CI: Move windows-tests into promotion pipeline (#68218)

scripts/drone/events/main.star

@@ -32,7 +32,6 @@ load(
 load(
     "scripts/drone/pipelines/windows.star",
     "windows",
-    "windows_test_backend",
 )
 load(
     "scripts/drone/pipelines/trigger_downstream.star",
@@ -90,8 +89,6 @@ def main_pipelines():
         build_e2e(trigger, ver_mode),
         integration_tests(trigger, prefix = ver_mode, ver_mode = ver_mode),
         windows(trigger, edition = "oss", ver_mode = ver_mode),
-        windows_test_backend(trigger, "oss", ver_mode),
-        windows_test_backend(trigger, "enterprise", ver_mode),
         notify_pipeline(
             name = "notify-drone-changes",
             slack_channel = "slack-webhooks-test",

scripts/drone/events/pr.star

@@ -15,10 +15,6 @@ load(
     "scripts/drone/pipelines/integration_tests.star",
     "integration_tests",
 )
-load(
-    "scripts/drone/pipelines/windows.star",
-    "windows_test_backend",
-)
 load(
     "scripts/drone/pipelines/build.star",
     "build_e2e",
@@ -104,13 +100,6 @@ def pr_pipelines():
             ),
             ver_mode,
         ),
-        windows_test_backend(
-            get_pr_trigger(
-                exclude_paths = ["pkg/**", "packaging/**", "go.sum", "go.mod"],
-            ),
-            "oss",
-            ver_mode,
-        ),
         lint_backend_pipeline(
             get_pr_trigger(
                 include_paths = [

scripts/drone/events/release.star

@@ -61,10 +61,6 @@ load(
     "test_backend",
     "test_backend_enterprise",
 )
-load(
-    "scripts/drone/pipelines/windows.star",
-    "windows_test_backend",
-)
 load("scripts/drone/vault.star", "from_secret", "prerelease_bucket")
 
 ver_mode = "release"
@@ -237,9 +233,6 @@ def oss_pipelines(ver_mode = ver_mode, trigger = release_trigger):
     ]
 
     if ver_mode not in ("release"):
-        pipelines.append(windows_test_backend(trigger, "oss", ver_mode))
-        pipelines.append(windows_test_backend(trigger, "enterprise", ver_mode))
-        windows_pipeline_dependencies.append("{}-oss-test-backend-windows".format(ver_mode))
         pipelines.append(pipeline(
             name = "{}-oss-integration-tests".format(ver_mode),
             edition = "oss",

scripts/drone/pipelines/windows.star

@@ -9,6 +9,7 @@ load(
 load(
     "scripts/drone/steps/lib.star",
     "get_windows_steps",
+    "windows_clone_step",
     "windows_go_image",
     "windows_init_enterprise_steps",
     "windows_test_backend_step",
@@ -26,7 +27,9 @@ def windows_test_backend(trigger, edition, ver_mode):
         A single pipeline running backend tests for Windows
     """
     environment = {"EDITION": edition}
-    steps = []
+    steps = [
+        windows_clone_step(),
+    ]
 
     if edition == "enterprise":
         steps.extend(windows_init_enterprise_steps(ver_mode))
@@ -34,6 +37,7 @@ def windows_test_backend(trigger, edition, ver_mode):
         steps.extend([{
             "name": "windows-init",
             "image": windows_go_image,
+            "depends_on": ["clone"],
             "commands": [],
         }])
 
@@ -41,7 +45,7 @@ def windows_test_backend(trigger, edition, ver_mode):
         windows_wire_install_step(edition),
         windows_test_backend_step(),
     ])
-    return pipeline(
+    pl = pipeline(
         name = "{}-{}-test-backend-windows".format(ver_mode, edition),
         edition = edition,
         trigger = trigger,
@@ -50,6 +54,10 @@ def windows_test_backend(trigger, edition, ver_mode):
         platform = "windows",
         environment = environment,
     )
+    pl["clone"] = {
+        "disable": True,
+    }
+    return pl
 
 def windows(trigger, edition, ver_mode):
     """Generates the pipeline used for building Grafana on Windows.

scripts/drone/steps/lib.star

@@ -688,7 +688,6 @@ def test_backend_step(image = build_image):
 
 def windows_test_backend_step():
     step = test_backend_step(image = windows_go_image)
-    step["failure"] = "ignore"
     return step
 
 def test_backend_integration_step():
@@ -1371,6 +1370,19 @@ def publish_linux_packages_step(edition, package_manager = "deb"):
         },
     }
 
+def windows_clone_step():
+    return {
+        "name": "clone",
+        "image": wix_image,
+        "environment": {
+            "GITHUB_TOKEN": from_secret("github_token"),
+        },
+        "commands": [
+            'git clone "https://$$env:GITHUB_TOKEN@github.com/$$env:DRONE_REPO.git" .',
+            "git checkout -f $$env:DRONE_COMMIT",
+        ],
+    }
+
 def get_windows_steps(edition, ver_mode):
     """Generate the list of Windows steps.