# Woodpecker CI Configuration for better-argo-tunnels
#
# SYNTAX NOTES:
# - Environment variables from secrets MUST use $${VAR} syntax (double dollar)
# - Single $ will be interpreted literally and won't expand variables

labels:
  location: manager

clone:
  git:
    image: woodpeckerci/plugin-git
    settings:
      partial: false
      depth: 1

steps:
  # Build and test Go binaries
  test:
    name: test
    image: golang:1.24-alpine
    commands:
      - go version | cat
      - go vet ./...
      - go build ./cmd/server/
      - go build ./cmd/client/
      - echo "Build and vet passed"
    when:
      branch: main
      event: [push, pull_request]

  # Build and Push Docker images for production (x86)
  build-push-production:
    name: build-push-production
    image: woodpeckerci/plugin-docker-buildx
    depends_on: ["test"]
    environment:
      REGISTRY_USER:
        from_secret: REGISTRY_USER
      REGISTRY_PASSWORD:
        from_secret: REGISTRY_PASSWORD
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    commands:
      - echo "nameserver 1.1.1.1" > /etc/resolv.conf
      - echo "nameserver 1.0.0.1" >> /etc/resolv.conf
      - HOSTNAME=$(docker info --format "{{.Name}}")
      - echo "Building on $HOSTNAME"
      - echo "$${REGISTRY_PASSWORD}" | docker login -u "$${REGISTRY_USER}" --password-stdin git.nixc.us
      - apk add --no-cache git || true
      - export GIT_COMMIT=$${CI_COMMIT_SHA}
      - echo "Building GIT_COMMIT=$GIT_COMMIT"
      # Build server image
      - docker build --target server -t git.nixc.us/colin/better-argo-tunnels:production .
      - docker push git.nixc.us/colin/better-argo-tunnels:production
      # Build client image
      - docker build --target client -t git.nixc.us/colin/better-argo-tunnels:client-production .
      - docker push git.nixc.us/colin/better-argo-tunnels:client-production
    when:
      branch: main
      event: [push, cron]

  # Smoke test - verify server binary starts
  smoke-production:
    name: smoke-production
    image: woodpeckerci/plugin-docker-buildx
    depends_on: ["build-push-production"]
    environment:
      REGISTRY_USER:
        from_secret: REGISTRY_USER
      REGISTRY_PASSWORD:
        from_secret: REGISTRY_PASSWORD
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    commands:
      - echo "nameserver 1.1.1.1" > /etc/resolv.conf
      - echo "nameserver 1.0.0.1" >> /etc/resolv.conf
      - echo "$${REGISTRY_PASSWORD}" | docker login git.nixc.us -u "$${REGISTRY_USER}" --password-stdin
      - docker pull git.nixc.us/colin/better-argo-tunnels:production
      - docker rm -f tunnel-smoke || true
      # Smoke: verify the binary runs and prints startup log
      - mkdir -p /tmp/smoke-keys
      - ssh-keygen -t ed25519 -f /tmp/smoke-keys/host_key -N "" -q
      - ssh-keygen -t ed25519 -f /tmp/smoke-keys/client_key -N "" -q
      - cat /tmp/smoke-keys/client_key.pub > /tmp/smoke-keys/authorized_keys
      - |
        docker run -d --name tunnel-smoke \
          -e SSH_PORT=2222 \
          -e SSH_HOST_KEY=/keys/host_key \
          -e AUTHORIZED_KEYS=/keys/authorized_keys \
          -e TRAEFIK_SSH_HOST=127.0.0.1 \
          -e TRAEFIK_SSH_KEY=/keys/host_key \
          -e SWARM_SERVICE_NAME=smoke-test \
          -v /tmp/smoke-keys:/keys:ro \
          git.nixc.us/colin/better-argo-tunnels:production
      - sleep 3
      - docker logs tunnel-smoke 2>&1 | head -20
      - docker rm -f tunnel-smoke || true
      - rm -rf /tmp/smoke-keys
      - echo "Smoke test passed"
    when:
      branch: main
      event: [push, cron]

  # Deploy to Swarm on ingress.nixc.us
  deploy-production:
    name: deploy-production
    image: woodpeckerci/plugin-docker-buildx
    depends_on: ["test", "build-push-production", "smoke-production"]
    environment:
      REGISTRY_USER:
        from_secret: REGISTRY_USER
      REGISTRY_PASSWORD:
        from_secret: REGISTRY_PASSWORD
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    commands:
      - echo "nameserver 1.1.1.1" > /etc/resolv.conf
      - echo "nameserver 1.0.0.1" >> /etc/resolv.conf
      - HOSTNAME=$(docker info --format "{{.Name}}")
      - echo "Deploying on $HOSTNAME"
      - echo "$${REGISTRY_PASSWORD}" | docker login -u "$${REGISTRY_USER}" --password-stdin git.nixc.us
      # Clean up any leftover Docker secrets from previous deployments
      - docker secret rm tunnel_ssh_host_key 2>/dev/null || true
      - docker secret rm tunnel_authorized_keys 2>/dev/null || true
      - docker secret rm tunnel_traefik_deploy_key 2>/dev/null || true
      # Remove old stack
      - echo "Removing old stack..."
      - docker stack rm better-argo-tunnels || true
      - sleep 10
      # Verify host key files exist on the node
      - |
        echo "Verifying host key files..."; \
        docker run --rm -v /root/.ssh:/check:ro alpine sh -c \
          'ls -la /check/tunnel_host_key /check/authorized_keys /check/ca-userkey /check/ca-userkey-cert.pub' \
        || { echo "ERROR: Required key files missing from /root/.ssh/ on host"; exit 1; }
      # Deploy stack (keys are bind-mounted from /root/.ssh/ on the host)
      - echo "Deploying stack..."
      - docker stack deploy --with-registry-auth -c ./stack.production.yml better-argo-tunnels
    when:
      branch: main
      event: [push, cron]