Files
fx-serverless/contrib/docker_packer/main.go
2019-11-11 15:35:52 +08:00

79 lines
1.7 KiB
Go

package main
import (
"context"
"encoding/base64"
"encoding/json"
"fmt"
"log"
"os"
"time"
dockerTypes "github.com/docker/docker/api/types"
runtime "github.com/metrue/fx/container_runtimes/docker/sdk"
"github.com/metrue/fx/packer"
"github.com/metrue/fx/utils"
)
func init() {
// TODO clean it up
os.Setenv("DEBUG", "true")
}
func main() {
args := os.Args
if len(args) != 3 {
fmt.Println(`Usage:
docker_packer <encrypt_docker_project_source_tree> <image_name>
`)
return
}
meta := args[1]
name := args[2]
str, err := base64.StdEncoding.WithPadding(base64.StdPadding).DecodeString(meta)
if err != nil {
log.Fatalf("could decode meta: %s, %v", meta, err)
os.Exit(1)
}
var tree map[string]string
//nolint
if err := json.Unmarshal([]byte(str), &tree); err != nil {
log.Fatalf("could not unmarshal meta: %s", meta)
os.Exit(1)
}
workdir := "/tmp/fx"
if err := packer.TreeToDir(tree, workdir); err != nil {
log.Fatalf("could not restore to dir: %v", err)
os.Exit(1)
}
defer os.RemoveAll(workdir)
ctx := context.Background()
dockerClient, err := runtime.CreateClient(ctx)
if err != nil {
log.Fatalf("could not create a docker client: %v", err)
os.Exit(1)
}
if err := dockerClient.BuildImage(ctx, workdir, name); err != nil {
log.Fatalf("could not build image: %s", err)
os.Exit(1)
}
nameWithTag := name + ":latest"
if err := dockerClient.ImageTag(ctx, name, nameWithTag); err != nil {
log.Fatalf("could tag image: %v", err)
os.Exit(1)
}
var imgInfo dockerTypes.ImageInspect
if err := utils.RunWithRetry(func() error {
return dockerClient.InspectImage(context.Background(), name, &imgInfo)
}, time.Second*1, 5); err != nil {
fmt.Printf("inspect image failed: %s", err)
}
fmt.Println("image built succcessfully")
}