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Hande SIGTEM and SIGINT for faster docker recreates

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This commit is contained in:
Anton Roslund 2025-09-25 20:36:24 +02:00
parent f09cf5596a
commit 2d20bf293e
2 changed files with 48 additions and 1 deletions
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20
src/index.js
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@ -914,3 +914,23 @@ const listener = app.listen(port, () => {
const port = listener.address().port;
console.log(`Server running at http://127.0.0.1:${port}`);
});
// Graceful shutdown handlers
function gracefulShutdown(signal) {
console.log(`Received ${signal}. Starting graceful shutdown...`);
// Stop accepting new connections
listener.close(async (err) => {
console.log('HTTP server closed');
await prisma.$disconnect();
console.log('Database connections closed');
console.log('Graceful shutdown completed');
process.exit(0);
});
}
// Handle SIGTERM (Docker, systemd, etc.)
process.on('SIGTERM', () => gracefulShutdown('SIGTERM'));
// Handle SIGINT (Ctrl+C)
process.on('SIGINT', () => gracefulShutdown('SIGINT'));

29
src/mqtt.js
View file

@ -263,8 +263,9 @@ const User = root.lookupType("User");
const Waypoint = root.lookupType("Waypoint");
// run automatic purge if configured
let purgeInterval = null;
if(purgeIntervalSeconds){
setInterval(async () => {
purgeInterval = setInterval(async () => {
await purgeUnheardNodes();
await purgeOldDeviceMetrics();
await purgeOldEnvironmentMetrics();
@ -1446,3 +1447,29 @@ client.on("message", async (topic, message) => {
console.log("error", e);
}
});
// Graceful shutdown handlers
function gracefulShutdown(signal) {
console.log(`Received ${signal}. Starting graceful shutdown...`);
// Clear the purge interval if it exists
if(purgeInterval) {
clearInterval(purgeInterval);
console.log('Purge interval cleared');
}
// Close MQTT client
client.end(false, async () => {
console.log('MQTT client disconnected');
await prisma.$disconnect();
console.log('Database connections closed');
console.log('Graceful shutdown completed');
process.exit(0);
});
}
// Handle SIGTERM (Docker, systemd, etc.)
process.on('SIGTERM', () => gracefulShutdown('SIGTERM'));
// Handle SIGINT (Ctrl+C)
process.on('SIGINT', () => gracefulShutdown('SIGINT'));