add build job for lambda-promtail-arm64 image

.drone/drone.jsonnet

@@ -84,6 +84,10 @@ local clients_docker(arch, app) = {
 local lambda_promtail_ecr(app) = {
   name: '%s-image' % if $.settings.dry_run then 'build-' + app else 'publish-' + app,
   image: 'cstyan/ecr',
+  platform: {
+    os: 'linux',
+    arch: 'amd64',
+  },
   privileged: true,
   settings: {
     repo: 'public.ecr.aws/grafana/lambda-promtail',
@@ -96,6 +100,44 @@ local lambda_promtail_ecr(app) = {
   },
 };
 
+local lambda_promtail_ecr_arm64(app) = {
+  name: '%s-image' % if $.settings.dry_run then 'build-' + app else 'publish-' + app,
+  image: 'cstyan/ecr',
+  platform: {
+    os: 'linux',
+    arch: 'amd64',
+  },
+  privileged: true,
+  settings: {
+    repo: 'public.ecr.aws/grafana/lambda-promtail',
+    registry: 'public.ecr.aws/grafana',
+    dockerfile: 'tools/%s/Dockerfile.arm64' % app,
+    access_key: { from_secret: ecr_key.name },
+    secret_key: { from_secret: ecr_secret_key.name },
+    dry_run: false,
+    region: 'us-east-1',
+  },
+};
+
+// local lambda_promtail_ecr_arm64(app) = {
+//   name: '%s-image' % if $.settings.dry_run then 'build-' + app else 'publish-' + app,
+//   image: 'cstyan/ecr:arm64',
+//   platform: {
+//     os: 'linux',
+//     arch: 'arm64',
+//   },
+//   privileged: true,
+//   settings: {
+//     repo: 'public.ecr.aws/grafana/lambda-promtail',
+//     registry: 'public.ecr.aws/grafana',
+//     dockerfile: 'tools/%s/Dockerfile' % app,
+//     access_key: { from_secret: ecr_key.name },
+//     secret_key: { from_secret: ecr_secret_key.name },
+//     dry_run: false,
+//     region: 'us-east-1',
+//   },
+// };
+
 local arch_image(arch, tags='') = {
   platform: {
     os: 'linux',
@@ -229,7 +271,7 @@ local promtail(arch) = pipeline('promtail-' + arch) + arch_image(arch) {
   depends_on: ['check'],
 };
 
-local lambda_promtail(tags='') = pipeline('lambda-promtail') {
+local lambda_promtail_amd64(tags='') = pipeline('lambda-promtail-amd64') {
   steps+: [
     {
       name: 'image-tag',
@@ -258,6 +300,35 @@ local lambda_promtail(tags='') = pipeline('lambda-promtail') {
   depends_on: ['check'],
 };
 
+local lambda_promtail_arm64(tags='') = pipeline('lambda-promtail-arm64') {
+  steps+: [
+    {
+      name: 'image-tag',
+      image: 'alpine',
+      commands: [
+        'apk add --no-cache bash git',
+        'git fetch origin --tags',
+        'echo $(./tools/image-tag)-arm64 > .tags',
+      ] + if tags != '' then ['echo ",%s" >> .tags' % tags] else [],
+    },
+    lambda_promtail_ecr_arm64('lambda-promtail') {
+      depends_on: ['image-tag'],
+      when: condition('exclude').tagMain,
+      settings+: {
+        dry_run: true,
+      },
+    },
+  ] + [
+    // publish for tag or main
+    lambda_promtail_ecr_arm64('lambda-promtail') {
+      depends_on: ['image-tag'],
+      when: condition('include').tagMain,
+      settings+: {},
+    },
+  ],
+  depends_on: ['check'],
+};
+
 local multiarch_image(arch) = pipeline('docker-' + arch) + arch_image(arch) {
   steps+: [
     // dry run for everything that is not tag or main
@@ -459,5 +530,6 @@ local manifest(apps) = pipeline('manifest') {
     ],
   },
 ] + [promtail_win()]
-+ [lambda_promtail('main')]
++ [lambda_promtail_amd64('main')]
++ [lambda_promtail_arm64('main')]
 + [github_secret, pull_secret, docker_username_secret, docker_password_secret, ecr_key, ecr_secret_key, deploy_configuration]

.drone/drone.yml

@@ -965,7 +965,7 @@ trigger:
 depends_on:
 - check
 kind: pipeline
-name: lambda-promtail
+name: lambda-promtail-amd64
 steps:
 - commands:
   - apk add --no-cache bash git
@@ -978,6 +978,9 @@ steps:
   - image-tag
   image: cstyan/ecr
   name: build-lambda-promtail-image
+  platform:
+    arch: amd64
+    os: linux
   privileged: true
   settings:
     access_key:
@@ -999,6 +1002,9 @@ steps:
   - image-tag
   image: cstyan/ecr
   name: publish-lambda-promtail-image
+  platform:
+    arch: amd64
+    os: linux
   privileged: true
   settings:
     access_key:
@@ -1021,6 +1027,71 @@ trigger:
   - push
   - pull_request
 ---
+depends_on:
+- check
+kind: pipeline
+name: lambda-promtail-arm64
+steps:
+- commands:
+  - apk add --no-cache bash git
+  - git fetch origin --tags
+  - echo $(./tools/image-tag)-arm64 > .tags
+  - echo ",main" >> .tags
+  image: alpine
+  name: image-tag
+- depends_on:
+  - image-tag
+  image: cstyan/ecr
+  name: build-lambda-promtail-image
+  platform:
+    arch: amd64
+    os: linux
+  privileged: true
+  settings:
+    access_key:
+      from_secret: ecr_key
+    dockerfile: tools/lambda-promtail/Dockerfile.arm64
+    dry_run: true
+    region: us-east-1
+    registry: public.ecr.aws/grafana
+    repo: public.ecr.aws/grafana/lambda-promtail
+    secret_key:
+      from_secret: ecr_secret_key
+  when:
+    ref:
+      exclude:
+      - refs/heads/main
+      - refs/heads/k??
+      - refs/tags/v*
+- depends_on:
+  - image-tag
+  image: cstyan/ecr
+  name: publish-lambda-promtail-image
+  platform:
+    arch: amd64
+    os: linux
+  privileged: true
+  settings:
+    access_key:
+      from_secret: ecr_key
+    dockerfile: tools/lambda-promtail/Dockerfile.arm64
+    dry_run: false
+    region: us-east-1
+    registry: public.ecr.aws/grafana
+    repo: public.ecr.aws/grafana/lambda-promtail
+    secret_key:
+      from_secret: ecr_secret_key
+  when:
+    ref:
+      include:
+      - refs/heads/main
+      - refs/heads/k??
+      - refs/tags/v*
+trigger:
+  event:
+  - push
+  - pull_request
+---
 get:
   name: pat
   path: infra/data/ci/github/grafanabot
@@ -1064,6 +1135,6 @@ kind: secret
 name: deploy_config
 ---
 kind: signature
-hmac: 8b3b13c0697e37fe9e39c422c375bb95c250ca3614bed5bb4697328ab89d1e68
+hmac: 278bcda31d5ffb54849fc0cc766d893b4e1afaceea13d7383f8e473260180f9a
 
 ...

tools/lambda-promtail/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1-alpine3.14 AS build-image
+FROM golang:alpine3.15 AS build-image
 
 COPY tools/lambda-promtail /src/lambda-promtail
 WORKDIR /src/lambda-promtail

tools/lambda-promtail/Dockerfile.arm64

@@ -0,0 +1,23 @@
+FROM golang:alpine3.15 AS build-image
+
+ENV GOARCH=arm64
+
+COPY tools/lambda-promtail /src/lambda-promtail
+WORKDIR /src/lambda-promtail
+
+RUN go version
+
+RUN apk update && apk upgrade && \
+    apk add --no-cache bash git
+
+RUN go mod download
+RUN go build -o ./main -tags lambda.norpc -ldflags="-s -w" lambda-promtail/*.go
+
+
+FROM alpine:3.14
+
+WORKDIR /app
+
+COPY --from=build-image /src/lambda-promtail/main ./
+
+ENTRYPOINT ["/app/main"]