drone-docker-buildx/plugin/docker.go
2023-06-28 20:26:07 +02:00

264 lines
5.7 KiB
Go

package plugin
import (
"fmt"
"os"
"strings"
"time"
"github.com/urfave/cli/v2"
"golang.org/x/sys/execabs"
)
// helper function to create the docker login command.
func commandLogin(login Login) *execabs.Cmd {
if login.Email != "" {
return commandLoginEmail(login)
}
args := []string{
"login",
"-u", login.Username,
"-p", login.Password,
login.Registry,
}
return execabs.Command(
dockerBin, args...,
)
}
func commandLoginEmail(login Login) *execabs.Cmd {
args := []string{
"login",
"-u", login.Username,
"-p", login.Password,
"-e", login.Email,
login.Registry,
}
return execabs.Command(
dockerBin, args...,
)
}
// helper function to create the docker info command.
func commandVersion() *execabs.Cmd {
return execabs.Command(dockerBin, "version")
}
// helper function to create the docker info command.
func commandInfo() *execabs.Cmd {
return execabs.Command(dockerBin, "info")
}
func commandBuilder(daemon Daemon) *execabs.Cmd {
args := []string{
"buildx",
"create",
"--use",
}
if daemon.BuildkitConfig != "" {
args = append(args, "--config", buildkitConfig)
}
return execabs.Command(dockerBin, args...)
}
func commandBuildx() *execabs.Cmd {
return execabs.Command(dockerBin, "buildx", "ls")
}
// helper function to create the docker build command.
func commandBuild(build Build, dryrun bool) *execabs.Cmd {
args := []string{
"buildx",
"build",
"--rm=true",
"-f", build.Dockerfile,
}
defaultBuildArgs := []string{
fmt.Sprintf("DOCKER_IMAGE_CREATED=%s", time.Now().Format(time.RFC3339)),
}
args = append(args, build.Context)
if !dryrun && build.Output == "" && len(build.Tags.Value()) > 0 {
args = append(args, "--push")
}
if build.Compress {
args = append(args, "--compress")
}
if build.Pull {
args = append(args, "--pull=true")
}
if build.NoCache {
args = append(args, "--no-cache")
}
for _, arg := range build.CacheFrom {
args = append(args, "--cache-from", arg)
}
if build.CacheTo != "" {
args = append(args, "--cache-to", build.CacheTo)
}
for _, arg := range build.ArgsEnv.Value() {
addProxyValue(&build, arg)
}
for _, arg := range append(defaultBuildArgs, build.Args.Value()...) {
args = append(args, "--build-arg", arg)
}
for _, host := range build.AddHost.Value() {
args = append(args, "--add-host", host)
}
if build.Target != "" {
args = append(args, "--target", build.Target)
}
if build.Quiet {
args = append(args, "--quiet")
}
if build.Output != "" {
args = append(args, "--output", build.Output)
}
for _, arg := range build.NamedContext.Value() {
args = append(args, "--build-context", arg)
}
if len(build.Platforms.Value()) > 0 {
args = append(args, "--platform", strings.Join(build.Platforms.Value(), ","))
}
for _, arg := range build.Tags.Value() {
args = append(args, "-t", fmt.Sprintf("%s:%s", build.Repo, arg))
}
for _, arg := range build.ExtraTags.Value() {
args = append(args, "-t", arg)
}
for _, arg := range build.Labels.Value() {
args = append(args, "--label", arg)
}
if build.Provenance != "" {
args = append(args, "--provenance", build.Provenance)
}
if build.SBOM != "" {
args = append(args, "--sbom", build.SBOM)
}
for _, secret := range build.Secrets.Value() {
args = append(args, "--secret", secret)
}
return execabs.Command(dockerBin, args...)
}
// helper function to add proxy values from the environment.
func addProxyBuildArgs(build *Build) {
addProxyValue(build, "http_proxy")
addProxyValue(build, "https_proxy")
addProxyValue(build, "no_proxy")
}
// helper function to add the upper and lower case version of a proxy value.
func addProxyValue(build *Build, key string) {
value := getProxyValue(key)
if len(value) > 0 && !hasProxyBuildArg(build, key) {
build.Args = *cli.NewStringSlice(append(build.Args.Value(), fmt.Sprintf("%s=%s", key, value))...)
build.Args = *cli.NewStringSlice(append(build.Args.Value(), fmt.Sprintf("%s=%s", strings.ToUpper(key), value))...)
}
}
// helper function to get a proxy value from the environment.
//
// assumes that the upper and lower case versions of are the same.
func getProxyValue(key string) string {
value := os.Getenv(key)
if len(value) > 0 {
return value
}
return os.Getenv(strings.ToUpper(key))
}
// helper function that looks to see if a proxy value was set in the build args.
func hasProxyBuildArg(build *Build, key string) bool {
keyUpper := strings.ToUpper(key)
for _, s := range build.Args.Value() {
if strings.HasPrefix(s, key) || strings.HasPrefix(s, keyUpper) {
return true
}
}
return false
}
// helper function to create the docker daemon command.
func commandDaemon(daemon Daemon) *execabs.Cmd {
args := []string{
"--data-root", daemon.StoragePath,
"--host=unix:///var/run/docker.sock",
}
if daemon.StorageDriver != "" {
args = append(args, "-s", daemon.StorageDriver)
}
if daemon.Insecure && daemon.Registry != "" {
args = append(args, "--insecure-registry", daemon.Registry)
}
if daemon.IPv6 {
args = append(args, "--ipv6")
}
if len(daemon.Mirror) != 0 {
args = append(args, "--registry-mirror", daemon.Mirror)
}
if len(daemon.Bip) != 0 {
args = append(args, "--bip", daemon.Bip)
}
for _, dns := range daemon.DNS.Value() {
args = append(args, "--dns", dns)
}
for _, dnsSearch := range daemon.DNSSearch.Value() {
args = append(args, "--dns-search", dnsSearch)
}
if len(daemon.MTU) != 0 {
args = append(args, "--mtu", daemon.MTU)
}
if daemon.Experimental {
args = append(args, "--experimental")
}
return execabs.Command(dockerdBin, args...)
}
// trace writes each command to stdout with the command wrapped in an xml
// tag so that it can be extracted and displayed in the logs.
func trace(cmd *execabs.Cmd) {
fmt.Fprintf(os.Stdout, "+ %s\n", strings.Join(cmd.Args, " "))
}