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126 lines
3.2 KiB
126 lines
3.2 KiB
package registry
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import (
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"bytes"
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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/schema1"
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"github.com/docker/distribution/manifest/schema2"
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digest "github.com/opencontainers/go-digest"
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)
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func (registry *Registry) Manifest(repository, reference string) (*schema1.SignedManifest, error) {
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url := registry.url("/v2/%s/manifests/%s", repository, reference)
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registry.Logf("registry.manifest.get url=%s repository=%s reference=%s", url, repository, reference)
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req, err := http.NewRequest("GET", url, 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.Set("Accept", schema1.MediaTypeManifest)
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resp, err := registry.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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signedManifest := &schema1.SignedManifest{}
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err = signedManifest.UnmarshalJSON(body)
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if err != nil {
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return nil, err
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}
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return signedManifest, nil
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}
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func (registry *Registry) ManifestV2(repository, reference string) (*schema2.DeserializedManifest, error) {
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url := registry.url("/v2/%s/manifests/%s", repository, reference)
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registry.Logf("registry.manifest.get url=%s repository=%s reference=%s", url, repository, reference)
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req, err := http.NewRequest("GET", url, 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.Set("Accept", schema2.MediaTypeManifest)
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resp, err := registry.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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deserialized := &schema2.DeserializedManifest{}
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err = deserialized.UnmarshalJSON(body)
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if err != nil {
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return nil, err
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}
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return deserialized, nil
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}
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func (registry *Registry) ManifestDigest(repository, reference string) (digest.Digest, error) {
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url := registry.url("/v2/%s/manifests/%s", repository, reference)
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registry.Logf("registry.manifest.head url=%s repository=%s reference=%s", url, repository, reference)
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resp, err := registry.Client.Head(url)
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if resp != nil {
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defer resp.Body.Close()
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}
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if err != nil {
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return "", err
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}
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return digest.Parse(resp.Header.Get("Docker-Content-Digest"))
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}
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func (registry *Registry) DeleteManifest(repository string, digest digest.Digest) error {
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url := registry.url("/v2/%s/manifests/%s", repository, digest)
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registry.Logf("registry.manifest.delete url=%s repository=%s reference=%s", url, repository, digest)
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req, err := http.NewRequest("DELETE", url, nil)
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if err != nil {
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return err
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}
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resp, err := registry.Client.Do(req)
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if resp != nil {
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defer resp.Body.Close()
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}
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if err != nil {
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return err
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}
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return nil
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}
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func (registry *Registry) PutManifest(repository, reference string, manifest distribution.Manifest) error {
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url := registry.url("/v2/%s/manifests/%s", repository, reference)
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registry.Logf("registry.manifest.put url=%s repository=%s reference=%s", url, repository, reference)
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mediaType, payload, err := manifest.Payload()
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if err != nil {
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return err
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}
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buffer := bytes.NewBuffer(payload)
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req, err := http.NewRequest("PUT", url, buffer)
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if err != nil {
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return err
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}
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req.Header.Set("Content-Type", mediaType)
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resp, err := registry.Client.Do(req)
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if resp != nil {
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defer resp.Body.Close()
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}
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return err
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}
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