e2e: Skip tests with platform-specific digests on other platforms

Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>

e2e/container/run_test.go

@@ -18,6 +18,10 @@ const registryPrefix = "registry:5000"
 func TestRunAttachedFromRemoteImageAndRemove(t *testing.T) {
 	skip.If(t, environment.RemoteDaemon())
 
+	// Digests in golden file are linux/amd64 specific.
+	// TODO: Fix this test and make it work on all platforms.
+	environment.SkipIfNotPlatform(t, "linux/amd64")
+
 	image := createRemoteImage(t)
 
 	result := icmd.RunCommand("docker", "run", "--rm", image,

e2e/image/pull_test.go

@@ -17,6 +17,10 @@ const registryPrefix = "registry:5000"
 func TestPullWithContentTrust(t *testing.T) {
 	skip.If(t, environment.RemoteDaemon())
 
+	// Digests in golden files are linux/amd64 specific.
+	// TODO: Fix this test and make it work on all platforms.
+	environment.SkipIfNotPlatform(t, "linux/amd64")
+
 	dir := fixtures.SetupConfigFile(t)
 	defer dir.Remove()
 	image := fixtures.CreateMaskedTrustedRemoteImage(t, registryPrefix, "trust-pull", "latest")

e2e/image/push_test.go

@@ -33,6 +33,10 @@ const (
 func TestPushAllTags(t *testing.T) {
 	skip.If(t, environment.RemoteDaemon())
 
+	// Compared digests are linux/amd64 specific.
+	// TODO: Fix this test and make it work on all platforms.
+	environment.SkipIfNotPlatform(t, "linux/amd64")
+
 	_ = createImage(t, "push-all-tags", "latest", "v1", "v1.0", "v1.0.1")
 	result := icmd.RunCmd(icmd.Command("docker", "push", "--all-tags", registryPrefix+"/push-all-tags"))
 
@@ -51,6 +55,10 @@ func TestPushAllTags(t *testing.T) {
 func TestPushWithContentTrust(t *testing.T) {
 	skip.If(t, environment.RemoteDaemon())
 
+	// Compared digests are linux/amd64 specific.
+	// TODO: Fix this test and make it work on all platforms.
+	environment.SkipIfNotPlatform(t, "linux/amd64")
+
 	dir := fixtures.SetupConfigFile(t)
 	defer dir.Remove()
 	image := createImage(t, "trust-push", "latest")

e2e/trust/sign_test.go

@@ -20,6 +20,9 @@ const (
 
 func TestSignLocalImage(t *testing.T) {
 	skip.If(t, environment.RemoteDaemon())
+	// Digests in golden files are linux/amd64 specific.
+	// TODO: Fix this test and make it work on all platforms.
+	environment.SkipIfNotPlatform(t, "linux/amd64")
 
 	dir := fixtures.SetupConfigFile(t)
 	defer dir.Remove()
@@ -35,6 +38,9 @@ func TestSignLocalImage(t *testing.T) {
 
 func TestSignWithLocalFlag(t *testing.T) {
 	skip.If(t, environment.RemoteDaemon())
+	// Digests in golden files are linux/amd64 specific.
+	// TODO: Fix this test and make it work on all platforms.
+	environment.SkipIfNotPlatform(t, "linux/amd64")
 
 	dir := fixtures.SetupConfigFile(t)
 	defer dir.Remove()

internal/test/environment/testenv.go

@@ -98,3 +98,13 @@ func SkipIfCgroupNamespacesNotSupported(t *testing.T) {
 
 	skip.If(t, !cgroupNsFound, fmt.Sprintf("running against a daemon that doesn't support cgroup namespaces (security options: %s)", result.Stdout()))
 }
+
+// SkipIfNotPlatform skips the test if the running docker daemon is not running on a specific platform.
+// platform should be in format os/arch (for example linux/arm64).
+func SkipIfNotPlatform(t *testing.T, platform string) {
+	t.Helper()
+	result := icmd.RunCmd(icmd.Command("docker", "version", "--format", "{{.Server.Os}}/{{.Server.Arch}}"))
+	result.Assert(t, icmd.Expected{Err: icmd.None})
+	daemonPlatform := strings.TrimSpace(result.Stdout())
+	skip.If(t, daemonPlatform != platform, "running against a non %s daemon", platform)
+}