use promotion event to chain pipelines

.drone.yml

@@ -15,13 +15,12 @@ steps:
       - name: docker-socket
         path: /var/run/docker.sock
     environment:
-      GITEA_API_TOKEN:
-        from_secret: gitea_api_token
+      DRONE_API_TOKEN:
+        from_secret: drone_api_token
       REGISTRY_PWD:
         from_secret: registry_pwd
     commands:
-      - apk add git curl jq
-      - echo "Checking for new server version"
+      - apk add git curl
       # collect info from upstream repository
       - git clone https://github.com/drone/drone.git
       - cd drone
@@ -30,33 +29,16 @@ steps:
       - COMMIT_HASH=$(git log -n 1 --pretty=%H)
       # collect info from current image
       - echo $REGISTRY_PWD | docker login -u drone --password-stdin registry.jfmonty2.com
-      # defaults to 0 if image can't be found
-      - docker pull registry.jfmonty2.com/drone-server:latest || true
-      - IMAGE_COMMIT_HASH=$(docker image inspect -f '{{ .Config.Labels.drone_commit_hash }}' registry.jfmonty2.com/drone-server:latest || echo 0)
-      # compare and trigger build if necessary
+      - docker pull registry.jfmonty2.com/drone-server:latest
+      - IMAGE_COMMIT_HASH=$(docker image inspect -f '{{ .Config.Labels.drone_commit_hash }}' registry.jfmonty2.com/drone-server:latest)
+      # compare and trigger CI if necessary
       - |
         if [[ $COMMIT_HASH != $IMAGE_COMMIT_HASH ]]; then
-          echo -e '\033[1;33mUpdates available, triggering server build.\033[0m'
-          curl -X POST -H "Authorization: token $GITEA_API_TOKEN" -H "Content-Type: application/json" \
-          https://git.jfmonty2.com/api/v1/repos/jfmonty2/drone/tags -d "{\"tag_name\": \"server-$LATEST_VERSION\"}"
+          echo 'Updates available, triggering build pipeline.'
+          curl -X POST -H "Authorization: Bearer $DRONE_API_TOKEN" \
+          https://drone.jfmonty2.com/api/repos/jfmonty2/drone/builds/$DRONE_BUILD_NUMBER/promote?target=server-build
         else
-          echo -e '\033[0;32mServer is already up to date.\033[0m'
-        fi
-      # now check for runner
-      - echo "Checking for new runner version"
-      - RELEASE=$(curl https://api.github.com/repos/drone-runners/drone-runner-exec/releases | jq -r '.[0]')
-      - LATEST_VERSION=$(echo $RELEASE | jq -r '.tag_name')
-      # get version of currently running instance (also defaults to 0 if not found)
-      - docker pull registry.jfmonty2.com/drone-runner-exec:latest || true
-      - CURRENT_VERSION=$(docker image inspect -f '{{ .Config.Labels.drone_runner_version }}' registry.jfmonty2.com/drone-runner-exec:latest || echo 0)
-      # compare and trigger build if necessary
-      - |
-        if [[ $LATEST_VERSION != $CURRENT_VERSION ]]; then
-          echo -e '\033[1;33mNew release available, triggering runner build.\033[0m'
-          curl -X POST -H "Authorization: token $GITEA_API_TOKEN" -H "Content-Type: application/json" \
-          https://git.jfmonty2.com/api/v1/repos/jfmonty2/drone/tags -d "{\"tag_name\": \"runner-exec-$LATEST_VERSION\"}"
-        else
-          echo -e '\033[0;32mRunner is already up to date.\033[0m'
+          echo 'Image is already up to date.'
         fi
 
 volumes:
@@ -68,13 +50,13 @@ volumes:
 ---
 kind: pipeline
 type: docker
-name: server
+name: main
 
 trigger:
   event:
-    - tag
-  ref:
-    - refs/tags/server-*
+    - promote
+  target:
+    server-build
 
 steps:
   - name: prepare
@@ -91,7 +73,7 @@ steps:
       - LATEST_VERSION=$(git tag --sort v:refname | grep '^v[0-9]\{1,\}\.[0-9]\{1,\}\.[0-9]\{1,\}$' | tail -n 1)
       - git checkout $LATEST_VERSION
       - printf $(git log -n 1 --pretty=%H) > ../commit_hash # we'll need this for the docker build
-      - GOLANG_IMG=$(yq eval 'select(documentIndex == 0) | .steps[0].image' .drone.yml)
+      - GOLANG_IMG=$(yq read .drone.yml 'steps[0].image')
       - docker pull $GOLANG_IMG
       - docker tag $GOLANG_IMG drone-builder:latest
       - docker image rm $GOLANG_IMG
@@ -137,54 +119,9 @@ steps:
       - echo $REGISTRY_PWD | docker login -u drone --password-stdin registry.jfmonty2.com
       - docker push registry.jfmonty2.com/drone-server:latest
 
+
 volumes:
   - name: docker-socket
     host:
       path: /var/run/docker.sock
 
----
-kind: pipeline
-type: docker
-name: runner-exec
-
-trigger: 
-  event: 
-    - tag
-  ref:
-    - refs/tags/runner-exec-*
-
-steps:
-  - name: docker-build
-    image: docker:latest
-    volumes:
-      - name: docker-socket
-        path: /var/run/docker.sock
-    commands:
-      # get version number
-      - apk add curl jq
-      - RUNNER_VERSION=$(curl https://api.github.com/repos/drone-runners/drone-runner-exec/releases | jq -r '.[0].tag_name')
-      # get the binary
-      - cd runner-exec
-      - curl -L https://github.com/drone-runners/drone-runner-exec/releases/latest/download/drone_runner_exec_linux_amd64.tar.gz | tar xz
-      - >
-        docker build
-        -t registry.jfmonty2.com/drone-runner-exec:latest 
-        --label drone_runner_version=$RUNNER_VERSION
-        .
-
-  - name: deploy
-    image: docker:latest
-    volumes:
-      - name: docker-socket
-        path: /var/run/docker.sock
-    environment:
-      REGISTRY_PWD: 
-        from_secret: registry_pwd
-    commands:
-      - echo $REGISTRY_PWD | docker login -u drone --password-stdin registry.jfmonty2.com
-      - docker push registry.jfmonty2.com/drone-runner-exec:latest
-
-volumes:
-  - name: docker-socket
-    host:
-      path: /var/run/docker.sock

runner-exec/Dockerfile

@@ -1,9 +0,0 @@
-FROM alpine:latest
-
-RUN echo 'http://dl-cdn.alpinelinux.org/alpine/edge/community' >> /etc/apk/repositories
-RUN apk update --no-cache
-RUN apk add --no-cache git curl jq yq python3 docker-cli
-RUN ln -s /usr/bin/python3 /usr/bin/python
-
-COPY ./drone-runner-exec /bin/
-CMD ["drone-runner-exec"]