Update image pull tests

Update and migrate existing tests to the `DockerHubPullSuite`. Most
tests were preserved, but refactored and made more exhaustive. One test
was deliberately removed (`TestPullVerified`) as it is unreliable and
that the feature was obsoleted by content trust.

Move all trust related tests to `docker_cli_pull_trusted_test.go`.

Move tests depending on a local registry to `docker_cli_pull_local_test.go`.

Signed-off-by: Arnaud Porterie <arnaud.porterie@docker.com>

integration-cli/docker_cli_pull_local_test.go

@@ -0,0 +1,39 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/go-check/check"
+)
+
+// TestPullImageWithAliases pulls a specific image tag and verifies that any aliases (i.e., other
+// tags for the same image) are not also pulled down.
+//
+// Ref: docker/docker#8141
+func (s *DockerRegistrySuite) TestPullImageWithAliases(c *check.C) {
+	repoName := fmt.Sprintf("%v/dockercli/busybox", privateRegistryURL)
+
+	repos := []string{}
+	for _, tag := range []string{"recent", "fresh"} {
+		repos = append(repos, fmt.Sprintf("%v:%v", repoName, tag))
+	}
+
+	// Tag and push the same image multiple times.
+	for _, repo := range repos {
+		dockerCmd(c, "tag", "busybox", repo)
+		dockerCmd(c, "push", repo)
+	}
+
+	// Clear local images store.
+	args := append([]string{"rmi"}, repos...)
+	dockerCmd(c, args...)
+
+	// Pull a single tag and verify it doesn't bring down all aliases.
+	dockerCmd(c, "pull", repos[0])
+	dockerCmd(c, "inspect", repos[0])
+	for _, repo := range repos[1:] {
+		if _, _, err := dockerCmdWithError("inspect", repo); err == nil {
+			c.Fatalf("Image %v shouldn't have been pulled down", repo)
+		}
+	}
+}

integration-cli/docker_cli_pull_test.go

@@ -2,407 +2,154 @@ package main
 
 import (
 	"fmt"
-	"os/exec"
+	"regexp"
 	"strings"
 	"time"
 
-	"io/ioutil"
+	"github.com/docker/distribution/digest"
-
+	"github.com/docker/docker/integration-cli/checker"
 	"github.com/go-check/check"
 )
 
-// See issue docker/docker#8141
+// TestPullFromCentralRegistry pulls an image from the central registry and verifies that the client
-func (s *DockerRegistrySuite) TestPullImageWithAliases(c *check.C) {
+// prints all expected output.
-	repoName := fmt.Sprintf("%v/dockercli/busybox", privateRegistryURL)
+func (s *DockerHubPullSuite) TestPullFromCentralRegistry(c *check.C) {
+	out := s.Cmd(c, "pull", "hello-world")
+	defer deleteImages("hello-world")
 
-	repos := []string{}
+	c.Assert(out, checker.Contains, "Using default tag: latest", check.Commentf("expected the 'latest' tag to be automatically assumed"))
-	for _, tag := range []string{"recent", "fresh"} {
+	c.Assert(out, checker.Contains, "Pulling from library/hello-world", check.Commentf("expected the 'library/' prefix to be automatically assumed"))
-		repos = append(repos, fmt.Sprintf("%v:%v", repoName, tag))
+	c.Assert(out, checker.Contains, "Downloaded newer image for hello-world:latest")
-	}
 
-	// Tag and push the same image multiple times.
+	matches := regexp.MustCompile(`Digest: (.+)\n`).FindAllStringSubmatch(out, -1)
-	for _, repo := range repos {
+	c.Assert(len(matches), checker.Equals, 1, check.Commentf("expected exactly one image digest in the output"))
-		dockerCmd(c, "tag", "busybox", repo)
+	c.Assert(len(matches[0]), checker.Equals, 2, check.Commentf("unexpected number of submatches for the digest"))
-		dockerCmd(c, "push", repo)
+	_, err := digest.ParseDigest(matches[0][1])
-	}
+	c.Check(err, checker.IsNil, check.Commentf("invalid digest %q in output", matches[0][1]))
 
-	// Clear local images store.
+	// We should have a single entry in images.
-	args := append([]string{"rmi"}, repos...)
+	img := strings.TrimSpace(s.Cmd(c, "images"))
-	dockerCmd(c, args...)
+	if splitImg := strings.Split(img, "\n"); len(splitImg) != 2 {
-
+		c.Fatalf("expected only two lines in the output of `docker images`, got %d", len(splitImg))
-	// Pull a single tag and verify it doesn't bring down all aliases.
+	} else if re := regexp.MustCompile(`^hello-world\s+latest`); !re.Match([]byte(splitImg[1])) {
-	dockerCmd(c, "pull", repos[0])
+		c.Fatal("invalid output for `docker images` (expected image and tag name")
-	dockerCmd(c, "inspect", repos[0])
-	for _, repo := range repos[1:] {
-		if _, _, err := dockerCmdWithError("inspect", repo); err == nil {
-			c.Fatalf("Image %v shouldn't have been pulled down", repo)
-		}
 	}
 }
 
-// pulling library/hello-world should show verified message
+// TestPullNonExistingImage pulls non-existing images from the central registry, with different
-func (s *DockerSuite) TestPullVerified(c *check.C) {
+// combinations of implicit tag and library prefix.
-	c.Skip("Skipping hub dependent test")
+func (s *DockerHubPullSuite) TestPullNonExistingImage(c *check.C) {
-
+	for _, e := range []struct {
-	// Image must be pulled from central repository to get verified message
+		Image string
-	// unless keychain is manually updated to contain the daemon's sign key.
+		Alias string
-
+	}{
-	verifiedName := "hello-world"
+		{"library/asdfasdf:foobar", "asdfasdf:foobar"},
-
+		{"library/asdfasdf:foobar", "library/asdfasdf:foobar"},
-	// pull it
+		{"library/asdfasdf:latest", "asdfasdf"},
-	expected := "The image you are pulling has been verified"
+		{"library/asdfasdf:latest", "asdfasdf:latest"},
-	if out, exitCode, err := dockerCmdWithError("pull", verifiedName); err != nil || !strings.Contains(out, expected) {
+		{"library/asdfasdf:latest", "library/asdfasdf"},
-		if err != nil || exitCode != 0 {
+		{"library/asdfasdf:latest", "library/asdfasdf:latest"},
-			c.Skip(fmt.Sprintf("pulling the '%s' image from the registry has failed: %v", verifiedName, err))
+	} {
-		}
+		out, err := s.CmdWithError("pull", e.Alias)
-		c.Fatalf("pulling a verified image failed. expected: %s\ngot: %s, %v", expected, out, err)
+		c.Assert(err, checker.NotNil, check.Commentf("expected non-zero exit status when pulling non-existing image: %s", out))
-	}
+		c.Assert(out, checker.Contains, fmt.Sprintf("Error: image %s not found", e.Image), check.Commentf("expected image not found error messages"))
-
-	// pull it again
-	if out, exitCode, err := dockerCmdWithError("pull", verifiedName); err != nil || strings.Contains(out, expected) {
-		if err != nil || exitCode != 0 {
-			c.Skip(fmt.Sprintf("pulling the '%s' image from the registry has failed: %v", verifiedName, err))
-		}
-		c.Fatalf("pulling a verified image failed. unexpected verify message\ngot: %s, %v", out, err)
-	}
-
-}
-
-// pulling an image from the central registry should work
-func (s *DockerSuite) TestPullImageFromCentralRegistry(c *check.C) {
-	testRequires(c, Network)
-
-	dockerCmd(c, "pull", "hello-world")
-}
-
-// pulling a non-existing image from the central registry should return a non-zero exit code
-func (s *DockerSuite) TestPullNonExistingImage(c *check.C) {
-	testRequires(c, Network)
-
-	name := "sadfsadfasdf"
-	out, _, err := dockerCmdWithError("pull", name)
-
-	if err == nil || !strings.Contains(out, fmt.Sprintf("Error: image library/%s:latest not found", name)) {
-		c.Fatalf("expected non-zero exit status when pulling non-existing image: %s", out)
 	}
 }
 
-// pulling an image from the central registry using official names should work
+// TestPullFromCentralRegistryImplicitRefParts pulls an image from the central registry and verifies
-// ensure all pulls result in the same image
+// that pulling the same image with different combinations of implicit elements of the the image
-func (s *DockerSuite) TestPullImageOfficialNames(c *check.C) {
+// reference (tag, repository, central registry url, ...) doesn't trigger a new pull nor leads to
-	testRequires(c, Network)
+// multiple images.
+func (s *DockerHubPullSuite) TestPullFromCentralRegistryImplicitRefParts(c *check.C) {
+	s.Cmd(c, "pull", "hello-world")
+	defer deleteImages("hello-world")
 
-	names := []string{
+	for _, i := range []string{
+		"hello-world",
+		"hello-world:latest",
 		"library/hello-world",
+		"library/hello-world:latest",
 		"docker.io/library/hello-world",
 		"index.docker.io/library/hello-world",
-	}
+	} {
-	for _, name := range names {
+		out := s.Cmd(c, "pull", i)
-		out, exitCode, err := dockerCmdWithError("pull", name)
+		c.Assert(out, checker.Contains, "Image is up to date for hello-world:latest")
-		if err != nil || exitCode != 0 {
-			c.Errorf("pulling the '%s' image from the registry has failed: %s", name, err)
-			continue
 	}
 
-		// ensure we don't have multiple image names.
+	// We should have a single entry in images.
-		out, _ = dockerCmd(c, "images")
+	img := strings.TrimSpace(s.Cmd(c, "images"))
-		if strings.Contains(out, name) {
+	if splitImg := strings.Split(img, "\n"); len(splitImg) != 2 {
-			c.Errorf("images should not have listed '%s'", name)
+		c.Fatalf("expected only two lines in the output of `docker images`, got %d", len(splitImg))
-		}
+	} else if re := regexp.MustCompile(`^hello-world\s+latest`); !re.Match([]byte(splitImg[1])) {
+		c.Fatal("invalid output for `docker images` (expected image and tag name")
 	}
 }
 
-func (s *DockerSuite) TestPullScratchNotAllowed(c *check.C) {
+// TestPullScratchNotAllowed verifies that pulling 'scratch' is rejected.
-	testRequires(c, Network)
+func (s *DockerHubPullSuite) TestPullScratchNotAllowed(c *check.C) {
-
+	out, err := s.CmdWithError("pull", "scratch")
-	out, exitCode, err := dockerCmdWithError("pull", "scratch")
+	c.Assert(err, checker.NotNil, check.Commentf("expected pull of scratch to fail"))
-	if err == nil {
+	c.Assert(out, checker.Contains, "'scratch' is a reserved name")
-		c.Fatal("expected pull of scratch to fail, but it didn't")
+	c.Assert(out, checker.Not(checker.Contains), "Pulling repository scratch")
-	}
-	if exitCode != 1 {
-		c.Fatalf("pulling scratch expected exit code 1, got %d", exitCode)
-	}
-	if strings.Contains(out, "Pulling repository scratch") {
-		c.Fatalf("pulling scratch should not have begun: %s", out)
-	}
-	if !strings.Contains(out, "'scratch' is a reserved name") {
-		c.Fatalf("unexpected output pulling scratch: %s", out)
-	}
 }
 
-// pulling an image with --all-tags=true
+// TestPullAllTagsFromCentralRegistry pulls using `all-tags` for a given image and verifies that it
-func (s *DockerSuite) TestPullImageWithAllTagFromCentralRegistry(c *check.C) {
+// results in more images than a naked pull.
-	testRequires(c, Network)
+func (s *DockerHubPullSuite) TestPullAllTagsFromCentralRegistry(c *check.C) {
+	s.Cmd(c, "pull", "busybox")
+	outImageCmd := s.Cmd(c, "images", "busybox")
+	splitOutImageCmd := strings.Split(strings.TrimSpace(outImageCmd), "\n")
+	c.Assert(splitOutImageCmd, checker.HasLen, 2, check.Commentf("expected a single entry in images\n%v", outImageCmd))
 
-	dockerCmd(c, "pull", "busybox")
+	s.Cmd(c, "pull", "--all-tags=true", "busybox")
-
+	outImageAllTagCmd := s.Cmd(c, "images", "busybox")
-	outImageCmd, _ := dockerCmd(c, "images", "busybox")
+	if linesCount := strings.Count(outImageAllTagCmd, "\n"); linesCount <= 2 {
-
+		c.Fatalf("pulling all tags should provide more images, got %d", linesCount-1)
-	dockerCmd(c, "pull", "--all-tags=true", "busybox")
-
-	outImageAllTagCmd, _ := dockerCmd(c, "images", "busybox")
-
-	if strings.Count(outImageCmd, "busybox") >= strings.Count(outImageAllTagCmd, "busybox") {
-		c.Fatalf("Pulling with all tags should get more images")
 	}
 
-	// FIXME has probably no effect (tags already pushed)
+	// Verify that the line for 'busybox:latest' is left unchanged.
-	dockerCmd(c, "pull", "-a", "busybox")
+	var latestLine string
-
+	for _, line := range strings.Split(outImageAllTagCmd, "\n") {
-	outImageAllTagCmd, _ = dockerCmd(c, "images", "busybox")
+		if strings.HasPrefix(line, "busybox") && strings.Contains(line, "latest") {
-
+			latestLine = line
-	if strings.Count(outImageCmd, "busybox") >= strings.Count(outImageAllTagCmd, "busybox") {
+			break
-		c.Fatalf("Pulling with all tags should get more images")
 		}
+	}
+	c.Assert(latestLine, checker.Not(checker.Equals), "", check.Commentf("no entry for busybox:latest found after pulling all tags"))
+	splitLatest := strings.Fields(latestLine)
+	splitCurrent := strings.Fields(splitOutImageCmd[1])
+	c.Assert(splitLatest, checker.DeepEquals, splitCurrent, check.Commentf("busybox:latest was changed after pulling all tags"))
 }
 
-func (s *DockerTrustSuite) TestTrustedPull(c *check.C) {
+// TestPullClientDisconnect kills the client during a pull operation and verifies that the operation
-	repoName := s.setupTrustedImage(c, "trusted-pull")
+// still succesfully completes on the daemon side.
-
+//
-	// Try pull
+// Ref: docker/docker#15589
-	pullCmd := exec.Command(dockerBinary, "pull", repoName)
+func (s *DockerHubPullSuite) TestPullClientDisconnect(c *check.C) {
-	s.trustedCmd(pullCmd)
-	out, _, err := runCommandWithOutput(pullCmd)
-	if err != nil {
-		c.Fatalf("Error running trusted pull: %s\n%s", err, out)
-	}
-
-	if !strings.Contains(string(out), "Tagging") {
-		c.Fatalf("Missing expected output on trusted push:\n%s", out)
-	}
-
-	dockerCmd(c, "rmi", repoName)
-
-	// Try untrusted pull to ensure we pushed the tag to the registry
-	pullCmd = exec.Command(dockerBinary, "pull", "--disable-content-trust=true", repoName)
-	s.trustedCmd(pullCmd)
-	out, _, err = runCommandWithOutput(pullCmd)
-	if err != nil {
-		c.Fatalf("Error running trusted pull: %s\n%s", err, out)
-	}
-
-	if !strings.Contains(string(out), "Status: Downloaded") {
-		c.Fatalf("Missing expected output on trusted pull with --disable-content-trust:\n%s", out)
-	}
-}
-
-func (s *DockerTrustSuite) TestTrustedIsolatedPull(c *check.C) {
-	repoName := s.setupTrustedImage(c, "trusted-isolatd-pull")
-
-	// Try pull (run from isolated directory without trust information)
-	pullCmd := exec.Command(dockerBinary, "--config", "/tmp/docker-isolated", "pull", repoName)
-	s.trustedCmd(pullCmd)
-	out, _, err := runCommandWithOutput(pullCmd)
-	if err != nil {
-		c.Fatalf("Error running trusted pull: %s\n%s", err, out)
-	}
-
-	if !strings.Contains(string(out), "Tagging") {
-		c.Fatalf("Missing expected output on trusted push:\n%s", out)
-	}
-
-	dockerCmd(c, "rmi", repoName)
-}
-
-func (s *DockerTrustSuite) TestUntrustedPull(c *check.C) {
-	repoName := fmt.Sprintf("%v/dockercli/trusted:latest", privateRegistryURL)
-	// tag the image and upload it to the private registry
-	dockerCmd(c, "tag", "busybox", repoName)
-	dockerCmd(c, "push", repoName)
-	dockerCmd(c, "rmi", repoName)
-
-	// Try trusted pull on untrusted tag
-	pullCmd := exec.Command(dockerBinary, "pull", repoName)
-	s.trustedCmd(pullCmd)
-	out, _, err := runCommandWithOutput(pullCmd)
-	if err == nil {
-		c.Fatalf("Error expected when running trusted pull with:\n%s", out)
-	}
-
-	if !strings.Contains(string(out), "no trust data available") {
-		c.Fatalf("Missing expected output on trusted pull:\n%s", out)
-	}
-}
-
-func (s *DockerTrustSuite) TestPullWhenCertExpired(c *check.C) {
-	c.Skip("Currently changes system time, causing instability")
-	repoName := s.setupTrustedImage(c, "trusted-cert-expired")
-
-	// Certificates have 10 years of expiration
-	elevenYearsFromNow := time.Now().Add(time.Hour * 24 * 365 * 11)
-
-	runAtDifferentDate(elevenYearsFromNow, func() {
-		// Try pull
-		pullCmd := exec.Command(dockerBinary, "pull", repoName)
-		s.trustedCmd(pullCmd)
-		out, _, err := runCommandWithOutput(pullCmd)
-		if err == nil {
-			c.Fatalf("Error running trusted pull in the distant future: %s\n%s", err, out)
-		}
-
-		if !strings.Contains(string(out), "could not validate the path to a trusted root") {
-			c.Fatalf("Missing expected output on trusted pull in the distant future:\n%s", out)
-		}
-	})
-
-	runAtDifferentDate(elevenYearsFromNow, func() {
-		// Try pull
-		pullCmd := exec.Command(dockerBinary, "pull", "--disable-content-trust", repoName)
-		s.trustedCmd(pullCmd)
-		out, _, err := runCommandWithOutput(pullCmd)
-		if err != nil {
-			c.Fatalf("Error running untrusted pull in the distant future: %s\n%s", err, out)
-		}
-
-		if !strings.Contains(string(out), "Status: Downloaded") {
-			c.Fatalf("Missing expected output on untrusted pull in the distant future:\n%s", out)
-		}
-	})
-}
-
-func (s *DockerTrustSuite) TestTrustedPullFromBadTrustServer(c *check.C) {
-	repoName := fmt.Sprintf("%v/dockerclievilpull/trusted:latest", privateRegistryURL)
-	evilLocalConfigDir, err := ioutil.TempDir("", "evil-local-config-dir")
-	if err != nil {
-		c.Fatalf("Failed to create local temp dir")
-	}
-
-	// tag the image and upload it to the private registry
-	dockerCmd(c, "tag", "busybox", repoName)
-
-	pushCmd := exec.Command(dockerBinary, "push", repoName)
-	s.trustedCmd(pushCmd)
-	out, _, err := runCommandWithOutput(pushCmd)
-	if err != nil {
-		c.Fatalf("Error running trusted push: %s\n%s", err, out)
-	}
-	if !strings.Contains(string(out), "Signing and pushing trust metadata") {
-		c.Fatalf("Missing expected output on trusted push:\n%s", out)
-	}
-
-	dockerCmd(c, "rmi", repoName)
-
-	// Try pull
-	pullCmd := exec.Command(dockerBinary, "pull", repoName)
-	s.trustedCmd(pullCmd)
-	out, _, err = runCommandWithOutput(pullCmd)
-	if err != nil {
-		c.Fatalf("Error running trusted pull: %s\n%s", err, out)
-	}
-
-	if !strings.Contains(string(out), "Tagging") {
-		c.Fatalf("Missing expected output on trusted push:\n%s", out)
-	}
-
-	dockerCmd(c, "rmi", repoName)
-
-	// Kill the notary server, start a new "evil" one.
-	s.not.Close()
-	s.not, err = newTestNotary(c)
-	if err != nil {
-		c.Fatalf("Restarting notary server failed.")
-	}
-
-	// In order to make an evil server, lets re-init a client (with a different trust dir) and push new data.
-	// tag an image and upload it to the private registry
-	dockerCmd(c, "--config", evilLocalConfigDir, "tag", "busybox", repoName)
-
-	// Push up to the new server
-	pushCmd = exec.Command(dockerBinary, "--config", evilLocalConfigDir, "push", repoName)
-	s.trustedCmd(pushCmd)
-	out, _, err = runCommandWithOutput(pushCmd)
-	if err != nil {
-		c.Fatalf("Error running trusted push: %s\n%s", err, out)
-	}
-	if !strings.Contains(string(out), "Signing and pushing trust metadata") {
-		c.Fatalf("Missing expected output on trusted push:\n%s", out)
-	}
-
-	// Now, try pulling with the original client from this new trust server. This should fail.
-	pullCmd = exec.Command(dockerBinary, "pull", repoName)
-	s.trustedCmd(pullCmd)
-	out, _, err = runCommandWithOutput(pullCmd)
-	if err == nil {
-		c.Fatalf("Expected to fail on this pull due to different remote data: %s\n%s", err, out)
-	}
-
-	if !strings.Contains(string(out), "failed to validate data with current trusted certificates") {
-		c.Fatalf("Missing expected output on trusted push:\n%s", out)
-	}
-}
-
-func (s *DockerTrustSuite) TestTrustedPullWithExpiredSnapshot(c *check.C) {
-	c.Skip("Currently changes system time, causing instability")
-	repoName := fmt.Sprintf("%v/dockercliexpiredtimestamppull/trusted:latest", privateRegistryURL)
-	// tag the image and upload it to the private registry
-	dockerCmd(c, "tag", "busybox", repoName)
-
-	// Push with default passphrases
-	pushCmd := exec.Command(dockerBinary, "push", repoName)
-	s.trustedCmd(pushCmd)
-	out, _, err := runCommandWithOutput(pushCmd)
-	if err != nil {
-		c.Fatalf("trusted push failed: %s\n%s", err, out)
-	}
-
-	if !strings.Contains(string(out), "Signing and pushing trust metadata") {
-		c.Fatalf("Missing expected output on trusted push:\n%s", out)
-	}
-
-	dockerCmd(c, "rmi", repoName)
-
-	// Snapshots last for three years. This should be expired
-	fourYearsLater := time.Now().Add(time.Hour * 24 * 365 * 4)
-
-	// Should succeed because the server transparently re-signs one
-	runAtDifferentDate(fourYearsLater, func() {
-		// Try pull
-		pullCmd := exec.Command(dockerBinary, "pull", repoName)
-		s.trustedCmd(pullCmd)
-		out, _, err = runCommandWithOutput(pullCmd)
-		if err == nil {
-			c.Fatalf("Missing expected error running trusted pull with expired snapshots")
-		}
-
-		if !strings.Contains(string(out), "repository out-of-date") {
-			c.Fatalf("Missing expected output on trusted pull with expired snapshot:\n%s", out)
-		}
-	})
-}
-
-// Test that pull continues after client has disconnected. #15589
-func (s *DockerSuite) TestPullClientDisconnect(c *check.C) {
-	testRequires(c, Network)
-
 	repoName := "hello-world:latest"
 
-	dockerCmdWithError("rmi", repoName) // clean just in case
+	pullCmd := s.MakeCmd("pull", repoName)
-
-	pullCmd := exec.Command(dockerBinary, "pull", repoName)
-
 	stdout, err := pullCmd.StdoutPipe()
-	c.Assert(err, check.IsNil)
+	c.Assert(err, checker.IsNil)
-
 	err = pullCmd.Start()
-	c.Assert(err, check.IsNil)
+	c.Assert(err, checker.IsNil)
 
-	// cancel as soon as we get some output
+	// Cancel as soon as we get some output.
 	buf := make([]byte, 10)
 	_, err = stdout.Read(buf)
-	c.Assert(err, check.IsNil)
+	c.Assert(err, checker.IsNil)
 
 	err = pullCmd.Process.Kill()
-	c.Assert(err, check.IsNil)
+	c.Assert(err, checker.IsNil)
 
 	maxAttempts := 20
 	for i := 0; ; i++ {
-		if _, _, err := dockerCmdWithError("inspect", repoName); err == nil {
+		if _, err := s.CmdWithError("inspect", repoName); err == nil {
 			break
 		}
 		if i >= maxAttempts {
-			c.Fatal("Timeout reached. Image was not pulled after client disconnected.")
+			c.Fatal("timeout reached: image was not pulled after client disconnected")
 		}
 		time.Sleep(500 * time.Millisecond)
 	}
-
 }

integration-cli/docker_cli_pull_trusted_test.go

@@ -0,0 +1,225 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os/exec"
+	"strings"
+	"time"
+
+	"github.com/go-check/check"
+)
+
+func (s *DockerTrustSuite) TestTrustedPull(c *check.C) {
+	repoName := s.setupTrustedImage(c, "trusted-pull")
+
+	// Try pull
+	pullCmd := exec.Command(dockerBinary, "pull", repoName)
+	s.trustedCmd(pullCmd)
+	out, _, err := runCommandWithOutput(pullCmd)
+	if err != nil {
+		c.Fatalf("Error running trusted pull: %s\n%s", err, out)
+	}
+
+	if !strings.Contains(string(out), "Tagging") {
+		c.Fatalf("Missing expected output on trusted push:\n%s", out)
+	}
+
+	dockerCmd(c, "rmi", repoName)
+
+	// Try untrusted pull to ensure we pushed the tag to the registry
+	pullCmd = exec.Command(dockerBinary, "pull", "--disable-content-trust=true", repoName)
+	s.trustedCmd(pullCmd)
+	out, _, err = runCommandWithOutput(pullCmd)
+	if err != nil {
+		c.Fatalf("Error running trusted pull: %s\n%s", err, out)
+	}
+
+	if !strings.Contains(string(out), "Status: Downloaded") {
+		c.Fatalf("Missing expected output on trusted pull with --disable-content-trust:\n%s", out)
+	}
+}
+
+func (s *DockerTrustSuite) TestTrustedIsolatedPull(c *check.C) {
+	repoName := s.setupTrustedImage(c, "trusted-isolatd-pull")
+
+	// Try pull (run from isolated directory without trust information)
+	pullCmd := exec.Command(dockerBinary, "--config", "/tmp/docker-isolated", "pull", repoName)
+	s.trustedCmd(pullCmd)
+	out, _, err := runCommandWithOutput(pullCmd)
+	if err != nil {
+		c.Fatalf("Error running trusted pull: %s\n%s", err, out)
+	}
+
+	if !strings.Contains(string(out), "Tagging") {
+		c.Fatalf("Missing expected output on trusted push:\n%s", out)
+	}
+
+	dockerCmd(c, "rmi", repoName)
+}
+
+func (s *DockerTrustSuite) TestUntrustedPull(c *check.C) {
+	repoName := fmt.Sprintf("%v/dockercli/trusted:latest", privateRegistryURL)
+	// tag the image and upload it to the private registry
+	dockerCmd(c, "tag", "busybox", repoName)
+	dockerCmd(c, "push", repoName)
+	dockerCmd(c, "rmi", repoName)
+
+	// Try trusted pull on untrusted tag
+	pullCmd := exec.Command(dockerBinary, "pull", repoName)
+	s.trustedCmd(pullCmd)
+	out, _, err := runCommandWithOutput(pullCmd)
+	if err == nil {
+		c.Fatalf("Error expected when running trusted pull with:\n%s", out)
+	}
+
+	if !strings.Contains(string(out), "no trust data available") {
+		c.Fatalf("Missing expected output on trusted pull:\n%s", out)
+	}
+}
+
+func (s *DockerTrustSuite) TestPullWhenCertExpired(c *check.C) {
+	c.Skip("Currently changes system time, causing instability")
+	repoName := s.setupTrustedImage(c, "trusted-cert-expired")
+
+	// Certificates have 10 years of expiration
+	elevenYearsFromNow := time.Now().Add(time.Hour * 24 * 365 * 11)
+
+	runAtDifferentDate(elevenYearsFromNow, func() {
+		// Try pull
+		pullCmd := exec.Command(dockerBinary, "pull", repoName)
+		s.trustedCmd(pullCmd)
+		out, _, err := runCommandWithOutput(pullCmd)
+		if err == nil {
+			c.Fatalf("Error running trusted pull in the distant future: %s\n%s", err, out)
+		}
+
+		if !strings.Contains(string(out), "could not validate the path to a trusted root") {
+			c.Fatalf("Missing expected output on trusted pull in the distant future:\n%s", out)
+		}
+	})
+
+	runAtDifferentDate(elevenYearsFromNow, func() {
+		// Try pull
+		pullCmd := exec.Command(dockerBinary, "pull", "--disable-content-trust", repoName)
+		s.trustedCmd(pullCmd)
+		out, _, err := runCommandWithOutput(pullCmd)
+		if err != nil {
+			c.Fatalf("Error running untrusted pull in the distant future: %s\n%s", err, out)
+		}
+
+		if !strings.Contains(string(out), "Status: Downloaded") {
+			c.Fatalf("Missing expected output on untrusted pull in the distant future:\n%s", out)
+		}
+	})
+}
+
+func (s *DockerTrustSuite) TestTrustedPullFromBadTrustServer(c *check.C) {
+	repoName := fmt.Sprintf("%v/dockerclievilpull/trusted:latest", privateRegistryURL)
+	evilLocalConfigDir, err := ioutil.TempDir("", "evil-local-config-dir")
+	if err != nil {
+		c.Fatalf("Failed to create local temp dir")
+	}
+
+	// tag the image and upload it to the private registry
+	dockerCmd(c, "tag", "busybox", repoName)
+
+	pushCmd := exec.Command(dockerBinary, "push", repoName)
+	s.trustedCmd(pushCmd)
+	out, _, err := runCommandWithOutput(pushCmd)
+	if err != nil {
+		c.Fatalf("Error running trusted push: %s\n%s", err, out)
+	}
+	if !strings.Contains(string(out), "Signing and pushing trust metadata") {
+		c.Fatalf("Missing expected output on trusted push:\n%s", out)
+	}
+
+	dockerCmd(c, "rmi", repoName)
+
+	// Try pull
+	pullCmd := exec.Command(dockerBinary, "pull", repoName)
+	s.trustedCmd(pullCmd)
+	out, _, err = runCommandWithOutput(pullCmd)
+	if err != nil {
+		c.Fatalf("Error running trusted pull: %s\n%s", err, out)
+	}
+
+	if !strings.Contains(string(out), "Tagging") {
+		c.Fatalf("Missing expected output on trusted push:\n%s", out)
+	}
+
+	dockerCmd(c, "rmi", repoName)
+
+	// Kill the notary server, start a new "evil" one.
+	s.not.Close()
+	s.not, err = newTestNotary(c)
+	if err != nil {
+		c.Fatalf("Restarting notary server failed.")
+	}
+
+	// In order to make an evil server, lets re-init a client (with a different trust dir) and push new data.
+	// tag an image and upload it to the private registry
+	dockerCmd(c, "--config", evilLocalConfigDir, "tag", "busybox", repoName)
+
+	// Push up to the new server
+	pushCmd = exec.Command(dockerBinary, "--config", evilLocalConfigDir, "push", repoName)
+	s.trustedCmd(pushCmd)
+	out, _, err = runCommandWithOutput(pushCmd)
+	if err != nil {
+		c.Fatalf("Error running trusted push: %s\n%s", err, out)
+	}
+	if !strings.Contains(string(out), "Signing and pushing trust metadata") {
+		c.Fatalf("Missing expected output on trusted push:\n%s", out)
+	}
+
+	// Now, try pulling with the original client from this new trust server. This should fail.
+	pullCmd = exec.Command(dockerBinary, "pull", repoName)
+	s.trustedCmd(pullCmd)
+	out, _, err = runCommandWithOutput(pullCmd)
+	if err == nil {
+		c.Fatalf("Expected to fail on this pull due to different remote data: %s\n%s", err, out)
+	}
+
+	if !strings.Contains(string(out), "failed to validate data with current trusted certificates") {
+		c.Fatalf("Missing expected output on trusted push:\n%s", out)
+	}
+}
+
+func (s *DockerTrustSuite) TestTrustedPullWithExpiredSnapshot(c *check.C) {
+	c.Skip("Currently changes system time, causing instability")
+	repoName := fmt.Sprintf("%v/dockercliexpiredtimestamppull/trusted:latest", privateRegistryURL)
+	// tag the image and upload it to the private registry
+	dockerCmd(c, "tag", "busybox", repoName)
+
+	// Push with default passphrases
+	pushCmd := exec.Command(dockerBinary, "push", repoName)
+	s.trustedCmd(pushCmd)
+	out, _, err := runCommandWithOutput(pushCmd)
+	if err != nil {
+		c.Fatalf("trusted push failed: %s\n%s", err, out)
+	}
+
+	if !strings.Contains(string(out), "Signing and pushing trust metadata") {
+		c.Fatalf("Missing expected output on trusted push:\n%s", out)
+	}
+
+	dockerCmd(c, "rmi", repoName)
+
+	// Snapshots last for three years. This should be expired
+	fourYearsLater := time.Now().Add(time.Hour * 24 * 365 * 4)
+
+	// Should succeed because the server transparently re-signs one
+	runAtDifferentDate(fourYearsLater, func() {
+		// Try pull
+		pullCmd := exec.Command(dockerBinary, "pull", repoName)
+		s.trustedCmd(pullCmd)
+		out, _, err = runCommandWithOutput(pullCmd)
+		if err == nil {
+			c.Fatalf("Missing expected error running trusted pull with expired snapshots")
+		}
+
+		if !strings.Contains(string(out), "repository out-of-date") {
+			c.Fatalf("Missing expected output on trusted pull with expired snapshot:\n%s", out)
+		}
+	})
+}