Added basic logging class for a fallback

Corrected unit tests for new code

Add partial unit coverage for logging class

Add newline to logTest file
This commit is contained in:
Rockstar04 2013-06-25 10:06:37 -07:00
parent 7aa9abdb2e
commit 726e58a297
8 changed files with 161 additions and 56 deletions

View File

@ -39,17 +39,19 @@ if(!empty($REDIS_BACKEND)) {
Resque::setBackend($REDIS_BACKEND, $REDIS_BACKEND_DB);
}
$logLevel = 0;
$logLevel = false;
$LOGGING = getenv('LOGGING');
$VERBOSE = getenv('VERBOSE');
$VVERBOSE = getenv('VVERBOSE');
if(!empty($LOGGING) || !empty($VERBOSE)) {
$logLevel = Resque_Worker::LOG_NORMAL;
$logLevel = true;
}
else if(!empty($VVERBOSE)) {
$logLevel = Resque_Worker::LOG_VERBOSE;
$logLevel = true;
}
$logger = new Resque_Log($logLevel);
$APP_INCLUDE = getenv('APP_INCLUDE');
if($APP_INCLUDE) {
if(!file_exists($APP_INCLUDE)) {
@ -75,7 +77,7 @@ if(!empty($COUNT) && $COUNT > 1) {
$PREFIX = getenv('PREFIX');
if(!empty($PREFIX)) {
fwrite(STDOUT, '*** Prefix set to '.$PREFIX."\n");
$logger->log(Psr\Log\LogLevel::INFO, 'Prefix set to {prefix}', array('prefix' => $PREFIX));
Resque_Redis::prefix($PREFIX);
}
@ -83,14 +85,15 @@ if($count > 1) {
for($i = 0; $i < $count; ++$i) {
$pid = Resque::fork();
if($pid == -1) {
die("Could not fork worker ".$i."\n");
$logger->log(Psr\Log\LogLevel::EMERGENCY, 'Could not fork worker {count}', array('count' => $i));
die();
}
// Child, start the worker
else if(!$pid) {
$queues = explode(',', $QUEUE);
$worker = new Resque_Worker($queues);
$worker->logLevel = $logLevel;
fwrite(STDOUT, '*** Starting worker '.$worker."\n");
$worker->setLogger(new Resque_Log($logLevel));
$logger->log(Psr\Log\LogLevel::NOTICE, 'Starting worker {worker}', array('worker' => $worker));
$worker->work($interval, $BLOCKING);
break;
}
@ -100,7 +103,7 @@ if($count > 1) {
else {
$queues = explode(',', $QUEUE);
$worker = new Resque_Worker($queues);
$worker->logLevel = $logLevel;
$worker->setLogger(new Resque_Log($logLevel));
$PIDFILE = getenv('PIDFILE');
if ($PIDFILE) {
@ -108,7 +111,7 @@ else {
die('Could not write PID information to ' . $PIDFILE);
}
fwrite(STDOUT, '*** Starting worker '.$worker."\n");
$logger->log(Psr\Log\LogLevel::NOTICE, 'Starting worker {worker}', array('worker' => $worker));
$worker->work($interval, $BLOCKING);
}
?>

62
lib/Resque/Log.php Normal file
View File

@ -0,0 +1,62 @@
<?php
/**
* Resque default logger PSR-3 compliant
*
* @package Resque/Stat
* @author Chris Boulton <chris@bigcommerce.com>
* @license http://www.opensource.org/licenses/mit-license.php
*/
class Resque_Log extends Psr\Log\AbstractLogger
{
public $verbose;
public function __construct($verbose = false) {
$this->verbose = $verbose;
}
/**
* Logs with an arbitrary level.
*
* @param mixed $level PSR-3 log level constant, or equivalent string
* @param string $message Message to log, may contain a { placeholder }
* @param array $context Variables to replace { placeholder }
* @return null
*/
public function log($level, $message, array $context = array())
{
if ($this->verbose) {
fwrite(
STDOUT,
'[' . $level . '] [' . strftime('%T %Y-%m-%d') . '] ' . $this->interpolate($message, $context) . PHP_EOL
);
return;
}
if (!($level === Psr\Log\LogLevel::INFO || $level === Psr\Log\LogLevel::DEBUG)) {
fwrite(
STDOUT,
'[' . $level . '] ' . $this->interpolate($message, $context) . PHP_EOL
);
}
}
/**
* Fill placeholders with the provided context
* @author Jordi Boggiano j.boggiano@seld.be
*
* @param string $message Message to be logged
* @param array $context Array of variables to use in message
* @return string
*/
public function interpolate($message, array $context = array())
{
// build a replacement array with braces around the context keys
$replace = array();
foreach ($context as $key => $val) {
$replace['{' . $key . '}'] = $val;
}
// interpolate replacement values into the message and return
return strtr($message, $replace);
}
}

View File

@ -9,14 +9,10 @@
*/
class Resque_Worker
{
const LOG_NONE = 0;
const LOG_NORMAL = 1;
const LOG_VERBOSE = 2;
/**
* @var int Current log level of this worker.
* @var LoggerInterface Logging object that impliments the PSR-3 LoggerInterface
*/
public $logLevel = 0;
public $logger;
/**
* @var array Array of all associated queues for this worker.
@ -161,7 +157,7 @@ class Resque_Worker
$job = false;
if(!$this->paused) {
if($blocking === true) {
$this->log('Starting blocking with timeout of ' . $interval, self::LOG_VERBOSE);
$this->logger->log(Psr\Log\LogLevel::INFO, 'Starting blocking with timeout of {interval}', array('interval' => $interval));
$this->updateProcLine('Waiting for ' . implode(',', $this->queues) . ' with blocking timeout ' . $interval);
} else {
$this->updateProcLine('Waiting for ' . implode(',', $this->queues) . ' with interval ' . $interval);
@ -179,7 +175,7 @@ class Resque_Worker
if($blocking === false)
{
// If no job was found, we sleep for $interval before continuing and checking again
$this->log('Sleeping for ' . $interval, self::LOG_VERBOSE);
$this->logger->log(Psr\Log\LogLevel::INFO, 'Sleeping for {interval}', array('interval' => $interval));
if($this->paused) {
$this->updateProcLine('Paused');
}
@ -193,7 +189,7 @@ class Resque_Worker
continue;
}
$this->log('got ' . $job);
$this->logger->log(Psr\Log\LogLevel::NOTICE, 'Starting work on {job}', array('job' => $job));
Resque_Event::trigger('beforeFork', $job);
$this->workingOn($job);
@ -203,7 +199,7 @@ class Resque_Worker
if ($this->child === 0 || $this->child === false) {
$status = 'Processing ' . $job->queue . ' since ' . strftime('%F %T');
$this->updateProcLine($status);
$this->log($status, self::LOG_VERBOSE);
$this->logger->log(Psr\Log\LogLevel::INFO, $status);
$this->perform($job);
if ($this->child === 0) {
exit(0);
@ -214,7 +210,7 @@ class Resque_Worker
// Parent process, sit and wait
$status = 'Forked ' . $this->child . ' at ' . strftime('%F %T');
$this->updateProcLine($status);
$this->log($status, self::LOG_VERBOSE);
$this->logger->log(Psr\Log\LogLevel::INFO, $status);
// Wait until the child process finishes before continuing
pcntl_wait($status);
@ -245,13 +241,13 @@ class Resque_Worker
$job->perform();
}
catch(Exception $e) {
$this->log($job . ' failed: ' . $e->getMessage());
$this->logger->log(Psr\Log\LogLevel::CRITICAL, '{job} has failed {stack}', array('job' => $job, 'stack' => $e->getMessage()));
$job->fail($e);
return;
}
$job->updateStatus(Resque_Job_Status::STATUS_COMPLETE);
$this->log('done ' . $job);
$this->logger->log(Psr\Log\LogLevel::NOTICE, '{job} has finished', array('job' => $job));
}
/**
@ -269,15 +265,15 @@ class Resque_Worker
if($blocking === true) {
$job = Resque_Job::reserveBlocking($queues, $timeout);
if($job) {
$this->log('Found job on ' . $job->queue, self::LOG_VERBOSE);
$this->logger->log(Psr\Log\LogLevel::INFO, 'Found job on {queue}', array('queue' => $job->queue));
return $job;
}
} else {
foreach($queues as $queue) {
$this->log('Checking ' . $queue, self::LOG_VERBOSE);
$this->logger->log(Psr\Log\LogLevel::INFO, 'Checking {queue} for jobs', array('queue' => $queue));
$job = Resque_Job::reserve($queue);
if($job) {
$this->log('Found job on ' . $queue, self::LOG_VERBOSE);
$this->logger->log(Psr\Log\LogLevel::INFO, 'Found job on {queue}', array('queue' => $job->queue));
return $job;
}
}
@ -355,7 +351,7 @@ class Resque_Worker
pcntl_signal(SIGUSR2, array($this, 'pauseProcessing'));
pcntl_signal(SIGCONT, array($this, 'unPauseProcessing'));
pcntl_signal(SIGPIPE, array($this, 'reestablishRedisConnection'));
$this->log('Registered signals', self::LOG_VERBOSE);
$this->logger->log(Psr\Log\LogLevel::DEBUG, 'Registered signals');
}
/**
@ -363,7 +359,7 @@ class Resque_Worker
*/
public function pauseProcessing()
{
$this->log('USR2 received; pausing job processing');
$this->logger->log(Psr\Log\LogLevel::NOTICE, 'USR2 received; pausing job processing');
$this->paused = true;
}
@ -373,7 +369,7 @@ class Resque_Worker
*/
public function unPauseProcessing()
{
$this->log('CONT received; resuming job processing');
$this->logger->log(Psr\Log\LogLevel::NOTICE, 'CONT received; resuming job processing');
$this->paused = false;
}
@ -383,7 +379,7 @@ class Resque_Worker
*/
public function reestablishRedisConnection()
{
$this->log('SIGPIPE received; attempting to reconnect');
$this->logger->log(Psr\Log\LogLevel::NOTICE, 'SIGPIPE received; attempting to reconnect');
Resque::redis()->establishConnection();
}
@ -394,7 +390,7 @@ class Resque_Worker
public function shutdown()
{
$this->shutdown = true;
$this->log('Exiting...');
$this->logger->log(Psr\Log\LogLevel::NOTICE, 'Shutting down');
}
/**
@ -414,18 +410,18 @@ class Resque_Worker
public function killChild()
{
if(!$this->child) {
$this->log('No child to kill.', self::LOG_VERBOSE);
$this->logger->log(Psr\Log\LogLevel::DEBUG, 'No child to kill.');
return;
}
$this->log('Killing child at ' . $this->child, self::LOG_VERBOSE);
$this->logger->log(Psr\Log\LogLevel::INFO, 'Killing child at {child}', array('child' => $this->child));
if(exec('ps -o pid,state -p ' . $this->child, $output, $returnCode) && $returnCode != 1) {
$this->log('Killing child at ' . $this->child, self::LOG_VERBOSE);
$this->logger->log(Psr\Log\LogLevel::DEBUG, 'Child {child} found, killing.', array('child' => $this->child));
posix_kill($this->child, SIGKILL);
$this->child = null;
}
else {
$this->log('Child ' . $this->child . ' not found, restarting.', self::LOG_VERBOSE);
$this->logger->log(Psr\Log\LogLevel::INFO, 'Child {child} not found, restarting.', array('child' => $this->child));
$this->shutdown();
}
}
@ -448,7 +444,7 @@ class Resque_Worker
if($host != $this->hostname || in_array($pid, $workerPids) || $pid == getmypid()) {
continue;
}
$this->log('Pruning dead worker: ' . (string)$worker, self::LOG_VERBOSE);
$this->logger->log(Psr\Log\LogLevel::INFO, 'Pruning dead worker: {worker}', array('worker' => (string)$worker));
$worker->unregisterWorker();
}
}
@ -536,26 +532,6 @@ class Resque_Worker
return $this->id;
}
/**
* Output a given log message to STDOUT.
*
* @param string $message Message to output.
* @param int $logLevel The logging level to capture
*/
public function log($message, $logLevel = self::LOG_NORMAL)
{
if ($logLevel > $this->logLevel) {
return;
}
if ($this->logLevel == self::LOG_NORMAL) {
fwrite(STDOUT, "*** " . $message . "\n");
return;
}
fwrite(STDOUT, "** [" . strftime('%T %Y-%m-%d') . "] " . $message . "\n");
}
/**
* Return an object describing the job this worker is currently working on.
*
@ -582,5 +558,15 @@ class Resque_Worker
{
return Resque_Stat::get($stat . ':' . $this);
}
/**
* Inject the logging object into the worker
*
* @param Psr\Log\LoggerInterface $logger
*/
public function setLogger(Psr\Log\LoggerInterface $logger)
{
$this->logger = $logger;
}
}
?>

View File

@ -16,6 +16,7 @@ class Resque_Tests_EventTest extends Resque_Tests_TestCase
// Register a worker to test with
$this->worker = new Resque_Worker('jobs');
$this->worker->setLogger(new Resque_Log());
$this->worker->registerWorker();
}

View File

@ -19,6 +19,7 @@ class Resque_Tests_JobStatusTest extends Resque_Tests_TestCase
// Register a worker to test with
$this->worker = new Resque_Worker('jobs');
$this->worker->setLogger(new Resque_Log());
}
public function testJobStatusCanBeTracked()

View File

@ -17,6 +17,7 @@ class Resque_Tests_JobTest extends Resque_Tests_TestCase
// Register a worker to test with
$this->worker = new Resque_Worker('jobs');
$this->worker->setLogger(new Resque_Log());
$this->worker->registerWorker();
}

View File

@ -0,0 +1,31 @@
<?php
/**
* Resque_Log tests.
*
* @package Resque/Tests
* @author Chris Boulton <chris@bigcommerce.com>
* @license http://www.opensource.org/licenses/mit-license.php
*/
class Resque_Tests_LogTest extends Resque_Tests_TestCase
{
public function testLogInterpolate()
{
$logger = new Resque_Log();
$actual = $logger->interpolate('string {replace}', array('replace' => 'value'));
$expected = 'string value';
$this->assertEquals($expected, $actual);
}
public function testLogInterpolateMutiple()
{
$logger = new Resque_Log();
$actual = $logger->interpolate(
'string {replace1} {replace2}',
array('replace1' => 'value1', 'replace2' => 'value2')
);
$expected = 'string value1 value2';
$this->assertEquals($expected, $actual);
}
}

View File

@ -11,6 +11,7 @@ class Resque_Tests_WorkerTest extends Resque_Tests_TestCase
public function testWorkerRegistersInList()
{
$worker = new Resque_Worker('*');
$worker->setLogger(new Resque_Log());
$worker->registerWorker();
// Make sure the worker is in the list
@ -23,6 +24,7 @@ class Resque_Tests_WorkerTest extends Resque_Tests_TestCase
// Register a few workers
for($i = 0; $i < $num; ++$i) {
$worker = new Resque_Worker('queue_' . $i);
$worker->setLogger(new Resque_Log());
$worker->registerWorker();
}
@ -33,6 +35,7 @@ class Resque_Tests_WorkerTest extends Resque_Tests_TestCase
public function testGetWorkerById()
{
$worker = new Resque_Worker('*');
$worker->setLogger(new Resque_Log());
$worker->registerWorker();
$newWorker = Resque_Worker::find((string)$worker);
@ -47,6 +50,7 @@ class Resque_Tests_WorkerTest extends Resque_Tests_TestCase
public function testWorkerCanUnregister()
{
$worker = new Resque_Worker('*');
$worker->setLogger(new Resque_Log());
$worker->registerWorker();
$worker->unregisterWorker();
@ -58,6 +62,7 @@ class Resque_Tests_WorkerTest extends Resque_Tests_TestCase
public function testPausedWorkerDoesNotPickUpJobs()
{
$worker = new Resque_Worker('*');
$worker->setLogger(new Resque_Log());
$worker->pauseProcessing();
Resque::enqueue('jobs', 'Test_Job');
$worker->work(0);
@ -68,6 +73,7 @@ class Resque_Tests_WorkerTest extends Resque_Tests_TestCase
public function testResumedWorkerPicksUpJobs()
{
$worker = new Resque_Worker('*');
$worker->setLogger(new Resque_Log());
$worker->pauseProcessing();
Resque::enqueue('jobs', 'Test_Job');
$worker->work(0);
@ -83,6 +89,7 @@ class Resque_Tests_WorkerTest extends Resque_Tests_TestCase
'queue1',
'queue2'
));
$worker->setLogger(new Resque_Log());
$worker->registerWorker();
Resque::enqueue('queue1', 'Test_Job_1');
Resque::enqueue('queue2', 'Test_Job_2');
@ -101,6 +108,7 @@ class Resque_Tests_WorkerTest extends Resque_Tests_TestCase
'medium',
'low'
));
$worker->setLogger(new Resque_Log());
$worker->registerWorker();
// Queue the jobs in a different order
@ -122,6 +130,7 @@ class Resque_Tests_WorkerTest extends Resque_Tests_TestCase
public function testWildcardQueueWorkerWorksAllQueues()
{
$worker = new Resque_Worker('*');
$worker->setLogger(new Resque_Log());
$worker->registerWorker();
Resque::enqueue('queue1', 'Test_Job_1');
@ -137,6 +146,7 @@ class Resque_Tests_WorkerTest extends Resque_Tests_TestCase
public function testWorkerDoesNotWorkOnUnknownQueues()
{
$worker = new Resque_Worker('queue1');
$worker->setLogger(new Resque_Log());
$worker->registerWorker();
Resque::enqueue('queue2', 'Test_Job');
@ -147,6 +157,7 @@ class Resque_Tests_WorkerTest extends Resque_Tests_TestCase
{
Resque::enqueue('jobs', 'Test_Job');
$worker = new Resque_Worker('jobs');
$worker->setLogger(new Resque_Log());
$job = $worker->reserve();
$worker->workingOn($job);
$worker->doneWorking();
@ -156,6 +167,7 @@ class Resque_Tests_WorkerTest extends Resque_Tests_TestCase
public function testWorkerRecordsWhatItIsWorkingOn()
{
$worker = new Resque_Worker('jobs');
$worker->setLogger(new Resque_Log());
$worker->registerWorker();
$payload = array(
@ -178,6 +190,7 @@ class Resque_Tests_WorkerTest extends Resque_Tests_TestCase
Resque::enqueue('jobs', 'Invalid_Job');
$worker = new Resque_Worker('jobs');
$worker->setLogger(new Resque_Log());
$worker->work(0);
$worker->work(0);
@ -189,15 +202,18 @@ class Resque_Tests_WorkerTest extends Resque_Tests_TestCase
{
// Register a good worker
$goodWorker = new Resque_Worker('jobs');
$goodWorker->setLogger(new Resque_Log());
$goodWorker->registerWorker();
$workerId = explode(':', $goodWorker);
// Register some bad workers
$worker = new Resque_Worker('jobs');
$worker->setLogger(new Resque_Log());
$worker->setId($workerId[0].':1:jobs');
$worker->registerWorker();
$worker = new Resque_Worker(array('high', 'low'));
$worker->setLogger(new Resque_Log());
$worker->setId($workerId[0].':2:high,low');
$worker->registerWorker();
@ -213,12 +229,14 @@ class Resque_Tests_WorkerTest extends Resque_Tests_TestCase
{
// Register a bad worker on this machine
$worker = new Resque_Worker('jobs');
$worker->setLogger(new Resque_Log());
$workerId = explode(':', $worker);
$worker->setId($workerId[0].':1:jobs');
$worker->registerWorker();
// Register some other false workers
$worker = new Resque_Worker('jobs');
$worker->setLogger(new Resque_Log());
$worker->setId('my.other.host:1:jobs');
$worker->registerWorker();
@ -235,6 +253,7 @@ class Resque_Tests_WorkerTest extends Resque_Tests_TestCase
public function testWorkerFailsUncompletedJobsOnExit()
{
$worker = new Resque_Worker('jobs');
$worker->setLogger(new Resque_Log());
$worker->registerWorker();
$payload = array(
@ -251,6 +270,7 @@ class Resque_Tests_WorkerTest extends Resque_Tests_TestCase
public function testBlockingListPop()
{
$worker = new Resque_Worker('jobs');
$worker->setLogger(new Resque_Log());
$worker->registerWorker();
Resque::enqueue('jobs', 'Test_Job_1');