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Signed-off-by: Ravi Chamarthy <[email protected]>
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@@ -17,6 +17,7 @@ | |
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| # Dependency directories (remove the comment below to include it) | ||
| tools/ | ||
| bin/ | ||
| .gofmt | ||
| .lint | ||
| .build | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,101 @@ | ||
| package main | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
| "strings" | ||
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| "github.com/k0kubun/go-ansi" | ||
| "github.com/schollz/progressbar/v3" | ||
| "github.com/urfave/cli/v2" | ||
| ) | ||
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| func doFetchTags(c *cli.Context) error { | ||
| if c.NArg() < 1 { | ||
| return fmt.Errorf("regsistry URL must be specified") | ||
| } | ||
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| registry := c.Args().Get(0) | ||
| prefixes := []string{} | ||
| out := getKnowLayersFilename() | ||
| if c.NArg() >= 1 { | ||
| p := c.Args().Get(1) | ||
| prefixes = strings.Split(p, ",") | ||
| } | ||
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| if c.NArg() >= 2 { | ||
| out = c.Args().Get(2) | ||
| } | ||
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| reg := NewReg(registry, prefixes) | ||
| ctx := context.Background() | ||
| l, e := reg.GetRepoList(ctx, prefixes) | ||
| if e != nil { | ||
| return e | ||
| } | ||
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| entries := LayerNameHashEntries{} | ||
| repos := []*Repo{} | ||
| bar := progressbar.NewOptions(len(l.Repositories), | ||
| progressbar.OptionSetWriter(ansi.NewAnsiStdout()), | ||
| progressbar.OptionEnableColorCodes(true), | ||
| progressbar.OptionShowBytes(true), | ||
| progressbar.OptionSetWidth(15), | ||
| progressbar.OptionSetDescription("[cyan][1/2][reset] Fetching Repositories"), | ||
| progressbar.OptionSetTheme(progressbar.Theme{ | ||
| Saucer: "[green]=[reset]", | ||
| SaucerHead: "[green]>[reset]", | ||
| SaucerPadding: " ", | ||
| BarStart: "[", | ||
| BarEnd: "]", | ||
| })) | ||
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| repoChan := make(chan RepoError, 16) | ||
| go reg.FetchRepoInfos(l, repoChan) | ||
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| for repo := range repoChan { | ||
| r, e := repo.Repo, repo.Err | ||
| if e != nil { | ||
| return e | ||
| } | ||
| if e := bar.Add(1); e != nil { | ||
| return e | ||
| } | ||
| repos = append(repos, r) | ||
| } | ||
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| totalTags := 0 | ||
| for _, r := range repos { | ||
| totalTags += len(r.Tags) | ||
| } | ||
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| bar = progressbar.NewOptions(totalTags, | ||
| progressbar.OptionSetWriter(ansi.NewAnsiStdout()), | ||
| progressbar.OptionEnableColorCodes(true), | ||
| progressbar.OptionShowBytes(true), | ||
| progressbar.OptionSetWidth(15), | ||
| progressbar.OptionSetDescription("[cyan][2/2][reset] Fetching Image Tags"), | ||
| progressbar.OptionSetTheme(progressbar.Theme{ | ||
| Saucer: "[green]=[reset]", | ||
| SaucerHead: "[green]>[reset]", | ||
| SaucerPadding: " ", | ||
| BarStart: "[", | ||
| BarEnd: "]", | ||
| })) | ||
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| tagChan := make(chan LayerEntryError, 64) | ||
| go reg.FetchLayerEntries(repos, tagChan) | ||
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| for entryErr := range tagChan { | ||
| entry, err := entryErr.Entry, entryErr.Err | ||
| if err != nil { | ||
| return err | ||
| } | ||
| if e := bar.Add(1); e != nil { | ||
| return e | ||
| } | ||
| entries = append(entries, entry) | ||
| } | ||
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| return entries.Save(out) | ||
| } |
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