fix(ci): Skip e2e metrics steps when the auth token is not available (#4233)

Author: antonis

.github/workflows/e2e.yml

@@ -20,11 +20,14 @@ env:
 jobs:
   diff_check:
     uses: ./.github/workflows/skip-ci.yml
+  auth_token_check:
+    uses: ./.github/workflows/skip-ci-noauth.yml
+    secrets: inherit
 
   metrics:
     runs-on: ${{ matrix.runs-on }}
-    needs: [diff_check]
-    if: ${{ needs.diff_check.outputs.skip_ci != 'true' && env.SENTRY_AUTH_TOKEN != null }}
+    needs: [diff_check, auth_token_check]
+    if: ${{ needs.diff_check.outputs.skip_ci != 'true' && needs.auth_token_check.outputs.skip_ci != 'true' }}
     env:
       SENTRY_DISABLE_AUTO_UPLOAD: 'true'
     strategy:

.github/workflows/skip-ci-noauth.yml

@@ -0,0 +1,25 @@
+name: Skip CI when the auth token is not accessible
+
+on:
+  workflow_call:
+    outputs:
+      skip_ci:
+        description: "Value 'true' if the CI cannot access the SENTRY_AUTH_TOKEN, otherwise, not defined."
+        value: ${{ jobs.auth_token_check.outputs.skip_ci }}
+
+jobs:
+  auth_token_check:
+    runs-on: ubuntu-latest
+    env:
+      sentry_auth_token: ${{ secrets.SENTRY_AUTH_TOKEN }}
+    outputs:
+      skip_ci: ${{ steps.set_skip_ci.outputs.skip_ci }}
+    steps:
+      - id: set_skip_ci
+        if: ${{ env.sentry_auth_token == '' }}
+        run: |
+          echo "skip_ci=true" >> $GITHUB_OUTPUT
+          echo "Cannot access SENTRY_AUTH_TOKEN, skipping CI."
+
+      - if: ${{ env.sentry_auth_token != '' }}
+        run: echo "SENTRY_AUTH_TOKEN is accessible, continuing the CI checks."