ew_deployer_config/Classes/Tasks/Local.php
2025-04-24 12:15:11 +02:00

438 lines
16 KiB
PHP

<?php
declare(strict_types=1);
namespace Evoweb\DeployerConfig\Tasks;
use Deployer\Exception\ConfigurationException;
use Deployer\Exception\Exception;
use Deployer\Exception\GracefulShutdownException;
use Symfony\Component\Console\Output\OutputInterface;
use function Deployer\currentHost;
use function Deployer\error;
use function Deployer\get;
use function Deployer\info;
use function Deployer\output;
use function Deployer\parse;
use function Deployer\runLocally;
use function Deployer\set;
use function Deployer\Support\escape_shell_argument;
use function Deployer\testLocally;
use function Deployer\timestamp;
class Local extends AbstractTasks
{
protected array $tasks = [
'local:info',
'local:setup',
'local:lock',
'local:unlock',
'local:release',
'local:update_code',
'local:env',
'local:shared',
'local:writable',
'local:write_release',
'local:vendors',
'local:clear_paths',
'local:symlink',
'local:cleanup',
'local:echo_release_number',
];
/**
* Displays info about deployment
*/
public function info(): void
{
info("deploying <fg=green;options=bold>{{what}}</> to <fg=magenta;options=bold>{{where}}</>");
}
/**
* Prepares host for deploy
*/
public function setup(): void
{
runLocally(
<<<EOF
[ -d {{deploy_path}} ] || mkdir -p {{deploy_path}};
cd {{deploy_path}};
[ -d .dep ] || mkdir .dep;
[ -d releases ] || mkdir releases;
[ -d shared ] || mkdir shared;
EOF
);
// If current_path points to something like "/var/www/html", make sure it is
// a symlink and not a directory.
if (testLocally('[ ! -L {{current_path}} ] && [ -d {{current_path}} ]')) {
throw error("There is a directory (not symlink) at {{current_path}}.\n Remove this directory so it can be replaced with a symlink for atomic deployments.");
}
}
/**
* Locks deploy
*/
public function lock(): void
{
$user = escapeshellarg(get('user'));
$locked = runLocally("[ -f {{deploy_path}}/.dep/deploy.lock ] && echo +locked || echo $user > {{deploy_path}}/.dep/deploy.lock");
if ($locked === '+locked') {
$lockedUser = runLocally("cat {{deploy_path}}/.dep/deploy.lock");
throw new GracefulShutdownException(
"Deploy locked by $lockedUser.\n" .
"Execute \"deploy:unlock\" task to unlock."
);
}
}
/**
* Prepares release
*/
public function release(): void
{
// Clean up if there is unfinished release.
if (testLocally('[ -h {{deploy_path}}/release ]')) {
runLocally('rm {{deploy_path}}/release'); // Delete symlink.
}
// We need to get releases_list at same point as release_name,
// as standard release_name's implementation depends on it and,
// if user overrides it, we need to get releases_list manually.
$releasesList = get('releases_list');
$releaseName = get('release_name');
$releasePath = "{{deploy_path}}/releases/$releaseName";
// Check what there is no such release path.
if (testLocally("[ -d $releasePath ]")) {
$freeReleaseName = '...';
// Check what $releaseName is integer.
if (ctype_digit($releaseName)) {
$freeReleaseName = intval($releaseName);
// Find free release name.
while (testLocally("[ -d {{deploy_path}}/releases/$freeReleaseName ]")) {
$freeReleaseName++;
}
}
throw new Exception("Release name \"$releaseName\" already exists.\nRelease name can be overridden via:\n dep deploy -o release_name=$freeReleaseName");
}
// Save release_name.
if (is_numeric($releaseName) && is_integer(intval($releaseName))) {
runLocally("echo $releaseName > {{deploy_path}}/.dep/latest_release");
}
// Metainfo.
$timestamp = timestamp();
$metainfo = [
'created_at' => $timestamp,
'release_name' => $releaseName,
'user' => get('user'),
'target' => get('target'),
];
// Save metainfo about release.
$json = escape_shell_argument(json_encode($metainfo));
runLocally("echo $json >> {{deploy_path}}/.dep/releases_log");
// Make new release.
runLocally("mkdir -p $releasePath");
runLocally("{{bin/symlink}} $releasePath {{deploy_path}}/release");
// Add to releases list.
array_unshift($releasesList, $releaseName);
set('releases_list', $releasesList);
// Set previous_release.
if (isset($releasesList[1])) {
set('previous_release', "{{deploy_path}}/releases/{$releasesList[1]}");
}
}
/**
* Updates code
*/
public function updateCode(): void
{
$git = get('bin/git');
$repository = get('repository');
$target = get('target');
if (empty($repository)) {
throw new ConfigurationException("Missing 'repository' configuration.");
}
// Copy to release_path.
runLocally("cd {{release_path}}; $git clone --branch $target $repository .");
// Save git revision in REVISION file.
$rev = escapeshellarg(runLocally("cd {{release_path}}; $git rev-list $target -1"));
runLocally("echo $rev > {{release_path}}/REVISION");
}
/**
* Configure .env file
*/
public function env(): void
{
if (testLocally('[ ! -e {{release_or_current_path}}/.env ] && [ -f {{release_or_current_path}}/{{dotenv_example}} ]')) {
runLocally('cp {{release_or_current_path}}/{{dotenv_example}} {{release_or_current_path}}/.env');
}
}
/**
* Creates symlinks for shared files and dirs
*/
public function shared(): void
{
$sharedPath = "{{deploy_path}}/shared";
// Validate shared_dir, find duplicates
foreach (get('shared_dirs') as $a) {
foreach (get('shared_dirs') as $b) {
if ($a !== $b && strpos(rtrim($a, '/') . '/', rtrim($b, '/') . '/') === 0) {
throw new Exception("Can not share same dirs `$a` and `$b`.");
}
}
}
$copyVerbosity = output()->getVerbosity() === OutputInterface::VERBOSITY_DEBUG ? 'v' : '';
foreach (get('shared_dirs') as $dir) {
// Make sure all path without tailing slash.
$dir = trim($dir, '/');
// Check if shared dir does not exist.
if (!testLocally("[ -d $sharedPath/$dir ]")) {
// Create shared dir if it does not exist.
runLocally("mkdir -p $sharedPath/$dir");
// If release contains shared dir, copy that dir from release to shared.
if (testLocally("[ -d $(echo {{release_path}}/$dir) ]")) {
runLocally("cp -r$copyVerbosity {{release_path}}/$dir $sharedPath/" . dirname($dir));
}
}
// Remove from source.
runLocally("rm -rf {{release_path}}/$dir");
// Create path to shared dir in release dir if it does not exist.
// Symlink will not create the path and will fail otherwise.
runLocally("mkdir -p `dirname {{release_path}}/$dir`");
// Symlink shared dir to release dir
runLocally("{{bin/symlink}} $sharedPath/$dir {{release_path}}/$dir");
}
foreach (get('shared_files') as $file) {
$dirname = dirname(parse($file));
// Create dir of shared file if not existing
if (!testLocally("[ -d $sharedPath/$dirname ]")) {
runLocally("mkdir -p $sharedPath/$dirname");
}
// Check if shared file does not exist in shared.
// and file exist in release
if (!testLocally("[ -f $sharedPath/$file ]") && testLocally("[ -f {{release_path}}/$file ]")) {
// Copy file in shared dir if not present
runLocally("cp -r$copyVerbosity {{release_path}}/$file $sharedPath/$file");
}
// Remove from source.
runLocally("if [ -f $(echo {{release_path}}/$file) ]; then rm -rf {{release_path}}/$file; fi");
// Ensure dir is available in release
runLocally("if [ ! -d $(echo {{release_path}}/$dirname) ]; then mkdir -p {{release_path}}/$dirname;fi");
// Touch shared
runLocally("[ -f $sharedPath/$file ] || touch $sharedPath/$file");
// Symlink shared dir to release dir
runLocally("{{bin/symlink}} $sharedPath/$file {{release_path}}/$file");
}
}
/**
* Makes writable dirs
*/
public function writable(): void
{
$dirs = join(' ', get('writable_dirs'));
$mode = get('writable_mode');
$recursive = get('writable_recursive') ? '-R' : '';
$sudo = get('writable_use_sudo') ? 'sudo' : '';
if (empty($dirs)) {
return;
}
// Check that we don't have absolute path
if (strpos($dirs, ' /') !== false) {
throw new \RuntimeException('Absolute path not allowed in config parameter `writable_dirs`.');
}
$options = ['cwd' => $this->get('release_or_current_path')];
// Create directories if they don't exist
runLocally("mkdir -p $dirs", $options);
if ($mode === 'chown') {
$httpUser = get('http_user');
// Change owner.
// -L traverse every symbolic link to a directory encountered
runLocally("$sudo chown -L $recursive $httpUser $dirs", $options);
} elseif ($mode === 'chgrp') {
// Change group ownership.
// -L traverse every symbolic link to a directory encountered
runLocally("$sudo chgrp -L $recursive {{http_group}} $dirs", $options);
runLocally("$sudo chmod $recursive g+rwx $dirs", $options);
} elseif ($mode === 'chmod') {
runLocally("$sudo chmod $recursive {{writable_chmod_mode}} $dirs", $options);
} elseif ($mode === 'acl') {
$remoteUser = get('remote_user', false);
if (empty($remoteUser)) {
$remoteUser = runLocally('whoami');
}
$httpUser = get('http_user');
if (strlen(runLocally("chmod --help | grep ugoa; true")) > 0) {
// Try OS-X specific setting of access-rights
runLocally("$sudo chmod g+w $dirs", $options);
} elseif ($this->commandExist('setfacl')) {
$setFaclUsers = "-m u:\"$httpUser\":rwX";
// Check if remote user exists, before adding it to setfacl
$remoteUserExists = testLocally("id -u $remoteUser &>/dev/null 2>&1 || exit 0");
if ($remoteUserExists === true) {
$setFaclUsers .= " -m u:$remoteUser:rwX";
}
if (empty($sudo)) {
// When running without sudo, exception may be thrown
// if executing setfacl on files created by http user (in directory that has been setfacl before).
// These directories/files should be skipped.
// Now, we will check each directory for ACL and only setfacl for which has not been set before.
$writeableDirs = get('writable_dirs');
foreach ($writeableDirs as $dir) {
// Check if ACL has been set or not
$hasfacl = runLocally("getfacl -p $dir | grep \"^user:$httpUser:.*w\" | wc -l", $options);
// Set ACL for directory if it has not been set before
if (!$hasfacl) {
runLocally("setfacl -L $recursive $setFaclUsers $dir", $options);
runLocally("setfacl -dL $recursive $setFaclUsers $dir", $options);
}
}
} else {
runLocally("$sudo setfacl -L $recursive $setFaclUsers $dirs", $options);
runLocally("$sudo setfacl -dL $recursive $setFaclUsers $dirs", $options);
}
} else {
$alias = currentHost()->getAlias();
throw new \RuntimeException("Can't set writable dirs with ACL.\nInstall ACL with next command:\ndep run 'sudo apt-get install acl' -- $alias");
}
} elseif ($mode === 'sticky') {
// Changes the group of the files, sets sticky bit to the directories
// and add the writable bit for all files
runLocally("for dir in $dirs;" .
'do ' .
'chgrp -L -R {{http_group}} ${dir}; ' .
'find ${dir} -type d -exec chmod g+rwxs \{\} \;;' .
'find ${dir} -type f -exec chmod g+rw \{\} \;;' .
'done', $options);
} elseif ($mode === 'skip') {
// Does nothing, saves time if no changes are required for some environments
return;
} else {
throw new \RuntimeException("Unknown writable_mode `$mode`.");
}
}
public function writeRelease(): void
{
runLocally('echo {{target}} > {{release_path}}/release');
}
/**
* Installing vendors
*/
public function vendors(): void
{
if (!$this->commandExist('unzip')) {
info(
'<comment>To speed up composer installation setup "unzip" command' .
' with PHP zip extension https://goo.gl/sxzFcD</comment>'
);
}
// if composer.json exists
if (testLocally('[ -d $(echo {{release_path}}) ] && [ -e "{{release_path}}/composer.json" ]')) {
runLocally('{{bin/composer}} --working-dir={{release_path}} {{composer_options}};');
}
}
/**
* Cleanup files and/or directories
*/
public function clearPaths(): void
{
$paths = get('clear_paths');
$sudo = get('clear_use_sudo') ? 'sudo' : '';
$batch = 100;
$commands = [];
foreach ($paths as $path) {
$commands[] = "$sudo rm -rf {{release_path}}/$path";
}
$chunks = array_chunk($commands, $batch);
foreach ($chunks as $chunk) {
runLocally(implode('; ', $chunk));
}
}
/**
* Creating symlink to release
*/
public function symlink(): void
{
if (get('use_atomic_symlink')) {
runLocally("mv -T {{deploy_path}}/release {{current_path}}");
} else {
// Atomic symlink does not supported.
// Will use simple two steps switch.
runLocally("cd {{deploy_path}} && {{bin/symlink}} {{release_path}} {{current_path}}"); // Atomic override symlink.
runLocally("cd {{deploy_path}} && rm release"); // Remove release link.
}
}
/**
* Cleaning up old releases
*/
public function cleanup(): void
{
$releases = get('releases_list');
$keep = get('keep_releases');
$sudo = get('cleanup_use_sudo') ? 'sudo' : '';
runLocally("cd {{deploy_path}} && if [ -e release ]; then rm release; fi");
if ($keep > 0) {
foreach (array_slice($releases, $keep) as $release) {
runLocally("$sudo rm -rf {{deploy_path}}/releases/$release");
}
}
}
public function echoReleaseNumber(): void
{
info('Folder of this release is: {{release_path}}');
}
/**
* Unlocks deploy
*/
public function unlock(): void
{
// always success
runLocally("rm -f {{deploy_path}}/.dep/deploy.lock");
}
}