Created
October 5, 2017 22:13
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docker reg experimentation
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package main | |
import ( | |
"io/ioutil" | |
"os" | |
"github.com/heroku/docker-registry-client/registry" | |
) | |
func bail(err error) { | |
println(err.Error()) | |
os.Exit(1) | |
} | |
func main() { | |
hub, err := registry.New("https://registry-1.docker.io/", "", "") | |
hub.Logf = registry.Quiet | |
if err != nil { | |
bail(err) | |
} | |
tags, err := hub.Tags("weaveworks/scope") | |
if err != nil { | |
bail(err) | |
} | |
tag := tags[500] | |
manifest, err := hub.ManifestV2("weaveworks/scope", tag) | |
if err != nil { | |
bail(err) | |
} | |
confDesc := manifest.Config() | |
reader, err := hub.DownloadLayer("weaveworks/scope", confDesc.Digest) | |
if err != nil { | |
bail(err) | |
} | |
if reader != nil { | |
defer reader.Close() | |
} | |
bytes, err := ioutil.ReadAll(reader) | |
if err != nil { | |
bail(err) | |
} | |
println(string(bytes)) | |
} |
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