kind: pipeline
type: kubernetes
name: frontend

concurrency:
  limit: 1

timeout: 20

trigger:
  branch:
    - master
  event:
    - push

steps:
  - name: Build frontend image
    image: plugins/docker
    settings:
      username: viktorbarzin
      password:
        from_secret: dockerhub-token
      repo: viktorbarzin/immoweb
      dockerfile: frontend/Dockerfile
      context: frontend
      tags:
        - latest
        - ${DRONE_BUILD_NUMBER}

  - name: Update deployment
    image: alpine
    commands:
      - apk add curl
      - 'curl -s -X PATCH "https://kubernetes:6443/apis/apps/v1/namespaces/realestate-crawler/deployments/realestate-crawler-ui" -H "Authorization: Bearer $(cat /var/run/secrets/kubernetes.io/serviceaccount/token)" -H "Content-Type: application/json-patch+json" -k -d ''[{"op":"replace","path":"/spec/template/spec/containers/0/image","value":"viktorbarzin/immoweb:''"$DRONE_BUILD_NUMBER"''"}]'' | head'

  - name: Wait for rollout
    image: alpine
    commands:
      - apk add --no-cache curl jq
      - >-
        TOKEN=$(cat /var/run/secrets/kubernetes.io/serviceaccount/token);
        API="https://kubernetes:6443/apis/apps/v1/namespaces/realestate-crawler/deployments";
        for DEPLOY in realestate-crawler-ui; do
          echo "Waiting for $DEPLOY rollout...";
          for i in $(seq 1 60); do
            S=$(curl -sk -H "Authorization: Bearer $TOKEN" "$API/$DEPLOY");
            DESIRED=$(echo "$S" | jq '.spec.replicas');
            UPDATED=$(echo "$S" | jq '.status.updatedReplicas // 0');
            READY=$(echo "$S" | jq '.status.readyReplicas // 0');
            GEN=$(echo "$S" | jq '.metadata.generation');
            OBS=$(echo "$S" | jq '.status.observedGeneration // 0');
            if [ "$OBS" -ge "$GEN" ] && [ "$UPDATED" -eq "$DESIRED" ] && [ "$READY" -eq "$DESIRED" ]; then
              echo "$DEPLOY rollout complete ($READY/$DESIRED ready)";
              break;
            fi;
            echo "  $DEPLOY: $READY/$DESIRED ready, $UPDATED updated (attempt $i/60)";
            sleep 5;
          done;
          if [ "$i" -eq 60 ] && { [ "$READY" -ne "$DESIRED" ] || [ "$UPDATED" -ne "$DESIRED" ]; }; then
            echo "ERROR: $DEPLOY rollout timed out after 300s"; exit 1;
          fi;
        done

---
kind: pipeline
type: kubernetes
name: api

concurrency:
  limit: 1

timeout: 20

trigger:
  branch:
    - master
  event:
    - push

steps:
  - name: Build API image
    image: plugins/docker
    settings:
      username: viktorbarzin
      password:
        from_secret: dockerhub-token
      repo: viktorbarzin/realestatecrawler
      dockerfile: Dockerfile
      context: .
      tags:
        - latest
        - ${DRONE_BUILD_NUMBER}
      cache_from: viktorbarzin/realestatecrawler:latest

  - name: Update deployment
    image: alpine
    commands:
      - apk add curl
      - 'curl -s -X PATCH "https://kubernetes:6443/apis/apps/v1/namespaces/realestate-crawler/deployments/realestate-crawler-api" -H "Authorization: Bearer $(cat /var/run/secrets/kubernetes.io/serviceaccount/token)" -H "Content-Type: application/json-patch+json" -k -d ''[{"op":"replace","path":"/spec/template/spec/containers/0/image","value":"viktorbarzin/realestatecrawler:''"$DRONE_BUILD_NUMBER"''"}]'' | head'
      - 'curl -s -X PATCH "https://kubernetes:6443/apis/apps/v1/namespaces/realestate-crawler/deployments/realestate-crawler-celery" -H "Authorization: Bearer $(cat /var/run/secrets/kubernetes.io/serviceaccount/token)" -H "Content-Type: application/json-patch+json" -k -d ''[{"op":"replace","path":"/spec/template/spec/containers/0/image","value":"viktorbarzin/realestatecrawler:''"$DRONE_BUILD_NUMBER"''"}]'' | head'
      - 'curl -s -X PATCH "https://kubernetes:6443/apis/apps/v1/namespaces/realestate-crawler/deployments/realestate-crawler-celery-beat" -H "Authorization: Bearer $(cat /var/run/secrets/kubernetes.io/serviceaccount/token)" -H "Content-Type: application/json-patch+json" -k -d ''[{"op":"replace","path":"/spec/template/spec/containers/0/image","value":"viktorbarzin/realestatecrawler:''"$DRONE_BUILD_NUMBER"''"}]'' | head'

  - name: Wait for rollout
    image: alpine
    commands:
      - apk add --no-cache curl jq
      - >-
        TOKEN=$(cat /var/run/secrets/kubernetes.io/serviceaccount/token);
        API="https://kubernetes:6443/apis/apps/v1/namespaces/realestate-crawler/deployments";
        for DEPLOY in realestate-crawler-api realestate-crawler-celery realestate-crawler-celery-beat; do
          echo "Waiting for $DEPLOY rollout...";
          for i in $(seq 1 60); do
            S=$(curl -sk -H "Authorization: Bearer $TOKEN" "$API/$DEPLOY");
            DESIRED=$(echo "$S" | jq '.spec.replicas');
            UPDATED=$(echo "$S" | jq '.status.updatedReplicas // 0');
            READY=$(echo "$S" | jq '.status.readyReplicas // 0');
            GEN=$(echo "$S" | jq '.metadata.generation');
            OBS=$(echo "$S" | jq '.status.observedGeneration // 0');
            if [ "$OBS" -ge "$GEN" ] && [ "$UPDATED" -eq "$DESIRED" ] && [ "$READY" -eq "$DESIRED" ]; then
              echo "$DEPLOY rollout complete ($READY/$DESIRED ready)";
              break;
            fi;
            echo "  $DEPLOY: $READY/$DESIRED ready, $UPDATED updated (attempt $i/60)";
            sleep 5;
          done;
          if [ "$i" -eq 60 ] && { [ "$READY" -ne "$DESIRED" ] || [ "$UPDATED" -ne "$DESIRED" ]; }; then
            echo "ERROR: $DEPLOY rollout timed out after 300s"; exit 1;
          fi;
        done