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Automatic Deployments with BitBucket Hooks
<?php
# Originally seen here: 'Using Bitbucket for Automated Deployments'
# http://brandonsummers.name/blog/2012/02/10/using-bitbucket-for-automated-deployments/
# Is it safe servers time ?
#date_default_timezone_set('America/Los_Angeles');
class Deploy {
/**
* A callback function to call after the deploy has finished.
*
* @var callback
*/
public $post_deploy;
/**
* The name of the file that will be used for logging deployments. Set to * FALSE to disable logging.
*
* @var string
*/
private $_log = 'deployments.log';
/**
* The timestamp format used for logging.
*
* @link http://www.php.net/manual/en/function.date.php
* @var string
*/
private $_date_format = 'Y-m-d H:i:sP';
/**
* The name of the branch to pull from.
*
* @var string
*/
private $_branch = 'master';
/**
* The name of the remote to pull from.
*
* @var string
*/
private $_remote = 'origin';
/**
* The directory where your website and git repository are located, can be * a relative or absolute path
*
* @var string
*/
private $_directory;
/** * Sets up defaults.
*
* @param string $directory Directory where your website is located
* @param array $data Information about the deployment
*/
public function __construct ($directory, $options = array()) {
// Determine the directory path
$this->_directory = realpath($directory).DIRECTORY_SEPARATOR;
$available_options = array('log', 'date_format', 'branch', 'remote');
foreach ($options as $option => $value) {
if (in_array($option, $available_options)) {
$this->{'_'.$option} = $value; }
} $this->log('Attempting deployment...');
}
/**
* Writes a message to the log file.
*
* @param string $message The message to write
* @param string $type The type of log message (e.g. INFO, DEBUG, ERROR, etc.)
*/
public function log($message, $type = 'INFO') {
if ($this->_log) {
// Set the name of the log file
$filename = $this->_log;
if ( ! file_exists($filename)) {
// Create the log file
file_put_contents($filename, '');
// Allow anyone to write to log files
chmod($filename, 0666); }
// Write the message into the log file
// Format: time --- type: message
file_put_contents($filename, date($this->_date_format).' --- '.$type.': '.$message.PHP_EOL, FILE_APPEND);
}
}
/**
* Executes the necessary commands to deploy the website.
*/
public function execute() {
try {
// Make sure we're in the right directory
//exec('cd '.$this->_directory, $output);
chdir($this->_directory);
$this->log('Changing working directory... '.implode(' ', $output));
// Discard any changes to tracked files since our last deploy
exec('git reset --hard HEAD', $output);
$this->log('Reseting repository... '.implode(' ', $output)); // Update the local repository
exec('git pull '.$this->_remote.' '.$this->_branch, $output);
$this->log('Pulling in changes... '.implode(' ', $output));
// Secure the .git directory
exec('chmod -R og-rx .git');
$this->log('Securing .git directory... ');
if (is_callable($this->post_deploy)) {
call_user_func($this->post_deploy, $this->_data);
}
$this->log('Deployment successful.');
} catch (Exception $e) {
$this->log($e, 'ERROR');
}
}
}
// This is just an example
$deploy = new Deploy('/home/machine/domains/domain.com/html');
$deploy->post_deploy = function() use ($deploy) {
// hit the wp-admin page to update any db changes
//exec('curl http://www.foobar.com/wp-admin/upgrade.php?step=upgrade_db');
$deploy->log('Biojazzard´s GIT PULL ... ');
};
// Doit
$deploy->execute();
?>
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