Configurable auto remove (#440 )

* enable autoremove to be configurable * bump version
Add not fetch fx node bas (#439 )
2019-12-31 14:29:01 +08:00 · 2019-12-31 13:34:48 +08:00 · 2019-12-27 23:08:51 +08:00 · 2019-12-26 20:40:57 +08:00 · 2019-12-26 20:38:50 +08:00 · 2019-12-26 18:47:11 +08:00
32 changed files with 397 additions and 114 deletions
--- a/.github/workflows/docker.yml
+++ b/.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
-      #   run: |
-      #     docker build -t metrue/fx-go-base:latest -f ./assets/dockerfiles/base/java/Dockerfile ./assets/dockerfiles/base/java
-      #     docker push metrue/fx-java-base:latest
+      - name: build and publish fx go image
+        run: |
+          docker build -t metrue/fx-go-base:latest -f ./assets/dockerfiles/base/go/Dockerfile ./assets/dockerfiles/base/go
+          docker push metrue/fx-go-base:latest

      - name: build and publish fx node image
        if: always()
--- a/.goreleaser.yml
+++ b/.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
--- a/2
+++ b/2
@@ -32,7 +32,7 @@ cli-test-ci:
 	./scripts/test_cli.sh 'js'

 cli-test:
-	./scripts/test_cli.sh 'js rb py go php java d rs'
+	./scripts/test_cli.sh 'js rb py go php java d rs pl'

 http-test:
 	./scripts/http_test.sh
--- a/README.md
+++ b/README.md
@@ -4,6 +4,7 @@ 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)
@@ -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
@@ -204,8 +206,26 @@ 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)
-  TODO
+* Google Kubernetes Engine (GKE)
+
+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

--- a/assets/dockerfiles/base/go/Dockerfile
+++ b/assets/dockerfiles/base/go/Dockerfile
@@ -0,0 +1,4 @@
+FROM golang:latest
+
+# dependency management
+RUN go get github.com/gin-gonic/gin
--- a/assets/dockerfiles/base/node/package-lock.json
+++ b/assets/dockerfiles/base/node/package-lock.json
@@ -0,0 +1,13 @@
+{
+  "name": "aok",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "node-fetch": {
+      "version": "2.6.0",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.0.tgz",
+      "integrity": "sha512-8dG4H5ujfvFiqDmVu9fQ5bOHUC15JMjMY/Zumv26oOvvVJjM67KF8koCWIabKQ1GJIa9r2mMZscBq/TbdOcmNA=="
+    }
+  }
+}
--- a/assets/dockerfiles/base/node/package.json
+++ b/assets/dockerfiles/base/node/package.json
@@ -1,5 +1,5 @@
 {
-  "name": "aok",
+  "name": "fx-node-base",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
@@ -13,9 +13,7 @@
    "get-port": "^3.2.0",
    "is-generator-function": "^1.0.6",
    "koa": "^2.3.0",
-    "koa-bodyparser": "^4.2.0"
-  },
-  "devDependencies": {
-    "get-port-cli": "^1.1.0"
+    "koa-bodyparser": "^4.2.0",
+    "node-fetch": "^2.6.0"
  }
 }
--- a/assets/dockerfiles/base/perl/Dockerfile
+++ b/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
--- a/assets/dockerfiles/base/perl/cpanfile
+++ b/assets/dockerfiles/base/perl/cpanfile
@@ -0,0 +1,2 @@
+requires "EV";
+requires "Mojolicious::Lite";
--- a/assets/dockerfiles/base/ruby/Dockerfile
+++ b/assets/dockerfiles/base/ruby/Dockerfile
@@ -0,0 +1,3 @@
+FROM ruby:latest
+
+RUN gem install sinatra
--- a/config/env.go
+++ b/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
+	}
+}
--- a/config/env_test.go
+++ b/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")
+	}
+}
--- a/container_runtimes/docker/http/api.go
+++ b/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"
@@ -227,17 +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{
-				Name:  container.Names[0],
-				Image: container.Image,
-				ID:    container.ID,
-				Host:  container.Ports[0].IP,
-				Port:  int(container.Ports[0].PublicPort),
-				State: container.State,
-			}
+		svs[container.Image] = types.Service{
+			Name:  name,
+			Image: container.Image,
+			ID:    container.ID,
+			Host:  ip,
+			Port:  port,
+			State: container.State,
 		}
 	}
 	services := []types.Service{}
@@ -392,7 +403,7 @@ func (api *API) StartContainer(ctx context.Context, name string, image string, b
 	}

 	hostConfig := &dockerTypesContainer.HostConfig{
-		AutoRemove:   true,
+		AutoRemove:   !fxConfig.DisableContainerAutoremove,
 		PortBindings: portMap,
 	}

--- a/container_runtimes/docker/sdk/docker.go
+++ b/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)
--- a/examples/functions/Perl/README.md
+++ b/examples/functions/Perl/README.md
@@ -0,0 +1,36 @@
+# Make a Perl function a service with fx
+
+Write a function like,
+
+```perl
+sub fx {
+  my $ctx = shift;
+  return 'hello fx'
+}
+
+1;
+```
+
+then deploy it with `fx up` command,
+
+```shell
+$ fx up -p 8080:3000 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
+```
+
+### ctx
+
+The `ctx` object is exactly the [Controller](https://mojolicious.org/perldoc/Mojolicious/Controller) of [Mojolicious](https://mojolicious.org/perldoc/Mojolicious) framework.
--- a/examples/functions/Perl/func.pl
+++ b/examples/functions/Perl/func.pl
@@ -0,0 +1,6 @@
+sub fx {
+  my $ctx = shift;
+  return 'hello fx'
+}
+
+1;
--- a/fx.go
+++ b/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 = "0.8.75"
+const version = "0.8.86"

 func init() {
 	go checkForUpdate()
--- a/go.mod
+++ b/go.mod
@@ -13,6 +13,7 @@ require (
 	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/envy v1.8.1 // indirect
 	github.com/gobuffalo/packr v1.30.1
 	github.com/golang/mock v1.3.1
 	github.com/golang/snappy v0.0.1 // indirect
@@ -22,7 +23,7 @@ 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 v0.0.0-20191209160027-5773243a8bc9
+	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
@@ -34,14 +35,17 @@ require (
 	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/rogpeppe/go-internal v1.5.1 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/spf13/viper v1.6.1
 	github.com/stretchr/testify v1.4.0
 	github.com/ugorji/go v1.1.7 // indirect
 	github.com/urfave/cli v1.22.2
 	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/sys v0.0.0-20191223224216-5a3cf8467b4e // 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
--- a/go.sum
+++ b/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=
@@ -87,11 +88,15 @@ github.com/go-openapi/swag v0.0.0-20160704191624-1d0bd113de87/go.mod h1:DXUve3Dp
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
 github.com/gobuffalo/envy v1.7.0 h1:GlXgaiBkmrYMHco6t4j7SacKO4XUjvh5pwXh0f4uxXU=
 github.com/gobuffalo/envy v1.7.0/go.mod h1:n7DRkBerg/aorDM8kbduw5dN3oXGswK5liaSCx4T5NI=
+github.com/gobuffalo/envy v1.8.1 h1:RUr68liRvs0TS1D5qdW3mQv2SjAsu1QWMCx1tG4kDjs=
+github.com/gobuffalo/envy v1.8.1/go.mod h1:FurDp9+EDPE4aIUS3ZLyD+7/9fpx7YRt/ukY6jIHf0w=
+github.com/gobuffalo/logger v1.0.0 h1:xw9Ko9EcC5iAFprrjJ6oZco9UpzS5MQ4jAwghsLHdy4=
 github.com/gobuffalo/logger v1.0.0/go.mod h1:2zbswyIUa45I+c+FLXuWl9zSWEiVuthsk8ze5s8JvPs=
 github.com/gobuffalo/packd v0.3.0 h1:eMwymTkA1uXsqxS0Tpoop3Lc0u3kTfiMBE6nKtQU4g4=
 github.com/gobuffalo/packd v0.3.0/go.mod h1:zC7QkmNkYVGKPw4tHpBQ+ml7W/3tIebgeo1b36chA3Q=
 github.com/gobuffalo/packr v1.30.1 h1:hu1fuVR3fXEZR7rXNW3h8rqSML8EVAf6KNm0NKO/wKg=
 github.com/gobuffalo/packr v1.30.1/go.mod h1:ljMyFO2EcrnzsHsN99cvbq055Y9OhRrIaviy289eRuk=
+github.com/gobuffalo/packr/v2 v2.5.1 h1:TFOeY2VoGamPjQLiNDT3mn//ytzk236VMO2j7iHxJR4=
 github.com/gobuffalo/packr/v2 v2.5.1/go.mod h1:8f9c96ITobJlPzI44jj+4tHnEKNt0xXWSVlXRN9X1Iw=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
@@ -131,6 +136,7 @@ github.com/googleapis/gnostic v0.0.0-20170729233727-0c5108395e2d/go.mod h1:sJBsC
 github.com/googleapis/gnostic v0.3.1 h1:WeAefnSUHlBb0iJKwxFDZdbfGwkd7xRNuV+IpXMJhYk=
 github.com/googleapis/gnostic v0.3.1/go.mod h1:on+2t9HRStVgn95RSsFWFz+6Q0Snyqv1awfrALZdbtU=
 github.com/gophercloud/gophercloud v0.1.0/go.mod h1:vxM41WHh5uqHVBMZHzuwNOHh8XEoIEcSTewFxm1c5g8=
+github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/gorilla/mux v1.7.3 h1:gnP5JzjVOuiZD07fKKToCAOjS0yOpj/qPETTXCCS6hw=
 github.com/gorilla/mux v1.7.3/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
@@ -147,6 +153,7 @@ github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpO
 github.com/imdario/mergo v0.3.5/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
 github.com/imdario/mergo v0.3.7 h1:Y+UAYTZ7gDEuOfhxKWy+dvb5dRQ6rJjFSdX2HZY1/gI=
 github.com/imdario/mergo v0.3.7/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
+github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
 github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
 github.com/joho/godotenv v1.3.0 h1:Zjp+RcGpHhGlrMbJzXTrZZPrWj+1vfm90La1wgB6Bhc=
@@ -158,6 +165,7 @@ github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCV
 github.com/json-iterator/go v1.1.7 h1:KfgG9LzI+pYjr4xvmz/5H4FXjokeP+rlHLhv3iH62Fo=
 github.com/json-iterator/go v1.1.7/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
+github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
 github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
 github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
 github.com/karrick/godirwalk v1.10.12 h1:BqUm+LuJcXjGv1d2mj3gBiQyrQ57a0rYoAmhvJQ7RDU=
@@ -191,15 +199,11 @@ github.com/mattn/go-isatty v0.0.7 h1:UvyT9uN+3r7yLEYSlJsbQGdsaB/a0DlgWP3pql6iwOc
 github.com/mattn/go-isatty v0.0.7/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
 github.com/mattn/go-isatty v0.0.8 h1:HLtExJ+uU2HOZ+wI0Tt5DtUDrx8yhUqDcp7fYERX4CE=
 github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
-github.com/mattn/go-runewidth v0.0.6 h1:V2iyH+aX9C5fsYCpK60U8BYIvmhqxuOL3JZcqc1NB7k=
-github.com/mattn/go-runewidth v0.0.6/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
 github.com/mattn/go-runewidth v0.0.7 h1:Ei8KR0497xHyKJPAv59M1dkC+rOZCMBJ+t3fZ+twI54=
 github.com/mattn/go-runewidth v0.0.7/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
-github.com/metrue/go-ssh-client v0.0.0-20191125030649-4ac058ee958b h1:JGD0sJ44XzhsT1voOg00zji4ubuMNcVNK3m7d9GI88k=
-github.com/metrue/go-ssh-client v0.0.0-20191125030649-4ac058ee958b/go.mod h1:ERHOEBrDy6+8vfoJjjmhdmBpOzdvvP7bLtwYTTK6LOs=
-github.com/metrue/go-ssh-client v0.0.0-20191209160027-5773243a8bc9 h1:HHfMhG77ZLn3FOH3AGXW/F5RpAABVH6Fr5mVZZ97S6w=
-github.com/metrue/go-ssh-client v0.0.0-20191209160027-5773243a8bc9/go.mod h1:aPG/JtXTyLliKDDlkv+nzHbSbz2p2CBMAjNJRK4uhzY=
+github.com/metrue/go-ssh-client v0.0.0-20191219103445-1f07b67e2b29 h1:ENoMPMVc24XbBuVZ7guZmTB/7MSd+vqOkImSu9UUiJw=
+github.com/metrue/go-ssh-client v0.0.0-20191219103445-1f07b67e2b29/go.mod h1:aPG/JtXTyLliKDDlkv+nzHbSbz2p2CBMAjNJRK4uhzY=
 github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b/go.mod h1:01TrycV0kFyexm33Z7vhZRXopbI8J3TDReVlkTgMUxE=
 github.com/mholt/archiver v3.1.1+incompatible h1:1dCVxuqs0dJseYEhi5pl7MYPH9zDa1wBi7mF09cbNkU=
 github.com/mholt/archiver v3.1.1+incompatible/go.mod h1:Dh2dOXnSdiLxRiPoVfIr/fI1TwETms9B8CTWfeh7ROU=
@@ -222,8 +226,6 @@ github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f/go.mod h1:ZdcZmHo+
 github.com/nwaples/rardecode v1.0.0 h1:r7vGuS5akxOnR4JQSkko62RJ1ReCMXxQRPtxsiFMBOs=
 github.com/nwaples/rardecode v1.0.0/go.mod h1:5DzqNKiOdpKKBH87u8VlvAnPZMXcGRhxWkRpHbbfGS0=
 github.com/oklog/ulid v1.3.1/go.mod h1:CirwcVhetQ6Lv90oh/F+FBtV6XMibvdAFo93nm5qn4U=
-github.com/olekukonko/tablewriter v0.0.3 h1:i0LBnzgiChAWHJYTQAZJDOgf8MNxAVYZJ2m63SIDimI=
-github.com/olekukonko/tablewriter v0.0.3/go.mod h1:YZeBtGzYYEsCHp2LST/u/0NDwGkRoBtmn1cIWCJiS6M=
 github.com/olekukonko/tablewriter v0.0.4 h1:vHD/YYe1Wolo78koG299f7V/VAS08c6IpCLn+Ejf/w8=
 github.com/olekukonko/tablewriter v0.0.4/go.mod h1:zq6QwlOf5SlnkVbMSr5EoBv3636FWnp+qbPhuoO21uA=
 github.com/onsi/ginkgo v0.0.0-20170829012221-11459a886d9c/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
@@ -237,7 +239,9 @@ github.com/opencontainers/image-spec v1.0.1 h1:JMemWkRwHx4Zj+fVxWoMCFm/8sYGGrUVo
 github.com/opencontainers/image-spec v1.0.1/go.mod h1:BtxoFyWECRxE4U/7sNtV5W15zMzWCbyJoFRP3s7yZA0=
 github.com/otiai10/copy v1.0.2 h1:DDNipYy6RkIkjMwy+AWzgKiNTyj2RUI9yEMeETEpVyc=
 github.com/otiai10/copy v1.0.2/go.mod h1:c7RpqBkwMom4bYTSkLSym4VSJz/XtncWRAj/J4PEIMY=
+github.com/otiai10/curr v0.0.0-20150429015615-9b4961190c95 h1:+OLn68pqasWca0z5ryit9KGfp3sUsW4Lqg32iRMJyzs=
 github.com/otiai10/curr v0.0.0-20150429015615-9b4961190c95/go.mod h1:9qAhocn7zKJG+0mI8eUu6xqkFDYS2kb2saOteoSB3cE=
+github.com/otiai10/mint v1.3.0 h1:Ady6MKVezQwHBkGzLFbrsywyp09Ah7rkmfjV3Bcr5uc=
 github.com/otiai10/mint v1.3.0/go.mod h1:F5AjcsTsWUqX+Na9fpHb52P8pcRX2CI6A3ctIT91xUo=
 github.com/pelletier/go-toml v1.2.0 h1:T5zMGML61Wp+FlcbWjRDT7yAxhJNAiPPLOFECq181zc=
 github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
@@ -267,6 +271,9 @@ github.com/rogpeppe/fastuuid v1.1.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6L
 github.com/rogpeppe/go-internal v1.1.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
 github.com/rogpeppe/go-internal v1.3.0 h1:RR9dF3JtopPvtkroDZuVD7qquD0bnHlKSqaQhgwt8yk=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
+github.com/rogpeppe/go-internal v1.3.2/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTEfhy4qGm1nDQc=
+github.com/rogpeppe/go-internal v1.5.1 h1:asQ0uD7BN9RU5Im41SEEZTwCi/zAXdMOLS3npYaos2g=
+github.com/rogpeppe/go-internal v1.5.1/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTEfhy4qGm1nDQc=
 github.com/russross/blackfriday v1.5.2 h1:HyvC0ARfnZBqnXwABFeSZHpKvJHJJfPz81GNueLj0oo=
 github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
 github.com/russross/blackfriday/v2 v2.0.1 h1:lPqVAte+HuHNfhJ/0LC98ESWRz8afy9tM/0RK8m9o+Q=
@@ -279,8 +286,10 @@ github.com/sirupsen/logrus v1.4.1/go.mod h1:ni0Sbl8bgC9z8RoU9G6nDWqqs/fq4eDPysMB
 github.com/sirupsen/logrus v1.4.2 h1:SPIRibHv4MatM3XXNO2BJeFLZwZ2LvZgfQ5+UNI2im4=
 github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
+github.com/smartystreets/assertions v1.0.0 h1:UVQPSSmc3qtTi+zPPkCXvZX9VvW/xT/NsRvKfwY81a8=
 github.com/smartystreets/assertions v1.0.0/go.mod h1:kHHU4qYBaI3q23Pp3VPrmWhuIUrLW/7eUrw0BU5VaoM=
 github.com/smartystreets/go-aws-auth v0.0.0-20180515143844-0c1422d1fdb9/go.mod h1:SnhjPscd9TpLiy1LpzGSKh3bXCfxxXuqd9xmQJy3slM=
+github.com/smartystreets/goconvey v1.6.4 h1:fv0U8FUIMPNf1L9lnHLvLhgicrIVChEkdzIKYqbNC9s=
 github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
 github.com/smartystreets/gunit v1.0.0/go.mod h1:qwPWnhz6pn0NnRBP++URONOVyNkPyr4SauJk4cUOwJs=
 github.com/soheilhy/cmux v0.1.4/go.mod h1:IM3LyeVVIOuxMH7sFAkER9+bJ4dT7Ms6E4xg4kGIyLM=
@@ -297,6 +306,8 @@ github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb6
 github.com/spf13/pflag v0.0.0-20170130214245-9ff6c6923cff/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/spf13/pflag v1.0.3 h1:zPAT6CGy6wXeQ7NtTnaTerfKOsV6V6F8agHXFiazDkg=
 github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
+github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
+github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/spf13/viper v1.3.2 h1:VUFqw5KcqRf7i70GOzW7N+Q7+gxVBkSSqiXB12+JQ4M=
 github.com/spf13/viper v1.3.2/go.mod h1:ZiWeW+zYFKm7srdB9IoDzzZXaJaI5eL9QjNiN/DMA2s=
 github.com/spf13/viper v1.6.1 h1:VPZzIkznI1YhVMRi6vNFLHSwhnhReBfgTxIPccpfdZk=
@@ -325,8 +336,6 @@ github.com/ugorji/go/codec v1.1.7 h1:2SvQaVZ1ouYrrKKwoSk2pzd4A9evlKJb9oTL+OaLUSs
 github.com/ugorji/go/codec v1.1.7/go.mod h1:Ax+UKWsSmolVDwsd+7N3ZtXu+yMGCf907BLYF3GoBXY=
 github.com/ulikunitz/xz v0.5.6 h1:jGHAfXawEGZQ3blwU5wnWKQJvAraT7Ftq9EXjnXYgt8=
 github.com/ulikunitz/xz v0.5.6/go.mod h1:2bypXElzHzzJZwzH67Y6wb67pO62Rzfn7BSiF4ABRW8=
-github.com/urfave/cli v1.22.1 h1:+mkCCcOFKPnCmVYVcURKps1Xe+3zP90gSYGNfRkjoIY=
-github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
 github.com/urfave/cli v1.22.2 h1:gsqYFH8bb9ekPA12kRo0hfjngWQjkJPlN9R0N78BoUo=
 github.com/urfave/cli v1.22.2/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
 github.com/xi2/xz v0.0.0-20171230120015-48954b6210f8 h1:nIPpBwaJSVYIxUFsDv3M8ofmx9yWTog9BfvIu0q41lo=
@@ -347,6 +356,8 @@ 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=
+golang.org/x/crypto v0.0.0-20191219195013-becbf705a915 h1:aJ0ex187qoXrJHPo8ZasVTASQB7llQP6YeNzgDALPRk=
+golang.org/x/crypto v0.0.0-20191219195013-becbf705a915/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
@@ -394,8 +405,8 @@ golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190515120540-06a5c4944438/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190712062909-fae7ac547cb7 h1:LepdCS8Gf/MVejFIt8lsiexZATdoGVyp5bcyS+rYoUI=
-golang.org/x/sys v0.0.0-20190712062909-fae7ac547cb7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191223224216-5a3cf8467b4e h1:z2Flw7sLy7DxaQi3zDOvI9X+Kb06+G9iZJlkEyHvujE=
+golang.org/x/sys v0.0.0-20191223224216-5a3cf8467b4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.0.0-20160726164857-2910a502d2bf/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
--- a/middlewares/build.go
+++ b/middlewares/build.go
@@ -23,6 +23,9 @@ func Build(ctx context.Contexter) (err error) {
 	}()

 	workdir := fmt.Sprintf("/tmp/fx-%d", time.Now().Unix())
+	if err := utils.EnsureDir(workdir); err != nil {
+		return err
+	}
 	defer os.RemoveAll(workdir)

 	// Cases supports
@@ -66,11 +69,11 @@ func Build(ctx context.Contexter) (err error) {
 		if err := docker.BuildImage(ctx.GetContext(), workdir, name); err != nil {
 			return err
 		}
-
 		nameWithTag := name + ":latest"
 		if err := docker.TagImage(ctx.GetContext(), name, nameWithTag); err != nil {
 			return err
 		}
+
 		ctx.Set("image", nameWithTag)
 	}

--- a/middlewares/provision.go
+++ b/middlewares/provision.go
@@ -56,7 +56,13 @@ func Provision(ctx context.Contexter) (err error) {
 		return err
 	}
 	var deployer infra.Deployer
-	if cloud.GetType() == types.CloudTypeDocker {
+	if os.Getenv("KUBECONFIG") != "" {
+		cloudType = types.CloudTypeK8S
+		conf = os.Getenv("KUBECONFIG")
+		ctx.Set("cloud_type", types.CloudTypeK8S)
+	}
+
+	if cloudType == types.CloudTypeDocker {
 		var meta map[string]string
 		if err := json.Unmarshal([]byte(conf), &meta); err != nil {
 			return err
@@ -72,12 +78,7 @@ func Provision(ctx context.Contexter) (err error) {
 		if err != nil {
 			return err
 		}
-	} else if cloud.GetType() == types.CloudTypeK8S {
-		ctx.Set("cloud_type", types.CloudTypeK8S)
-
-		if os.Getenv("KUBECONFIG") != "" {
-			conf = os.Getenv("KUBECONFIG")
-		}
+	} else if cloudType == types.CloudTypeK8S {
 		deployer, err = k8sInfra.CreateDeployer(conf)
 		if err != nil {
 			return err
--- a/packer/a_packer-packr.go
+++ b/packer/a_packer-packr.go
--- a/packer/images/go/Dockerfile
+++ b/packer/images/go/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
--- a/packer/images/perl/Dockerfile
+++ b/packer/images/perl/Dockerfile
@@ -0,0 +1,6 @@
+FROM metrue/fx-perl-base
+
+ADD . .
+
+EXPOSE 3000
+CMD ["perl", "app.pl", "daemon"]
--- a/packer/images/perl/app.pl
+++ b/packer/images/perl/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;
--- a/packer/images/perl/fx.pl
+++ b/packer/images/perl/fx.pl
@@ -0,0 +1,6 @@
+sub fx {
+  my $ctx = shift;
+  return 'hello fx'
+}
+
+1;
--- a/packer/images/ruby/Dockerfile
+++ b/packer/images/ruby/Dockerfile
@@ -1,6 +1,4 @@
-FROM ruby:latest
-
-RUN gem install sinatra
+FROM metrue/fx-ruby-base

 COPY . .
 EXPOSE 3000
--- a/packer/packer.go
+++ b/packer/packer.go
@@ -26,17 +26,23 @@ func Pack(output string, input ...string) error {
 		return fmt.Errorf("source file or directory required")
 	}

-	var lang string
+	var language string
 	for _, f := range input {
 		if utils.IsRegularFile(f) {
-			lang = langFromFileName(f)
+			lang, err := langFromFileName(f)
+			if err == nil {
+				language = lang
+			}
 		} else if utils.IsDir(f) {
 			if err := filepath.Walk(f, func(path string, info os.FileInfo, err error) error {
 				if err != nil {
 					return err
 				}
 				if utils.IsRegularFile(path) {
-					lang = langFromFileName(path)
+					lang, err := langFromFileName(path)
+					if err == nil {
+						language = lang
+					}
 				}
 				return nil
 			}); err != nil {
@@ -45,11 +51,11 @@ func Pack(output string, input ...string) error {
 		}
 	}

-	if lang == "" {
+	if language == "" {
 		return fmt.Errorf("could not tell programe language of your input source codes")
 	}

-	if err := restore(output, lang); err != nil {
+	if err := restore(output, language); err != nil {
 		return err
 	}

@@ -64,7 +70,7 @@ func Pack(output string, input ...string) error {
 					return err
 				}

-				if isHandler(path) {
+				if isHandler(path, language) {
 					if err := copy.Copy(input[0], path); err != nil {
 						return err
 					}
@@ -78,8 +84,8 @@ func Pack(output string, input ...string) error {
 		return nil
 	}

-	if !hasFxHandleFile(input...) {
-		msg := `it requires a fx handle file when input is not a single file function, e.g.  
+	if !hasFxHandleFile(language, input...) {
+		msg := `it requires a fx handle file when input is not a single file function, e.g.
 fx.go for Golang
 Fx.java for Java
 fx.php for PHP
@@ -87,6 +93,7 @@ fx.py for Python
 fx.js for JavaScript or Node
 fx.rb for Ruby
 fx.jl for Julia
+fx.pl for Perl
 fx.d for D`
 		return fmt.Errorf(msg)
 	}
@@ -154,54 +161,6 @@ func merge(dest string, input ...string) error {
 	return nil
 }

-func isHandler(name string) bool {
-	basename := filepath.Base(name)
-	nameWithoutExt := strings.TrimSuffix(basename, filepath.Ext(basename))
-	return nameWithoutExt == "fx" ||
-		nameWithoutExt == "Fx" || // Fx is for Java
-		nameWithoutExt == "mod" // mod.rs is for Rust
-}
-
-func langFromFileName(fileName string) string {
-	extLangMap := map[string]string{
-		".js":   "node",
-		".go":   "go",
-		".rb":   "ruby",
-		".py":   "python",
-		".php":  "php",
-		".jl":   "julia",
-		".java": "java",
-		".d":    "d",
-		".rs":   "rust",
-	}
-	return extLangMap[filepath.Ext(fileName)]
-}
-
-func hasFxHandleFile(input ...string) bool {
-	var handleFile string
-	for _, file := range input {
-		if utils.IsRegularFile(file) && isHandler(file) {
-			handleFile = file
-			break
-		} else if utils.IsDir(file) {
-			if err := filepath.Walk(file, func(path string, info os.FileInfo, err error) error {
-				if err != nil {
-					return err
-				}
-
-				if utils.IsRegularFile(path) && isHandler(info.Name()) {
-					handleFile = path
-				}
-				return nil
-			}); err != nil {
-				return false
-			}
-		}
-	}
-
-	return handleFile != ""
-}
-
 // PackIntoK8SConfigMapFile pack function a K8S config map file
 func PackIntoK8SConfigMapFile(dir string) (string, error) {
 	tree := map[string]string{}
--- a/packer/rules.go
+++ b/packer/rules.go
@@ -0,0 +1,76 @@
+package packer
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/metrue/fx/utils"
+)
+
+// 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",
+}
+
+func isHandler(name string, lang string) bool {
+	basename := filepath.Base(name)
+	nameWithoutExt := strings.TrimSuffix(basename, filepath.Ext(basename))
+	if ExtLangMapping[filepath.Ext(basename)] != lang {
+		return false
+	}
+
+	return (nameWithoutExt == "fx" ||
+		// Fx is for Java
+		nameWithoutExt == "Fx" ||
+		// mod.rs is for Rust)
+		nameWithoutExt == "mod")
+}
+
+func langFromFileName(fileName string) (string, error) {
+	if fileName == "" {
+		return "", fmt.Errorf("file name should not be empty")
+	}
+
+	ext := filepath.Ext(fileName)
+	lang, ok := ExtLangMapping[ext]
+	if !ok {
+		return "", fmt.Errorf("could not find corresponse programming language for file extension %s", ext)
+	}
+	return lang, nil
+}
+
+func hasFxHandleFile(lang string, input ...string) bool {
+	var handleFile string
+	for _, file := range input {
+		if utils.IsRegularFile(file) && isHandler(file, lang) {
+			handleFile = file
+			break
+		} else if utils.IsDir(file) {
+			if err := filepath.Walk(file, func(path string, info os.FileInfo, err error) error {
+				if err != nil {
+					return err
+				}
+
+				if utils.IsRegularFile(path) && isHandler(info.Name(), lang) {
+					handleFile = path
+				}
+				return nil
+			}); err != nil {
+				return false
+			}
+		}
+	}
+
+	return handleFile != ""
+}
--- a/packer/rules_test.go
+++ b/packer/rules_test.go
@@ -0,0 +1,61 @@
+package packer
+
+import "testing"
+
+func TestLangFromFileName(t *testing.T) {
+	cases := []struct {
+		name string
+		lang string
+	}{
+		{
+			name: "a.js",
+			lang: "node",
+		},
+		{
+			name: "a.py",
+			lang: "python",
+		},
+		{
+			name: "a.go",
+			lang: "go",
+		},
+		{
+			name: "a.rb",
+			lang: "ruby",
+		},
+		{
+			name: "a.php",
+			lang: "php",
+		},
+		{
+			name: "a.jl",
+			lang: "julia",
+		},
+		{
+			name: "a.d",
+			lang: "d",
+		},
+		{
+			name: "a.rs",
+			lang: "rust",
+		},
+		{
+			name: "a.java",
+			lang: "java",
+		},
+		{
+			name: "a.pl",
+			lang: "perl",
+		},
+	}
+
+	for _, c := range cases {
+		lang, err := langFromFileName(c.name)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if lang != c.lang {
+			t.Fatalf("should get %s but got %s", c.lang, lang)
+		}
+	}
+}
--- a/scripts/test_cli.sh
+++ b/scripts/test_cli.sh
@@ -10,7 +10,7 @@ run() {
  local port=$2
  # localhost
  $fx up --name ${service}_${lang} --port ${port} --healthcheck test/functions/func.${lang}
-  $fx list # | jq ''
+  $fx list
  $fx down ${service}_${lang} || true
 }

@@ -32,7 +32,7 @@ export_image() {
 if [[ "$DOCKER_REMOTE_HOST_ADDR" != "" ]];then
  cloud_name='fx-remote-docker-host'
  $fx infra create --name ${cloud_name} --type docker --host ${DOCKER_REMOTE_HOST_USER}@${DOCKER_REMOTE_HOST_ADDR}
-  $fx use ${cloud_name}
+  $fx infra use ${cloud_name}
 fi

 port=20000
--- a/utils/docker.go
+++ b/utils/docker.go
@@ -9,6 +9,9 @@ import (
 func HasDockerfile(dir string) bool {
 	var dockerfile string
 	if err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
 		// nolint
 		if info.Mode().IsRegular() && info.Name() == "Dockerfile" {
 			dockerfile = path
Author	SHA1	Message	Date
Minghe	3d7f7b0ad1	Configurable auto remove (#440 ) * enable autoremove to be configurable * bump version	2019-12-31 14:29:01 +08:00
Minghe	a1ccbd6cab	Add not fetch fx node bas (#439 ) * add node-fetch to fx-node-base image, then we can use 'fetch' in JavaScript/Node function * bump version	2019-12-31 13:34:48 +08:00
Minghe	33cb4ce63c	verify deploy function to Google Kubernetes Engine and update Doc (#435 ) * verify deploy function to Google Kubernetes Engine and update Doc * bump version	2019-12-27 23:08:51 +08:00
Minghe	aefb4497e2	When check a file is handler or not, should take extension account, (#433 ) otherewise it might be a directory, not a file	2019-12-26 20:40:57 +08:00
Minghe Huang	0047e66f10	bump version	2019-12-26 20:38:50 +08:00
Minghe Huang	6bae4254af	When check a file is handler or not, should take extension account, otherewise it might be a directory, not a file	2019-12-26 18:47:11 +08:00
Minghe	a9689993b0	Fix packr missing auto release (#431 ) * install packr * install packr * commit generate packr file * no need change	2019-12-24 18:30:44 +08:00
Minghe	8c0182b29f	move some installation into base image (#427 )	2019-12-24 11:13:10 +08:00
Minghe Huang	02d55c7143	bump version	2019-12-23 13:57:31 +08:00
Minghe	f343b537f1	upgrade go-ssh-client pkg (#426 ) * upgrade go-ssh-client pkg * bump version	2019-12-20 10:24:14 +08:00
Minghe	a84e7da65f	When there is services deployed via k8s mode on Desktop Docker for Mac (#424 ) with kubernetes single node cluster, "fx list" will crash since some service has no names, but the code trying to access names at index 0 Signed-off-by: Minghe Huang <h.minghe@gmail.com>	2019-12-19 16:05:40 +08:00
Minghe	f3b64387cb	dependencies should be field of brew (#423 )	2019-12-19 14:28:53 +08:00
Minghe	e132435ff8	add docker to dependency (#422 ) * add docker to dependency Signed-off-by: Minghe Huang <h.minghe@gmail.com> * bump version	2019-12-19 13:41:26 +08:00
Minghe	fb492fa6f7	Merge pull request #415 from metrue/perl Perl	2019-12-19 10:14:22 +08:00
Minghe Huang	159714491d	add perl support, fx up func.pl Signed-off-by: Minghe Huang <h.minghe@gmail.com>	2019-12-18 21:06:56 +08:00
Minghe Huang	64cbbc70bb	Squashed commit of the following: commit f4e3d78e516f889a0256c6ddf922922ec12bc757 Author: Minghe Huang <h.minghe@gmail.com> Date: Wed Dec 18 21:02:43 2019 +0800 check error when walk directory Signed-off-by: Minghe Huang <h.minghe@gmail.com>	2019-12-18 21:03:05 +08:00
Minghe	d0559f627e	simple and clean code (#420 ) Signed-off-by: Minghe Huang <h.minghe@gmail.com>	2019-12-18 20:56:26 +08:00
Minghe	0a6784e270	fix wrong cloud type issue (#419 ) Signed-off-by: Minghe Huang <h.minghe@gmail.com>	2019-12-18 20:22:03 +08:00
Minghe	b6fd3c7e98	add contributor badge (#418 )	2019-12-18 17:29:16 +08:00
Minghe	1c05534071	fix KUBECONFIG no effect issue (#416 ) Signed-off-by: Minghe Huang <h.minghe@gmail.com>	2019-12-18 16:59:10 +08:00