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integration test: sync k8s.gcr.io/pause instead of docker.io/alpine
Do repository synchronization tests using k8s.gcr.io/pause and
k8s.gcr.io/coredns/coredns instead of docker.io/alpine.
The k8s.gcr.io/pause repository includes multiple tags, at least one of
which is a single image ("1.0"), and at least one of which is a manifest
list ("3.2", "3.3"), and includes a "latest" tag.
The k8s.gcr.io/coredns/coredns repository includes multiple tags, at
least one of which is a single image ("v1.6.6"), and at least one of which
is a manifest list ("v1.8.0").
Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>
This commit is contained in:
Nalin Dahyabhai
parent
b3a15e7288
commit
6ee4b2dc84
@ -11,10 +11,26 @@ import (
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"strings"
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"github.com/containers/image/v5/docker"
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"github.com/containers/image/v5/docker/reference"
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"github.com/containers/image/v5/types"
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"github.com/go-check/check"
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)
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const (
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// A repository with a path with multiple components in it which
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// contains multiple tags, preferably with some tags pointing to
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// manifest lists, and with some tags that don't.
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pullableRepo = "k8s.gcr.io/coredns/coredns"
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// A tagged image in the repository that we can inspect and copy.
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pullableTaggedImage = "k8s.gcr.io/coredns/coredns:v1.6.6"
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// A tagged manifest list in the repository that we can inspect and copy.
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pullableTaggedManifestList = "k8s.gcr.io/coredns/coredns:v1.8.0"
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// A repository containing multiple tags, some of which are for
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// manifest lists, and which includes a "latest" tag. We specify the
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// name here without a tag.
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pullableRepoWithLatestTag = "k8s.gcr.io/pause"
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)
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func init() {
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check.Suite(&SyncSuite{})
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}
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@ -95,7 +111,7 @@ func (s *SyncSuite) TestDocker2DirTagged(c *check.C) {
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defer os.RemoveAll(tmpDir)
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// FIXME: It would be nice to use one of the local Docker registries instead of needing an Internet connection.
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image := "busybox:latest"
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image := pullableTaggedImage
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imageRef, err := docker.ParseReference(fmt.Sprintf("//%s", image))
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c.Assert(err, check.IsNil)
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imagePath := imageRef.DockerReference().String()
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@ -123,7 +139,7 @@ func (s *SyncSuite) TestDocker2DirTaggedAll(c *check.C) {
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defer os.RemoveAll(tmpDir)
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// FIXME: It would be nice to use one of the local Docker registries instead of needing an Internet connection.
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image := "busybox:latest"
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image := pullableTaggedManifestList
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imageRef, err := docker.ParseReference(fmt.Sprintf("//%s", image))
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c.Assert(err, check.IsNil)
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imagePath := imageRef.DockerReference().String()
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@ -147,7 +163,7 @@ func (s *SyncSuite) TestDocker2DirTaggedAll(c *check.C) {
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func (s *SyncSuite) TestScoped(c *check.C) {
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// FIXME: It would be nice to use one of the local Docker registries instead of needing an Internet connection.
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image := "busybox:latest"
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image := pullableTaggedImage
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imageRef, err := docker.ParseReference(fmt.Sprintf("//%s", image))
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c.Assert(err, check.IsNil)
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imagePath := imageRef.DockerReference().String()
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@ -155,7 +171,7 @@ func (s *SyncSuite) TestScoped(c *check.C) {
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dir1, err := ioutil.TempDir("", "skopeo-sync-test")
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c.Assert(err, check.IsNil)
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assertSkopeoSucceeds(c, "", "sync", "--src", "docker", "--dest", "dir", image, dir1)
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_, err = os.Stat(path.Join(dir1, image, "manifest.json"))
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_, err = os.Stat(path.Join(dir1, path.Base(imagePath), "manifest.json"))
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c.Assert(err, check.IsNil)
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assertSkopeoSucceeds(c, "", "sync", "--scoped", "--src", "docker", "--dest", "dir", image, dir1)
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@ -167,29 +183,29 @@ func (s *SyncSuite) TestScoped(c *check.C) {
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func (s *SyncSuite) TestDirIsNotOverwritten(c *check.C) {
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// FIXME: It would be nice to use one of the local Docker registries instead of needing an Internet connection.
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image := "busybox:latest"
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image := pullableRepoWithLatestTag
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imageRef, err := docker.ParseReference(fmt.Sprintf("//%s", image))
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c.Assert(err, check.IsNil)
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imagePath := imageRef.DockerReference().String()
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// make a copy of the image in the local registry
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assertSkopeoSucceeds(c, "", "copy", "--dest-tls-verify=false", "docker://"+image, "docker://"+path.Join(v2DockerRegistryURL, image))
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assertSkopeoSucceeds(c, "", "copy", "--dest-tls-verify=false", "docker://"+image, "docker://"+path.Join(v2DockerRegistryURL, reference.Path(imageRef.DockerReference())))
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//sync upstream image to dir, not scoped
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dir1, err := ioutil.TempDir("", "skopeo-sync-test")
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c.Assert(err, check.IsNil)
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assertSkopeoSucceeds(c, "", "sync", "--src", "docker", "--dest", "dir", image, dir1)
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_, err = os.Stat(path.Join(dir1, image, "manifest.json"))
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_, err = os.Stat(path.Join(dir1, path.Base(imagePath), "manifest.json"))
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c.Assert(err, check.IsNil)
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//sync local registry image to dir, not scoped
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assertSkopeoFails(c, ".*Refusing to overwrite destination directory.*", "sync", "--src-tls-verify=false", "--src", "docker", "--dest", "dir", path.Join(v2DockerRegistryURL, image), dir1)
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assertSkopeoFails(c, ".*Refusing to overwrite destination directory.*", "sync", "--src-tls-verify=false", "--src", "docker", "--dest", "dir", path.Join(v2DockerRegistryURL, reference.Path(imageRef.DockerReference())), dir1)
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//sync local registry image to dir, scoped
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imageRef, err = docker.ParseReference(fmt.Sprintf("//%s", path.Join(v2DockerRegistryURL, image)))
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imageRef, err = docker.ParseReference(fmt.Sprintf("//%s", path.Join(v2DockerRegistryURL, reference.Path(imageRef.DockerReference()))))
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c.Assert(err, check.IsNil)
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imagePath = imageRef.DockerReference().String()
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assertSkopeoSucceeds(c, "", "sync", "--scoped", "--src-tls-verify=false", "--src", "docker", "--dest", "dir", path.Join(v2DockerRegistryURL, image), dir1)
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assertSkopeoSucceeds(c, "", "sync", "--scoped", "--src-tls-verify=false", "--src", "docker", "--dest", "dir", path.Join(v2DockerRegistryURL, reference.Path(imageRef.DockerReference())), dir1)
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_, err = os.Stat(path.Join(dir1, imagePath, "manifest.json"))
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c.Assert(err, check.IsNil)
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os.RemoveAll(dir1)
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@ -202,7 +218,7 @@ func (s *SyncSuite) TestDocker2DirUntagged(c *check.C) {
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defer os.RemoveAll(tmpDir)
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// FIXME: It would be nice to use one of the local Docker registries instead of needing an Internet connection.
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image := "alpine"
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image := pullableRepo
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imageRef, err := docker.ParseReference(fmt.Sprintf("//%s", image))
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c.Assert(err, check.IsNil)
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imagePath := imageRef.DockerReference().String()
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@ -226,7 +242,7 @@ func (s *SyncSuite) TestYamlUntagged(c *check.C) {
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defer os.RemoveAll(tmpDir)
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dir1 := path.Join(tmpDir, "dir1")
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image := "alpine"
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image := pullableRepo
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imageRef, err := docker.ParseReference(fmt.Sprintf("//%s", image))
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c.Assert(err, check.IsNil)
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imagePath := imageRef.DockerReference().Name()
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@ -237,23 +253,22 @@ func (s *SyncSuite) TestYamlUntagged(c *check.C) {
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c.Check(len(tags), check.Not(check.Equals), 0)
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yamlConfig := fmt.Sprintf(`
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docker.io:
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%s:
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images:
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%s:
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`, image)
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%s: []
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`, reference.Domain(imageRef.DockerReference()), reference.Path(imageRef.DockerReference()))
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//sync to the local reg
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// sync to the local registry
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yamlFile := path.Join(tmpDir, "registries.yaml")
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ioutil.WriteFile(yamlFile, []byte(yamlConfig), 0644)
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assertSkopeoSucceeds(c, "", "sync", "--scoped", "--src", "yaml", "--dest", "docker", "--dest-tls-verify=false", yamlFile, v2DockerRegistryURL)
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// sync back from local reg to a folder
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// sync back from local registry to a folder
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os.Remove(yamlFile)
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yamlConfig = fmt.Sprintf(`
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%s:
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tls-verify: false
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images:
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%s:
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%s: []
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`, v2DockerRegistryURL, imagePath)
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ioutil.WriteFile(yamlFile, []byte(yamlConfig), 0644)
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@ -292,9 +307,9 @@ func (s *SyncSuite) TestYamlRegex2Dir(c *check.C) {
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dir1 := path.Join(tmpDir, "dir1")
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yamlConfig := `
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docker.io:
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k8s.gcr.io:
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images-by-tag-regex:
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nginx: ^1\.13\.[12]-alpine-perl$ # regex string test
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pause: ^[12]\.0$ # regex string test
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`
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// the ↑ regex strings always matches only 2 images
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var nTags = 2
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@ -326,10 +341,10 @@ func (s *SyncSuite) TestYamlDigest2Dir(c *check.C) {
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dir1 := path.Join(tmpDir, "dir1")
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yamlConfig := `
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docker.io:
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k8s.gcr.io:
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images:
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redis:
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- sha256:61ce79d60150379787d7da677dcb89a7a047ced63406e29d6b2677b2b2163e92
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pause:
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- sha256:59eec8837a4d942cc19a52b8c09ea75121acc38114a2c68b98983ce9356b8610
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`
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yamlFile := path.Join(tmpDir, "registries.yaml")
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ioutil.WriteFile(yamlFile, []byte(yamlConfig), 0644)
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@ -357,21 +372,21 @@ func (s *SyncSuite) TestYaml2Dir(c *check.C) {
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dir1 := path.Join(tmpDir, "dir1")
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yamlConfig := `
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docker.io:
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k8s.gcr.io:
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images:
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busybox:
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- latest
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- musl
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alpine:
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- edge
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- 3.8
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opensuse/leap:
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coredns/coredns:
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- v1.8.0
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- v1.7.1
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k8s-dns-kube-dns:
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- 1.14.12
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- 1.14.13
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pause:
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- latest
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quay.io:
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images:
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quay/busybox:
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- latest`
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quay/busybox:
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- latest`
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// get the number of tags
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re := regexp.MustCompile(`^ +- +[^:/ ]+`)
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@ -408,7 +423,7 @@ func (s *SyncSuite) TestYamlTLSVerify(c *check.C) {
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c.Assert(err, check.IsNil)
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defer os.RemoveAll(tmpDir)
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dir1 := path.Join(tmpDir, "dir1")
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image := "busybox"
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image := pullableRepoWithLatestTag
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tag := "latest"
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// FIXME: It would be nice to use one of the local Docker registries instead of needing an Internet connection.
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@ -465,7 +480,7 @@ func (s *SyncSuite) TestDocker2DockerTagged(c *check.C) {
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defer os.RemoveAll(tmpDir)
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// FIXME: It would be nice to use one of the local Docker registries instead of needing an Internet connection.
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image := "busybox:latest"
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image := pullableTaggedImage
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imageRef, err := docker.ParseReference(fmt.Sprintf("//%s", image))
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c.Assert(err, check.IsNil)
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imagePath := imageRef.DockerReference().String()
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@ -498,7 +513,7 @@ func (s *SyncSuite) TestDir2DockerTagged(c *check.C) {
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defer os.RemoveAll(tmpDir)
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// FIXME: It would be nice to use one of the local Docker registries instead of needing an Internet connection.
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image := "busybox:latest"
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image := pullableRepoWithLatestTag
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dir1 := path.Join(tmpDir, "dir1")
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err = os.Mkdir(dir1, 0755)
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@ -507,6 +522,10 @@ func (s *SyncSuite) TestDir2DockerTagged(c *check.C) {
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err = os.Mkdir(dir2, 0755)
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c.Assert(err, check.IsNil)
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// create leading dirs
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err = os.MkdirAll(path.Dir(path.Join(dir1, image)), 0755)
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c.Assert(err, check.IsNil)
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// copy docker => dir
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assertSkopeoSucceeds(c, "", "copy", "docker://"+image, "dir:"+path.Join(dir1, image))
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_, err = os.Stat(path.Join(dir1, image, "manifest.json"))
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@ -515,9 +534,13 @@ func (s *SyncSuite) TestDir2DockerTagged(c *check.C) {
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// sync dir => docker
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assertSkopeoSucceeds(c, "", "sync", "--scoped", "--dest-tls-verify=false", "--src", "dir", "--dest", "docker", dir1, v2DockerRegistryURL)
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// create leading dirs
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err = os.MkdirAll(path.Dir(path.Join(dir2, image)), 0755)
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c.Assert(err, check.IsNil)
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// copy docker => dir
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assertSkopeoSucceeds(c, "", "copy", "--src-tls-verify=false", localRegURL+image, "dir:"+path.Join(dir2, image))
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_, err = os.Stat(path.Join(path.Join(dir2, image), "manifest.json"))
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_, err = os.Stat(path.Join(dir2, image, "manifest.json"))
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c.Assert(err, check.IsNil)
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out := combinedOutputOfCommand(c, "diff", "-urN", dir1, dir2)
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