.drone.yml

---
kind: pipeline
name: default
type: kubernetes

environment:
  APP_NAME: ecs
  PROD_ENV: sas-ecs-prod
  STG_ENV: sas-ecs-stg
  UAT_ENV: sas-ecs-uat
  BRANCH_ENV: sas-ecs-branch
  PRODUCTION_URL: www.employer-request-a-check.homeoffice.gov.uk
  IMAGE_URL: 340268328991.dkr.ecr.eu-west-2.amazonaws.com
  IMAGE_REPO: sas/ecs
  GIT_REPO: UKHomeOffice/ecs
  HOF_CONFIG: hof-services-config/Employers_Checking_Service
  NON_PROD_AVAILABILITY: Sun-Sat 06:00-24:00 Europe/London
  READY_FOR_TEST_DELAY: 20s
  NOTIFY_STUB: stub

trigger:
  branch:
    - feature/*
    - master

linting: &linting
  pull: if-not-exists
  image: node:20.17.0-alpine3.20@sha256:2cc3d19887bfea8bf52574716d5f16d4668e35158de866099711ddfb2b16b6e0
  environment:
    NOTIFY_KEY: USE_MOCK
  commands:
    - yarn run test:lint

unit_tests: &unit_tests
  pull: if-not-exists
  image: node:20.17.0-alpine3.20@sha256:2cc3d19887bfea8bf52574716d5f16d4668e35158de866099711ddfb2b16b6e0
  environment:
    NOTIFY_KEY: USE_MOCK
  commands:
    - yarn run test:unit

sonar_scanner: &sonar_scanner
  pull: if-not-exists
  image: quay.io/ukhomeofficedigital/sonar-scanner-nodejs:latest
  commands:
    - sonar-scanner -Dproject.settings=./sonar-project.properties

steps:
  - name: clone_repos
    image: alpine/git
    environment:
      DRONE_GIT_USERNAME:
        from_secret: drone_git_username
      DRONE_GIT_TOKEN:
        from_secret: drone_git_token
    commands:
      - git clone https://$${DRONE_GIT_USERNAME}:$${DRONE_GIT_TOKEN}@github.com/UKHomeOfficeForms/hof-services-config.git
    when:
      branch:
        include:
        - master
        - feature/*
      event: [push, pull_request]

    # Trivy Security Scannner for scanning OS related vulnerabilities in Base image of Dockerfile
  - name: scan_image_os
    pull: always
    image: 340268328991.dkr.ecr.eu-west-2.amazonaws.com/acp/trivy/client:latest
    resources:
      limits:
        cpu: 1000
        memory: 1024Mi
    environment:
      IMAGE_NAME: node:20.17.0-alpine3.20@sha256:2cc3d19887bfea8bf52574716d5f16d4668e35158de866099711ddfb2b16b6e0
      SEVERITY: MEDIUM,HIGH,CRITICAL  --dependency-tree
      FAIL_ON_DETECTION: false
      IGNORE_UNFIXED: false
      ALLOW_CVE_LIST_FILE: hof-services-config/infrastructure/trivy/.trivyignore.yaml
    when:
      event: [push, pull_request]

  - name: setup_deploy
    pull: if-not-exists
    image: node:20.17.0-alpine3.20@sha256:2cc3d19887bfea8bf52574716d5f16d4668e35158de866099711ddfb2b16b6e0
    environment:
      NOTIFY_KEY: USE_MOCK
    commands:
      - yarn install --frozen-lockfile
      - yarn run postinstall
    when:
      branch:
        include:
        - master
        - feature/*
      event: push

  - name: linting_deploy
    <<: *linting
    when:
      branch:
        include:
          - master
          - feature/*
      event: push

  - name: unit_tests_deploy
    <<: *unit_tests
    when:
      branch:
        include:
          - master
      event: push

  - name: sonar_scanner_deploy
    <<: *sonar_scanner
    when:
      branch:
        include:
          - master
          - feature/*
      event: push

  - name: build_image
    image: 340268328991.dkr.ecr.eu-west-2.amazonaws.com/acp/dind
    environment:
      DOCKER_PASSWORD:
        from_secret: DOCKER_PASSWORD
    commands:
      - n=0; while [ "$n" -lt 60 ] && [ ! docker stats --no-stream ]; do n=$(( n + 1 )); sleep 1; done
      - docker build --no-cache -t $${IMAGE_REPO}:$${DRONE_COMMIT_SHA} .
    volumes:
      - name: dockersock
        path: /var/run
    when:
      branch: 
        include:
          - master
          - feature/*
      event: [push, pull_request]

  - name: image_to_ecr
    image: plugins/ecr
    settings:
      access_key:
        from_secret: aws_access_key_id
      secret_key:
        from_secret: aws_secret_access_key
      region: eu-west-2
      #repo: ${IMAGE_REPO}
      repo: sas/ecs
      registry: 340268328991.dkr.ecr.eu-west-2.amazonaws.com
      tags:
        - latest_${DRONE_BRANCH//\//-}
        - ${DRONE_COMMIT_SHA}
    when:
      branch:
        include:
          - master
          - feature/*
      event: [push, pull_request]

  # Trivy Security Scannner

  - name: scan_node_packages
    pull: always
    image: 340268328991.dkr.ecr.eu-west-2.amazonaws.com/acp/trivy/client:latest
    resources:
      limits:
        cpu: 1000
        memory: 1024Mi
    environment:
      IMAGE_NAME: sas/ecs:${DRONE_COMMIT_SHA}
      SEVERITY: MEDIUM,HIGH,CRITICAL  --dependency-tree
      FAIL_ON_DETECTION: false
      IGNORE_UNFIXED: false
      ALLOW_CVE_LIST_FILE: hof-services-config/infrastructure/trivy/.trivyignore.yaml
    when:
      event: [push, pull_request]
  
  # Deploy to pull request Branch environment
  - name: deploy_to_branch
    pull: if-not-exists
    image: quay.io/ukhomeofficedigital/kd:v1.14.0
    environment:
      KUBE_SERVER:
        from_secret: kube_server_dev
      KUBE_TOKEN:
        from_secret: kube_token_sas_dev
    commands:
      - bin/deploy.sh $${BRANCH_ENV}
    when:
      branch:
        include:
          - master
          - feature/*
      event: pull_request

  - name: setup_branch
    pull: if-not-exists
    image: node:20.17.0-alpine3.20@sha256:2cc3d19887bfea8bf52574716d5f16d4668e35158de866099711ddfb2b16b6e0
    environment:
      NOTIFY_KEY: USE_MOCK
    commands:
      - yarn install --frozen-lockfile
      - yarn run postinstall
    when:
      branch:
        include:
          - master
          - feature/*
      event: pull_request

  - name: linting_branch
    <<: *linting
    when:
      branch:
        include:
          - master
          - feature/*
      event: pull_request

  - name: unit_tests_branch
    <<: *unit_tests
    when:
      branch:
        include:
        - master
        - feature/*
      event: pull_request

  - name: sonar_scanner_branch
    <<: *sonar_scanner
    when:
      branch:
        include:
          - master
          - feature/*
      event: pull_request

  # Deploy to master UAT environment
  - name: deploy_to_uat
    pull: if-not-exists
    image: quay.io/ukhomeofficedigital/kd:v1.14.0
    environment:
      KUBE_SERVER:
        from_secret: kube_server_dev
      KUBE_TOKEN:
        from_secret: kube_token_sas_dev
    commands:
      - bin/deploy.sh $${UAT_ENV}
    when:
      branch: master
      event: push

  # Get pull request branch so correct PR UAT environment is torn down in the tear_down_branch step that follows
  - name: get_pr_branch
    pull: if-not-exists
    image: drone/cli:alpine@sha256:14409f7f7247befb9dd2effdb2f61ac40d1f5fbfb1a80566cf6f2f8d21f3be11
    environment:
      DRONE_SERVER:
        from_secret: drone_server
      DRONE_TOKEN:
        from_secret: drone_token
    volumes:
      - name: dockersock
        path: /root/.dockersock
    commands:
      - drone build info $GIT_REPO $DRONE_BUILD_NUMBER --format {{.Message}} | grep -o '[^ ]\+$' -m1 | sed 's|UKHomeOffice/||g' | tr '[:upper:]' '[:lower:]' | tr '/' '-' > /root/.dockersock/branch_name.txt
    when:
      branch: master
      event: push
  
  # Tear down pull request UAT environment
  - name: tear_down_branch
    pull: if-not-exists
    image: quay.io/ukhomeofficedigital/kd:v1.14.0
    environment:
      KUBE_SERVER:
        from_secret: kube_server_dev
      KUBE_TOKEN:
        from_secret: kube_token_sas_dev
    volumes:
      - name: dockersock
        path: /root/.dockersock
    commands:
      - bin/deploy.sh tear_down
    when:
      branch: master
      event: push

   # Deploy to Staging environment
  - name: deploy_to_stg
    pull: if-not-exists
    image: quay.io/ukhomeofficedigital/kd:v1.14.0
    environment:
      KUBE_SERVER:
        from_secret: kube_server_prod
      KUBE_TOKEN:
        from_secret: kube_token_prod
    commands:
      - bin/deploy.sh $${STG_ENV}
    when:
      branch: master
      event: push

  # Checks a build being promoted has passed, is on master which effectively means a healthy build on Staging
  - name: sanity_check_build_prod
    pull: if-not-exists
    image: drone/cli:alpine@sha256:14409f7f7247befb9dd2effdb2f61ac40d1f5fbfb1a80566cf6f2f8d21f3be11
    environment:
      DRONE_SERVER:
        from_secret: drone_server
      DRONE_TOKEN:
        from_secret: drone_token
    commands:
      - bin/sanity_check_build.sh
    when:
      target: PROD
      event: promote

  - name: clone_repos_prod
    image: alpine/git
    environment:
      DRONE_GIT_USERNAME:
        from_secret: DRONE_GIT_USERNAME
      DRONE_GIT_TOKEN:
        from_secret: DRONE_GIT_TOKEN
    commands:
      - git clone https://$${DRONE_GIT_USERNAME}:$${DRONE_GIT_TOKEN}@github.com/UKHomeOfficeForms/hof-services-config.git
    when:
      target: PROD
      event: promote

  # Deploy to Production environment
  - name: deploy_to_prod
    pull: if-not-exists
    image: quay.io/ukhomeofficedigital/kd:v1.14.0
    environment:
      KUBE_SERVER:
        from_secret: KUBE_SERVER_PROD
      KUBE_TOKEN:
        from_secret: KUBE_TOKEN_PROD
    commands:
      - bin/deploy.sh $${PROD_ENV}
    when:
      target: PROD
      event: promote

   # CRON job step that tears down our pull request UAT environments
  - name: cron_tear_down
    pull: if-not-exists
    image: quay.io/ukhomeofficedigital/kd:v1.14.0
    environment:
      KUBE_SERVER:
        from_secret: kube_server_dev
      KUBE_TOKEN:
        from_secret: kube_token_dev
    commands:
      - bin/clean_up.sh $${BRANCH_ENV}
    when:
      cron: tear_down_pr_envs
      event: cron

  # CRON job steps that runs security scans using Trivy
  - name: cron_clone_repos
    image: alpine/git
    environment:
      DRONE_GIT_USERNAME:
        from_secret: drone_git_username
      DRONE_GIT_TOKEN:
        from_secret: drone_git_token
    commands:
      - git clone https://$${DRONE_GIT_USERNAME}:$${DRONE_GIT_TOKEN}@github.com/UKHomeOfficeForms/hof-services-config.git
    when:
      cron: security_scans
      event: cron

  - name: cron_build_image
    image: 340268328991.dkr.ecr.eu-west-2.amazonaws.com/acp/dind
    commands:
      - docker build --no-cache -t $${IMAGE_REPO}:$${DRONE_COMMIT_SHA} .
    volumes:
      - name: dockersock
        path: /var/run
    when:
      cron: security_scans
      event: cron

  - name: cron_trivy_scan_image_os
    image: 340268328991.dkr.ecr.eu-west-2.amazonaws.com/acp/trivy/client:latest
    pull: always
    environment:
      IMAGE_NAME: node:20.17.0-alpine3.20@sha256:2cc3d19887bfea8bf52574716d5f16d4668e35158de866099711ddfb2b16b6e0
      SEVERITY: UNKNOWN,LOW,MEDIUM,HIGH,CRITICAL --dependency-tree
      FAIL_ON_DETECTION: true
      IGNORE_UNFIXED: false
      ALLOW_CVE_LIST_FILE: hof-services-config/infrastructure/trivy/.trivyignore.yaml
    when:
      cron: security_scans
      event: cron

  - name: cron_trivy_scan_node_packages
    image: 340268328991.dkr.ecr.eu-west-2.amazonaws.com/acp/trivy/client:latest
    pull: always
    environment:
      IMAGE_NAME: sas/ecs:${DRONE_COMMIT_SHA}
      SEVERITY: UNKNOWN,LOW,MEDIUM,HIGH,CRITICAL --dependency-tree
      FAIL_ON_DETECTION: true
      IGNORE_UNFIXED: false
      ALLOW_CVE_LIST_FILE: hof-services-config/infrastructure/trivy/.trivyignore.yaml
    when:
      cron: security_scans
      event: cron
      status: [success, failure]

  # Slack notification upon a CRON job fail
  - name: cron_notify_slack_tear_down_pr_envs
    pull: if-not-exists
    image: plugins/slack:1.4.1
    settings:
      channel: sas-hof-build-notify
      failure: ignore
      template: >
          *✘ {{ uppercasefirst build.status }}*: Cron job `tear_down_pr_envs` failed to tear down the deployments in the BRANCH environment.

          *Repo* <https://github.com/{{ repo.owner }}/{{ repo.name }}/|{{ repo.owner }}/{{ repo.name }}> | *Branch* <https://github.com/{{ repo.owner }}/{{ repo.name }}/commits/{{ build.branch }}|{{build.branch}}> | *Commit* <https://github.com/{{ repo.owner }}/{{ repo.name }}/commit/{{ build.commit }}|{{ truncate build.commit 8 }}>

          *Build <{{build.link}}|#{{build.number}}>*
      webhook:
        from_secret: slack_sas_hof_build_notify_webhook
    when:
      cron: tear_down_pr_envs
      event: cron
      status: [ failure ]
  
  - name: cron_notify_slack_security_scans
    pull: if-not-exists
    image: plugins/slack:1.4.1
    settings:
      channel: sas-hof-security
      failure: ignore
      template: >
          *✘ {{ uppercasefirst build.status }}*: Cron job `security_scans` has failed. Prioritise reviewing build logs and addressing issues.

          *Repo* <https://github.com/{{ repo.owner }}/{{ repo.name }}/|{{ repo.owner }}/{{ repo.name }}> | *Branch* <https://github.com/{{ repo.owner }}/{{ repo.name }}/commits/{{ build.branch }}|{{build.branch}}> | *Commit* <https://github.com/{{ repo.owner }}/{{ repo.name }}/commit/{{ build.commit }}|{{ truncate build.commit 8 }}>

          *Build <{{build.link}}|#{{build.number}}>*
      webhook:
        from_secret: slack_sas_hof_security_webhook
    when:
      cron: security_scans
      event: cron
      status: [ failure ]

services:
  - name: docker
    image: 340268328991.dkr.ecr.eu-west-2.amazonaws.com/acp/dind

# Redis session setup in background so integration tests can run
  - name: session
    image: redis
    volumes:
      - name: dockersock
        path: /var/run

volumes:
  - name: dockersock
    temp: {}
...