post-receive

#!/usr/bin/php
<?php

use Symfony\Component\Process\Process;

date_default_timezone_set('Europe/Prague');

require __DIR__ . '/inc/System.php';
require __DIR__ . '/inc/Lock.php';
require __DIR__ . '/inc/Refs.php';
require __DIR__ . '/inc/vendor/autoload.php';

Lock::registerAutorelease();

$last = 0;
foreach (glob('/srv/deploy/api.webexpo.net_*') as $dir)
{
	$index = substr($dir, strlen('/srv/deploy/api.webexpo.net_'));
	if ($index > $last)
	{
		$last = $index;
	}
}

$path = '/srv/deploy/api.webexpo.net_' . ($last + 1);
mkdir($path);
echo "Checking-out to $path\n";
$ref = Refs::getRef();
run("git archive $ref | tar -xC " . escapeshellarg($path));

echo "Coping previous config.local.neon\n";
run('cp /srv/api.webexpo.net/app/config/config.local.neon ' . escapeshellarg("$path/app/config/"));

echo "Updating privileges\n";
run('chmod -R ug+rwx,o= ' . escapeshellarg($path));
run('chgrp -R webexpo ' . escapeshellarg($path));

echo "Writing deploy.txt\n";
$out = "Deployed on " . date('Y-m-d H:i:s') . "\n";
$out .= Refs::getCommit() . "\n";
run('echo ' . escapeshellarg($out) . ' > ' . escapeshellarg("$path/www/deploy.txt"));

echo "Blessing this build\n";
sleep(1);

// TODO backup database
echo "Running migrations\n";
run('php ' . escapeshellarg("$path/www/index.php") . ' migrations:migrate');

echo "Swapping symlinks\n";
run('unlink /srv/api.webexpo.net && ln -s ' . escapeshellarg($path) . ' /srv/api.webexpo.net');

echo "Reloading worker\n";
run('sudo supervisorctl restart webexpo:worker-00');

echo "Reloading php5-fpm\n";
run('sudo /etc/init.d/php5-fpm reload');

echo "Flushing redis\n";
run('redis-cli flushall');

echo "Pushing tag to github\n";
$parts = explode('/', Refs::getRef());
$tag = 'deploy-' . array_pop($parts);
run("git tag -f -a $tag -m $tag $ref");
run("git push github $tag -f");

// Flushing fs cache is not required because the freshly
// checked out directory does not have any temp files

// Flushing varnish is not required

echo "\033[1;32mDeploy successful\033[0m\n";

function run($command)
{
	$process = new Process($command);
	$process->run();
	if (!$process->isSuccessful())
	{
	    System::fail($process->getErrorOutput() ?: "Deploy failed on command:\n$command");
	}
}