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238180d292
Pushing manifest v2, schema 1 images has been deprecated in commit
6302dbbf46 (docker 20.10). It's still used in
some tests to provision a legacy registry to test _pulling_ legacy images
(which is still "supported"), but we should no longer have to validate pushing
for other scenarios.
This patch removes the schema 1 push tests, and inlines the code that was
extracted in non-exported functions (for them to be shared between schema 2 and
schema 1 tests).
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
302 lines
12 KiB
Go
302 lines
12 KiB
Go
package main
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import (
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"archive/tar"
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"fmt"
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"net/http"
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"net/http/httptest"
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"os"
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"strings"
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"sync"
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"testing"
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"github.com/docker/distribution/reference"
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"github.com/docker/docker/api/types/versions"
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"github.com/docker/docker/integration-cli/cli/build"
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"gotest.tools/v3/assert"
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"gotest.tools/v3/icmd"
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)
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func (s *DockerRegistrySuite) TestPushBusyboxImage(c *testing.T) {
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repoName := fmt.Sprintf("%v/dockercli/busybox", privateRegistryURL)
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// tag the image to upload it to the private registry
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dockerCmd(c, "tag", "busybox", repoName)
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// push the image to the registry
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dockerCmd(c, "push", repoName)
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}
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// pushing an image without a prefix should throw an error
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func (s *DockerSuite) TestPushUnprefixedRepo(c *testing.T) {
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out, _, err := dockerCmdWithError("push", "busybox")
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assert.ErrorContains(c, err, "", "pushing an unprefixed repo didn't result in a non-zero exit status: %s", out)
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}
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func (s *DockerRegistrySuite) TestPushUntagged(c *testing.T) {
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repoName := fmt.Sprintf("%v/dockercli/busybox", privateRegistryURL)
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expected := "An image does not exist locally with the tag"
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out, _, err := dockerCmdWithError("push", repoName)
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assert.ErrorContains(c, err, "", "pushing the image to the private registry should have failed: output %q", out)
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assert.Assert(c, strings.Contains(out, expected), "pushing the image failed")
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}
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func (s *DockerRegistrySuite) TestPushBadTag(c *testing.T) {
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repoName := fmt.Sprintf("%v/dockercli/busybox:latest", privateRegistryURL)
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expected := "does not exist"
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out, _, err := dockerCmdWithError("push", repoName)
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assert.ErrorContains(c, err, "", "pushing the image to the private registry should have failed: output %q", out)
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assert.Assert(c, strings.Contains(out, expected), "pushing the image failed")
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}
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func (s *DockerRegistrySuite) TestPushMultipleTags(c *testing.T) {
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repoName := fmt.Sprintf("%v/dockercli/busybox", privateRegistryURL)
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repoTag1 := fmt.Sprintf("%v/dockercli/busybox:t1", privateRegistryURL)
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repoTag2 := fmt.Sprintf("%v/dockercli/busybox:t2", privateRegistryURL)
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// tag the image and upload it to the private registry
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dockerCmd(c, "tag", "busybox", repoTag1)
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dockerCmd(c, "tag", "busybox", repoTag2)
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args := []string{"push"}
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if versions.GreaterThanOrEqualTo(DockerCLIVersion(c), "20.10.0") {
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// 20.10 CLI removed implicit push all tags and requires the "--all" flag
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args = append(args, "--all-tags")
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}
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args = append(args, repoName)
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dockerCmd(c, args...)
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imageAlreadyExists := ": Image already exists"
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// Ensure layer list is equivalent for repoTag1 and repoTag2
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out1, _ := dockerCmd(c, "push", repoTag1)
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var out1Lines []string
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for _, outputLine := range strings.Split(out1, "\n") {
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if strings.Contains(outputLine, imageAlreadyExists) {
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out1Lines = append(out1Lines, outputLine)
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}
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}
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out2, _ := dockerCmd(c, "push", repoTag2)
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var out2Lines []string
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for _, outputLine := range strings.Split(out2, "\n") {
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if strings.Contains(outputLine, imageAlreadyExists) {
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out2Lines = append(out2Lines, outputLine)
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}
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}
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assert.DeepEqual(c, out1Lines, out2Lines)
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}
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func (s *DockerRegistrySuite) TestPushEmptyLayer(c *testing.T) {
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repoName := fmt.Sprintf("%v/dockercli/emptylayer", privateRegistryURL)
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emptyTarball, err := os.CreateTemp("", "empty_tarball")
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assert.NilError(c, err, "Unable to create test file")
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tw := tar.NewWriter(emptyTarball)
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err = tw.Close()
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assert.NilError(c, err, "Error creating empty tarball")
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freader, err := os.Open(emptyTarball.Name())
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assert.NilError(c, err, "Could not open test tarball")
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defer freader.Close()
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icmd.RunCmd(icmd.Cmd{
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Command: []string{dockerBinary, "import", "-", repoName},
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Stdin: freader,
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}).Assert(c, icmd.Success)
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// Now verify we can push it
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out, _, err := dockerCmdWithError("push", repoName)
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assert.NilError(c, err, "pushing the image to the private registry has failed: %s", out)
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}
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// TestConcurrentPush pushes multiple tags to the same repo
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// concurrently.
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func (s *DockerRegistrySuite) TestConcurrentPush(c *testing.T) {
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repoName := fmt.Sprintf("%v/dockercli/busybox", privateRegistryURL)
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var repos []string
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for _, tag := range []string{"push1", "push2", "push3"} {
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repo := fmt.Sprintf("%v:%v", repoName, tag)
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buildImageSuccessfully(c, repo, build.WithDockerfile(fmt.Sprintf(`
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FROM busybox
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ENTRYPOINT ["/bin/echo"]
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ENV FOO foo
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ENV BAR bar
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CMD echo %s
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`, repo)))
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repos = append(repos, repo)
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}
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// Push tags, in parallel
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results := make(chan error, len(repos))
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for _, repo := range repos {
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go func(repo string) {
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result := icmd.RunCommand(dockerBinary, "push", repo)
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results <- result.Error
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}(repo)
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}
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for range repos {
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err := <-results
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assert.NilError(c, err, "concurrent push failed with error: %v", err)
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}
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// Clear local images store.
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args := append([]string{"rmi"}, repos...)
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dockerCmd(c, args...)
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// Re-pull and run individual tags, to make sure pushes succeeded
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for _, repo := range repos {
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dockerCmd(c, "pull", repo)
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dockerCmd(c, "inspect", repo)
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out, _ := dockerCmd(c, "run", "--rm", repo)
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assert.Equal(c, strings.TrimSpace(out), "/bin/sh -c echo "+repo)
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}
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}
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func (s *DockerRegistrySuite) TestCrossRepositoryLayerPush(c *testing.T) {
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sourceRepoName := fmt.Sprintf("%v/dockercli/busybox", privateRegistryURL)
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// tag the image to upload it to the private registry
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dockerCmd(c, "tag", "busybox", sourceRepoName)
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// push the image to the registry
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out1, _, err := dockerCmdWithError("push", sourceRepoName)
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assert.NilError(c, err, "pushing the image to the private registry has failed: %s", out1)
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// ensure that none of the layers were mounted from another repository during push
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assert.Assert(c, !strings.Contains(out1, "Mounted from"))
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digest1 := reference.DigestRegexp.FindString(out1)
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assert.Assert(c, len(digest1) > 0, "no digest found for pushed manifest")
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destRepoName := fmt.Sprintf("%v/dockercli/crossrepopush", privateRegistryURL)
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// retag the image to upload the same layers to another repo in the same registry
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dockerCmd(c, "tag", "busybox", destRepoName)
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// push the image to the registry
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out2, _, err := dockerCmdWithError("push", destRepoName)
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assert.NilError(c, err, "pushing the image to the private registry has failed: %s", out2)
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// ensure that layers were mounted from the first repo during push
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assert.Assert(c, strings.Contains(out2, "Mounted from dockercli/busybox"))
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digest2 := reference.DigestRegexp.FindString(out2)
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assert.Assert(c, len(digest2) > 0, "no digest found for pushed manifest")
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assert.Equal(c, digest1, digest2)
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// ensure that pushing again produces the same digest
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out3, _, err := dockerCmdWithError("push", destRepoName)
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assert.NilError(c, err, "pushing the image to the private registry has failed: %s", out3)
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digest3 := reference.DigestRegexp.FindString(out3)
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assert.Assert(c, len(digest3) > 0, "no digest found for pushed manifest")
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assert.Equal(c, digest3, digest2)
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// ensure that we can pull and run the cross-repo-pushed repository
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dockerCmd(c, "rmi", destRepoName)
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dockerCmd(c, "pull", destRepoName)
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out4, _ := dockerCmd(c, "run", destRepoName, "echo", "-n", "hello world")
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assert.Equal(c, out4, "hello world")
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}
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func (s *DockerRegistryAuthHtpasswdSuite) TestPushNoCredentialsNoRetry(c *testing.T) {
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repoName := fmt.Sprintf("%s/busybox", privateRegistryURL)
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dockerCmd(c, "tag", "busybox", repoName)
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out, _, err := dockerCmdWithError("push", repoName)
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assert.ErrorContains(c, err, "", out)
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assert.Assert(c, !strings.Contains(out, "Retrying"))
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assert.Assert(c, strings.Contains(out, "no basic auth credentials"))
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}
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// This may be flaky but it's needed not to regress on unauthorized push, see #21054
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func (s *DockerSuite) TestPushToCentralRegistryUnauthorized(c *testing.T) {
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testRequires(c, Network)
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repoName := "test/busybox"
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dockerCmd(c, "tag", "busybox", repoName)
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out, _, err := dockerCmdWithError("push", repoName)
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assert.ErrorContains(c, err, "", out)
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assert.Assert(c, !strings.Contains(out, "Retrying"))
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}
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func getTestTokenService(status int, body string, retries int) *httptest.Server {
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var mu sync.Mutex
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return httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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mu.Lock()
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if retries > 0 {
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w.WriteHeader(http.StatusServiceUnavailable)
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w.Header().Set("Content-Type", "application/json")
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w.Write([]byte(`{"errors":[{"code":"UNAVAILABLE","message":"cannot create token at this time"}]}`))
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retries--
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} else {
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w.WriteHeader(status)
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w.Header().Set("Content-Type", "application/json")
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w.Write([]byte(body))
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}
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mu.Unlock()
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}))
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}
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func (s *DockerRegistryAuthTokenSuite) TestPushTokenServiceUnauthResponse(c *testing.T) {
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ts := getTestTokenService(http.StatusUnauthorized, `{"errors": [{"Code":"UNAUTHORIZED", "message": "a message", "detail": null}]}`, 0)
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defer ts.Close()
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s.setupRegistryWithTokenService(c, ts.URL)
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repoName := fmt.Sprintf("%s/busybox", privateRegistryURL)
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dockerCmd(c, "tag", "busybox", repoName)
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out, _, err := dockerCmdWithError("push", repoName)
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assert.ErrorContains(c, err, "", out)
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assert.Assert(c, !strings.Contains(out, "Retrying"))
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assert.Assert(c, strings.Contains(out, "unauthorized: a message"))
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}
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func (s *DockerRegistryAuthTokenSuite) TestPushMisconfiguredTokenServiceResponseUnauthorized(c *testing.T) {
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ts := getTestTokenService(http.StatusUnauthorized, `{"error": "unauthorized"}`, 0)
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defer ts.Close()
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s.setupRegistryWithTokenService(c, ts.URL)
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repoName := fmt.Sprintf("%s/busybox", privateRegistryURL)
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dockerCmd(c, "tag", "busybox", repoName)
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out, _, err := dockerCmdWithError("push", repoName)
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assert.ErrorContains(c, err, "", out)
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assert.Assert(c, !strings.Contains(out, "Retrying"))
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split := strings.Split(out, "\n")
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assert.Equal(c, split[len(split)-2], "unauthorized: authentication required")
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}
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func (s *DockerRegistryAuthTokenSuite) TestPushMisconfiguredTokenServiceResponseError(c *testing.T) {
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ts := getTestTokenService(http.StatusTooManyRequests, `{"errors": [{"code":"TOOMANYREQUESTS","message":"out of tokens"}]}`, 3)
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defer ts.Close()
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s.setupRegistryWithTokenService(c, ts.URL)
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repoName := fmt.Sprintf("%s/busybox", privateRegistryURL)
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dockerCmd(c, "tag", "busybox", repoName)
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out, _, err := dockerCmdWithError("push", repoName)
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assert.ErrorContains(c, err, "", out)
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// TODO: isolate test so that it can be guaranteed that the 503 will trigger xfer retries
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//assert.Assert(c, strings.Contains(out, "Retrying"))
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//assert.Assert(c, !strings.Contains(out, "Retrying in 15"))
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split := strings.Split(out, "\n")
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assert.Equal(c, split[len(split)-2], "toomanyrequests: out of tokens")
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}
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func (s *DockerRegistryAuthTokenSuite) TestPushMisconfiguredTokenServiceResponseUnparsable(c *testing.T) {
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ts := getTestTokenService(http.StatusForbidden, `no way`, 0)
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defer ts.Close()
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s.setupRegistryWithTokenService(c, ts.URL)
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repoName := fmt.Sprintf("%s/busybox", privateRegistryURL)
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dockerCmd(c, "tag", "busybox", repoName)
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out, _, err := dockerCmdWithError("push", repoName)
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assert.ErrorContains(c, err, "", out)
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assert.Assert(c, !strings.Contains(out, "Retrying"))
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split := strings.Split(out, "\n")
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assert.Assert(c, strings.Contains(split[len(split)-2], "error parsing HTTP 403 response body: "))
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}
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func (s *DockerRegistryAuthTokenSuite) TestPushMisconfiguredTokenServiceResponseNoToken(c *testing.T) {
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ts := getTestTokenService(http.StatusOK, `{"something": "wrong"}`, 0)
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defer ts.Close()
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s.setupRegistryWithTokenService(c, ts.URL)
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repoName := fmt.Sprintf("%s/busybox", privateRegistryURL)
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dockerCmd(c, "tag", "busybox", repoName)
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out, _, err := dockerCmdWithError("push", repoName)
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assert.ErrorContains(c, err, "", out)
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assert.Assert(c, !strings.Contains(out, "Retrying"))
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split := strings.Split(out, "\n")
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assert.Equal(c, split[len(split)-2], "authorization server did not include a token in the response")
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}
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