86 lines
1.7 KiB
Go
86 lines
1.7 KiB
Go
package main
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import (
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"context"
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"flag"
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"fmt"
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"os"
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"sort"
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"strings"
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"sync"
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"text/tabwriter"
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)
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const listHelp = `List all repositories.`
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func (cmd *listCommand) Name() string { return "ls" }
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func (cmd *listCommand) Args() string { return "[OPTIONS] REGISTRY_DOMAIN" }
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func (cmd *listCommand) ShortHelp() string { return listHelp }
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func (cmd *listCommand) LongHelp() string { return listHelp }
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func (cmd *listCommand) Hidden() bool { return false }
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func (cmd *listCommand) Register(fs *flag.FlagSet) {}
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type listCommand struct{}
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func (cmd *listCommand) Run(ctx context.Context, args []string) error {
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if len(args) < 1 {
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return fmt.Errorf("pass the domain of the registry")
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}
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// Create the registry client.
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r, err := createRegistryClient(args[0])
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if err != nil {
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return err
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}
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// Get the repositories via catalog.
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repos, err := r.Catalog("")
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if err != nil {
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return err
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}
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sort.Strings(repos)
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fmt.Printf("Repositories for %s\n", r.Domain)
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var (
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l sync.Mutex
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wg sync.WaitGroup
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repoTags = map[string][]string{}
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)
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wg.Add(len(repos))
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for _, repo := range repos {
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go func(repo string) {
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// Get the tags.
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tags, err := r.Tags(repo)
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if err != nil {
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fmt.Printf("Get tags of [%s] error: %s", repo, err)
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}
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// Sort the tags
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sort.Strings(tags)
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// Lock on the write to the map.
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l.Lock()
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repoTags[repo] = tags
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l.Unlock()
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wg.Done()
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}(repo)
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}
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wg.Wait()
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// Setup the tab writer.
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w := tabwriter.NewWriter(os.Stdout, 20, 1, 3, ' ', 0)
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// Print header.
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fmt.Fprintln(w, "REPO\tTAGS")
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// Sort the repos.
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for _, repo := range repos {
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w.Write([]byte(fmt.Sprintf("%s\t%s\n", repo, strings.Join(repoTags[repo], ", "))))
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}
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w.Flush()
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return nil
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}
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