save image remove signatures

remove signatures to podman save since the image formats do not support signatures
Close: #7659

Signed-off-by: Qi Wang <qiwan@redhat.com>

3 files changed, 117 insertions, 0 deletions

diff --git a/test/e2e/save_test.go b/test/e2e/save_test.go
index 1f1258be3..79fc4d737 100644
--- a/test/e2e/save_test.go
+++ b/test/e2e/save_test.go
@@ -1,8 +1,12 @@
 package integration
 
 import (
+	"io/ioutil"
 	"os"
+	"os/exec"
 	"path/filepath"
+	"strconv"
+	"strings"
 
 	"github.com/containers/podman/v2/pkg/rootless"
 	. "github.com/containers/podman/v2/test/utils"
@@ -116,6 +120,71 @@ var _ = Describe("Podman save", func() {
 		Expect(save).To(ExitWithError())
 	})
 
+	It("podman save remove signature", func() {
+		SkipIfRootless("FIXME: Need get in rootless push sign")
+		if podmanTest.Host.Arch == "ppc64le" {
+			Skip("No registry image for ppc64le")
+		}
+		tempGNUPGHOME := filepath.Join(podmanTest.TempDir, "tmpGPG")
+		err := os.Mkdir(tempGNUPGHOME, os.ModePerm)
+		Expect(err).To(BeNil())
+		origGNUPGHOME := os.Getenv("GNUPGHOME")
+		err = os.Setenv("GNUPGHOME", tempGNUPGHOME)
+		Expect(err).To(BeNil())
+		defer os.Setenv("GNUPGHOME", origGNUPGHOME)
+
+		port := 5000
+		session := podmanTest.Podman([]string{"run", "-d", "--name", "registry", "-p", strings.Join([]string{strconv.Itoa(port), strconv.Itoa(port)}, ":"), "docker.io/registry:2.6"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		if !WaitContainerReady(podmanTest, "registry", "listening on", 20, 1) {
+			Skip("Cannot start docker registry.")
+		}
+
+		cmd := exec.Command("gpg", "--import", "sign/secret-key.asc")
+		err = cmd.Run()
+		Expect(err).To(BeNil())
+
+		cmd = exec.Command("cp", "/etc/containers/registries.d/default.yaml", "default.yaml")
+		if err = cmd.Run(); err != nil {
+			Skip("no signature store to verify")
+		}
+		defer func() {
+			cmd = exec.Command("cp", "default.yaml", "/etc/containers/registries.d/default.yaml")
+			cmd.Run()
+		}()
+
+		cmd = exec.Command("cp", "sign/key.gpg", "/tmp/key.gpg")
+		Expect(cmd.Run()).To(BeNil())
+		sigstore := `
+default-docker:
+  sigstore: file:///var/lib/containers/sigstore
+  sigstore-staging: file:///var/lib/containers/sigstore
+`
+		Expect(ioutil.WriteFile("/etc/containers/registries.d/default.yaml", []byte(sigstore), 0755)).To(BeNil())
+
+		session = podmanTest.Podman([]string{"tag", ALPINE, "localhost:5000/alpine"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+
+		session = podmanTest.Podman([]string{"push", "--tls-verify=false", "--sign-by", "foo@bar.com", "localhost:5000/alpine"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+
+		session = podmanTest.Podman([]string{"rmi", ALPINE, "localhost:5000/alpine"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+
+		session = podmanTest.Podman([]string{"pull", "--tls-verify=false", "--signature-policy=sign/policy.json", "localhost:5000/alpine"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+
+		outfile := filepath.Join(podmanTest.TempDir, "temp.tar")
+		save := podmanTest.Podman([]string{"save", "remove-signatures=true", "-o", outfile, "localhost:5000/alpine"})
+		save.WaitWithDefaultTimeout()
+		Expect(save).To(ExitWithError())
+	})
+
 	It("podman save image with digest reference", func() {
 		// pull a digest reference
 		session := podmanTest.PodmanNoCache([]string{"pull", ALPINELISTDIGEST})
diff --git a/test/e2e/sign/key.gpg b/test/e2e/sign/key.gpg
new file mode 100644
index 000000000..32968fc04
--- /dev/null
+++ b/test/e2e/sign/key.gpg
@@ -0,0 +1,30 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+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+=y0uZ
+-----END PGP PUBLIC KEY BLOCK-----
diff --git a/test/e2e/sign/policy.json b/test/e2e/sign/policy.json
new file mode 100644
index 000000000..ab01137bf
--- /dev/null
+++ b/test/e2e/sign/policy.json
@@ -0,0 +1,18 @@
+{
+    "default": [
+        {
+            "type": "insecureAcceptAnything"
+        }
+    ],
+    "transports": {
+        "docker": {
+            "localhost:5000": [
+                {
+                    "type": "signedBy",
+                    "keyType": "GPGKeys",
+                    "keyPath": "/tmp/key.gpg"
+                }
+            ]
+        }
+    }
+}