procs[id].process.on('exit', function (code, signal) {
states.setState(id + '.alive', {val: false, ack: true});
states.setState(id + '.connected', {val: false, ack: true});
if (signal) {
logger.warn('controller instance ' + id + ' terminated due to ' + signal);
} else if (code === null) {
logger.error('controller instance ' + id + ' terminated abnormally');
} else {
if ((procs[id] && procs[id].stopping) || isStopping || wakeUp) {
logger.info('controller instance ' + id + ' terminated with code ' + code);
delete procs[id].stopping;
delete procs[id].process;
if (isStopping) {
for (var i in procs) {
if (procs[i].process) {
return;
}
}
allInstancesStopped = true;
}
return;
} else {
logger.error('controller instance ' + id + ' terminated with code ' + code);
}
}
delete procs[id].process;
if (!wakeUp) {
setTimeout(function (_id) {
startInstance(_id);
}, 30000, id);
}
});
router.put('/state', function(req,res){
var drawingid=req.body.drawingid;
var state=req.body.state;
drawings.setState(state,drawingid,function(success){
res.json(success);
});
});
function waitForInstances() {
if (!allInstancesStopped) {
setTimeout(waitForInstances, 100);
} else {
states.setState('system.host.' + hostname + '.alive', {val: false, ack: true}, function () {
logger.info('controller terminated');
process.exit(0);
});
}
}
procs[id].process.on('exit', function (code, signal) {
states.setState(id + '.alive', {val: false, ack: true});
if (signal) {
logger.warn('controller instance ' + id + ' terminated due to ' + signal);
} else if (code === null) {
logger.error('controller instance ' + id + ' terminated abnormally');
} else {
if (code === 0 || code === '0') {
logger.info('controller instance ' + id + ' terminated with code ' + code);
return;
} else {
logger.error('controller instance ' + id + ' terminated with code ' + code);
}
}
delete procs[id].process;
});
function stop() {
logger.debug('stop isStopping=' + isStopping + ' isDaemon=' + isDaemon + ' allInstancesStopped=' + allInstancesStopped);
if (isStopping) {
states.setState('system.host.' + hostname + '.alive', {val: false, ack: true}, function () {
logger.info('controller force terminating');
process.exit(1);
return;
});
} else {
isStopping = true;
}
if (isDaemon) {
// send instances SIGTERM, only needed if running in backround (isDaemon)
for (var id in procs) {
stopInstance(id);
}
}
function waitForInstances() {
if (!allInstancesStopped) {
setTimeout(waitForInstances, 100);
} else {
states.setState('system.host.' + hostname + '.alive', {val: false, ack: true}, function () {
logger.info('controller terminated');
process.exit(0);
});
}
}
waitForInstances();
// force after 10s
setTimeout(function () {
states.setState('system.host.' + hostname + '.alive', {val: false, ack: true}, function () {
logger.info('controller force terminated after 10s');
process.exit(1);
});
}, 10000);
}
setTimeout(function () {
states.setState('system.host.' + hostname + '.alive', {val: false, ack: true}, function () {
logger.info('controller force terminated after 10s');
process.exit(1);
});
}, 10000);
function reportStatus() {
var id = 'system.host.' + hostname;
states.setState(id + '.alive', {val: true, ack: true, expire: 30, from: id});
states.setState(id + '.load', {val: parseFloat(os.loadavg()[0].toFixed(2)), ack: true, from: id});
states.setState(id + '.mem', {val: parseFloat((100 * os.freemem() / os.totalmem()).toFixed(0)), ack: true, from: id});
}