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Add option to fetch Docker-Content-Digest
Code reused from manifest.go; this one is helpful to figure out if tags have changed
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3 changed files with 47 additions and 0 deletions
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@ -46,6 +46,7 @@ AUTHOR:
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COMMANDS:
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delete, rm delete a specific reference of a repository
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digest get the Docker-Content-Digest
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layer, download download a layer for the specific reference of a repository
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list, ls list all repositories
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manifest get the json manifest for the specific reference of a repository
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@ -102,6 +103,12 @@ latest
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stable
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```
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## Get the Docker-Content-Digest
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```console
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$ reg digest htop
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"sha256:791158756cc0f5b27ef8c5c546284568fc9b7f4cf1429fb736aff3ee2d2e340f"
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```
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## Get a Manifest
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```console
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39
digest.go
Normal file
39
digest.go
Normal file
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@ -0,0 +1,39 @@
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package main
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import (
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"encoding/json"
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"fmt"
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"github.com/genuinetools/reg/repoutils"
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"github.com/urfave/cli"
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)
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var digestCommand = cli.Command{
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Name: "digest",
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Usage: "get the Docker-Content-Digest",
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Action: func(c *cli.Context) error {
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if len(c.Args()) < 1 {
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return fmt.Errorf("pass the name of the repository")
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}
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repo, ref, err := repoutils.GetRepoAndRef(c.Args()[0])
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if err != nil {
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return err
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}
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var digest interface{}
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digest, err = r.Digest(repo, ref)
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if err != nil {
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return err
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}
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b, err := json.MarshalIndent(digest, " ", " ")
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if err != nil {
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return err
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}
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fmt.Println(string(b))
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return nil
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},
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}
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1
main.go
1
main.go
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@ -57,6 +57,7 @@ func main() {
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app.Commands = []cli.Command{
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deleteCommand,
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digestCommand,
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layerCommand,
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listCommand,
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manifestCommand,
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