Add grabpl step only if platform=linux (#41732)

.drone.yml

@@ -623,12 +623,6 @@ platform:
   version: "1809"
 services: []
 steps:
-- commands:
-  - mkdir -p bin
-  - curl -fL -o bin/grabpl https://grafana-downloads.storage.googleapis.com/grafana-build-pipeline/v2.5.5/grabpl
-  - chmod +x bin/grabpl
-  image: byrnedo/alpine-curl:0.1.8
-  name: grabpl
 - commands:
   - echo $env:DRONE_RUNNER_NAME
   image: mcr.microsoft.com/windows:1809
@@ -1065,12 +1059,6 @@ platform:
   version: "1809"
 services: []
 steps:
-- commands:
-  - mkdir -p bin
-  - curl -fL -o bin/grabpl https://grafana-downloads.storage.googleapis.com/grafana-build-pipeline/v2.5.5/grabpl
-  - chmod +x bin/grabpl
-  image: byrnedo/alpine-curl:0.1.8
-  name: grabpl
 - commands:
   - echo $env:DRONE_RUNNER_NAME
   image: mcr.microsoft.com/windows:1809
@@ -1545,12 +1533,6 @@ platform:
   version: "1809"
 services: []
 steps:
-- commands:
-  - mkdir -p bin
-  - curl -fL -o bin/grabpl https://grafana-downloads.storage.googleapis.com/grafana-build-pipeline/v2.5.5/grabpl
-  - chmod +x bin/grabpl
-  image: byrnedo/alpine-curl:0.1.8
-  name: grabpl
 - commands:
   - echo $env:DRONE_RUNNER_NAME
   image: mcr.microsoft.com/windows:1809
@@ -2012,12 +1994,6 @@ platform:
   version: "1809"
 services: []
 steps:
-- commands:
-  - mkdir -p bin
-  - curl -fL -o bin/grabpl https://grafana-downloads.storage.googleapis.com/grafana-build-pipeline/v2.5.5/grabpl
-  - chmod +x bin/grabpl
-  image: byrnedo/alpine-curl:0.1.8
-  name: grabpl
 - commands:
   - echo $env:DRONE_RUNNER_NAME
   image: mcr.microsoft.com/windows:1809
@@ -2485,12 +2461,6 @@ platform:
   version: "1809"
 services: []
 steps:
-- commands:
-  - mkdir -p bin
-  - curl -fL -o bin/grabpl https://grafana-downloads.storage.googleapis.com/grafana-build-pipeline/v2.5.5/grabpl
-  - chmod +x bin/grabpl
-  image: byrnedo/alpine-curl:0.1.8
-  name: grabpl
 - commands:
   - echo $env:DRONE_RUNNER_NAME
   image: mcr.microsoft.com/windows:1809
@@ -2935,12 +2905,6 @@ platform:
   version: "1809"
 services: []
 steps:
-- commands:
-  - mkdir -p bin
-  - curl -fL -o bin/grabpl https://grafana-downloads.storage.googleapis.com/grafana-build-pipeline/v2.5.5/grabpl
-  - chmod +x bin/grabpl
-  image: byrnedo/alpine-curl:0.1.8
-  name: grabpl
 - commands:
   - echo $env:DRONE_RUNNER_NAME
   image: mcr.microsoft.com/windows:1809
@@ -3407,12 +3371,6 @@ platform:
   version: "1809"
 services: []
 steps:
-- commands:
-  - mkdir -p bin
-  - curl -fL -o bin/grabpl https://grafana-downloads.storage.googleapis.com/grafana-build-pipeline/v2.5.5/grabpl
-  - chmod +x bin/grabpl
-  image: byrnedo/alpine-curl:0.1.8
-  name: grabpl
 - commands:
   - echo $env:DRONE_RUNNER_NAME
   image: mcr.microsoft.com/windows:1809
@@ -3542,6 +3500,6 @@ kind: secret
 name: drone_token
 ---
 kind: signature
-hmac: 73b6a37371bd68484809eb311063fc37319a1cff2eb3aabbdad230ba88e13ff4
+hmac: 434491b80be6d7ca03ed7ca8b9978794ac1bc9ee5037d42bcce9b245c1f76579
 
 ...

scripts/drone/utils/utils.star

@@ -12,6 +12,7 @@ def pipeline(
     is_downstream=False, install_deps=True,
     ):
     if platform != 'windows':
+        grabpl_step = [download_grabpl()]
         platform_conf = {
             'platform': {
                 'os': 'linux',
@@ -24,6 +25,7 @@ def pipeline(
             }
         }
     else:
+        grabpl_step = []
         platform_conf = {
             'platform': {
                 'os': 'windows',
@@ -32,8 +34,6 @@ def pipeline(
             }
         }
 
-    grabpl_step = [download_grabpl()]
-
     pipeline = {
         'kind': 'pipeline',
         'type': 'docker',