162 lines
3.5 KiB
Go
162 lines
3.5 KiB
Go
package main
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import (
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"fmt"
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"io/ioutil"
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"os"
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"os/exec"
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"strings"
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"time"
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"github.com/drone/drone-plugin-go/plugin"
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)
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type Docker struct {
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Storage string `json:"storage_driver"`
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Registry string `json:"registry"`
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Insecure bool `json:"insecure"`
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Username string `json:"username"`
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Password string `json:"password"`
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Email string `json:"email"`
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Auth string `json:"auth"`
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Repo string `json:"repo"`
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Tag string `json:"tag"`
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File string `json:"file"`
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}
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func main() {
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workspace := plugin.Workspace{}
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build := plugin.Build{}
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vargs := Docker{}
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plugin.Param("workspace", &workspace)
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plugin.Param("build", &build)
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plugin.Param("vargs", &vargs)
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plugin.MustParse()
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// Set the storage driver
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if len(vargs.Storage) == 0 {
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vargs.Storage = "aufs"
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}
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stop := func() {
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cmd := exec.Command("start-stop-daemon", "--stop", "--pidfile", "/var/run/docker.pid")
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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trace(cmd)
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cmd.Run()
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}
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defer stop()
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// Starts the Docker daemon
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go func() {
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cmd := exec.Command("/bin/bash", "/bin/wrapdocker")
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cmd.Stdout = ioutil.Discard
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cmd.Stderr = ioutil.Discard
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cmd.Run()
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args := []string{"-d", "-s", vargs.Storage}
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if vargs.Insecure && len(vargs.Registry) != 0 {
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args = append(args, "--insecure-registry", vargs.Registry)
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}
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cmd = exec.Command("docker", args...)
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cmd.Stdout = ioutil.Discard
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cmd.Stderr = ioutil.Discard
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trace(cmd)
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cmd.Run()
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}()
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// Sleep for a few seconds
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time.Sleep(5 * time.Second)
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// Set the Registry value
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if len(vargs.Registry) == 0 {
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vargs.Registry = "https://index.docker.io/v1/"
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}
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// Set the Dockerfile path
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if len(vargs.File) == 0 {
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vargs.File = "."
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}
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// Set the Tag value
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if len(vargs.Tag) == 0 {
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vargs.Tag = "latest"
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}
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vargs.Repo = fmt.Sprintf("%s:%s", vargs.Repo, vargs.Tag)
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// Login to Docker
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if len(vargs.Username) != 0 {
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cmd := exec.Command("docker", "login", "-u", vargs.Username, "-p", vargs.Password, "-e", vargs.Email, vargs.Registry)
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cmd.Dir = workspace.Path
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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err := cmd.Run()
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if err != nil {
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stop()
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os.Exit(1)
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}
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} else {
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fmt.Printf("A username was not specified. Assuming anoynmous publishing.\n")
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}
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// Docker environment info
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cmd := exec.Command("docker", "version")
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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trace(cmd)
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cmd.Run()
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cmd = exec.Command("docker", "info")
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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trace(cmd)
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cmd.Run()
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// Build the container
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cmd = exec.Command("docker", "build", "--pull=true", "--rm=true", "-t", vargs.Repo, vargs.File)
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cmd.Dir = workspace.Path
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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trace(cmd)
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err := cmd.Run()
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if err != nil {
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stop()
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os.Exit(1)
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}
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// Push the container
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cmd = exec.Command("docker", "push", vargs.Repo)
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cmd.Dir = workspace.Path
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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trace(cmd)
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err = cmd.Run()
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if err != nil {
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stop()
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os.Exit(1)
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}
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}
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// Trace writes each command to standard error (preceded by a ‘$ ’) before it
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// is executed. Used for debugging your build.
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func trace(cmd *exec.Cmd) {
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fmt.Println("$", strings.Join(cmd.Args, " "))
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}
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// authorize is a helper function that authorizes the Docker client
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// by manually creating the Docker authentication file.
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func authorize(d *Docker) error {
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var path = "/root/.dockercfg" // TODO should probably use user.Home() for good measure
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var data = fmt.Sprintf(dockerconf, d.Registry, d.Auth, d.Email)
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return ioutil.WriteFile(path, []byte(data), 0644)
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}
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var dockerconf = `
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{
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"%s": {
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"auth": "%s",
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"email": "%s"
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}
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}
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`
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