[PATCH-for-6.1 v3 4/4] gitlab-ci: Extract OpenSBI job rules and fix 'when:' condition

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

First, all jobs depending on 'docker-opensbi' job must use at most
all the rules that triggers it. The simplest way to ensure that is
to always use the same rules. Extract all the rules to a reusable
section, and include this section (with the 'extends' keyword) in
both 'docker-opensbi' and 'build-opensbi' jobs.

Second, jobs depending on another should not use the 'when: always'
condition, because if a dependency failed we should not keep running
jobs depending on it. The correct condition is 'when: on_success'.

The problems were introduced in commit c6fc0fc1a71 ("gitlab-ci.yml:
Add jobs to build OpenSBI firmware binaries"), but were revealed in
commit 91e9c47e50a ("docker: OpenSBI build job depends on OpenSBI
container").

This fix is similar to the one used with the EDK2 firmware job in
commit ac0595cf6b3 ("gitlab-ci: Extract EDK2 job rules to reusable
section").

Reported-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 .gitlab-ci.d/opensbi.yml | 30 ++++++++++++++++++------------
 1 file changed, 18 insertions(+), 12 deletions(-)

diff --git a/.gitlab-ci.d/opensbi.yml b/.gitlab-ci.d/opensbi.yml
index f66cd1d9089..5e0a2477c5d 100644
--- a/.gitlab-ci.d/opensbi.yml
+++ b/.gitlab-ci.d/opensbi.yml
@@ -1,10 +1,23 @@
-docker-opensbi:
- stage: containers
- rules: # Only run this job when the Dockerfile is modified
+# All jobs needing docker-opensbi must use the same rules it uses.
+.opensbi_job_rules:
+ rules: # Only run this job when ...
  - changes:
+   # this file is modified
    - .gitlab-ci.d/opensbi.yml
+   # or the Dockerfile is modified
    - .gitlab-ci.d/opensbi/Dockerfile
-   when: always
+   when: on_success
+ - changes: # or roms/opensbi/ is modified (submodule updated)
+   - roms/opensbi/*
+   when: on_success
+ - if: '$CI_COMMIT_REF_NAME =~ /^opensbi/' # or the branch/tag starts with 'opensbi'
+   when: on_success
+ - if: '$CI_COMMIT_MESSAGE =~ /opensbi/i' # or last commit description contains 'OpenSBI'
+   when: on_success
+
+docker-opensbi:
+ extends: .opensbi_job_rules
+ stage: containers
  image: docker:19.03.1
  services:
  - docker:19.03.1-dind
@@ -24,16 +37,9 @@ docker-opensbi:
  - docker push $IMAGE_TAG
 
 build-opensbi:
+ extends: .opensbi_job_rules
  stage: build
  needs: ['docker-opensbi']
- rules: # Only run this job when ...
- - changes: # ... roms/opensbi/ is modified (submodule updated)
-   - roms/opensbi/*
-   when: always
- - if: '$CI_COMMIT_REF_NAME =~ /^opensbi/' # or the branch/tag starts with 'opensbi'
-   when: always
- - if: '$CI_COMMIT_MESSAGE =~ /opensbi/i' # or last commit description contains 'OpenSBI'
-   when: always
  artifacts:
    paths: # 'artifacts.zip' will contains the following files:
    - pc-bios/opensbi-riscv32-generic-fw_dynamic.bin
-- 
2.31.1