feat(ci): promtail cross platform

Build promtail on linux and windows, discard artifacts

.circleci/config.yml

@@ -79,6 +79,14 @@ jobs:
       - checkout
       - setup_remote_docker
 
+      - run:
+          name: Promtail cross platform
+          command: |
+            touch loki-build-image/.uptodate &&
+            make GOOS=linux   BUILD_IN_CONTAINER=false cmd/promtail/promtail
+            rm cmd/promtail/promtail
+            make GOOS=windows BUILD_IN_CONTAINER=false cmd/promtail/promtail
+
       - run:
           name: Build Images
           command: |

Makefile

@@ -266,7 +266,7 @@ clean:
 
 assets:
 	@echo ">> writing assets"
-	go generate -x -v ./pkg/promtail/server/ui
+	GOOS=$(shell go env GOHOSTOS) go generate -x -v ./pkg/promtail/server/ui
 
 check_assets: assets
 	@echo ">> checking that assets are up-to-date"