#cloud-config
# Nodo stream Hetzner: MediaMTX + ffmpeg + relay-agent (YouTube sul nodo).
# HCLOUD_USER_DATA_FILE=.../infra/stream-node/cloud-init.yaml

package_update: true
packages:
  - docker.io
  - ffmpeg
  - curl
  - apparmor
  - python3
  - fonts-dejavu-core

write_files:
  - path: /opt/stream-node/mediamtx.yml
    permissions: "0644"
    content: |
      logLevel: info
      authInternalUsers:
        - user: any
          pass:
          ips: []
          permissions:
            - action: api
            - action: metrics
            - action: publish
            - action: read
            - action: playback
      api: yes
      apiAddress: :9997
      rtmp: yes
      rtmpAddress: :1935
      hls: yes
      hlsAddress: :8888
      paths:
        all_others:
  - path: /opt/stream-node/relay-agent.service
    permissions: "0644"
    content: |
      [Unit]
      Description=Match Live TV YouTube relay agent
      After=network-online.target docker.service
      Wants=network-online.target
      [Service]
      Type=simple
      EnvironmentFile=-/opt/stream-node/agent.env
      ExecStart=/usr/bin/python3 /opt/stream-node/relay-agent.py
      Restart=always
      RestartSec=2
      [Install]
      WantedBy=multi-user.target
  - path: /opt/stream-node/agent.env
    permissions: "0600"
    content: |
      STREAM_NODE_AGENT_SECRET=mediamtx_webhook_dev_secret
      STREAM_NODE_AGENT_LISTEN=0.0.0.0:9100
      STREAM_NODE_LOCAL_HLS_URL=http://127.0.0.1:8888
      STREAM_NODE_RELAY_LOG_DIR=/var/log
  - path: /opt/stream-node/bootstrap.sh
    permissions: "0755"
    content: |
      #!/bin/bash
      set -euo pipefail
      mkdir -p /recordings /slates /var/log
      systemctl enable --now docker
      for i in $(seq 1 60); do
        if docker info >/dev/null 2>&1; then break; fi
        sleep 2
      done
      docker pull bluenviron/mediamtx:latest
      docker rm -f mediamtx 2>/dev/null || true
      FONT=/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf
      # Copertina alwaysAvailable (NON nera): resta in HLS/YouTube se l'app cade.
      ffmpeg -y -f lavfi -i color=c=0x0a0a0e:s=1280x720:r=30:d=30 \
        -f lavfi -i anullsrc=r=48000:cl=mono \
        -vf "drawtext=fontfile=${FONT}:text='Match Live TV':fontsize=64:fontcolor=white:x=(w-text_w)/2:y=(h-text_h)/2-48,drawtext=fontfile=${FONT}:text='Trasmissione in pausa':fontsize=36:fontcolor=white:x=(w-text_w)/2:y=(h-text_h)/2+36" \
        -c:v libx264 -pix_fmt yuv420p -profile:v baseline -level 3.1 \
        -x264-params "keyint=30:min-keyint=30:scenecut=0:bframes=0" \
        -g 30 -keyint_min 30 -preset fast \
        -c:a aac -b:a 128k -ac 1 -ar 48000 -shortest /slates/offline.mp4
      docker run -d --name mediamtx --restart unless-stopped --network host \
        --security-opt apparmor=unconfined \
        -v /opt/stream-node/mediamtx.yml:/mediamtx.yml:ro \
        -v /recordings:/recordings \
        -v /slates:/slates:ro \
        bluenviron/mediamtx:latest /mediamtx.yml
      if [[ -f /opt/stream-node/relay-agent.py ]]; then
        cp /opt/stream-node/relay-agent.service /etc/systemd/system/mltv-relay-agent.service
        systemctl daemon-reload
        systemctl enable --now mltv-relay-agent.service
      fi
      for i in $(seq 1 30); do
        if curl -fsS http://127.0.0.1:9997/v3/paths/list >/dev/null; then
          echo "mediamtx ready" | tee /opt/stream-node/ready
          exit 0
        fi
        sleep 2
      done
      echo "mediamtx NOT ready" | tee /opt/stream-node/ready
      docker logs mediamtx || true
      exit 1

runcmd:
  - [bash, /opt/stream-node/bootstrap.sh]