Add build image for windows boringcrypto executable.

.drone/drone.yml

@@ -44,8 +44,9 @@ steps:
   - docker login -u $DOCKER_LOGIN -p $DOCKER_PASSWORD
   - docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
   - docker buildx create --name multiarch --driver docker-container --use
-  - docker buildx build --push --platform linux/amd64,linux/arm64 -t grafana/agent-build-image:$IMAGE_TAG
-    ./build-image/boringcrypto
+  - docker buildx build --build-arg="GO_RUNTIME=mcr.microsoft.com/oss/go/microsoft/golang:1.22-bullseye"
+    --push --platform linux/amd64,linux/arm64 -t grafana/agent-build-image:$IMAGE_TAG
+    ./build-image
   environment:
     DOCKER_LOGIN:
       from_secret: docker_login
@@ -1349,8 +1350,3 @@ get:
   path: infra/data/ci/github/updater-app
 kind: secret
 name: updater_private_key
----
-kind: signature
-hmac: d66a28c3489b7a19b64e82590630ceed4fc71789a76b3da8564c2aae604253ad
-
-...

.drone/pipelines/build_images.jsonnet

@@ -55,7 +55,7 @@ local locals = {
         'docker login -u $DOCKER_LOGIN -p $DOCKER_PASSWORD',
         'docker run --rm --privileged multiarch/qemu-user-static --reset -p yes',
         'docker buildx create --name multiarch --driver docker-container --use',
-        'docker buildx build --push --platform linux/amd64,linux/arm64 -t grafana/agent-build-image:$IMAGE_TAG ./build-image/boringcrypto',
+        'docker buildx build --build-arg="GO_RUNTIME=mcr.microsoft.com/oss/go/microsoft/golang:1.22-bullseye" --push --platform linux/amd64,linux/arm64 -t grafana/agent-build-image:$IMAGE_TAG ./build-image',
       ],
     }],
     volumes: [{

build-image/Dockerfile

@@ -4,6 +4,10 @@
 # default when running `docker buildx build` or when DOCKER_BUILDKIT=1 is set
 # in environment variables.
 
+# NOTE: The GO_RUNTIME is used to switch between the default google go runtime and  mcr.microsoft.com/oss/go/microsoft/golang:1.22-bullseye which is a microsoft
+# fork of go that allows using windows crypto instead of boring crypto. Details at https://github.com/microsoft/go/tree/microsoft/main/eng/doc/fips
+ARG GO_RUNTIME=golang:1.22.0-bullseye
+
 #
 # Dependencies
 #
@@ -23,7 +27,7 @@ FROM alpine:3.17 as helm
 RUN apk add --no-cache helm
 
 # Dependency: Go and Go dependencies
-FROM golang:1.22.0-bullseye as golang
+FROM ${GO_RUNTIME} as golang
 
 # Keep in sync with cmd/grafana-agent-operator/DEVELOPERS.md
 ENV CONTROLLER_GEN_VERSION v0.9.2