Drone: Make parallel step for publishing front-end metrics (#27457)

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

.drone.yml

@@ -298,6 +298,14 @@ steps:
   image: grafana/build-container:1.2.26
   commands:
   - yarn run ci:test-frontend
+  environment:
+    TEST_MAX_WORKERS: 50%
+  depends_on:
+  - initialize
+
+- name: frontend-metrics
+  image: grafana/build-container:1.2.26
+  commands:
   - ./scripts/ci-frontend-metrics.sh | ./bin/grabpl publish-metrics $${GRAFANA_MISC_STATS_API_KEY}
   environment:
     GRAFANA_MISC_STATS_API_KEY:

scripts/lib.star

@@ -82,7 +82,8 @@ def master_pipelines(edition):
         codespell_step(),
         shellcheck_step(),
         test_backend_step(),
-        test_frontend_step(publish_metrics=True),
+        test_frontend_step(),
+        frontend_metrics_step(),
         build_backend_step(edition=edition),
         build_frontend_step(edition=edition),
         build_plugins_step(edition=edition),
@@ -353,13 +354,8 @@ def test_backend_step():
         ],
     }
 
-def test_frontend_step(publish_metrics=False):
-    cmds = [
-        'yarn run ci:test-frontend',
-    ]
-    if publish_metrics:
-        cmds.append('./scripts/ci-frontend-metrics.sh | ./bin/grabpl publish-metrics $${GRAFANA_MISC_STATS_API_KEY}')
-    dct = {
+def test_frontend_step():
+    return {
         'name': 'test-frontend',
         'image': build_image,
         'depends_on': [
@@ -368,16 +364,28 @@ def test_frontend_step(publish_metrics=False):
         'environment': {
             'TEST_MAX_WORKERS': '50%',
         },
-        'commands': cmds,
+        'commands': [
+            'yarn run ci:test-frontend',
+        ],
     }
-    if publish_metrics:
-        dct['environment'] = {
+
+def frontend_metrics_step():
+    return {
+        'name': 'frontend-metrics',
+        'image': build_image,
+        'depends_on': [
+            'initialize',
+        ],
+        'environment': {
             'GRAFANA_MISC_STATS_API_KEY': {
                 'from_secret': 'grafana_misc_stats_api_key',
             },
-        }
+        },
+        'commands': [
+            './scripts/ci-frontend-metrics.sh | ./bin/grabpl publish-metrics $${GRAFANA_MISC_STATS_API_KEY}',
+        ],
+    }
 
-    return dct
 
 def codespell_step():
     return {