6f3dff46d1
Use environemnt variables to override any value in config.php Also, locked version on the ubuntu image to something that actually builds.
160 lines
4.9 KiB
PHP
160 lines
4.9 KiB
PHP
#!/usr/bin/env php
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<?php
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$confpath = '/var/www/config.php';
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$config = array();
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// path to ttrss
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$config['SELF_URL_PATH'] = env('SELF_URL_PATH', 'http://localhost');
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if (getenv('DB_TYPE') !== false) {
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$config['DB_TYPE'] = getenv('DB_TYPE');
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} elseif (getenv('DB_PORT_5432_TCP_ADDR') !== false) {
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// postgres container linked
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$config['DB_TYPE'] = 'pgsql';
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$eport = 5432;
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} elseif (getenv('DB_PORT_3306_TCP_ADDR') !== false) {
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// mysql container linked
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$config['DB_TYPE'] = 'mysql';
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$eport = 3306;
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}
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if (!empty($eport)) {
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$config['DB_HOST'] = env('DB_PORT_' . $eport . '_TCP_ADDR');
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$config['DB_PORT'] = env('DB_PORT_' . $eport . '_TCP_PORT');
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} elseif (getenv('DB_PORT') === false) {
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error('The env DB_PORT does not exist. Make sure to run with "--link mypostgresinstance:DB"');
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} elseif (is_numeric(getenv('DB_PORT')) && getenv('DB_HOST') !== false) {
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// numeric DB_PORT provided; assume port number passed directly
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$config['DB_HOST'] = env('DB_HOST');
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$config['DB_PORT'] = env('DB_PORT');
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if (empty($config['DB_TYPE'])) {
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switch ($config['DB_PORT']) {
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case 3306:
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$config['DB_TYPE'] = 'mysql';
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break;
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case 5432:
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$config['DB_TYPE'] = 'pgsql';
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break;
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default:
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error('Database on non-standard port ' . $config['DB_PORT'] . ' and env DB_TYPE not present');
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}
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}
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}
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// database credentials for this instance
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// database name (DB_NAME) can be supplied or detaults to "ttrss"
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// database user (DB_USER) can be supplied or defaults to database name
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// database pass (DB_PASS) can be supplied or defaults to database user
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$config['DB_NAME'] = env('DB_NAME', 'ttrss');
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$config['DB_USER'] = env('DB_USER', $config['DB_NAME']);
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$config['DB_PASS'] = env('DB_PASS', $config['DB_USER']);
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if (!dbcheck($config)) {
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echo 'Database login failed, trying to create...' . PHP_EOL;
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// superuser account to create new database and corresponding user account
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// username (SU_USER) can be supplied or defaults to "docker"
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// password (SU_PASS) can be supplied or defaults to username
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$super = $config;
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$super['DB_NAME'] = null;
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$super['DB_USER'] = env('DB_ENV_USER', 'docker');
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$super['DB_PASS'] = env('DB_ENV_PASS', $super['DB_USER']);
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$pdo = dbconnect($super);
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if ($super['DB_TYPE'] === 'mysql') {
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$pdo->exec('CREATE DATABASE ' . ($config['DB_NAME']));
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$pdo->exec('GRANT ALL PRIVILEGES ON ' . ($config['DB_NAME']) . '.* TO ' . $pdo->quote($config['DB_USER']) . '@"%" IDENTIFIED BY ' . $pdo->quote($config['DB_PASS']));
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} else {
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$pdo->exec('CREATE ROLE ' . ($config['DB_USER']) . ' WITH LOGIN PASSWORD ' . $pdo->quote($config['DB_PASS']));
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$pdo->exec('CREATE DATABASE ' . ($config['DB_NAME']) . ' WITH OWNER ' . ($config['DB_USER']));
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}
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unset($pdo);
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if (dbcheck($config)) {
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echo 'Database login created and confirmed' . PHP_EOL;
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} else {
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error('Database login failed, trying to create login failed as well');
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}
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}
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$pdo = dbconnect($config);
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try {
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$pdo->query('SELECT 1 FROM ttrss_feeds');
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// reached this point => table found, assume db is complete
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}
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catch (PDOException $e) {
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echo 'Database table not found, applying schema... ' . PHP_EOL;
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$schema = file_get_contents('schema/ttrss_schema_' . $config['DB_TYPE'] . '.sql');
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$schema = preg_replace('/--(.*?);/', '', $schema);
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$schema = preg_replace('/[\r\n]/', ' ', $schema);
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$schema = trim($schema, ' ;');
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foreach (explode(';', $schema) as $stm) {
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$pdo->exec($stm);
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}
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unset($pdo);
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}
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$config_prefix = 'CONFIG_';
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foreach ($_SERVER as $name => $value) {
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if (strpos($name, $config_prefix) === 0) {
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$name = substr($name, strlen($config_prefix));
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echo 'Getting config from env: ' . $name . PHP_EOL;
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$config[$name] = $value;
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}
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}
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$contents = file_get_contents($confpath);
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foreach ($config as $name => $value) {
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$contents = preg_replace('/(define\s*\(\'' . $name . '\',\s*)(.*)(\);)/', '$1"' . $value . '"$3', $contents);
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}
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file_put_contents($confpath, $contents);
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function env($name, $default = null)
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{
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$v = getenv($name) ?: $default;
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if ($v === null) {
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error('The env ' . $name . ' does not exist');
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}
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return $v;
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}
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function error($text)
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{
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echo 'Error: ' . $text . PHP_EOL;
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exit(1);
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}
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function dbconnect($config)
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{
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$map = array('host' => 'HOST', 'port' => 'PORT', 'dbname' => 'NAME');
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$dsn = $config['DB_TYPE'] . ':';
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foreach ($map as $d => $h) {
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if (isset($config['DB_' . $h])) {
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$dsn .= $d . '=' . $config['DB_' . $h] . ';';
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}
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}
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$pdo = new \PDO($dsn, $config['DB_USER'], $config['DB_PASS']);
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$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
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return $pdo;
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}
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function dbcheck($config)
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{
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try {
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dbconnect($config);
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return true;
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}
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catch (PDOException $e) {
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return false;
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}
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}
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