2020-11-16 18:37:13 +01:00
|
|
|
package main
|
|
|
|
|
|
|
|
import (
|
|
|
|
"encoding/base64"
|
|
|
|
"fmt"
|
|
|
|
"io/ioutil"
|
|
|
|
"os"
|
|
|
|
|
|
|
|
"github.com/joho/godotenv"
|
|
|
|
"github.com/pkg/errors"
|
|
|
|
"github.com/sirupsen/logrus"
|
|
|
|
"github.com/urfave/cli"
|
|
|
|
|
2020-11-16 19:11:59 +01:00
|
|
|
kaniko "github.com/drone/drone-kaniko"
|
2020-11-16 18:37:13 +01:00
|
|
|
)
|
|
|
|
|
|
|
|
const (
|
|
|
|
// Docker config file path
|
|
|
|
dockerConfigPath string = "/kaniko/.docker/config.json"
|
|
|
|
)
|
|
|
|
|
|
|
|
var (
|
|
|
|
version = "unknown"
|
|
|
|
)
|
|
|
|
|
|
|
|
func main() {
|
|
|
|
// Load env-file if it exists first
|
|
|
|
if env := os.Getenv("PLUGIN_ENV_FILE"); env != "" {
|
|
|
|
godotenv.Load(env)
|
|
|
|
}
|
|
|
|
|
|
|
|
app := cli.NewApp()
|
|
|
|
app.Name = "kaniko docker plugin"
|
|
|
|
app.Usage = "kaniko docker plugin"
|
|
|
|
app.Action = run
|
|
|
|
app.Version = version
|
|
|
|
app.Flags = []cli.Flag{
|
|
|
|
cli.StringFlag{
|
|
|
|
Name: "dockerfile",
|
|
|
|
Usage: "build dockerfile",
|
|
|
|
Value: "Dockerfile",
|
|
|
|
EnvVar: "PLUGIN_DOCKERFILE",
|
|
|
|
},
|
|
|
|
cli.StringFlag{
|
|
|
|
Name: "context",
|
|
|
|
Usage: "build context",
|
|
|
|
Value: ".",
|
|
|
|
EnvVar: "PLUGIN_CONTEXT",
|
|
|
|
},
|
|
|
|
cli.StringSliceFlag{
|
|
|
|
Name: "tags",
|
|
|
|
Usage: "build tags",
|
|
|
|
Value: &cli.StringSlice{"latest"},
|
|
|
|
EnvVar: "PLUGIN_TAGS",
|
|
|
|
FilePath: ".tags",
|
|
|
|
},
|
|
|
|
cli.StringSliceFlag{
|
|
|
|
Name: "args",
|
|
|
|
Usage: "build args",
|
|
|
|
EnvVar: "PLUGIN_BUILD_ARGS",
|
|
|
|
},
|
|
|
|
cli.StringFlag{
|
|
|
|
Name: "target",
|
|
|
|
Usage: "build target",
|
|
|
|
EnvVar: "PLUGIN_TARGET",
|
|
|
|
},
|
|
|
|
cli.StringFlag{
|
|
|
|
Name: "repo",
|
|
|
|
Usage: "docker repository",
|
|
|
|
EnvVar: "PLUGIN_REPO",
|
|
|
|
},
|
|
|
|
cli.StringSliceFlag{
|
|
|
|
Name: "custom-labels",
|
|
|
|
Usage: "additional k=v labels",
|
|
|
|
EnvVar: "PLUGIN_CUSTOM_LABELS",
|
|
|
|
},
|
|
|
|
cli.StringFlag{
|
|
|
|
Name: "registry",
|
|
|
|
Usage: "docker registry",
|
|
|
|
Value: "https://index.docker.io/v1/",
|
|
|
|
EnvVar: "PLUGIN_REGISTRY",
|
|
|
|
},
|
|
|
|
cli.StringFlag{
|
|
|
|
Name: "username",
|
|
|
|
Usage: "docker username",
|
|
|
|
EnvVar: "PLUGIN_USERNAME",
|
|
|
|
},
|
|
|
|
cli.StringFlag{
|
|
|
|
Name: "password",
|
|
|
|
Usage: "docker password",
|
|
|
|
EnvVar: "PLUGIN_PASSWORD",
|
|
|
|
},
|
|
|
|
}
|
|
|
|
|
|
|
|
if err := app.Run(os.Args); err != nil {
|
|
|
|
logrus.Fatal(err)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
func run(c *cli.Context) error {
|
|
|
|
err := createDockerCfgFile(c.String("username"), c.String("password"), c.String("registry"))
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
|
2020-11-16 19:11:59 +01:00
|
|
|
plugin := kaniko.Plugin{
|
|
|
|
Build: kaniko.Build{
|
2020-11-16 18:37:13 +01:00
|
|
|
Dockerfile: c.String("dockerfile"),
|
|
|
|
Context: c.String("context"),
|
|
|
|
Tags: c.StringSlice("tags"),
|
|
|
|
Args: c.StringSlice("args"),
|
|
|
|
Target: c.String("target"),
|
|
|
|
Repo: c.String("repo"),
|
|
|
|
Labels: c.StringSlice("custom-labels"),
|
|
|
|
},
|
|
|
|
}
|
|
|
|
return plugin.Exec()
|
|
|
|
}
|
|
|
|
|
|
|
|
// Create the docker config file for authentication
|
|
|
|
func createDockerCfgFile(username, password, registry string) error {
|
|
|
|
if username == "" {
|
|
|
|
return fmt.Errorf("Username is not set")
|
|
|
|
}
|
|
|
|
if password == "" {
|
|
|
|
return fmt.Errorf("Password is not set")
|
|
|
|
}
|
|
|
|
if registry == "" {
|
|
|
|
return fmt.Errorf("Registry is not set")
|
|
|
|
}
|
|
|
|
|
|
|
|
authBytes := []byte(fmt.Sprintf("%s:%s", username, password))
|
|
|
|
encodedString := base64.StdEncoding.EncodeToString(authBytes)
|
|
|
|
jsonBytes := []byte(fmt.Sprintf(`{"auths": {"%s": {"auth": "%s"}}}`, registry, encodedString))
|
|
|
|
err := ioutil.WriteFile(dockerConfigPath, jsonBytes, 0644)
|
|
|
|
if err != nil {
|
|
|
|
return errors.Wrap(err, "failed to create docker config file")
|
|
|
|
}
|
|
|
|
return nil
|
|
|
|
}
|