Add drone step for creating & pushing docker manifest list + cleanup (#434)

* add drone step for creating & pushing docker manifest + cleanup

* drone sign

.drone.yml

@@ -158,17 +158,10 @@ trigger:
 ---
 kind: pipeline
 type: docker
-name: OSS Release
+name: OSS plugin release
 
 steps:
-  - name: Check Promote
-    image: alpine
-    commands:
-      - if [ -z "$DRONE_DEPLOY_TO" ]; then echo "Missing DRONE_DEPLOY_TO (Target)"; exit 1; fi
-      - if [ -z "$DRONE_TAG" ]; then echo "Missing DRONE_TAG"; exit 1; fi
-      - echo Promoting $DRONE_TAG to $DRONE_DEPLOY_TO
-
-  - name: Build Plugin
+  - name: build plugin
     image: node:14.6.0-stretch
     commands:
       - apt-get update
@@ -178,23 +171,14 @@ steps:
       - yarn --network-timeout 500000
       - yarn build
       - ls ./
-    depends_on:
-      - Check Promote
-    when:
-      event:
-        - promote
-      target:
-        - oss
-      ref:
-        - refs/tags/v*.*.*
 
-  - name: Sign and Package Plugin
+  - name: sign and package plugin
     image: node:14.6.0-stretch
     environment:
       GRAFANA_API_KEY:
         from_secret: gcom_plugin_publisher_api_key
     depends_on:
-      - Build Plugin
+      - build plugin
     commands:
       - apt-get update
       - apt-get install zip
@@ -206,7 +190,7 @@ steps:
       - zip -r grafana-oncall-app.zip ./grafana-oncall-app
       - if [ -z "$DRONE_TAG" ]; then echo "No tag, skipping archive"; else cp grafana-oncall-app.zip grafana-oncall-app-${DRONE_TAG}.zip; fi
 
-  - name: Publish Plugin to grafana.com (release)
+  - name: publish plugin to grafana.com (release)
     image: curlimages/curl:7.73.0
     environment:
       GRAFANA_API_KEY:
@@ -214,32 +198,36 @@ steps:
     commands:
       - "curl -f -s -H \"Authorization: Bearer $${GRAFANA_API_KEY}\" -d \"download[any][url]=https://storage.googleapis.com/grafana-oncall-app/releases/grafana-oncall-app-${DRONE_TAG}.zip\" -d \"download[any][md5]=$$(curl -sL https://storage.googleapis.com/grafana-oncall-app/releases/grafana-oncall-app-${DRONE_TAG}.zip | md5sum | cut -d' ' -f1)\" -d url=https://github.com/grafana/oncall/grafana-plugin https://grafana.com/api/plugins"
     depends_on:
-      - Sign and Package Plugin
+      - sign and package plugin
 
-  - name: Image Tag
+trigger:
+  event:
+    - promote
+  target:
+    - oss
+  ref:
+    - refs/tags/v*.*.*
+
+---
+kind: pipeline
+type: docker
+name: OSS engine release (amd64)
+platform:
+  os: linux
+  arch: amd64
+steps:
+  - name: set engine version
     image: alpine
     commands:
-      - apk add --no-cache bash git sed
-      - git fetch origin --tags
-      - chmod +x ./tools/image-tag.sh
-      - echo $(./tools/image-tag.sh)
-      - echo $(./tools/image-tag.sh) > .tags
+      - apk add --no-cache bash sed
       - if [ -z "$DRONE_TAG" ]; then echo "No tag, not modifying version"; else sed "0,/VERSION.*/ s/VERSION.*/VERSION = \"${DRONE_TAG}\"/g" engine/settings/base.py > engine/settings/base.temp && mv engine/settings/base.temp engine/settings/base.py; fi
       - cat engine/settings/base.py | grep VERSION | head -1
-    depends_on:
-      - Check Promote
-    when:
-      event:
-        - promote
-      target:
-        - oss
-      ref:
-        - refs/tags/v*.*.*
 
-  - name: Build and Push Engine Docker Image Backend to Dockerhub
+  - name: build and push docker image
     image: plugins/docker
     settings:
       repo: grafana/oncall
+      tags: ${DRONE_TAG}-amd64-linux
       dockerfile: engine/Dockerfile
       context: engine/
       password:
@@ -247,21 +235,81 @@ steps:
       username:
         from_secret: docker_username
     depends_on:
-      - Image Tag
-
-  - name: Unrecognized Promote Target
-    image: alpine
-    commands:
-      - echo $DRONE_DEPLOY_TO is not a recognized promote target!
-      - exit 1
-    when:
-      target:
-        exclude:
-          - oss
+      - set engine version
 
 trigger:
   event:
     - promote
+  target:
+    - oss
+  ref:
+    - refs/tags/v*.*.*
+
+---
+kind: pipeline
+type: docker
+name: OSS engine release (arm64)
+platform:
+  os: linux
+  arch: arm64
+steps:
+  - name: set engine version
+    image: alpine
+    commands:
+      - apk add --no-cache bash sed
+      - if [ -z "$DRONE_TAG" ]; then echo "No tag, not modifying version"; else sed "0,/VERSION.*/ s/VERSION.*/VERSION = \"${DRONE_TAG}\"/g" engine/settings/base.py > engine/settings/base.temp && mv engine/settings/base.temp engine/settings/base.py; fi
+      - cat engine/settings/base.py | grep VERSION | head -1
+
+  - name: build and push docker image
+    image: plugins/docker
+    settings:
+      repo: grafana/oncall
+      tags: ${DRONE_TAG}-arm64-linux
+      dockerfile: engine/Dockerfile
+      context: engine/
+      password:
+        from_secret: docker_password
+      username:
+        from_secret: docker_username
+    depends_on:
+      - set engine version
+
+trigger:
+  event:
+    - promote
+  target:
+    - oss
+  ref:
+    - refs/tags/v*.*.*
+
+---
+kind: pipeline
+type: docker
+name: manifest
+steps:
+  - name: manifest
+    image: plugins/manifest
+    settings:
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
+      target: grafana/oncall:${DRONE_TAG}
+      template: grafana/oncall:${DRONE_TAG}-ARCH-OS
+      platforms:
+        - linux/amd64
+        - linux/arm64
+depends_on:
+  - OSS engine release (amd64)
+  - OSS engine release (arm64)
+
+trigger:
+  event:
+    - promote
+  target:
+    - oss
+  ref:
+    - refs/tags/v*.*.*
 
 ---
 # Secret for pulling docker images.
@@ -334,6 +382,6 @@ kind: secret
 name: drone_token
 ---
 kind: signature
-hmac: a74dd831a3d0a87b8fc1db45699a6a834ea769da9f437c55979ae665948c3b3f
+hmac: a52e4cea86ef50bbf7b19a05bec619368281e58927206709ef1e9dfd1df44e0e
 
 ...