C written"]
+[8.595134, "o", "\r\u001b[23;2t\u001b[23;1t\r\r\n\u001b[39;49m\u001b[?2004l\u001b[?1l\u001b>\u001b[?25h\u001b[>4;m\u001b[?1049l"]
+[8.599757, "o", "\u001b[1m\u001b[7m%\u001b[27m\u001b[1m\u001b[0m                                                                                                                                                                                                           \r \r"]
+[8.600003, "o", "\u001b]2;minhuang@C02ZL0RJLVDN: ~/Codes/fx/examples/functions/Perl\u0007\u001b]1;..unctions/Perl\u0007"]
+[8.683359, "o", "\r\u001b[0m\u001b[27m\u001b[24m\u001b[J\u001b[01;32m➜  \u001b[36mPerl\u001b[00m \u001b[01;34mgit:(\u001b[31mperl\u001b[34m) \u001b[33m✗\u001b[00m \u001b[K"]
+[8.683591, "o", "\u001b[?1h\u001b="]
+[8.683745, "o", "\u001b[?2004h"]
+[9.988453, "o", "f"]
+[10.203643, "o", "\bfx"]
+[10.533603, "o", " up --name add --port 40001 hello.pl --force"]
+[11.146588, "o", "\u001b[?1l\u001b>"]
+[11.146941, "o", "\u001b[?2004l\r\r\n"]
+[11.148205, "o", "\u001b]2;fx up --name add --port 40001 hello.pl --force\u0007"]
+[11.148443, "o", "\u001b]1;fx\u0007"]
+[11.24007, "o", "building \u001b[32m[                    ]\u001b[0m "]
+[11.340717, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"]
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+[36.589795, "o", "\u001b[K\u001b[K\u001b[K\u001b[K\u001b[Kdeploying add \u001b[34m[=====>              ]\u001b[0m "]
+[36.691472, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"]
+[36.691721, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[Kdeploying add \u001b[34m[======>             ]\u001b[0m "]
+[36.711906, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"]
+[36.712114, "o", "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K\u001b[K"]
+[36.714878, "o", "+------------------------------------------------------------------+------+---------------+\r\n|                                ID                                | NAME |   ENDPOINT    |"]
+[36.715104, "o", "\r\n+------------------------------------------------------------------+------+---------------+\r\n| 9ccf40c247b8cd6a82292fc526f6e1139432953b231ba4f51a1f18d4c13f6458 | /add | 0.0.0.0:40002 |\r\n+------------------------------------------------------------------+------+---------------+\r\n"]
+[36.716932, "o", "\u001b[1m\u001b[7m%\u001b[27m\u001b[1m\u001b[0m                                                                                                                                                                                                           \r \r"]
+[36.717114, "o", "\u001b]2;minhuang@C02ZL0RJLVDN: ~/Codes/fx/examples/functions/Perl\u0007"]
+[36.717147, "o", "\u001b]1;..unctions/Perl\u0007"]
+[36.779836, "o", "\r\u001b[0m\u001b[27m\u001b[24m\u001b[J\u001b[01;32m➜  \u001b[36mPerl\u001b[00m \u001b[01;34mgit:(\u001b[31mperl\u001b[34m) \u001b[33m✗\u001b[00m \u001b[K"]
+[36.779976, "o", "\u001b[?1h\u001b=\u001b[?2004h"]
+[37.398193, "o", "h"]
+[37.594295, "o", "\bht"]
+[37.71095, "o", "t"]
+[37.85487, "o", "p"]
+[38.075195, "o", " "]
+[38.247123, "o", "p"]
+[38.426405, "o", "o"]
+[39.448868, "o", "st 0.0.0.0:40002 a=1 b=2"]
+[40.51774, "o", "\u001b[?1l\u001b>\u001b[?2004l"]
+[40.517813, "o", "\r\r\n"]
+[40.518991, "o", "\u001b]2;http post 0.0.0.0:40002 a=1 b=2\u0007"]
+[40.51914, "o", "\u001b]1;http\u0007"]
+[40.811478, "o", "\u001b[34mHTTP\u001b[39;49;00m/\u001b[34m1.1\u001b[39;49;00m \u001b[34m200\u001b[39;49;00m \u001b[36mOK\u001b[39;49;00m\r\n\u001b[36mContent-Length\u001b[39;49;00m: 1\r\n\u001b[36mContent-Type\u001b[39;49;00m: application/json;charset=UTF-8\r\n\u001b[36mDate\u001b[39;49;00m: Thu, 02 Jan 2020 15:21:57 GMT\r\n\u001b[36mServer\u001b[39;49;00m: Mojolicious (Perl)\r\r\n\r\r\n"]
+[40.812798, "o", "\u001b[34m3\u001b[39;49;00m\r\n\r\n"]
+[40.837697, "o", "\u001b[1m\u001b[7m%\u001b[27m\u001b[1m\u001b[0m                                                                                                                                                                                                           \r \r"]
+[40.837901, "o", "\u001b]2;minhuang@C02ZL0RJLVDN: ~/Codes/fx/examples/functions/Perl\u0007\u001b]1;..unctions/Perl\u0007"]
+[40.890525, "o", "\r\u001b[0m\u001b[27m\u001b[24m\u001b[J\u001b[01;32m➜  \u001b[36mPerl\u001b[00m \u001b[01;34mgit:(\u001b[31mperl\u001b[34m) \u001b[33m✗\u001b[00m \u001b[K"]
+[40.890681, "o", "\u001b[?1h\u001b=\u001b[?2004h"]
+[43.215524, "o", "\u001b[?2004l\r\r\n"]

examples/functions/Perl/hello.pl

@@ -0,0 +1,5 @@
+sub fx {
+  return 'hello fx'
+}
+
+1;

examples/functions/Rust/README.md

@@ -0,0 +1,47 @@
+# Make a Rust function a service with fx
+
+Write a function like,
+
+```rust
+pub mod fns {
+    #[derive(Serialize)]
+    pub struct Response {
+        pub result: i32,
+    }
+
+    #[derive(Deserialize)]
+    pub struct Request {
+        pub a: i32,
+        pub b: i32,
+    }
+
+    pub fn func(req: Request) -> Response {
+        Response {
+            result: req.a + req.b,
+        }
+    }
+}
+
+```
+
+then deploy it with `fx up` command,
+
+```shell
+$ fx up -p 8080 func.rs
+```
+
+test it using `curl`
+
+```shell
+$ curl -X 'POST' --header 'Content-Type: application/json' --data '{"a":1,"b":1}' '0.0.0.0:3000'
+
+HTTP/1.1 200 OK
+Content-Length: 12
+Content-Type: application/json
+Date: Fri, 06 Dec 2019 06:45:14 GMT
+Server: Rocket
+
+{
+    "result": 2
+}
+```

fx.go

@@ -14,9 +14,10 @@ import (
 	"github.com/metrue/fx/handlers"
 	"github.com/metrue/fx/middlewares"
 	"github.com/urfave/cli"
+	_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
 )
 
-const version = "0.8.7"
+const version = "0.9.2"
 
 func init() {
 	go checkForUpdate()
@@ -158,6 +159,7 @@ func main() {
 				middlewares.LoadConfig,
 				middlewares.Provision,
 				middlewares.Parse("up"),
+				middlewares.Language(),
 				middlewares.Binding,
 				middlewares.Build,
 				handlers.Up,
@@ -178,6 +180,13 @@ func main() {
 			Name:    "list",
 			Aliases: []string{"ls"},
 			Usage:   "list deployed services",
+			Flags: []cli.Flag{
+				cli.StringFlag{
+					Name:  "format, f",
+					Value: "table",
+					Usage: "output format, 'table' and 'JSON' supported",
+				},
+			},
 			Action: handle(
 				middlewares.Parse("list"),
 				middlewares.LoadConfig,
@@ -212,6 +221,8 @@ func main() {
 					Action: handle(
 						middlewares.LoadConfig,
 						middlewares.Provision,
+						middlewares.Parse("image_build"),
+						middlewares.Language(),
 						handlers.BuildImage,
 					),
 				},
@@ -227,6 +238,8 @@ func main() {
 					Action: handle(
 						middlewares.LoadConfig,
 						middlewares.Provision,
+						middlewares.Parse("image_export"),
+						middlewares.Language(),
 						handlers.ExportImage,
 					),
 				},

go.mod

@@ -5,16 +5,18 @@ go 1.12
 require (
 	github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 // indirect
 	github.com/Microsoft/go-winio v0.4.14 // indirect
-	github.com/apex/log v1.1.1
+	github.com/apex/log v1.1.2
-	github.com/briandowns/spinner v1.7.0
+	github.com/briandowns/spinner v1.9.0
 	github.com/docker/distribution v2.7.1+incompatible // indirect
 	github.com/docker/docker v0.0.0-20190313072916-46036c230805
 	github.com/docker/go-connections v0.4.0
 	github.com/docker/go-units v0.3.3 // indirect
 	github.com/dsnet/compress v0.0.1 // indirect
 	github.com/gin-gonic/gin v1.4.0
-	github.com/gobuffalo/packr v1.30.1
+	github.com/gobuffalo/envy v1.8.1 // indirect
-	github.com/golang/mock v1.3.1
+	github.com/gobuffalo/packd v0.3.0
+	github.com/gobuffalo/packr/v2 v2.8.0
+	github.com/golang/mock v1.4.1
 	github.com/golang/snappy v0.0.1 // indirect
 	github.com/google/go-querystring v1.0.0
 	github.com/google/uuid v1.1.1
@@ -22,7 +24,7 @@ require (
 	github.com/gorilla/mux v1.7.3 // indirect
 	github.com/imdario/mergo v0.3.7 // indirect
 	github.com/logrusorgru/aurora v0.0.0-20191017060258-dc85c304c434
-	github.com/metrue/go-ssh-client v0.0.0-20191125030649-4ac058ee958b
+	github.com/metrue/go-ssh-client v0.0.0-20191219103445-1f07b67e2b29
 	github.com/mholt/archiver v3.1.1+incompatible
 	github.com/mitchellh/go-homedir v1.1.0
 	github.com/morikuni/aec v1.0.0 // indirect
@@ -30,19 +32,21 @@ require (
 	github.com/olekukonko/tablewriter v0.0.4
 	github.com/opencontainers/go-digest v1.0.0-rc1 // indirect
 	github.com/opencontainers/image-spec v1.0.1 // indirect
-	github.com/otiai10/copy v1.0.2
+	github.com/otiai10/copy v1.1.1
 	github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2
 	github.com/pierrec/lz4 v0.0.0-20190222153722-062282ea0dcf // indirect
-	github.com/pkg/errors v0.8.1
+	github.com/pkg/errors v0.9.1
-	github.com/stretchr/testify v1.4.0
+	github.com/rogpeppe/go-internal v1.5.1 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/spf13/viper v1.6.2
+	github.com/stretchr/testify v1.5.1
 	github.com/ugorji/go v1.1.7 // indirect
-	github.com/urfave/cli v1.22.2
+	github.com/urfave/cli v1.22.3
 	github.com/xi2/xz v0.0.0-20171230120015-48954b6210f8 // indirect
-	golang.org/x/sys v0.0.0-20190712062909-fae7ac547cb7 // indirect
+	golang.org/x/crypto v0.0.0-20191219195013-becbf705a915 // indirect
-	golang.org/x/time v0.0.0-20190308202827-9d24e82272b4 // indirect
+	golang.org/x/sys v0.0.0-20191223224216-5a3cf8467b4e // indirect
-	google.golang.org/grpc v1.21.0 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
-	gopkg.in/yaml.v2 v2.2.7
+	gopkg.in/yaml.v2 v2.2.7 // indirect
 	gotest.tools v2.2.0+incompatible // indirect
 	k8s.io/api v0.0.0-20190925180651-d58b53da08f5
 	k8s.io/apimachinery v0.0.0-20190925235427-62598f38f24e

go.sum

@@ -1,5 +1,6 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.38.0 h1:ROfEUZz+Gh5pa62DJWXSaonyu3StP6EA6lPEXPI6mCo=
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
 github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 h1:w+iIsaOQNcT7OZ575w+acHgRric5iCyQh+xv+KJ4HB8=
 github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
@@ -15,30 +16,42 @@ github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03
 github.com/Microsoft/go-winio v0.4.14 h1:+hMXMk01us9KgxGb7ftKQt2Xpf5hH/yky+TDA+qxleU=
 github.com/Microsoft/go-winio v0.4.14/go.mod h1:qXqCSQ3Xa7+6tgxaGTIe4Kpcdsi+P8jBhyzoq1bpyYA=
 github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
+github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/PuerkitoBio/purell v1.0.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
 github.com/PuerkitoBio/urlesc v0.0.0-20160726150825-5bd2802263f2/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
-github.com/apex/log v1.1.1 h1:BwhRZ0qbjYtTob0I+2M+smavV0kOC8XgcnGZcyL9liA=
+github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/apex/log v1.1.1/go.mod h1:Ls949n1HFtXfbDcjiTTFQqkVUrte0puoIBfO3SVgwOA=
+github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/apex/log v1.1.2 h1:bnDuVoi+o98wOdVqfEzNDlY0tcmBia7r4YkjS9EqGYk=
+github.com/apex/log v1.1.2/go.mod h1:SyfRweFO+TlkIJ3DVizTSeI1xk7jOIIqOnUPZQTTsww=
+github.com/apex/logs v0.0.3/go.mod h1:XzxuLZ5myVHDy9SAmYpamKKRNApGj54PfYLcFrXqDwo=
 github.com/aphistic/golf v0.0.0-20180712155816-02c07f170c5a/go.mod h1:3NqKYiepwy8kCu4PNA+aP7WUV72eXWJeP9/r3/K9aLE=
 github.com/aphistic/sweet v0.2.0/go.mod h1:fWDlIh/isSE9n6EPsRmC0det+whmX6dJid3stzu0Xys=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/aws/aws-sdk-go v1.20.6/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
 github.com/aybabtme/rgbterm v0.0.0-20170906152045-cc83f3b3ce59/go.mod h1:q/89r3U2H7sSsE2t6Kca0lfwTK8JdoNGS/yzM/4iH5I=
-github.com/briandowns/spinner v1.7.0 h1:aan1hBBOoscry2TXAkgtxkJiq7Se0+9pt+TUWaPrB4g=
+github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
-github.com/briandowns/spinner v1.7.0/go.mod h1://Zf9tMcxfRUA36V23M6YGEAv+kECGfvpnLTnb8n4XQ=
+github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
+github.com/briandowns/spinner v1.9.0 h1:+OMAisemaHar1hjuJ3Z2hIvNhQl9Y7GLPWUwwz2Pxo8=
+github.com/briandowns/spinner v1.9.0/go.mod h1://Zf9tMcxfRUA36V23M6YGEAv+kECGfvpnLTnb8n4XQ=
+github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
+github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/cpuguy83/go-md2man v1.0.10 h1:BSKMNlYxDvnunlTymqtgONjNnaRV1sTpcovwwjF22jk=
 github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d h1:U+s90UTSYgptZMwQh2aRr3LuazLJIa+Pg3Kc1ylSYVY=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
+github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/davecgh/go-spew v0.0.0-20151105211317-5215b55f46b2/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
+github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
 github.com/docker/distribution v2.7.1+incompatible h1:a5mlkVzth6W5A4fOsS3D2EO5BUmsJpcB+cRlLU7cSug=
 github.com/docker/distribution v2.7.1+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w=
 github.com/docker/docker v0.0.0-20190313072916-46036c230805 h1:Imk7y5LY4ljn+DhwaPVj9d8kvAxiZw8DQGwNmivIom0=
@@ -61,33 +74,50 @@ github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5Kwzbycv
 github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
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@@ -96,6 +126,7 @@ github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5y
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@@ -113,9 +144,15 @@ github.com/googleapis/gnostic v0.0.0-20170729233727-0c5108395e2d/go.mod h1:sJBsC
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@@ -124,18 +161,26 @@ github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpO
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@@ -151,8 +196,17 @@ github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
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+go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
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 golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190211182817-74369b46fc67/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
@@ -282,24 +385,33 @@ golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8U
 golang.org/x/crypto v0.0.0-20190621222207-cc06ce4a13d4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4 h1:HuIa8hRrWRSrqYzx1qI49NNxhdi2PrY7gxVSq1JjLDc=
 golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
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@@ -311,10 +423,13 @@ golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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@@ -324,9 +439,10 @@ golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -334,6 +450,7 @@ golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
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@@ -341,9 +458,15 @@ golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGm
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@@ -356,6 +479,7 @@ google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7/go.mod h1:VzzqZJRn
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.21.0 h1:G+97AoqBnmZIT91cLG/EkCoK9NSelj64P8bOHHNmGn0=
 google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
+gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
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@@ -369,7 +493,11 @@ gopkg.in/inf.v0 v0.9.0 h1:3zYtXIO92bvsdS3ggAdA8Gb4Azj0YU+TVY1uGYNFA8o=
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+gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
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 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
@@ -398,6 +526,10 @@ k8s.io/kube-openapi v0.0.0-20190816220812-743ec37842bf/go.mod h1:1TqjTSzOxsLGIKf
 k8s.io/utils v0.0.0-20190920012459-5008bf6f8cd6/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew=
 k8s.io/utils v0.0.0-20190923111123-69764acb6e8e h1:BXSmdH6S3YGLlhC89DZp+sNdYSmwNeDU6Xu5ZpzGOlM=
 k8s.io/utils v0.0.0-20190923111123-69764acb6e8e/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew=
+rsc.io/quote/v3 v3.1.0 h1:9JKUTTIUgS6kzR9mK1YuGKv6Nl+DijDNIc0ghT58FaY=
+rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
+rsc.io/sampler v1.3.0 h1:7uVkIFmeBqHfdjD+gZwtXXI+RODJ2Wc4O7MPEh/QiW4=
+rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
 sigs.k8s.io/structured-merge-diff v0.0.0-20190525122527-15d366b2352e/go.mod h1:wWxsB5ozmmv/SG7nM11ayaAW51xMvak/t1r0CSlcokI=
 sigs.k8s.io/yaml v1.1.0 h1:4A07+ZFc2wgJwo8YNlQpr1rVlgUDlxXHhPJciaPY5gs=
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=

handlers/image.go

@@ -2,80 +2,64 @@ package handlers
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"time"
 
 	"github.com/apex/log"
-	"github.com/google/uuid"
+	"github.com/metrue/fx/bundle"
 	"github.com/metrue/fx/constants"
 	containerruntimes "github.com/metrue/fx/container_runtimes"
 	"github.com/metrue/fx/context"
-	"github.com/metrue/fx/packer"
+	"github.com/metrue/fx/hook"
-	"github.com/metrue/fx/types"
+	"github.com/metrue/fx/pkg/spinner"
-	"github.com/metrue/fx/utils"
-	"github.com/pkg/errors"
 )
 
 // BuildImage build image
-func BuildImage(ctx context.Contexter) error {
+func BuildImage(ctx context.Contexter) (err error) {
-	cli := ctx.GetCliContext()
+	spinner.Start("building")
-	funcFile := cli.Args().First()
+	defer func() {
-	tag := cli.String("tag")
+		spinner.Stop("building", err)
-	if tag == "" {
+	}()
-		tag = uuid.New().String()
-	}
-
 	workdir := fmt.Sprintf("/tmp/fx-%d", time.Now().Unix())
 	defer os.RemoveAll(workdir)
 
-	body, err := ioutil.ReadFile(funcFile)
+	fn := ctx.Get("fn").(string)
-	if err != nil {
+	deps := ctx.Get("deps").([]string)
-		log.Fatalf("function code load failed: %v", err)
+	language := ctx.Get("language").(string)
-		return err
-	}
-	log.Infof("function code loaded: %v", constants.CheckedSymbol)
-	lang := utils.GetLangFromFileName(funcFile)
 
-	fn := types.Func{Language: lang, Source: string(body)}
+	if err := bundle.Bundle(workdir, language, fn, deps...); err != nil {
-
-	if err := packer.PackIntoDir(fn, workdir); err != nil {
-		log.Fatalf("could not pack function %v: %v", fn, err)
 		return err
 	}
 
-	docker, ok := ctx.Get("docker").(containerruntimes.ContainerRuntime)
+	if err := hook.RunBeforeBuildHook(workdir); err != nil {
-	if ok {
+		return err
-		nameWithTag := tag + ":latest"
-		if err := docker.BuildImage(ctx.GetContext(), workdir, nameWithTag); err != nil {
-			return err
-		}
-		log.Infof("image built: %v", constants.CheckedSymbol)
-		return nil
 	}
-	return fmt.Errorf("no available docker cli")
+
+	docker := ctx.Get("docker").(containerruntimes.ContainerRuntime)
+	nameWithTag := ctx.Get("tag").(string) + ":latest"
+	if err := docker.BuildImage(ctx.GetContext(), workdir, nameWithTag); err != nil {
+		return err
+	}
+	log.Infof("image built: %s %v", nameWithTag, constants.CheckedSymbol)
+	return nil
 }
 
 // ExportImage export service's code into a directory
 func ExportImage(ctx context.Contexter) (err error) {
-	cli := ctx.GetCliContext()
+	outputDir := ctx.Get("output").(string)
-	funcFile := cli.Args().First()
+	fn := ctx.Get("fn").(string)
-	outputDir := cli.String("output")
+	deps := ctx.Get("deps").([]string)
-	if outputDir == "" {
-		log.Fatalf("output directory required")
-		return nil
-	}
 
-	body, err := ioutil.ReadFile(funcFile)
+	language := ctx.Get("language").(string)
-	if err != nil {
-		return errors.Wrap(err, "read source failed")
-	}
-	lang := utils.GetLangFromFileName(funcFile)
 
-	if err := packer.PackIntoDir(types.Func{Language: lang, Source: string(body)}, outputDir); err != nil {
+	if err := bundle.Bundle(outputDir, language, fn, deps...); err != nil {
-		log.Fatalf("write source code to file failed: %v", constants.UncheckedSymbol)
 		return err
 	}
+
+	if err := hook.RunBeforeBuildHook(outputDir); err != nil {
+		return err
+	}
+
 	log.Infof("exported to %v: %v", outputDir, constants.CheckedSymbol)
 	return nil
 }

handlers/infra.go

@@ -2,53 +2,65 @@ package handlers
 
 import (
 	"fmt"
+	"path/filepath"
 	"strings"
 
 	"github.com/metrue/fx/config"
 	"github.com/metrue/fx/context"
 	dockerInfra "github.com/metrue/fx/infra/docker"
-	"github.com/metrue/fx/infra/k8s"
+	k8sInfra "github.com/metrue/fx/infra/k8s"
 	"github.com/metrue/fx/pkg/spinner"
 )
 
-func setupK8S(masterInfo string, agentsInfo string) ([]byte, error) {
+func setupK8S(configDir string, name, masterInfo string, agentsInfo string) ([]byte, error) {
 	info := strings.Split(masterInfo, "@")
 	if len(info) != 2 {
 		return nil, fmt.Errorf("incorrect master info, should be <user>@<ip> format")
 	}
-	master := k8s.MasterNode{
+	master, err := k8sInfra.CreateNode(info[1], info[0], "k3s_master", "master")
-		User: info[0],
+	if err != nil {
-		IP:   info[1],
+		return nil, err
 	}
-	agents := []k8s.AgentNode{}
+	nodes := []k8sInfra.Noder{master}
 	if agentsInfo != "" {
 		agentsInfoList := strings.Split(agentsInfo, ",")
-		for _, agent := range agentsInfoList {
+		for idx, agent := range agentsInfoList {
 			info := strings.Split(agent, "@")
 			if len(info) != 2 {
 				return nil, fmt.Errorf("incorrect agent info, should be <user>@<ip> format")
 			}
-			agents = append(agents, k8s.AgentNode{
+			node, err := k8sInfra.CreateNode(info[1], info[0], "k3s_agent", fmt.Sprintf("agent-%d", idx))
-				User: info[0],
+			if err != nil {
-				IP:   info[1],
+				return nil, err
-			})
+			}
+
+			nodes = append(nodes, node)
 		}
 	}
-
+	kubeconfigPath := filepath.Join(configDir, name+".kubeconfig")
-	fmt.Println(master, agents, len(agents))
+	cloud := k8sInfra.NewCloud(kubeconfigPath, nodes...)
-	k8sOperator := k8s.New(master, agents)
+	if err := cloud.Provision(); err != nil {
-	return k8sOperator.Provision()
+		return nil, err
+	}
+	return cloud.Dump()
 }
 
-func setupDocker(hostInfo string) ([]byte, error) {
+func setupDocker(hostInfo string, name string) ([]byte, error) {
 	info := strings.Split(hostInfo, "@")
 	if len(info) != 2 {
 		return nil, fmt.Errorf("incorrect master info, should be <user>@<ip> format")
 	}
-	user := info[1]
+	user := info[0]
-	host := info[0]
+	host := info[1]
-	dockr := dockerInfra.CreateProvisioner(user, host)
+
-	return dockr.Provision()
+	cloud, err := dockerInfra.Create(host, user, name)
+	if err != nil {
+		return nil, err
+	}
+	if err := cloud.Provision(); err != nil {
+		return nil, err
+	}
+	return cloud.Dump()
 }
 
 // Setup infra
@@ -81,17 +93,21 @@ func Setup(ctx context.Contexter) (err error) {
 
 	switch strings.ToLower(typ) {
 	case "k8s":
-		kubeconf, err := setupK8S(cli.String("master"), cli.String("agents"))
+		dir, err := fxConfig.Dir()
 		if err != nil {
 			return err
 		}
-		return fxConfig.AddK8SCloud(name, kubeconf)
+		kubeconf, err := setupK8S(dir, name, cli.String("master"), cli.String("agents"))
+		if err != nil {
+			return err
+		}
+		return fxConfig.AddCloud(name, kubeconf)
 	case "docker":
-		config, err := setupDocker(cli.String("host"))
+		config, err := setupDocker(cli.String("host"), name)
 		if err != nil {
 			return err
 		}
-		return fxConfig.AddDockerCloud(name, config)
+		return fxConfig.AddCloud(name, config)
 	}
 	return nil
 }

handlers/list.go

@@ -3,19 +3,19 @@ package handlers
 import (
 	"github.com/metrue/fx/context"
 	"github.com/metrue/fx/infra"
-	"github.com/metrue/fx/pkg/render"
+	"github.com/metrue/fx/pkg/renderrer"
 )
 
 // List command handle
 func List(ctx context.Contexter) (err error) {
 	cli := ctx.GetCliContext()
 	deployer := ctx.Get("deployer").(infra.Deployer)
+	format := ctx.Get("format").(string)
 
 	services, err := deployer.List(ctx.GetContext(), cli.Args().First())
 	if err != nil {
 		return err
 	}
 
-	render.Table(services)
+	return renderrer.Render(services, format)
-	return nil
 }

handlers/up.go

@@ -1,19 +1,32 @@
 package handlers
 
 import (
+	"github.com/apex/log"
 	"github.com/metrue/fx/context"
 	"github.com/metrue/fx/infra"
-	"github.com/metrue/fx/pkg/render"
+	"github.com/metrue/fx/pkg/renderrer"
 	"github.com/metrue/fx/types"
 )
 
 // Up command handle
 func Up(ctx context.Contexter) (err error) {
-	fn := ctx.Get("data").(string)
+	fn, ok := ctx.Get("data").(string)
-	image := ctx.Get("image").(string)
+	if !ok {
+		fn = ""
+	}
+	image, ok := ctx.Get("image").(string)
+	if !ok {
+		image = ""
+	}
 	name := ctx.Get("name").(string)
 	deployer := ctx.Get("deployer").(infra.Deployer)
 	bindings := ctx.Get("bindings").([]types.PortBinding)
+	force := ctx.Get("force").(bool)
+	if force && name != "" {
+		if err := deployer.Destroy(ctx.GetContext(), name); err != nil {
+			log.Warnf("destroy service %s failed: %v", name, err)
+		}
+	}
 
 	if err := deployer.Deploy(
 		ctx.GetContext(),
@@ -29,6 +42,5 @@ func Up(ctx context.Contexter) (err error) {
 	if err != nil {
 		return err
 	}
-	render.Table([]types.Service{service})
+	return renderrer.Render([]types.Service{service}, "table")
-	return nil
 }

handlers/up_test.go

@@ -11,30 +11,64 @@ import (
 )
 
 func TestUp(t *testing.T) {
-	ctrl := gomock.NewController(t)
+	t.Run("normally up", func(t *testing.T) {
-	defer ctrl.Finish()
+		ctrl := gomock.NewController(t)
+		defer ctrl.Finish()
 
-	ctx := mockCtx.NewMockContexter(ctrl)
+		ctx := mockCtx.NewMockContexter(ctrl)
-	deployer := mockDeployer.NewMockDeployer(ctrl)
+		deployer := mockDeployer.NewMockDeployer(ctrl)
 
-	bindings := []types.PortBinding{}
+		bindings := []types.PortBinding{}
-	name := "sample-name"
+		name := "sample-name"
-	image := "sample-image"
+		image := "sample-image"
-	data := "sample-data"
+		data := "sample-data"
-	ctx.EXPECT().Get("name").Return(name)
+		ctx.EXPECT().Get("name").Return(name)
-	ctx.EXPECT().Get("image").Return(image)
+		ctx.EXPECT().Get("image").Return(image)
-	ctx.EXPECT().Get("deployer").Return(deployer)
+		ctx.EXPECT().Get("deployer").Return(deployer)
-	ctx.EXPECT().Get("bindings").Return(bindings)
+		ctx.EXPECT().Get("bindings").Return(bindings)
-	ctx.EXPECT().Get("data").Return(data)
+		ctx.EXPECT().Get("data").Return(data)
-	ctx.EXPECT().GetContext().Return(context.Background()).Times(2)
+		ctx.EXPECT().Get("force").Return(false)
-	deployer.EXPECT().Deploy(gomock.Any(), data, name, image, bindings).Return(nil)
+		ctx.EXPECT().GetContext().Return(context.Background()).Times(2)
-	deployer.EXPECT().GetStatus(gomock.Any(), name).Return(types.Service{
+		deployer.EXPECT().Deploy(gomock.Any(), data, name, image, bindings).Return(nil)
-		ID:   "id-1",
+		deployer.EXPECT().GetStatus(gomock.Any(), name).Return(types.Service{
-		Name: name,
+			ID:   "id-1",
-		Host: "127.0.0.1",
+			Name: name,
-		Port: 2100,
+			Host: "127.0.0.1",
-	}, nil)
+			Port: 2100,
-	if err := Up(ctx); err != nil {
+		}, nil)
-		t.Fatal(err)
+		if err := Up(ctx); err != nil {
-	}
+			t.Fatal(err)
+		}
+	})
+
+	t.Run("normally up forcely", func(t *testing.T) {
+		ctrl := gomock.NewController(t)
+		defer ctrl.Finish()
+
+		ctx := mockCtx.NewMockContexter(ctrl)
+		deployer := mockDeployer.NewMockDeployer(ctrl)
+
+		bindings := []types.PortBinding{}
+		name := "sample-name"
+		image := "sample-image"
+		data := "sample-data"
+		ctx.EXPECT().Get("name").Return(name)
+		ctx.EXPECT().Get("image").Return(image)
+		ctx.EXPECT().Get("deployer").Return(deployer)
+		ctx.EXPECT().Get("bindings").Return(bindings)
+		ctx.EXPECT().Get("data").Return(data)
+		ctx.EXPECT().Get("force").Return(true)
+		ctx.EXPECT().GetContext().Return(context.Background()).Times(3)
+		deployer.EXPECT().Deploy(gomock.Any(), data, name, image, bindings).Return(nil)
+		deployer.EXPECT().Destroy(gomock.Any(), name).Return(nil)
+		deployer.EXPECT().GetStatus(gomock.Any(), name).Return(types.Service{
+			ID:   "id-1",
+			Name: name,
+			Host: "127.0.0.1",
+			Port: 2100,
+		}, nil)
+		if err := Up(ctx); err != nil {
+			t.Fatal(err)
+		}
+	})
 }

handlers/use_infra.go

@@ -9,5 +9,5 @@ import (
 func UseInfra(ctx context.Contexter) error {
 	fxConfig := ctx.Get("config").(*config.Config)
 	cli := ctx.GetCliContext()
-	return fxConfig.Use(cli.Args().First())
+	return fxConfig.UseCloud(cli.Args().First())
 }

hook/.hooks/before_build

@@ -0,0 +1 @@
+npm install

hook/fixture/package.json

@@ -0,0 +1,15 @@
+{
+  "name": "fixture",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "leftpad": "0.0.1"
+  }
+}

hook/hook.go

@@ -0,0 +1,73 @@
+package hook
+
+import (
+	"io/ioutil"
+	"os"
+	"os/exec"
+	"path/filepath"
+
+	"github.com/metrue/fx/utils"
+)
+
+// Hooker defines hook interface
+type Hooker interface {
+	Run() error
+}
+
+// Hook to run
+type Hook struct {
+	name   string
+	script string
+}
+
+// New a hook
+func New(name string, script string, workdir string) *Hook {
+	return &Hook{
+		name:   name,
+		script: script,
+	}
+}
+
+// Run execute a hook
+func (h *Hook) Run(workdir string) error {
+	var script string
+	if !utils.IsRegularFile(h.script) {
+		hookScript, err := ioutil.TempFile(os.TempDir(), "fx-hook-script-")
+		if err != nil {
+			return err
+		}
+		defer os.Remove(hookScript.Name())
+
+		content := []byte(h.script)
+		if _, err = hookScript.Write(content); err != nil {
+			return err
+		}
+		if err := hookScript.Close(); err != nil {
+			return err
+		}
+		script = hookScript.Name()
+	} else {
+		absScript, err := filepath.Abs(h.script)
+		if err != nil {
+			return err
+		}
+		script = absScript
+	}
+
+	cmd := exec.Command("/bin/sh", script)
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	if workdir != "" {
+		cmd.Dir = workdir
+	}
+
+	if err := cmd.Run(); err != nil {
+		return err
+	}
+	return nil
+}
+
+// Name hook name
+func (h *Hook) Name() string {
+	return h.name
+}

hook/hook_manager.go

@@ -0,0 +1,54 @@
+package hook
+
+import (
+	"os"
+	"path/filepath"
+
+	"github.com/metrue/fx/utils"
+)
+
+// HookNameBeforeBuild before build hook
+const HookNameBeforeBuild = "before_build"
+
+// RunBeforeBuildHook trigger before_build hook
+func RunBeforeBuildHook(workdir string) error {
+	hooks, err := descovery("")
+	if err != nil {
+		return err
+	}
+	for _, h := range hooks {
+		if h.Name() == HookNameBeforeBuild {
+			if err := h.Run(workdir); err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}
+
+func descovery(hookdir string) ([]*Hook, error) {
+	if hookdir == "" {
+		dir, err := os.Getwd()
+		if err != nil {
+			return nil, err
+		}
+		hookdir = filepath.Join(dir, ".hooks")
+	}
+
+	hooks := []*Hook{}
+	if !utils.IsDir(hookdir) {
+		return hooks, nil
+	}
+	if err := filepath.Walk(hookdir, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+		if info.Name() == HookNameBeforeBuild {
+			hooks = append(hooks, New("before_build", path, ""))
+		}
+		return nil
+	}); err != nil {
+		return nil, err
+	}
+	return hooks, nil
+}

hook/hook_manager_test.go

@@ -0,0 +1,40 @@
+package hook
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func TestHookManager(t *testing.T) {
+	t.Run("descovery in default hookdir .hooks", func(t *testing.T) {
+		hooks, err := descovery("")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if len(hooks) != 1 {
+			t.Fatalf("should have one hook, but got %d", len(hooks))
+		}
+
+		if hooks[0].Name() != HookNameBeforeBuild {
+			t.Fatalf("should be before_build hook, but got %s", hooks[0].Name())
+		}
+	})
+
+	t.Run("descovery in empty hookdir", func(t *testing.T) {
+		hooks, err := descovery(filepath.Join(os.TempDir(), ".hooks"))
+		if err != nil {
+			t.Fatal(err)
+		}
+		if len(hooks) != 0 {
+			t.Fatalf("should get 0 hooks, but got %d", len(hooks))
+		}
+	})
+
+	t.Run("run before_build hook", func(t *testing.T) {
+		if err := RunBeforeBuildHook("fixture"); err != nil {
+			t.Fatal(err)
+		}
+	})
+}