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69 lines
2.1 KiB
Bash
69 lines
2.1 KiB
Bash
#!/bin/bash
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# Configuration
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SERVICE_NAME="navidrome"
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REPLICA_SERVICE_NAME="replica-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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CHECK_INTERVAL="10s"
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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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# Tags for the Replica service
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REPLICA_TAGS='["navidrome-replica"]'
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register_service() {
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local name=$1
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local tags=$2
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local id="navidrome-${NODE_IP}-${name}"
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echo "Registering as ${name}..."
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curl -s -X PUT -d "{
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"ID": "${id}",
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"Name": "${name}",
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"Tags": ${tags},
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"Address": "${NODE_IP}",
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"Port": ${PORT},
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"Check": {
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"HTTP": "http://${NODE_IP}:${PORT}/app",
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"Interval": "${CHECK_INTERVAL}",
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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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}
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deregister_service() {
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local name=$1
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local id="navidrome-${NODE_IP}-${name}"
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echo "Deregistering ${name}..."
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curl -s -X PUT "${CONSUL_HTTP_ADDR}/v1/agent/service/deregister/${id}"
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}
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echo "Starting Consul registration loop..."
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LAST_STATE="unknown"
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while true; do
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if /usr/local/bin/litefs is-primary > /dev/null 2>&1; then
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CURRENT_STATE="primary"
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else
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CURRENT_STATE="replica"
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fi
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if [ "$CURRENT_STATE" != "$LAST_STATE" ]; then
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echo "State changed from ${LAST_STATE} to ${CURRENT_STATE}"
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if [ "$CURRENT_STATE" == "primary" ]; then
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deregister_service "$REPLICA_SERVICE_NAME"
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register_service "$SERVICE_NAME" "$PRIMARY_TAGS"
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else
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deregister_service "$SERVICE_NAME"
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register_service "$REPLICA_SERVICE_NAME" "$REPLICA_TAGS"
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fi
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LAST_STATE="$CURRENT_STATE"
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fi
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sleep 15
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done
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