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provision.drush.inc
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provision.drush.inc
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<?php
/**
* @file
* Provision Drush commands.
*
*
* This module provides a framework for a Drupal site to manage and install new Drupal sites, using the command line
* Drush utility.
*
* It allows for pluggable 'provisioning modules' that can extend and modify the tasks that are taken during installation.
*
* Each site has the following commands that can be run on it.
*
* Implemented :
* install - Install a new Drupal site. The install command uses 3 separate hooks to do its job,
* namely hook_pre_provision_install(), hook_provision_install() and hook_post_provision_install().
* verify - Recreate all configuration files, to be in synch with changes in the front end. And test that they are correct.
* stats - Return an associated array of site statistics. (implemented in provision_stats module, is thus optional)
* import - Import the details of an already existing site into the provisioning framework.
* This command inspects the settings.php and generates the site.php file that the framework uses for configuration.
* backup - Generates a tarball containing the sites directory, the site data configuration and the database dump.
* This allows the tarball to act as a 'site package', which can be redeployed on other installations,
* or used for an upgrade.
* disable - Disable an installed Drupal site. Changes the virtual host config file so that it redirects to provision_disabled_site_redirect_url
* enable - Re-enable a site that has already been disabled. Recreates the virtual host file.
* delete - In a site context: generates a back up of the site, and then removes all references to it.
* In a platform context: removes the platform and its vhost config from the server if no sites are currently running on it
* restore - Revert to a previous backup of the site.
*
* deploy - Accepts a site package (backup) as argument, and redeploys it, running the upgrade processes on it.
* Uses hook_provision_pre_upgrade(), hook_provision_upgrade() and hook_provision_post_upgrade() hooks,
* and allows clean roll back if any errors occur. Will include stringent checking of module versions,
* and allow unit tests to be run.
* lock - Lock a platform so that sites cannot be provisioned on it. This does not disable or delete the platform
* nor any sites currently provisioned on it.
* unlock - Unlock a platform so that sites can be provisioned on it.
*
* login-reset - Generate a one-time login reset URL.
*/
/**
* @defgroup provisiondrush Command line interface for Provision.
* @{
*/
include_once('provision.inc');
/**
* Implements hook_drush_init().
*/
function provision_drush_init() {
// try to load the drush siterecoard (the "alias") into d
// if a name is provided, it's because we're in provision-save so we
// need to specify it because it's not loaded by drush
$hash_name = drush_get_option('#name') ? '#name' : 'name';
d(drush_get_option($hash_name, '@self', 'alias'), TRUE);
// Make sure that the provision command is not being run as the root user.
_provision_drush_check_user();
}
/**
* This will abort any process running drush provision commands if the
* user running the command is root.
*/
function _provision_drush_check_user() {
$command = drush_get_command();
$name = posix_getpwuid(posix_geteuid());
if (preg_match("/^provision-\b/", $command['command']) && $name['name'] == 'root') {
return drush_set_error('PROVISION_IS_ROOT', dt('You are running the provision script as the root user. Exiting'));
}
}
/**
* Implementation of hook_drush_command().
*/
function provision_drush_command() {
$items['provision-save'] = array(
'description' => dt('Save Drush alias'),
'arguments' => array(
'@context_name' => 'Context to save',
),
'options' => array_merge(array(
'context_type' => 'server, platform, or site; default server',
'delete' => 'Remove the alias.'),
Provision_Context_server::option_documentation(),
Provision_Context_platform::option_documentation(),
Provision_Context_site::option_documentation()),
// we should populate from all known contexts, unfortunately we don't
// enumerate them yet... see https://drupal.org/node/1972286
'allow-additional-options' => TRUE,
'bootstrap' => DRUSH_BOOTSTRAP_DRUSH,
);
$items['provision-install'] = array(
'description' => dt('Provision a new site using the provided data.'),
'examples' => array(
'drush @site provision-install' => 'Install the site as defined by the site Drush alias generated with provision-save.',
),
'options' => array(
'client_email' => dt('The email address of the client to use.'),
'profile' => dt('The profile to use when installing the site.'),
'force-reinstall' => dt('Delete the sites database and files, before attempting to install.'),
),
'allow-additional-options' => TRUE,
'bootstrap' => DRUSH_BOOTSTRAP_DRUSH,
);
$items['provision-install-backend'] = array(
'description' => dt('Provision a new site using the provided data.'),
'options' => array(
'client_email' => dt('The email address of the client to use.'),
),
'allow-additional-options' => TRUE,
'hidden' => TRUE,
'bootstrap' => DRUSH_BOOTSTRAP_DRUSH,
);
$items['provision-import'] = array(
'description' => dt('Turn an already running site into a provisioned site.'),
'options' => array(
'client_email' => dt('The email address of the client to use.'),
),
'allow-additional-options' => TRUE,
'examples' => array(
'drush @site provision-import' => 'Import the site as defined by the site Drush alias generated with provision-save.',
),
'bootstrap' => DRUSH_BOOTSTRAP_DRUSH,
);
$items['provision-backup'] = array(
'optional arguments' => array('backup-file' => dt('The file to save the backup to. This will be a gzipped tarball.')),
'options' => array(
'provision_backup_suffix' => dt('Set the extension for the backupfile, compression is derived from this (default: ".tar.gz"'),
),
'description' => dt('Generate a back up for the site.'),
'allow-additional-options' => TRUE,
'examples' => array(
'drush @site provision-backup' => 'Back up the site as defined by the site Drush alias generated with provision-save.',
),
'bootstrap' => DRUSH_BOOTSTRAP_DRUSH,
);
$items['provision-enable'] = array(
'description' => 'Enable a disabled site.',
'allow-additional-options' => TRUE,
'examples' => array(
'drush @site provision-enable' => 'Enable the site as defined by the site Drush alias generated with provision-save.',
),
'bootstrap' => DRUSH_BOOTSTRAP_DRUSH
);
$items['provision-disable'] = array(
'arguments' => array('domain.com' => dt('The domain of the site to disable (only if disabled).')),
'description' => 'Disable a site.',
'allow-additional-options' => TRUE,
'examples' => array(
'drush @site provision-disable' => 'Disable the site as defined by the site Drush alias generated with provision-save.',
),
'bootstrap' => DRUSH_BOOTSTRAP_DRUSH
);
$items['provision-lock'] = array(
'description' => 'Lock a platform from having any other sites provisioned on it.',
'examples' => array(
'drush @platform provision-lock' => 'Lock the platform as defined by the platform Drush alias generated with provision-save.',
),
'bootstrap' => DRUSH_BOOTSTRAP_DRUPAL_ROOT
);
$items['provision-unlock'] = array(
'description' => 'Unlock a platform so that sites can be provisioned on it.',
'examples' => array(
'drush @platform provision-unlock' => 'Unlock the platform as defined by the platform Drush alias generated with provision-save.',
),
'bootstrap' => DRUSH_BOOTSTRAP_DRUPAL_ROOT
);
$items['provision-dlock'] = array(
'description' => 'Lock a platform local Drush.',
'examples' => array(
'drush @platform provision-dlock' => 'Lock the platform local Drush as defined by the platform Drush alias generated with provision-save.',
),
'bootstrap' => DRUSH_BOOTSTRAP_DRUPAL_ROOT
);
$items['provision-dunlock'] = array(
'description' => 'Unlock a platform local Drush.',
'examples' => array(
'drush @platform provision-dunlock' => 'Unlock the platform local Drush as defined by the platform Drush alias generated with provision-save.',
),
'bootstrap' => DRUSH_BOOTSTRAP_DRUPAL_ROOT
);
$items['provision-verify'] = array(
'aliases' => array('v', 'pv', 'verify'),
'arguments' => array('domain.com' => dt('The domain of the site to verify).')),
'description' => 'Verify that the provisioning framework is correctly installed.',
'examples' => array(
'drush @site provision-verify' => 'Verify the site as defined by the site Drush alias generated with provision-save.',
'drush @platform provision-verify' => 'Verify the platform as defined by the platform Drush alias generated with provision-save.',
),
'options' => array(
'working-copy' => array(
'description' => dt('Keep VCS files when building the a platform using Drush make.'),
'hidden' => TRUE,
),
'override_slave_authority' => array(
'description' => dt('Push the site specific files directory to a slave. This overrides the slaves authority.'),
),
),
'allow-additional-options' => TRUE,
'bootstrap' => DRUSH_BOOTSTRAP_DRUSH,
);
$items['provision-restore'] = array(
'description' => 'Restore the site to a previous backup. This will also generate a backup of the site as it was.',
'arguments' => array(
'site_backup.tar.gz' => dt('The backup to restore the site to.')),
'allow-additional-options' => TRUE,
'examples' => array(
'drush @site provision-restore ~/backups/some_site.tar.gz' => 'Restore the site to the backup in ~/backups/some_site.tar.gz.',
),
'bootstrap' => DRUSH_BOOTSTRAP_DRUSH,
);
$items['provision-deploy'] = array(
'description' => 'Deploy an existing backup to a new url.',
'arguments' => array(
'site_backup.tar.gz' => dt('The backup to deploy.')),
'options' => array(
'old_uri' => dt('Old site uri to replace in references to sites/example.com/files/ in the database content.)'),
),
'allow-additional-options' => TRUE,
'examples' => array(
'drush @site provision-deploy ~/backups/some_site.tar.gz' => 'Deploy the site as defined by the site Drush alias, from the backup in ~/backups/some_site.tar.gz.',
),
'bootstrap' => DRUSH_BOOTSTRAP_DRUSH,
);
$items['provision-migrate'] = array(
'description' => 'Migrate a site between platforms.',
'arguments' => array(
'@platform_name' => dt('The Drush alias of the platform.')),
'options' => array(
'profile' => dt('The Drupal profile to use.')),
'allow-additional-options' => TRUE,
'examples' => array(
'drush @site provision-migrate @platform_name' => 'Migrate the site as defined by the Drush alias, to the platform as defined by the platform\'s Drush alias',
),
'bootstrap' => DRUSH_BOOTSTRAP_DRUSH,
);
$items['provision-clone'] = array(
'description' => 'Clone a site between platforms.',
'arguments' => array(
'@new_site' => dt('The Drush alias of the new site as generated by provision-save.'),
'@platform_name' => dt('The Drush alias of the platform to clone the site onto.')),
'options' => array(
'profile' => dt('The Drupal profile to use.')),
'allow-additional-options' => TRUE,
'examples' => array(
'drush @site provision-clone @new_site @platform_name' => 'Clone the original site to the new site on a platform',
),
'bootstrap' => DRUSH_BOOTSTRAP_DRUSH,
);
$items['provision-delete'] = array(
'description' => 'Delete a site or platform.',
'options' => array(
'force' => dt('Force deletion.')),
'allow-additional-options' => TRUE,
'examples' => array(
'drush @site provision-delete' => 'Delete the site as defined by the site Drush alias generated with provision-save.',
),
'bootstrap' => DRUSH_BOOTSTRAP_DRUSH,
);
$items['provision-login-reset'] = array(
'description' => 'Generate a one-time login reset URL.',
'allow-additional-options' => TRUE,
'examples' => array(
'drush @site provision-login-reset' => 'Generate a one-time login reset URL for the site as defined by the site Drush alias generated with provision-save.',
),
'bootstrap' => DRUSH_BOOTSTRAP_DRUSH,
);
$items['provision-backup-delete'] = array(
'description' => 'Delete a backup file.',
'arguments' => array('backup-file' => dt('The backup file to delete. This will be a gzipped tarball.')),
'required-arguments' => TRUE,
'examples' => array(
'drush @site provision-backup-delete /path/to/site_backup.tgz' => 'Delete a backup of this site as defined by the site Drush alias generated with provision-save.',
),
'allow-additional-options' => TRUE,
'bootstrap' => DRUSH_BOOTSTRAP_DRUSH
);
$items['hostmaster-migrate'] = array(
'description' => dt('Migrate an instance of the Hostmaster front end to a new platform'),
'bootstrap' => DRUSH_BOOTSTRAP_DRUPAL_ROOT,
'arguments' => array(
'example.com' => dt('The name of the site to migrate'),
'/path/to/platform' => dt('The platform to migrate the site to.'),
),
'options' => array(
'http_service_type' => dt('Webserver type to configure (default: %webserver)', array('%webserver' => 'apache')),
'makefile' => dt('The makefile used to create the hostmaster platform (default: %makefile)', array('%makefile' => dirname(__FILE__). '/aegir.make')),
'working-copy' => dt('Keep VCS files when building the hostmaster platform using Drush make.')
),
);
$items['hostmaster-install'] = array(
'description' => dt('Install and verify the Hostmaster frontend.'),
'bootstrap' => DRUSH_BOOTSTRAP_DRUSH,
'arguments' => array(
'example.com' => dt('The URL of the site to install, optional (default: %host).', array('%host' => provision_fqdn())),
),
'options' => array
(
'http_service_type' => dt('Webserver type to configure (default: %webserver)', array('%webserver' => 'apache')),
'aegir_db_host' => dt('Database host to connect to (default: %host)', array('%host' => 'localhost')),
'aegir_db_user' => dt('Database user to connect as (default: %user)', array('%user' => 'root')),
'aegir_db_pass' => dt('Database password to use'),
'aegir_db_port' => dt('Database port to use (default: %port)', array('%port' => '3306')),
'aegir_db_grant_all_hosts' => dt('Allow connection from arbitrary web hosts. (Default: FALSE)'),
'client_email' => dt('Email of the first client to create in the frontend'),
'client_name' => dt('Name of the first client to create in the frontend (default: %user)', array('%user' => 'admin')),
'makefile' => dt('The makefile used to create the hostmaster platform (default: %makefile)', array('%makefile' => dirname(__FILE__). '/aegir.make')),
'aegir_host' => dt('Fully qualified domain name of the local server (default: %fqdn)', array('%fqdn' => provision_fqdn())),
'script_user' => dt('User to run the backend as (default: %user)', array('%user' => provision_current_user())),
'web_group' => dt('Group the webserver is running as (default: %group)', array('%group' => _provision_default_web_group())),
'http_port' => dt('Port the webserver is running on (default: %port)', array('%port' => '80')),
'version' => dt('The version of this released. (default: %version)', array('%version' => provision_version())),
'aegir_root' => dt('Install aegir in this home directory (default: %home). Do not change unless you know what you are doing.', array('%home' => drush_server_home())),
'root' => dt('Install the frontend in this directory (default: %home/hostmaster-%version).', array('%home' => drush_server_home(), '%version' => provision_version())),
'backend-only' => dt('Install just the backend, and not the frontend UI.'),
'working-copy' => dt('Keep VCS files when building the hostmaster platform using Drush make.')
),
);
$items['hostmaster-uninstall'] = array(
'description' => dt('Uninstall the Hostmaster frontend.'),
'bootstrap' => DRUSH_BOOTSTRAP_DRUPAL_SITE,
'options' => array
(
'all' => dt('Destroy *ALL* sites managed by the Aegir frontend'),
),
);
$items['backend-parse'] = array(
'description' => dt('Parse the output of --backend commands to a human readable form'),
'bootstrap' => DRUSH_BOOTSTRAP_DRUSH,
);
return $items;
}
function drush_provision_save($alias = NULL) {
if (drush_get_option('delete', FALSE)) {
// remove an existing alias
$config = new Provision_Config_Drushrc_Alias($alias);
$config->unlink();
}
else {
// trigger additional logic that should happen only on save.
d($alias)->type_invoke('save');
// create or update the record
d($alias)->write_alias();
}
}
function drush_provision_verify() {
provision_backend_invoke(d()->name, 'provision-save');
d()->command_invoke('verify');
}
function _provision_default_web_group() {
return 'www-data';
}
/**
* Check whether a Hosting feature is enabled.
*/
function provision_hosting_feature_enabled($feature) {
$features = drush_get_option('hosting_features', array());
return array_key_exists($feature, $features) && $features[$feature];
}
/**
* Generate one-time login link
*/
function provision_generate_login_reset() {
$uri = d()->redirection ?: d()->uri;
$result = drush_invoke_process(d()->name, 'user-login', array(), array('uri' => $uri, 'no-browser' => TRUE));
return $result['output'];
}