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https://github.com/ether/etherpad-lite.git
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f12debd5c7
Shut down database connection and exit the node process when SIGTERM is encountered. This is especially important when nodejs is run as PID1, e.g. in a docker container. Shutting down connections to clients (browsers) is beyond this patche's scope. Resolves #3265
56 lines
1.5 KiB
JavaScript
56 lines
1.5 KiB
JavaScript
var os = require("os");
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var db = require('../../db/DB');
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var stats = require('ep_etherpad-lite/node/stats')
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exports.onShutdown = false;
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exports.gracefulShutdown = function(err) {
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if(err && err.stack) {
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console.error(err.stack);
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} else if(err) {
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console.error(err);
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}
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//ensure there is only one graceful shutdown running
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if(exports.onShutdown) return;
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exports.onShutdown = true;
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console.log("graceful shutdown...");
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//do the db shutdown
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db.db.doShutdown(function() {
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console.log("db sucessfully closed.");
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process.exit(0);
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});
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setTimeout(function(){
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process.exit(1);
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}, 3000);
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}
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process.on('uncaughtException', exports.gracefulShutdown);
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exports.expressCreateServer = function (hook_name, args, cb) {
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exports.app = args.app;
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// Handle errors
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args.app.use(function(err, req, res, next){
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// if an error occurs Connect will pass it down
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// through these "error-handling" middleware
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// allowing you to respond however you like
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res.status(500).send({ error: 'Sorry, something bad happened!' });
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console.error(err.stack? err.stack : err.toString());
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stats.meter('http500').mark()
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})
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//connect graceful shutdown with sigint and uncaughtexception
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if(os.type().indexOf("Windows") == -1) {
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//sigint is so far not working on windows
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//https://github.com/joyent/node/issues/1553
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process.on('SIGINT', exports.gracefulShutdown);
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// when running as PID1 (e.g. in docker container)
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// allow graceful shutdown on SIGTERM c.f. #3265
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process.on('SIGTERM', exports.gracefulShutdown);
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}
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}
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