.gitlab-ci.yml: Honour AUTOBUILD_SKIP_SAMBA_O3 in GitLab CI

GitLab CI resources are expensive and often rationed so
provide a way to test other things without testing an -O3
build also, as this will save 9 jobs.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14861

Signed-off-by: Andrew Bartlett <[email protected]>
Reviewed-by: Ralph Boehme <[email protected]>

Author: abartlet

.gitlab-ci-default.yml

@@ -3,6 +3,7 @@ variables:
   # "--enable-coverage" or ""
   # See .gitlab-ci-coverage.yml
   SAMBA_CI_AUTOBUILD_ENABLE_COVERAGE: ""
+  AUTOBUILD_SKIP_SAMBA_O3: "0"
 
 include:
   - /.gitlab-ci-default-runners.yml

.gitlab-ci-main.yml

@@ -514,16 +514,24 @@ ubuntu1804-samba-o3:
     AUTOBUILD_JOB_NAME: samba-o3
     SAMBA_CI_JOB_IMAGE: ${SAMBA_CI_CONTAINER_IMAGE_ubuntu1804}
     SAMBA_CI_AUTOBUILD_ENABLE_COVERAGE: "--enable-coverage"
+  only:
+    variables:
+      # do not run o3 builds (which run a lot of VMs) if told not to
+      # (this uses the same variable as autobuild.py)
+      - $AUTOBUILD_SKIP_SAMBA_O3 == "0"
 
 # All other jobs do not want code coverage.
 .samba-o3-template:
   extends: .shared_template
   variables:
     AUTOBUILD_JOB_NAME: samba-o3
-  only:
-    variables:
-      # do not run o3 for coverage since they are using different images
-      - $SAMBA_CI_AUTOBUILD_ENABLE_COVERAGE == ""
+  rules:
+    # do not run o3 builds (which run a lot of VMs) if told not to
+    # (this uses the same variable as autobuild.py)
+    - if: $AUTOBUILD_SKIP_SAMBA_O3 == "1"
+      when: never
+    # do not run o3 for coverage since they are using different images
+    - if: $SAMBA_CI_AUTOBUILD_ENABLE_COVERAGE == ""
 
 ubuntu2004-samba-o3:
   extends: .samba-o3-template