fix e2e tests

.github/workflows/e2e.yml

@@ -6,42 +6,42 @@ on:
       - main
   workflow_dispatch:
 
-
 jobs:
   e2e:
     runs-on: ubuntu-latest
+
     permissions:
       id-token: write
+
     steps:
       - name: Checkout code
         uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
+
       - name: Setup golang
         uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # v5.0.0
         with:
-          go-version: '1.21'
+          go-version: '1.22'
           check-latest: true
-      - name: Restore cache
-        uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2
-        with:
-          path: |
-            ~/go/pkg/mod
-            ~/.cache/go-build
-          key: go-${{ hashFiles('**/go.sum') }}
-          restore-keys: go-
+          cache: true
+
       - name: Run local registry
         run: podman run -d -p 5000:5000 registry:2
+
       - name: Build test image
         uses: redhat-actions/buildah-build@7a95fa7ee0f02d552a32753e7414641a04307056 # v2.13
         id: test-image
         with:
           base-image: scratch
           image: test
           oci: true
+
       - name: Push test image to local registry
+        id: push
         uses: redhat-actions/push-to-registry@9986a6552bc4571882a4a67e016b17361412b4df # v2.7.1
         with:
           image: ${{ steps.test-image.outputs.image }}
           registry: localhost:5000
           tls-verify: false
+
       - name: Run e2e tests
         run: go run mage.go E2ETest

dependencies.yaml

@@ -1,9 +1,13 @@
 ---
 dependencies:
-  - name: go
-    version: 1.21
+  - name: go (GitHub Actions)
+    version: 1.22
     refPaths:
       - path: .github/workflows/e2e.yml
         match: go-version
+
+  - name: go (go.mod)
+    version: 1.21
+    refPaths:
       - path: go.mod
         match: go

sign/sign.go

@@ -187,6 +187,9 @@ func (s *Signer) SignImageWithOptions(options *Options, reference string) (objec
 		return nil, fmt.Errorf("sign reference: %s: %w", reference, err)
 	}
 
+	// remove the reference from the cache in case we called IsImageSigned before signing.
+	s.signedRefs.Delete(reference)
+
 	// After signing, registry consistency may not be there right
 	// away. Retry the image verification if it fails
 	// ref: https://github.com/kubernetes-sigs/promo-tools/issues/536

test/e2e/sign_test.go

@@ -42,7 +42,12 @@ const (
 
 func TestSignImageSuccess(t *testing.T) {
 	// Test the prerequisites
-	signer := sign.New(nil)
+	opts := sign.Default()
+	opts.IgnoreTlog = true
+	opts.CertIdentityRegexp = "https://github.com/kubernetes-sigs/release-sdk/.github/workflows/e2e.yml@.*"
+	opts.CertOidcIssuer = "https://token.actions.githubusercontent.com"
+
+	signer := sign.New(opts)
 	signed, err := signer.IsImageSigned(imageRef)
 	require.Nil(t, err)
 	require.False(t, signed)