drone-docker-buildx/main.go
2015-05-14 22:12:50 -07:00

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package main
import (
"fmt"
"io/ioutil"
"os"
"os/exec"
"strings"
"time"
"github.com/drone/drone-plugin-go/plugin"
)
type Docker struct {
Registry string `json:"registry"`
Username string `json:"username"`
Password string `json:"password"`
Email string `json:"email"`
Repo string `json:"repo"`
Tag string `json:"tag"`
File string `json:"file"`
}
func main() {
clone := plugin.Clone{}
vargs := Docker{}
plugin.Param("clone", &clone)
plugin.Param("vargs", &vargs)
if err := plugin.Parse(); err != nil {
println(err.Error())
os.Exit(1)
}
// Starts the Docker daemon
go func() {
cmd := exec.Command("docker", "-d")
cmd.Dir = clone.Dir
cmd.Stdout = ioutil.Discard
cmd.Stderr = ioutil.Discard
cmd.Run()
}()
// Sleep for a few seconds
time.Sleep(5 * time.Second)
// Set the Registry value
if len(vargs.Registry) == 0 {
vargs.Registry = "https://index.docker.io/v1/"
}
// Set the Dockerfile path
if len(vargs.File) == 0 {
vargs.File = "."
}
// Set the Tag value
switch vargs.Tag {
case "$DRONE_BRANCH":
vargs.Tag = clone.Branch
case "$DRONE_COMMIT":
vargs.Tag = clone.Sha
case "":
vargs.Tag = "latest"
}
vargs.Repo = fmt.Sprintf("%s:%s", vargs.Repo, vargs.Tag)
// Build the container
cmd := exec.Command("docker", "build", "--pull=true", "--rm=true", "-t", vargs.Repo, vargs.File)
cmd.Dir = clone.Dir
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
trace(cmd)
err := cmd.Run()
if err != nil {
os.Exit(1)
}
// Login to Docker
cmd = exec.Command("docker", "login", "-u", vargs.Username, "-p", vargs.Password, "-e", vargs.Email, "index.docker.io")
cmd.Dir = clone.Dir
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
err = cmd.Run()
if err != nil {
os.Exit(1)
}
// Push the container
cmd = exec.Command("docker", "push", vargs.Repo)
cmd.Dir = clone.Dir
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
trace(cmd)
err = cmd.Run()
if err != nil {
os.Exit(1)
}
}
// Trace writes each command to standard error (preceded by a $ ) before it
// is executed. Used for debugging your build.
func trace(cmd *exec.Cmd) {
fmt.Println("$", strings.Join(cmd.Args, " "))
}