fix bug podman sign storage path

- fix the bud podman not using specified --directory as signature storage.
- use manifest and image referce to set repo@digest.
close #6994
close #6993

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

2 files changed, 119 insertions, 0 deletions

diff --git a/test/e2e/image_sign_test.go b/test/e2e/image_sign_test.go
new file mode 100644
index 000000000..c54cf433d
--- /dev/null
+++ b/test/e2e/image_sign_test.go
@@ -0,0 +1,62 @@
+// +build !remote
+
+package integration
+
+import (
+	"os"
+	"os/exec"
+	"path/filepath"
+
+	. "github.com/containers/podman/v2/test/utils"
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("Podman image sign", func() {
+	var (
+		origGNUPGHOME string
+		tempdir       string
+		err           error
+		podmanTest    *PodmanTestIntegration
+	)
+
+	BeforeEach(func() {
+		tempdir, err = CreateTempDirInTempDir()
+		if err != nil {
+			os.Exit(1)
+		}
+		podmanTest = PodmanTestCreate(tempdir)
+		podmanTest.Setup()
+		podmanTest.SeedImages()
+
+		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())
+
+	})
+
+	AfterEach(func() {
+		podmanTest.Cleanup()
+		f := CurrentGinkgoTestDescription()
+		processTestResult(f)
+		os.Setenv("GNUPGHOME", origGNUPGHOME)
+	})
+
+	It("podman sign image", func() {
+		cmd := exec.Command("gpg", "--import", "sign/secret-key.asc")
+		err := cmd.Run()
+		Expect(err).To(BeNil())
+		sigDir := filepath.Join(podmanTest.TempDir, "test-sign")
+		err = os.MkdirAll(sigDir, os.ModePerm)
+		Expect(err).To(BeNil())
+		session := podmanTest.Podman([]string{"image", "sign", "--directory", sigDir, "--sign-by", "foo@bar.com", "docker://library/alpine"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		_, err = os.Stat(filepath.Join(sigDir, "library"))
+		Expect(err).To(BeNil())
+	})
+})
diff --git a/test/e2e/sign/secret-key.asc b/test/e2e/sign/secret-key.asc
new file mode 100644
index 000000000..23c0d05c3
--- /dev/null
+++ b/test/e2e/sign/secret-key.asc
@@ -0,0 +1,57 @@
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