<?php class Mage_Task_BuiltIn_Releases_Rollback extends Mage_Task_TaskAbstract implements Mage_Task_Releases_BuiltIn { private $_release = null; public function getName() { return 'Rollback release [built-in]'; } public function setRelease($releaseId) { $this->_release = $releaseId; return $this; } public function getRelease() { return $this->_release; } public function run() { if ($this->getConfig()->release('enabled', false) == true) { $releasesDirectory = $this->getConfig()->release('directory', 'releases'); $symlink = $this->getConfig()->release('symlink', 'current'); $output = ''; $result = $this->_runRemoteCommand('ls -1 ' . $releasesDirectory, $output); $releases = ($output == '') ? array() : explode(PHP_EOL, $output); if (count($releases) == 0) { Mage_Console::output('Release are not available for <dark_gray>' . $this->getConfig()->getHost() . '</dark_gray> ... <red>FAIL</red>'); } else { rsort($releases); $releaseIsAvailable = false; if ($this->getRelease() == '') { $releaseId = $releases[0]; $releaseIsAvailable = true; } else if ($this->getRelease() <= 0) { $index = $this->getRelease() * -1; if (isset($releases[$index])) { $releaseId = $releases[$index]; $releaseIsAvailable = true; } } else { if (in_array($this->getRelease(), $releases)) { $releaseId = $this->getRelease(); $releaseIsAvailable = true; } } if (!$releaseIsAvailable) { Mage_Console::output('Release <dark_gray>' . $this->getRelease() . '</dark_gray> is invalid or unavailable for <dark_gray>' . $this->getConfig()->getHost() . '</dark_gray> ... <red>FAIL</red>'); } else { Mage_Console::output('Rollback release on <dark_gray>' . $this->getConfig()->getHost() . '</dark_gray>'); $rollbackTo = $releasesDirectory . '/' . $releaseId; // Tasks $tasks = 1; $completedTasks = 0; $tasksToRun = $this->getConfig()->getTasks(); $this->getConfig()->setReleaseId($releaseId); if (count($tasksToRun) == 0) { Mage_Console::output('<light_purple>Warning!</light_purple> <dark_gray>No </dark_gray><light_cyan>Deployment</light_cyan> <dark_gray>tasks defined.</dark_gray>', 2); Mage_Console::output('Deployment to <dark_gray>' . $this->getConfig()->getHost() . '</dark_gray> skipped!', 1, 3); } else { foreach ($tasksToRun as $taskData) { $task = Mage_Task_Factory::get($taskData, $this->getConfig(), true, 'deploy'); $task->init(); Mage_Console::output('Running <purple>' . $task->getName() . '</purple> ... ', 2, false); if ($task instanceOf Mage_Task_Releases_RollbackAware) { $tasks++; $result = $task->run(); if ($result == true) { Mage_Console::output('<green>OK</green>', 0); $completedTasks++; } else { Mage_Console::output('<red>FAIL</red>', 0); } } else { Mage_Console::output('<yellow>SKIPPED</yellow>', 0); } } } // Changing Release Mage_Console::output('Running <purple>Rollback Release [id=' . $releaseId . ']</purple> ... ', 2, false); $userGroup = ''; $resultFetch = $this->_runRemoteCommand('ls -ld ' . $rollbackTo . ' | awk \'{print \$3":"\$4}\'', $userGroup); $command = 'rm -f ' . $symlink . ' && ' . 'ln -sf ' . $rollbackTo . ' ' . $symlink . ' && ' . 'chown -h ' . $userGroup . ' ' . $symlink; $result = $this->_runRemoteCommand($command); if ($result) { Mage_Console::output('<green>OK</green>', 0); $completedTasks++; } else { Mage_Console::output('<red>FAIL</red>', 0); } if ($completedTasks == $tasks) { $tasksColor = 'green'; } else { $tasksColor = 'red'; } Mage_Console::output('Release rollback on <dark_gray>' . $this->getConfig()->getHost() . '</dark_gray> compted: <' . $tasksColor . '>' . $completedTasks . '/' . $tasks . '</' . $tasksColor . '> tasks done.', 1, 3); } } return $result; } else { return false; } } }