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Unpack local image (#277)

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* [WIP] Unpack local docker images

* unpack local image

* PR feedback + missing new function call

Co-authored-by: Ettore Di Giacinto <mudler@users.noreply.github.com>
This commit is contained in:
Ludea
2021-12-26 20:06:15 +01:00
committed by GitHub
parent 7f7e1418c1
commit 4c1b9b92af
2 changed files with 76 additions and 8 deletions
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26
cmd/util.go
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@@ -89,7 +89,7 @@ func NewUnpackCommand() *cobra.Command {
Use: "unpack image path",
Short: "Unpack a docker image natively",
Long: `unpack doesn't need the docker daemon to run, and unpacks a docker image in the specified directory:
luet util unpack golang:alpine /alpine
`,
PreRun: func(cmd *cobra.Command, args []string) {
@@ -107,7 +107,7 @@ func NewUnpackCommand() *cobra.Command {
util.DefaultContext.Error("Invalid path %s", destination)
os.Exit(1)
}
local, _ := cmd.Flags().GetBool("local")
verify, _ := cmd.Flags().GetBool("verify")
user, _ := cmd.Flags().GetString("auth-username")
pass, _ := cmd.Flags().GetString("auth-password")
@@ -126,13 +126,22 @@ func NewUnpackCommand() *cobra.Command {
RegistryToken: registryToken,
}
info, err := docker.DownloadAndExtractDockerImage(util.DefaultContext, image, destination, auth, verify)
if err != nil {
util.DefaultContext.Error(err.Error())
os.Exit(1)
if !local {
info, err := docker.DownloadAndExtractDockerImage(util.DefaultContext, image, destination, auth, verify)
if err != nil {
util.DefaultContext.Error(err.Error())
os.Exit(1)
}
util.DefaultContext.Info(fmt.Sprintf("Pulled: %s %s", info.Target.Digest, info.Name))
util.DefaultContext.Info(fmt.Sprintf("Size: %s", units.BytesSize(float64(info.Target.Size))))
} else {
info, err := docker.ExtractDockerImage(util.DefaultContext, image, destination)
if err != nil {
util.DefaultContext.Error(err.Error())
os.Exit(1)
}
util.DefaultContext.Info(fmt.Sprintf("Size: %s", units.BytesSize(float64(info.Target.Size))))
}
util.DefaultContext.Info(fmt.Sprintf("Pulled: %s %s", info.Target.Digest, info.Name))
util.DefaultContext.Info(fmt.Sprintf("Size: %s", units.BytesSize(float64(info.Target.Size))))
},
}
@@ -143,6 +152,7 @@ func NewUnpackCommand() *cobra.Command {
c.Flags().String("auth-identity-token", "", "Authentication identity token")
c.Flags().String("auth-registry-token", "", "Authentication registry token")
c.Flags().Bool("verify", false, "Verify signed images to notary before to pull")
c.Flags().Bool("local", false, "Unpack local image")
return c
}