[v10.0.x] CI: Add rgm compatible windows msi pipeline (#71858)

CI: Add rgm compatible windows msi pipeline (#71678)

* Add rgm compatible windows msi pipeline

* Fix dependencies and platform

* Fix missing arg comment

* Fix linting issues

* Try to fix version on file path

* Fix dependency on verify release pipeline

(cherry picked from commit 4caa773401)

scripts/drone/rgm.star

@@ -4,6 +4,10 @@ rgm uses 'github.com/grafana/grafana-build' to build Grafana on the following ev
 * A tag that begins with a 'v'
 """
 
+load(
+    "scripts/drone/steps/lib.star",
+    "get_windows_steps",
+)
 load(
     "scripts/drone/utils/utils.star",
     "pipeline",
@@ -99,14 +103,28 @@ def rgm_tag():
         depends_on = [],
     )
 
+def rgm_windows():
+    return pipeline(
+        name = "rgm-tag-prerelease-windows",
+        trigger = tag_trigger,
+        steps = get_windows_steps(
+            ver_mode = "release",
+            bucket = "grafana-prerelease-dev",
+        ),
+        depends_on = ["rgm-tag-prerelease"],
+        platform = "windows",
+        environment = {"EDITION": "oss"},
+    )
+
 def rgm():
     return [
         rgm_main(),
         rgm_tag(),
+        rgm_windows(),
         verify_release_pipeline(
             name = "rgm-tag-verify-prerelease-assets",
             trigger = tag_trigger,
-            depends_on = ["rgm-tag-prerelease"],
+            depends_on = ["rgm-tag-prerelease", "rgm-tag-prerelease-windows"],
             bucket = "grafana-prerelease-dev",
         ),
     ]

scripts/drone/steps/lib.star

@@ -16,7 +16,7 @@ load(
     "windows_images",
 )
 
-grabpl_version = "v3.0.39"
+grabpl_version = "v3.0.40"
 
 trigger_oss = {
     "repo": [
@@ -1199,11 +1199,12 @@ def windows_clone_step():
         ],
     }
 
-def get_windows_steps(ver_mode):
+def get_windows_steps(ver_mode, bucket = "%PRERELEASE_BUCKET%"):
     """Generate the list of Windows steps.
 
     Args:
       ver_mode: used to differentiate steps for different version modes.
+      bucket: used to override prerelease bucket.
 
     Returns:
       List of Drone steps.
@@ -1233,13 +1234,13 @@ def get_windows_steps(ver_mode):
         "release",
         "release-branch",
     ):
-        bucket = "%PRERELEASE_BUCKET%/artifacts/downloads"
+        gcp_bucket = "{}/artifacts/downloads".format(bucket)
         if ver_mode == "release":
             ver_part = "${DRONE_TAG}"
             dir = "release"
         else:
             dir = "main"
-            bucket = "grafana-downloads"
+            gcp_bucket = "grafana-downloads"
             build_no = "DRONE_BUILD_NUMBER"
             ver_part = "--build-id $$env:{}".format(build_no)
         installer_commands = [
@@ -1253,9 +1254,11 @@ def get_windows_steps(ver_mode):
         ]
 
         if ver_mode in ("release",):
+            version = "${DRONE_TAG:1}"
             installer_commands.extend(
                 [
-                    ".\\grabpl.exe windows-installer --edition oss {}".format(
+                    ".\\grabpl.exe windows-installer --target {} --edition oss {}".format(
+                        "gs://{}/{}/oss/{}/grafana-{}.windows-amd64.zip".format(gcp_bucket, ver_part, ver_mode, version),
                         ver_part,
                     ),
                     '$$fname = ((Get-Childitem grafana*.msi -name) -split "`n")[0]',
@@ -1264,9 +1267,9 @@ def get_windows_steps(ver_mode):
             if ver_mode == "main":
                 installer_commands.extend(
                     [
-                        "gsutil cp $$fname gs://{}/oss/{}/".format(bucket, dir),
+                        "gsutil cp $$fname gs://{}/oss/{}/".format(gcp_bucket, dir),
                         'gsutil cp "$$fname.sha256" gs://{}/oss/{}/'.format(
-                            bucket,
+                            gcp_bucket,
                             dir,
                         ),
                     ],
@@ -1275,12 +1278,12 @@ def get_windows_steps(ver_mode):
                 installer_commands.extend(
                     [
                         "gsutil cp $$fname gs://{}/{}/oss/{}/".format(
-                            bucket,
+                            gcp_bucket,
                             ver_part,
                             dir,
                         ),
                         'gsutil cp "$$fname.sha256" gs://{}/{}/oss/{}/'.format(
-                            bucket,
+                            gcp_bucket,
                             ver_part,
                             dir,
                         ),