Draft: Migrate continuous integration to Eclipse

We've moved the main Oniro git repository over to Eclipse GitLab and thus we can start the process of re-enabling and adjusting continuous integration.

We can operate CI with the use of Booting repositories as help. We obviously use the repositories that are not yet migrated. We also use the docker registry operated by the Booting instance. During the transition we've disabled documentation aggregation features, as those rely on the docs repository having been migrated and that has not occurred yet.

.oniro-ci/build-generic.yaml

@@ -9,7 +9,7 @@
   tags: [large-disk, $CI_ONIRO_RUNNER_TAG, $CI_ONIRO_INSTANCE_SIZE]
   variables:
     CI_ONIRO_RUNNER_TAG : ""
-    CI_ONIRO_MANIFEST_URL: https://booting.oniroproject.org/distro/oniro
+    CI_ONIRO_MANIFEST_URL: https://gitlab.eclipse.org/eclipse/oniro-core/oniro
     CI_ONIRO_MANIFEST_BRANCH: dunfell
     CI_ONIRO_MANIFEST_NAME: default.xml
     CI_ONIRO_MANIFEST_MIRROR: oniro-develop
@@ -35,7 +35,7 @@
         echo "CI_ONIRO_MANIFEST_NAME: $CI_ONIRO_MANIFEST_NAME"
         echo "CI_ONIRO_MANIFEST_BRANCH: $CI_ONIRO_MANIFEST_BRANCH"
         repo init --reference \
-           /var/shared/pub/git-repo-mirrors/"$CI_ONIRO_MANIFEST_MIRROR" \
+           "$CI_ONIRO_RUNNER_PERSISTENT_STORAGE"/pub/git-repo-mirrors/"$CI_ONIRO_MANIFEST_MIRROR" \
            --manifest-url "$CI_ONIRO_MANIFEST_URL" \
            --manifest-name "$CI_ONIRO_MANIFEST_NAME" \
            --manifest-branch "$CI_ONIRO_MANIFEST_BRANCH"
@@ -79,8 +79,8 @@
     CI_ONIRO_BUILD_FLAVOUR: ""
     CI_ONIRO_BUILD_CACHE: "private"
     CI_ONIRO_BB_LOCAL_CONF_CONNECTIVITY_CHECK_URIS: "https://example.net/"
-    CI_ONIRO_BB_LOCAL_CONF_DL_DIR: /var/shared/$CI_ONIRO_BUILD_CACHE/bitbake/downloads
-    CI_ONIRO_BB_LOCAL_CONF_SSTATE_DIR: /var/shared/$CI_ONIRO_BUILD_CACHE/bitbake/sstate-cache
+    CI_ONIRO_BB_LOCAL_CONF_DL_DIR: $CI_ONIRO_RUNNER_PERSISTENT_STORAGE/$CI_ONIRO_BUILD_CACHE/bitbake/downloads
+    CI_ONIRO_BB_LOCAL_CONF_SSTATE_DIR: $CI_ONIRO_RUNNER_PERSISTENT_STORAGE/$CI_ONIRO_BUILD_CACHE/bitbake/sstate-cache
     CI_ONIRO_BB_LOCAL_CONF_IMAGE_VERSION_SUFFIX: ""
     CI_ONIRO_BB_LOCAL_CONF_CVE_CHECK_DB_DIR: "$${TMPDIR}/CVE_CHECK/"
     CI_ONIRO_BB_LOCAL_CONF_plus_equals_INHERIT: cve-check
@@ -104,13 +104,16 @@
         echo "precondition failed - cannot define just one of CI_ONIRO_DEVTOOL_RECIPE_NAME and CI_ONIRO_DEVTOOL_LAYER_PATH"
         exit 1
       fi
-    # Bitbake is configured to use /var/shared/$CI_ONIRO_BUILD_CACHE/bitbake
+    # Bitbake is configured to use $CI_ONIRO_RUNNER_PERSISTENT_STORAGE/$CI_ONIRO_BUILD_CACHE/bitbake
     # directory for both the download directory and the sstate-cache.
-    - test -w /var/shared/$CI_ONIRO_BUILD_CACHE/bitbake || (
-        echo "precondition failed - expected /var/shared/$CI_ONIRO_BUILD_CACHE/bitbake to be writable"
+    - test -n "$CI_ONIRO_RUNNER_PERSISTENT_STORAGE" || (
+        echo "precondition failed - CI_ONIRO_RUNNER_PERSISTENT_STORAGE is not set"
+        && exit 1 )
+    - test -w "$CI_ONIRO_RUNNER_PERSISTENT_STORAGE/$CI_ONIRO_BUILD_CACHE/bitbake" || (
+        echo "precondition failed - expected $CI_ONIRO_RUNNER_PERSISTENT_STORAGE/$CI_ONIRO_BUILD_CACHE/bitbake to be writable"
         && exit 1 )
     # Log available disk space on the persistent shared disk.
-    - df -h /var/shared/$CI_ONIRO_BUILD_CACHE/bitbake
+    - df -h "$CI_ONIRO_RUNNER_PERSISTENT_STORAGE/$CI_ONIRO_BUILD_CACHE/bitbake"
     - !reference [.workspace, before_script]
 
   script:
@@ -320,6 +323,8 @@
 # This job is documented in docs/ci/hidden-jobs/aggregate-docs.rst
 .aggregate-docs:
   stage: deploy
+  # TODO: Update the path of the docs repository once the Eclipse migration
+  # is complete.
   trigger: distro/docs
   rules:
     # Update the documentation when things land in the default branch.