ci: generate lava-test badge

lava-test badge shows success rate for on device testing in lava.

Signed-off-by: Chase Qi <chase.qi@linaro.org>

.gitlab-ci.yml

@@ -186,6 +186,10 @@ lava-report:
   needs: [lava-qemu-x86, lava-qemu-x86_64, lava-zephyr-96b-nitrogen-tests, lava-zephyr-qemu-cortex-m3, lava-zephyr-qemu-x86]
   extends: .lava-report
 
+lava-badge:
+  needs: [lava-report]
+  extends: .lava-badge
+
 .build-with-kaniko:
   stage: build
   image:

.oniro-ci/test-generic.yaml

@@ -125,3 +125,27 @@
     # Run the build when a tag is placed.
     - if: '$CI_COMMIT_TAG'
       when: manual
+
+.lava-badge:
+  interruptible: true
+  image:
+    name: registry.booting.oniroproject.org/distro/oniro/bitbake-builder:latest
+  stage: report
+  variables:
+    GIT_STRATEGY: none
+  script:
+    - |
+      set -x
+      curl --silent "$CI_API_V4_URL/projects/$CI_PROJECT_ID/pipelines/$CI_PIPELINE_ID/test_report" > test-report.json
+      total_count="$(jq '.total_count' test-report.json)"
+      success_count="$(jq '.success_count' test-report.json)"
+      success_rate=$(( 100 * success_count / total_count ))
+      anybadge --label=lava-test --value=${success_rate} --suffix='%' --file=lava-test.svg 50=red 60=orange 80=yellow 100=green
+      set +x
+  artifacts:
+    when: always
+    paths:
+      - lava-test.svg
+  rules:
+    # Run the build when it is scheduled.
+    - if: $CI_PIPELINE_SOURCE == "schedule"