103 lines
2.3 KiB
Go
103 lines
2.3 KiB
Go
package maker
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import (
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"context"
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"os/exec"
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"gitea.loveuer.com/yizhisec/pkg3/logger"
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"github.com/samber/lo"
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)
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type imageOpt struct {
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Fallbacks []string
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IgnoreFailure bool
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ForcePull bool
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Save string
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}
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type ImageOpt func(*imageOpt)
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func WithImageFallback(fallbacks ...string) ImageOpt {
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return func(o *imageOpt) {
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o.Fallbacks = lo.Filter(fallbacks, func(item string, _ int) bool { return item != "" })
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}
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}
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func WithImageSave(filename string) ImageOpt {
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return func(o *imageOpt) {
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o.Save = filename
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}
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}
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func WithImageForcePull() ImageOpt {
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return func(o *imageOpt) {
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o.ForcePull = true
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}
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}
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func (m *maker) Image(ctx context.Context, name string, opts ...ImageOpt) error {
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logger.Info("开始获取镜像: %s", name)
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var (
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err error
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o = &imageOpt{}
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_cmd *exec.Cmd
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)
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for _, fn := range opts {
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fn(o)
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}
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logger.Debug("maker.Image: name = %s, opt = %#v", name, o)
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if !o.ForcePull {
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_cmd = exec.CommandContext(ctx, "docker", "image", "inspect", name)
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if err = _cmd.Run(); err == nil {
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logger.Info("💾 镜像 %s 已存在", name)
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goto SAVE
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}
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}
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_cmd = exec.CommandContext(ctx, "docker", "pull", name)
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if err = _cmd.Run(); err != nil {
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logger.Debug("获取原始镜像 %s 失败： %v", name, err)
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} else {
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logger.Info("✅ 成功获取镜像: %s", name)
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goto SAVE
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}
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for _, fallback := range o.Fallbacks {
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logger.Info("开始获取镜像: %s (%s)", name, fallback)
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_cmd := exec.CommandContext(ctx, "docker", "pull", fallback)
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if err = _cmd.Run(); err != nil {
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logger.Debug("获取镜像 %s (%s) 失败: %v", name, fallback, err)
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continue
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}
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// pull success, retag image
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_cmd = exec.CommandContext(ctx, "docker", "tag", fallback, name)
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if err = _cmd.Run(); err != nil {
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logger.Debug("重命名镜像 %s => %s 失败: %s", fallback, name, err)
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continue
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}
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logger.Info("✅ 成功获取镜像: %s (%s)", name, fallback)
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break
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}
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SAVE:
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if o.Save != "" {
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logger.Debug("保存镜像 %s 到 %s", name, o.Save)
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if err = exec.CommandContext(ctx, "docker", "save", "-o", o.Save, name).Run(); err != nil {
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logger.Debug("保存镜像 %s 到 %s 失败: %v", name, o.Save, err)
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} else {
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logger.Info("✅ 镜像 %s 保存到 %s 成功", name, o.Save)
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}
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}
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if o.IgnoreFailure {
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return nil
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}
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return err
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}
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