refactor: update dependencies and use plugin boilerplate
This commit is contained in:
Robert Kaussow
203
plugin/impl.go
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203
plugin/impl.go
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@@ -0,0 +1,203 @@
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package plugin
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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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"path/filepath"
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"time"
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"github.com/sirupsen/logrus"
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"github.com/urfave/cli/v2"
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)
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// Daemon defines Docker daemon parameters.
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type Daemon struct {
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Registry string // Docker registry
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Mirror string // Docker registry mirror
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Insecure bool // Docker daemon enable insecure registries
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StorageDriver string // Docker daemon storage driver
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StoragePath string // Docker daemon storage path
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Disabled bool // DOcker daemon is disabled (already running)
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Debug bool // Docker daemon started in debug mode
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Bip string // Docker daemon network bridge IP address
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DNS cli.StringSlice // Docker daemon dns server
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DNSSearch cli.StringSlice // Docker daemon dns search domain
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MTU string // Docker daemon mtu setting
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IPv6 bool // Docker daemon IPv6 networking
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Experimental bool // Docker daemon enable experimental mode
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}
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// Login defines Docker login parameters.
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type Login struct {
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Registry string // Docker registry address
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Username string // Docker registry username
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Password string // Docker registry password
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Email string // Docker registry email
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Config string // Docker Auth Config
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}
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// Build defines Docker build parameters.
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type Build struct {
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Remote string // Git remote URL
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Name string // Git commit sha used as docker default named tag
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Ref string // Git commit ref
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Branch string // Git repository branch
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Dockerfile string // Docker build Dockerfile
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Context string // Docker build context
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TagsAuto bool // Docker build auto tag
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TagsSuffix string // Docker build tags with suffix
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Tags cli.StringSlice // Docker build tags
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Platforms cli.StringSlice // Docker build target platforms
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Args cli.StringSlice // Docker build args
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ArgsEnv cli.StringSlice // Docker build args from env
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Target string // Docker build target
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Squash bool // Docker build squash
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Pull bool // Docker build pull
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CacheFrom cli.StringSlice // Docker build cache-from
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Compress bool // Docker build compress
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Repo string // Docker build repository
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NoCache bool // Docker build no-cache
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AddHost cli.StringSlice // Docker build add-host
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Quiet bool // Docker build quiet
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}
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// Settings for the Plugin.
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type Settings struct {
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Daemon Daemon
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Login Login
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Build Build
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Dryrun bool
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Cleanup bool
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}
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// Validate handles the settings validation of the plugin.
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func (p *Plugin) Validate() error {
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p.settings.Daemon.Registry = p.settings.Login.Registry
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if p.settings.Build.TagsAuto {
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// return true if tag event or default branch
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if UseDefaultTag(
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p.settings.Build.Ref,
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p.settings.Build.Branch,
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) {
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tag, err := DefaultTagSuffix(
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p.settings.Build.Ref,
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p.settings.Build.TagsSuffix,
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)
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if err != nil {
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logrus.Printf("cannot build docker image for %s, invalid semantic version", p.settings.Build.Ref)
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return err
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}
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p.settings.Build.Tags = *cli.NewStringSlice(tag...)
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} else {
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logrus.Printf("skipping automated docker build for %s", p.settings.Build.Ref)
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return nil
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}
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}
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return nil
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}
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// Execute provides the implementation of the plugin.
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func (p *Plugin) Execute() error {
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// start the Docker daemon server
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if !p.settings.Daemon.Disabled {
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p.startDaemon()
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}
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// poll the docker daemon until it is started. This ensures the daemon is
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// ready to accept connections before we proceed.
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for i := 0; i < 15; i++ {
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cmd := commandInfo()
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err := cmd.Run()
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if err == nil {
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break
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}
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time.Sleep(time.Second * 1)
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}
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// Create Auth Config File
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if p.settings.Login.Config != "" {
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os.MkdirAll(dockerHome, 0600)
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path := filepath.Join(dockerHome, "config.json")
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err := ioutil.WriteFile(path, []byte(p.settings.Login.Config), 0600)
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if err != nil {
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return fmt.Errorf("error writing config.json: %s", err)
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}
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}
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// login to the Docker registry
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if p.settings.Login.Password != "" {
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cmd := commandLogin(p.settings.Login)
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err := cmd.Run()
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if err != nil {
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return fmt.Errorf("error authenticating: %s", err)
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}
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}
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switch {
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case p.settings.Login.Password != "":
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fmt.Println("Detected registry credentials")
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case p.settings.Login.Config != "":
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fmt.Println("Detected registry credentials file")
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default:
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fmt.Println("Registry credentials or Docker config not provided. Guest mode enabled.")
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}
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if p.settings.Build.Squash && !p.settings.Daemon.Experimental {
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fmt.Println("Squash build flag is only available when Docker deamon is started with experimental flag. Ignoring...")
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p.settings.Build.Squash = false
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}
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// add proxy build args
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addProxyBuildArgs(&p.settings.Build)
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var cmds []*exec.Cmd
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cmds = append(cmds, commandVersion()) // docker version
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cmds = append(cmds, commandInfo()) // docker info
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cmds = append(cmds, commandBuilder())
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cmds = append(cmds, commandBuildx())
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// pre-pull cache images
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for _, img := range p.settings.Build.CacheFrom.Value() {
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cmds = append(cmds, commandPull(img))
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}
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cmds = append(cmds, commandBuild(p.settings.Build)) // docker build
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for _, tag := range p.settings.Build.Tags.Value() {
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cmds = append(cmds, commandTag(p.settings.Build, tag)) // docker tag
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if !p.settings.Dryrun {
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cmds = append(cmds, commandPush(p.settings.Build, tag)) // docker push
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}
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}
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if p.settings.Cleanup {
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cmds = append(cmds, commandRmi(p.settings.Build.Name)) // docker rmi
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cmds = append(cmds, commandPrune()) // docker system prune -f
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}
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// execute all commands in batch mode.
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for _, cmd := range cmds {
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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 && isCommandPull(cmd.Args) {
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fmt.Printf("Could not pull cache-from image %s. Ignoring...\n", cmd.Args[2])
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} else if err != nil && isCommandPrune(cmd.Args) {
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fmt.Printf("Could not prune system containers. Ignoring...\n")
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} else if err != nil && isCommandRmi(cmd.Args) {
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fmt.Printf("Could not remove image %s. Ignoring...\n", cmd.Args[2])
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} else if err != nil {
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return err
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}
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}
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return nil
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}
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