github/linuxkit
1
0
Fork 0
mirror of https://github.com/linuxkit/linuxkit.git synced 2025-07-22 02:21:34 +00:00
Code Issues Projects Releases Wiki Activity

do not push if the tag and digest are identical

Browse Source 
Signed-off-by: Avi Deitcher <avi@deitcher.net>
This commit is contained in:
Avi Deitcher 2022-06-07 10:45:29 +03:00
parent 6cd8a874a6
commit 02fd6c48ee
1 changed files with 22 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
src/cmd/linuxkit/cache/push.go vendored
View File

@ -29,16 +29,38 @@ func (p *Provider) Push(name string) error {
return err return err
} }
options = append(options, remote.WithAuthFromKeychain(authn.DefaultKeychain)) options = append(options, remote.WithAuthFromKeychain(authn.DefaultKeychain))
img, err1 := root.Image() img, err1 := root.Image()
ii, err2 := root.ImageIndex() ii, err2 := root.ImageIndex()
// before we even try to push, let us see if it exists remotely
remoteOptions := []remote.Option{remote.WithAuthFromKeychain(authn.DefaultKeychain)}
switch { switch {
case err1 == nil: case err1 == nil:
dig, err := img.Digest()
if err != nil {
return fmt.Errorf("could not get digest for image %s: %v", name, err)
}
desc, err := remote.Get(ref, remoteOptions...)
if err == nil && desc != nil && dig == desc.Digest {
fmt.Printf("%s image already available on remote registry, skipping push", name)
return nil
}
log.Debugf("pushing image %s", name) log.Debugf("pushing image %s", name)
if err := remote.Write(ref, img, options...); err != nil { if err := remote.Write(ref, img, options...); err != nil {
return err return err
} }
fmt.Printf("Pushed image %s\n", name) fmt.Printf("Pushed image %s\n", name)
case err2 == nil: case err2 == nil:
dig, err := ii.Digest()
if err != nil {
return fmt.Errorf("could not get digest for index %s: %v", name, err)
}
desc, err := remote.Get(ref, remoteOptions...)
if err == nil && desc != nil && dig == desc.Digest {
fmt.Printf("%s index already available on remote registry, skipping push", name)
return nil
}
log.Debugf("pushing index %s", name) log.Debugf("pushing index %s", name)
// this is an index, so we not only want to write the index, but tags for each arch-specific image in it // this is an index, so we not only want to write the index, but tags for each arch-specific image in it
if err := remote.WriteIndex(ref, ii, options...); err != nil { if err := remote.WriteIndex(ref, ii, options...); err != nil {