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https://github.com/genuinetools/reg.git
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f29941a2ba
- makes debugging configuration issues easier by adding more context instead of misleading "missing signature key" and similar
87 lines
2.4 KiB
Go
87 lines
2.4 KiB
Go
package registry
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import (
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"io/ioutil"
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"net/http"
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"github.com/docker/distribution"
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"github.com/docker/distribution/manifest/manifestlist"
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"github.com/docker/distribution/manifest/schema1"
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"github.com/docker/distribution/manifest/schema2"
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)
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// Manifest returns the manifest for a specific repository:tag.
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func (r *Registry) Manifest(repository, ref string) (distribution.Manifest, error) {
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uri := r.url("/v2/%s/manifests/%s", repository, ref)
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r.Logf("registry.manifests uri=%s repository=%s ref=%s", uri, repository, ref)
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req, err := http.NewRequest("GET", uri, nil)
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if err != nil {
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return nil, err
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}
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req.Header.Add("Accept", schema2.MediaTypeManifest)
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req.Header.Add("Accept", manifestlist.MediaTypeManifestList)
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resp, err := r.Client.Do(req)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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r.Logf("registry.manifests resp.Status=%s, body=%s", resp.Status, body)
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m, _, err := distribution.UnmarshalManifest(resp.Header.Get("Content-Type"), body)
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if err != nil {
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return nil, err
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}
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return m, nil
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}
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// ManifestList gets the registry v2 manifest list.
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func (r *Registry) ManifestList(repository, ref string) (manifestlist.ManifestList, error) {
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uri := r.url("/v2/%s/manifests/%s", repository, ref)
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r.Logf("registry.manifests uri=%s repository=%s ref=%s", uri, repository, ref)
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var m manifestlist.ManifestList
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if _, err := r.getJSON(uri, &m, true); err != nil {
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r.Logf("registry.manifests response=%v", m)
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return m, err
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}
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return m, nil
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}
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// ManifestV2 gets the registry v2 manifest.
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func (r *Registry) ManifestV2(repository, ref string) (schema2.Manifest, error) {
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uri := r.url("/v2/%s/manifests/%s", repository, ref)
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r.Logf("registry.manifests uri=%s repository=%s ref=%s", uri, repository, ref)
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var m schema2.Manifest
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if _, err := r.getJSON(uri, &m, true); err != nil {
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r.Logf("registry.manifests response=%v", m)
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return m, err
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}
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return m, nil
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}
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// ManifestV1 gets the registry v1 manifest.
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func (r *Registry) ManifestV1(repository, ref string) (schema1.SignedManifest, error) {
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uri := r.url("/v2/%s/manifests/%s", repository, ref)
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r.Logf("registry.manifests uri=%s repository=%s ref=%s", uri, repository, ref)
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var m schema1.SignedManifest
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if _, err := r.getJSON(uri, &m, false); err != nil {
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r.Logf("registry.manifests response=%v", m)
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return m, err
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}
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return m, nil
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}
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