Build/CI: Make integration-tests depend on initialize (#40782)

* Make integration tests depend on initialize

* Reorder steps for better visualisation

scripts/drone/pipelines/main.star

@@ -61,6 +61,8 @@ def get_steps(edition, is_downstream=False):
         test_backend_step(edition=edition),
         test_backend_integration_step(edition=edition),
         test_frontend_step(),
+        postgres_integration_tests_step(),
+        mysql_integration_tests_step(),
         build_backend_step(edition=edition, ver_mode=ver_mode, is_downstream=is_downstream),
         build_frontend_step(edition=edition, ver_mode=ver_mode, is_downstream=is_downstream),
         build_plugins_step(edition=edition, sign=True),
@@ -90,8 +92,6 @@ def get_steps(edition, is_downstream=False):
         copy_packages_for_docker_step(),
         build_docker_images_step(edition=edition, ver_mode=ver_mode, publish=publish),
         build_docker_images_step(edition=edition, ver_mode=ver_mode, ubuntu=True, publish=publish),
-        postgres_integration_tests_step(),
-        mysql_integration_tests_step(),
     ])
 
     if include_enterprise2:

scripts/drone/pipelines/pr.star

@@ -53,6 +53,8 @@ def pr_pipelines(edition):
         test_backend_step(edition=edition),
         test_backend_integration_step(edition=edition),
         test_frontend_step(),
+        postgres_integration_tests_step(),
+        mysql_integration_tests_step(),
         build_backend_step(edition=edition, ver_mode=ver_mode, variants=variants),
         build_frontend_step(edition=edition, ver_mode=ver_mode),
         build_plugins_step(edition=edition),
@@ -82,8 +84,6 @@ def pr_pipelines(edition):
         build_docs_website_step(),
         copy_packages_for_docker_step(),
         build_docker_images_step(edition=edition, ver_mode=ver_mode, archs=['amd64',]),
-        postgres_integration_tests_step(),
-        mysql_integration_tests_step(),
     ])
 
     if include_enterprise2:

scripts/drone/pipelines/release.star

@@ -89,6 +89,8 @@ def get_steps(edition, ver_mode):
         test_backend_step(edition=edition),
         test_backend_integration_step(edition=edition),
         test_frontend_step(),
+        postgres_integration_tests_step(),
+        mysql_integration_tests_step(),
         build_backend_step(edition=edition, ver_mode=ver_mode),
         build_frontend_step(edition=edition, ver_mode=ver_mode),
         build_plugins_step(edition=edition, sign=True),
@@ -113,8 +115,6 @@ def get_steps(edition, ver_mode):
         copy_packages_for_docker_step(),
         build_docker_images_step(edition=edition, ver_mode=ver_mode, publish=should_publish),
         build_docker_images_step(edition=edition, ver_mode=ver_mode, ubuntu=True, publish=should_publish),
-        postgres_integration_tests_step(),
-        mysql_integration_tests_step(),
     ])
 
     build_storybook = build_storybook_step(edition=edition, ver_mode=ver_mode)

scripts/drone/steps/lib.star

@@ -681,8 +681,7 @@ def postgres_integration_tests_step():
         'name': 'postgres-integration-tests',
         'image': build_image,
         'depends_on': [
-            'test-backend',
-            'test-frontend',
+            'initialize',
         ],
         'environment': {
             'PGPASSWORD': 'grafanatest',
@@ -706,8 +705,7 @@ def mysql_integration_tests_step():
         'name': 'mysql-integration-tests',
         'image': build_image,
         'depends_on': [
-            'test-backend',
-            'test-frontend',
+            'initialize',
         ],
         'environment': {
             'GRAFANA_TEST_DB': 'mysql',
@@ -795,8 +793,6 @@ def upload_packages_step(edition, ver_mode, is_downstream=False):
 
     dependencies = [
         'end-to-end-tests' + enterprise2_suffix(edition),
-        'mysql-integration-tests',
-        'postgres-integration-tests',
     ]
 
     if edition in ('enterprise', 'enterprise2'):