PhabricatorDaemonManagementLogWorkflow.php
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PhabricatorDaemonManagementLogWorkflow.php
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	<?php

	final class PhabricatorDaemonManagementLogWorkflow
	extends PhabricatorDaemonManagementWorkflow {

	protected function didConstruct() {
	$this
	->setName('log')
	->setExamples('log [__options__]')
	->setSynopsis(
	pht(
	'Print the logs for all daemons, or some daemon(s) identified by '.
	'ID. You can get the ID for a daemon from the Daemon Console in '.
	'the web interface.'))
	->setArguments(
	array(
	array(
	'name' => 'id',
	'param' => 'id',
	'help' => pht('Show logs for daemon(s) with given ID(s).'),
	'repeat' => true,
	),
	array(
	'name' => 'limit',
	'param' => 'N',
	'default' => 100,
	'help' => pht(
	'Show a specific number of log messages (default 100).'),
	),
	));
	}

	public function execute(PhutilArgumentParser $args) {

	$query = id(new PhabricatorDaemonLogQuery())
	->setViewer($this->getViewer())
	->setAllowStatusWrites(true);
	$ids = $args->getArg('id');
	if ($ids) {
	$query->withIDs($ids);
	}
	$daemons = $query->execute();
	$daemons = mpull($daemons, null, 'getID');

	if ($ids) {
	foreach ($ids as $id) {
	if (!isset($daemons[$id])) {
	throw new PhutilArgumentUsageException(
	pht(
	'No log record exists for a daemon with ID "%s".',
	$id));
	}
	}
	} else if (!$daemons) {
	throw new PhutilArgumentUsageException(
	pht('No log records exist for any daemons.'));
	}

	$console = PhutilConsole::getConsole();

	$limit = $args->getArg('limit');

	$logs = id(new PhabricatorDaemonLogEvent())->loadAllWhere(
	'logID IN (%Ld) ORDER BY id DESC LIMIT %d',
	mpull($daemons, 'getID'),
	$limit);
	$logs = array_reverse($logs);

	$lines = array();
	foreach ($logs as $log) {
	$text_lines = phutil_split_lines($log->getMessage(), $retain = false);
	foreach ($text_lines as $line) {
	$lines[] = array(
	'id' => $log->getLogID(),
	'type' => $log->getLogType(),
	'date' => $log->getEpoch(),
	'data' => $line,
	);
	}
	}

	// Each log message may be several lines. Limit the number of lines we
	// output so that `--limit 123` means "show 123 lines", which is the most
	// easily understandable behavior.
	$lines = array_slice($lines, -$limit);

	foreach ($lines as $line) {
	$id = $line['id'];
	$type = $line['type'];
	$data = $line['data'];
	$date = date('r', $line['date']);

	$console->writeOut(
	"%s\n",
	pht(
	'Daemon %d %s [%s] %s',
	$id,
	$type,
	$date,
	$data));
	}

	return 0;
	}


	}

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