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labels: Add LabelDistributionSource

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Add a public const for "containerd.io/distribution.source" in `labels`
package and replace hardcoded usages.

Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>
This commit is contained in:
Paweł Gronowski
2023-03-07 17:06:27 +01:00
parent 29e10a192a
commit dd3eedf3c3
5 changed files with 13 additions and 11 deletions
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7
remotes/docker/handler.go
View File

@@ -30,11 +30,6 @@ import (
ocispec "github.com/opencontainers/image-spec/specs-go/v1"
)
var (
// labelDistributionSource describes the source blob comes from.
labelDistributionSource = "containerd.io/distribution.source"
)
// AppendDistributionSourceLabel updates the label of blob with distribution source.
func AppendDistributionSourceLabel(manager content.Manager, ref string) (images.HandlerFunc, error) {
refspec, err := reference.Parse(ref)
@@ -108,7 +103,7 @@ func appendDistributionSourceLabel(originLabel, repo string) string {
}
func distributionSourceLabelKey(source string) string {
return fmt.Sprintf("%s.%s", labelDistributionSource, source)
return fmt.Sprintf("%s.%s", labels.LabelDistributionSource, source)
}
// selectRepositoryMountCandidate will select the repo which has longest

7
remotes/docker/handler_test.go
View File

@@ -20,6 +20,7 @@ import (
"reflect"
"testing"
"github.com/containerd/containerd/labels"
"github.com/containerd/containerd/reference"
)
@@ -69,7 +70,7 @@ func TestAppendDistributionLabel(t *testing.T) {
}
func TestDistributionSourceLabelKey(t *testing.T) {
expected := "containerd.io/distribution.source.testsource"
expected := labels.LabelDistributionSource + ".testsource"
if got := distributionSourceLabelKey("testsource"); !reflect.DeepEqual(got, expected) {
t.Fatalf("expected %v, but got %v", expected, got)
}
@@ -116,12 +117,12 @@ func TestSelectRepositoryMountCandidate(t *testing.T) {
},
{
refspec: reference.Spec{Locator: "user@host/path"},
source: map[string]string{"containerd.io/distribution.source.host": "foo,path,bar"},
source: map[string]string{labels.LabelDistributionSource + ".host": "foo,path,bar"},
expected: "bar",
},
{
refspec: reference.Spec{Locator: "user@host/path"},
source: map[string]string{"containerd.io/distribution.source.host": "foo,bar,path"},
source: map[string]string{labels.LabelDistributionSource + ".host": "foo,bar,path"},
expected: "bar",
},
} {