Better debugging

This commit is contained in:
Raul Ochoa 2016-10-19 16:58:00 +02:00
parent 372c9f5511
commit b164ec8c86
3 changed files with 17 additions and 11 deletions

View File

@ -18,7 +18,7 @@ function Batch(name, jobSubscriber, jobQueue, jobRunner, jobService, jobPublishe
this.jobService = jobService;
this.jobPublisher = jobPublisher;
this.logger = logger;
this.hostScheduler = new HostScheduler({ run: this.processJob.bind(this) }, redisPool);
this.hostScheduler = new HostScheduler(name, { run: this.processJob.bind(this) }, redisPool);
this.hostUserQueueMover = new HostUserQueueMover(jobQueue, jobService, this.locker, redisPool);
// map: user => jobId. Will be used for draining jobs.
@ -39,7 +39,7 @@ Batch.prototype.subscribe = function () {
this.jobSubscriber.subscribe(
function onJobHandler(user, host) {
debug('onJobHandler(%s, %s)', user, host);
debug('[%s] onJobHandler(%s, %s)', self.name, user, host);
self.hostScheduler.add(host, user, function(err) {
if (err) {
return debug(
@ -83,7 +83,10 @@ Batch.prototype.processJob = function (user, callback) {
return callback(err);
}
debug('Job=%s status=%s user=%s (failed_reason=%s)', jobId, job.data.status, user, job.failed_reason);
debug(
'[%s] Job=%s status=%s user=%s (failed_reason=%s)',
self.name, jobId, job.data.status, user, job.failed_reason
);
self.logger.log(job);

View File

@ -6,11 +6,12 @@ var Locker = require('../leader/locker');
var InfinityCapacity = require('./capacity/infinity');
//var OneCapacity = require('./capacity/one');
function HostScheduler(taskRunner, redisPool) {
function HostScheduler(name, taskRunner, redisPool) {
this.name = name || 'scheduler';
this.taskRunner = taskRunner;
this.locker = Locker.create('redis-distlock', { pool: redisPool });
this.locker.on('error', function(err, host) {
debug('Locker.error %s', err.message);
debug('[%s] Locker.error %s', this.name, err.message);
this.unlock(host);
}.bind(this));
// host => Scheduler
@ -22,21 +23,22 @@ module.exports = HostScheduler;
HostScheduler.prototype.add = function(host, user, callback) {
this.lock(host, function(err, scheduler) {
if (err) {
debug('[%s] Could not lock host=%s', this.name, host);
return callback(err);
}
scheduler.add(user);
var wasRunning = scheduler.schedule();
debug('Scheduler host=%s was running = %s', host, wasRunning);
debug('[%s] Scheduler host=%s was running=%s', this.name, host, wasRunning);
return callback(err, wasRunning);
});
}.bind(this));
};
HostScheduler.prototype.lock = function(host, callback) {
debug('lock(%s)', host);
debug('[%s] lock(%s)', this.name, host);
var self = this;
this.locker.lock(host, function(err) {
if (err) {
debug('Could not lock host=%s. Reason: %s', host, err.message);
debug('[%s] Could not lock host=%s. Reason: %s', self.name, host, err.message);
return callback(err);
}
@ -46,13 +48,13 @@ HostScheduler.prototype.lock = function(host, callback) {
self.schedulers[host] = scheduler;
}
debug('Locked host=%s', host);
debug('[%s] Locked host=%s', self.name, host);
return callback(null, self.schedulers[host]);
});
};
HostScheduler.prototype.unlock = function(host) {
debug('unlock(%s)', host);
debug('[%s] unlock(%s)', this.name, host);
if (this.schedulers.hasOwnProperty(host)) {
// TODO stop scheduler?
delete this.schedulers[host];

View File

@ -15,6 +15,7 @@ var forever = require('../util/forever');
function Scheduler(capacity, taskRunner) {
EventEmitter.call(this);
debug('new Scheduler');
this.taskRunner = taskRunner;
this.capacity = capacity;
this.tasks = [];