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Support V2 Manifest Lists (#45)

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* Support V2 Manifest Lists

* Fix breadcrumb navigation for digest tags

* Support BuildX cache images & display extended attributes of manifests
This commit is contained in:
Christoph Honal
2020-02-17 11:11:37 +01:00
committed by GitHub
parent ee38e35ba6
commit 905e760956
3 changed files with 89 additions and 11 deletions
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25
registry/client.go
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@@ -106,8 +106,12 @@ func (c *Client) getToken(scope string) string {
}
// callRegistry make an HTTP request to Docker registry.
func (c *Client) callRegistry(uri, scope string, manifest uint, delete bool) (string, gorequest.Response) {
acceptHeader := fmt.Sprintf("application/vnd.docker.distribution.manifest.v%d+json", manifest)
func (c *Client) callRegistry(uri, scope string, manifest uint, delete bool, list bool) (string, gorequest.Response) {
endpoint := "manifest"
if list {
endpoint = "manifest.list"
}
acceptHeader := fmt.Sprintf("application/vnd.docker.distribution.%s.v%d+json", endpoint, manifest)
authHeader := ""
if c.authURL != "" {
authHeader = fmt.Sprintf("Bearer %s", c.getToken(scope))
@@ -179,7 +183,7 @@ func (c *Client) Repositories(useCache bool) map[string][]string {
uri := "/v2/_catalog"
c.repos = map[string][]string{}
for {
data, resp := c.callRegistry(uri, scope, 2, false)
data, resp := c.callRegistry(uri, scope, 2, false, false)
if data == "" {
return c.repos
}
@@ -212,7 +216,7 @@ func (c *Client) Repositories(useCache bool) map[string][]string {
// Tags get tags for the repo.
func (c *Client) Tags(repo string) []string {
scope := fmt.Sprintf("repository:%s:*", repo)
data, _ := c.callRegistry(fmt.Sprintf("/v2/%s/tags/list", repo), scope, 2, false)
data, _ := c.callRegistry(fmt.Sprintf("/v2/%s/tags/list", repo), scope, 2, false, false)
var tags []string
for _, t := range gjson.Get(data, "tags").Array() {
tags = append(tags, t.String())
@@ -220,10 +224,17 @@ func (c *Client) Tags(repo string) []string {
return tags
}
// Manifests gets manifest list entries for a tag for the repo.
func (c *Client) Manifests(repo string, tag string) []gjson.Result {
scope := fmt.Sprintf("repository:%s:*", repo)
data, _ := c.callRegistry(fmt.Sprintf("/v2/%s/manifests/%s", repo, tag), scope, 2, false, true)
return gjson.Get(data, "manifests").Array()
}
// TagInfo get image info for the repo tag.
func (c *Client) TagInfo(repo, tag string, v1only bool) (rsha256, rinfoV1, rinfoV2 string) {
scope := fmt.Sprintf("repository:%s:*", repo)
infoV1, _ := c.callRegistry(fmt.Sprintf("/v2/%s/manifests/%s", repo, tag), scope, 1, false)
infoV1, _ := c.callRegistry(fmt.Sprintf("/v2/%s/manifests/%s", repo, tag), scope, 1, false, false)
if infoV1 == "" {
return "", "", ""
}
@@ -232,7 +243,7 @@ func (c *Client) TagInfo(repo, tag string, v1only bool) (rsha256, rinfoV1, rinfo
return "", infoV1, ""
}
infoV2, resp := c.callRegistry(fmt.Sprintf("/v2/%s/manifests/%s", repo, tag), scope, 2, false)
infoV2, resp := c.callRegistry(fmt.Sprintf("/v2/%s/manifests/%s", repo, tag), scope, 2, false, false)
digest := resp.Header.Get("Docker-Content-Digest")
if infoV2 == "" || digest == "" {
return "", "", ""
@@ -269,5 +280,5 @@ func (c *Client) CountTags(interval uint8) {
// DeleteTag delete image tag.
func (c *Client) DeleteTag(repo, tag string) {
scope := fmt.Sprintf("repository:%s:*", repo)
c.callRegistry(fmt.Sprintf("/v2/%s/manifests/%s", repo, tag), scope, 2, true)
c.callRegistry(fmt.Sprintf("/v2/%s/manifests/%s", repo, tag), scope, 2, true, false)
}