how to install, use, and customize drush
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Drush: The essential Drupal tool
Tuesday, November 29, 2011
@JacobSingh
Trainer Engineer Speaker
About me
http://jacobsingh.name
Tuesday, November 29, 2011
@JacobSingh
Lover Fighter Whiskers
About movember
HTTP://TINYURL.COM/JACOBMO
Tuesday, November 29, 2011
What do programmers hate more than
anything?
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Work that is
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Tedious
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& Repetitive
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Introducing
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Drush!
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Drupal + shell
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What the shell?
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The Shell
• a.k.a. Terminal, Command Line, CLI
• Type commands to interact with your computer
• Windows = DOS and PowerShell
• Linux / OSX = bash, sh, rsh
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Tuesday, November 29, 2011
Exercise: Open the shell
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Windows
• Click on Start
• Type “cmd” into the program search
• Hit enter to select the command prompt
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OSX
• Go to Applications -‐> Utilities
• Click on terminal
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Exercise: Installing Drush
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pear channel-discover pear.drush.orgpear install drush/drush
* Windows is a little different. See http://drush.ws
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Why Drush?
• Speed
• Automation
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Drush can do a lot of things
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command (cmd)description.
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Let’s try a few
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cache-clear (cc) Clear a specific cache, or all
drupal caches.
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Exercise: Download Drupal
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pm-download (dl) Download projects from drupal.org or
other sources.
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Downloading Drupal
dl drupalDrush
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Exercise: Install Drupal
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Tuesday, November 29, 2011
site-install (si) Install Drupal along with modules/
themes/configuration using the specified install profile.
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drush site-installCould not find a Drupal settings.php file
at ./sites/default/settings.php. Could not determine database connection
parameters. . Pass --db-url option
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Pass --db-url option
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Pass --db-url option.
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Drush command Structure
Command Options Arguments
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site-install --db-url=mysql://....
cache-clear theme
Examples
Run the install command, using the db-url “mysql://...” (no arguments)
Clear the theme cache (no options)
dl drupal
Download Drupal to /tmp/drupal
--destination=/tmp/drupal
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Most important option!!!!
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--help
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--helpsite-installLists all of the options and arguments for the site-
install command. Also provides examples.
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Exercise: Adding modules
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Download views
dl viewsDrush
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Project views (7.x-3.0-rc3) downloaded to www/sites/all/modules/
views. Project views contains 2 modules:
views, views_ui.
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Exercise: Enabling modules
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pm-enable (en) Enable one or more extensions
(modules or themes).
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Enable views
en views views_uiDrush
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Any questions before we continue?
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Updating modules
dl webform-7.x-3.11Drush
upc webformDrush
updatedbDrush
en webformDrush
--no-core
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pm-updatecode (upc) Update Drupal core and contrib projects to latest recommended
releases
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updatedb (updb)Apply any database updates required
(as with running update.php).
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But there’s more!
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user-login (uli)Display a one time login link for
the given user account (defaults to uid 1).
Forget the password?
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$ drush ulihttp://localhost/?q=user/reset/
1/1322445074/5wbzEG1jyjNZpbVRIasOjYaXvsY3cuu9TK0ZaRsrk2Q
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sql-dumpExports the Drupal DB as SQL using
mysqldump or equivalent.
Moving the database?
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sql-dump > /backups/site-backup.sql
ssh user@host ‘drush sql-dump | gzip -’ |
gunzip - | mysql localdb
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variable-set (vset) Set a variable.
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drush vset maintenance_mode 1
Take the site offline
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watchdog-show (ws)Show watchdog messages.
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Aliases
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Aliases
• Used to run drush commands from anywhere.
• Syntax: drush @myalias cc all
• myalias could be local, or remote.
• Stored in ~/.drush
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$aliases[jacobsingh.local] = array( 'uri' => jacobsingh.local, 'root' => '/Users/jacob/work/engineering/gardens/trunk/docroot',);
$aliases['training.test'] = array( 'root' => '/var/www/html/trainingstg/docroot', 'remote-host' => 'staging-9.network.hosting.acquia.com', 'remote-user' => 'training',);
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drush @jacobsingh.local cc all
Clears the cache on my local site
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drush @training.test cc all
SSH’s into the training site, clears the cache.
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But there’s more!
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Deployment
• drush rsync
• drush sql-‐sync
• drush site-‐upgrade
• archive-‐dump | archive-‐restore
• test-‐run
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Maintenance
• search-‐reindex
• image-‐flush
• cache-‐clear
• watchdog-‐show
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Configuration management
• features-‐update
• features-‐diff
• features-‐revert
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User management
• user-‐add-‐role
• user-‐create
• user-‐password
• user-‐block
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Extendable
• 92 addons available on Drupal.org
• Writing extensions is pretty easy!
• Examples: ApacheSolr, Backup and Migrate, Coder, Simpletest, Views, Devel Generate.
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drush.ws
Tuesday, November 29, 2011
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