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86 lines
3.1 KiB
Bash
86 lines
3.1 KiB
Bash
#!/bin/bash
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set -e
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# Configuration from environment
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SERVICE_NAME="navidrome"
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PORT=4533
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CONSUL_HTTP_ADDR="${CONSUL_URL:-http://localhost:8500}"
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NODE_IP="${ADVERTISE_IP}"
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# Tags for the Primary service (Traefik enabled)
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PRIMARY_TAGS='["navidrome","web","traefik.enable=true","urlprefix-/navidrome","tools","traefik.http.routers.navidromelan.rule=Host(`navidrome.service.dc1.consul`)","traefik.http.routers.navidromewan.rule=Host(`m.fbleagh.duckdns.org`)","traefik.http.routers.navidromewan.middlewares=dex@consulcatalog","traefik.http.routers.navidromewan.tls=true"]'
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NAVIDROME_PID=""
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SERVICE_ID="navidrome-${NODE_IP}-${SERVICE_NAME}"
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cleanup() {
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echo "Caught signal, shutting down..."
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if [ -n "$NAVIDROME_PID" ]; then
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echo "Stopping Navidrome (PID: $NAVIDROME_PID)..."
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kill -TERM "$NAVIDROME_PID"
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wait "$NAVIDROME_PID" || true
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fi
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echo "Deregistering service ${SERVICE_ID} from Consul..."
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curl -s -X PUT "${CONSUL_HTTP_ADDR}/v1/agent/service/deregister/${SERVICE_ID}" || true
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exit 0
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}
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trap cleanup SIGTERM SIGINT
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echo "Starting leadership-aware entrypoint..."
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echo "Node IP: $NODE_IP"
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echo "Consul: $CONSUL_HTTP_ADDR"
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# Small sleep to let LiteFS settle and leadership election complete
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sleep 5
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while true; do
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# In LiteFS 0.5, .primary file exists ONLY on replicas.
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if [ ! -f /data/.primary ]; then
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# PRIMARY STATE
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if [ -z "$NAVIDROME_PID" ] || ! kill -0 "$NAVIDROME_PID" 2>/dev/null; then
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echo "Node is Primary. Initializing Navidrome..."
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# Register in Consul
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echo "Registering as primary in Consul..."
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curl -s -X PUT -d "{
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\"ID\": \"${SERVICE_ID}\",
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\"Name\": \"${SERVICE_NAME}\",
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\"Tags\": ${PRIMARY_TAGS},
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\"Address\": \"${NODE_IP}\",
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\"Port\": ${PORT},
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\"Check\": {
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\"HTTP\": \"http://${NODE_IP}:${PORT}/app\",
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\"Interval\": \"10s\",
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\"Timeout\": \"2s\"
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}
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}" "${CONSUL_HTTP_ADDR}/v1/agent/service/register"
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echo "Starting Navidrome with ND_DATABASE_PATH=/data/navidrome.db"
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export ND_DATABASE_PATH="/data/navidrome.db"
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export ND_DATAFOLDER="/local/data"
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# Start Navidrome
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/app/navidrome &
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NAVIDROME_PID=$!
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echo "Navidrome started with PID $NAVIDROME_PID"
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fi
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else
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# REPLICA STATE
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if [ -n "$NAVIDROME_PID" ] && kill -0 "$NAVIDROME_PID" 2>/dev/null; then
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echo "Node transitioned to Replica. Stopping Navidrome..."
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kill -TERM "$NAVIDROME_PID"
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wait "$NAVIDROME_PID" || true
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NAVIDROME_PID=""
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echo "Deregistering primary service from Consul..."
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curl -s -X PUT "${CONSUL_HTTP_ADDR}/v1/agent/service/deregister/${SERVICE_ID}" || true
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fi
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# We don't register anything for replicas in this version to keep it simple.
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# But we stay alive so LiteFS keeps running.
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fi
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sleep 5
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done
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