Contribution guide draft
Initial version of Community portal contribution guide. Change-Id: I7acb3cde22f905ec4ae8379fa8990266a447cd3e
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Marton Kiss
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OpenStack Groups Portal Contribution Guide
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=============================================
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The Groups Portal based on Drupal 7.x [1] and Drupal Commons [2] distribution, and
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the entire development process is integrated into the OpenStack CI system
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including the code-review and automatic deployment of development and production
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branch. If you want to contribute back a new portal feature or just simply
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resolve a bug it is very important to setup a local development environment
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with proper application stack to match the environment of staging and production
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servers and avoid a lot's of unwanted issues. As we are using the OpenStack CI
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the contribution process exactly match the official way [3], so this paper contains
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additional project specific details.
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Prerequisites
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-------------
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The Groups Portal production and development currently based on the following
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application stack:
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- Ubuntu 12.04 LTS
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- Apache 2.2.22
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- MySQL database server 5.5.38
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- PHP 5.3.10 (extensions: mysql, gd)
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- Drush 6.0
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- Git
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- Git-review
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- Compass
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Development workflow
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--------------------
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## Install site from scratch ##
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As the first step of the development workflow we need to prepare an empty
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database, register a drush site alias, clone the site source code from
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git repository and finally install the site into an apache vhost docroot
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directory.
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### Create a mysql database ###
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Create a new mysql database and grant permissions:
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$ mysqladmin -u username -p create groupsdev
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$ mysql -u username -p
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$ GRANT ALL ON groupsdev.* TO groupsdev@'localhost' IDENTIFIED BY 'urs3cr3tpassw0rd';
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Where groupsdev will be the user name and urs3cr3tpassw0rd will be the password.
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### Define drush site alias ###
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Drush alias helps to shorten the access of local or remote Drupal installation.
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For example you can set an alias as a default site root with `drush use @sitealias`
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command.
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The alias files must be placed in the global /etc/drush/aliases.drushrc.php or
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in the local ~/.drush/aliases.drushrc.php files.
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Example aliases.drushrc.php configuration:
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<?php
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$aliases['groupsdev'] = array(
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'uri' => 'groups-dev.local',
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'root' => '/var/www/groups-dev.local',
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'db-url' => 'mysql://groupsdev:12345678@localhost/groupsdev',
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'databases' => array(
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'default' => array(
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'driver' => 'mysql',
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'username' => 'groupsdev',
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'password' => 'urs3cr3tpassw0rd',
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'port' => '',
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'host' => 'localhost',
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'database' => 'groupsdev',
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),
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),
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);
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Further alias configuration examples available here [4].
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Query available site aliases:
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$ drush sa
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@groupsdev
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default
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### Build a working copy ###
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The Groups Portal based on a Drupal Installation Profile, it means we are
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keeping only the portal related modules in the git repository, and define all
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of the original Drupal contributed modules and their patches in make files. The
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drupal-org-core.make contains the defintion of Drupal core distribution and the
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required core patches, the drupal-org.make file includes the defintion of
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contrib modules, patches, themes and libraries.
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Fetch the git repository and clone a working copy, then build the distribution
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into site vhost directory:
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$ git clone git://git.openstack.org/openstack-infra/groups groups
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$ cd groups
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$ bash scripts/dev-build.sh /var/www/groups-dev.local
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The /var/www/groups-dev.local is the site root registered in your apache
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vhost file, this can be different in your local environment.
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### Install Groups portal ###
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$ drush use @groupsdev
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$ drush si groups -y
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$ drush features-revert-all -y
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$ drush cc all
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Now the portal available at your local site url, for example at
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`http://groups-dev.local`.
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### Rebuild theme css files ###
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$ cd /var/www/groups-dev.local/profiles/groups/themes/openstack
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$ bundle exec compass compile
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## Import contents ##
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The default installation will come with a really minimal content set, so
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we need to import some initial content for testing.
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### Import user group data ###
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The user group data located at https://git.openstack.org/cgit/openstack-infra/groups-static-pages/tree/groups.json file, so you can easily modify or contribute back modification
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through openstack-infra/groups-static project.
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$ drush import-user-groups
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### Import static pages content ###
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The static pages are holding markdown formatted content, during development
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clone to a local directory from openstack-infra/groups-static-pages repository
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and don't forget to set the groups_feeds_markdown_directory variable to
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specify the location of the files
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$ git://git.openstack.org/openstack-infra/groups-static-pages /var/www/groups-static-pages
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$ drush vset groups_feeds_markdown_directory /var/www/groups-static-pages
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$ drush import-static-pages
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### Import meetup events ###
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The meetup events can be imported directly from meetup.com calendars, and
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related user group meetup.com location extracted from meetup attribute of the
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uploaded user group content.
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$ drush import-meetup-events
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## Submit a patch ##
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Start with low-hanging fruits and first try to fix a small bug or
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do some housekeeping. The entire code-space maintained by the Groups
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Portal team lives under the profiles/groups directory. If you like
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to change anything, add a new drupal module, create a new feature,
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you must place the files there. It is very important to know that
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Drupal 7 store a lot of configuration setting, variable in database
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and to make the code portable, we need to move those settings out
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to code, using the Features module [5].
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Follow the development workflow of OpenStack [6] and post
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your patches to gerrit code review system.
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$ git checkout -b TOPIC-BRANCH
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$ git commit -a
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$ git review
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Example commit message:
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Security upgrade of core and date module
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Update Drupal Core to 7.30 and Date module to 2.8.
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Related release notes available here:
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https://www.drupal.org/drupal-7.30-release-notes
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https://www.drupal.org/node/231188
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Change-Id: Ia2d04322fff4bc1f49e8cccada2ac2b267a3f9ca
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After execution of successful jenkins check jobs, you need to get a
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manual approval from project owners. If everything works well your
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approved code will be automatically deployed into
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groups-dev.openstack.org staging site.
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[1] Drupal Core
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https://www.drupal.org/project/drupal
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[2] Drupal Commons
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https://www.drupal.org/project/commons
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[3] OpenStack How To Contribute
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https://wiki.openstack.org/wiki/How_To_Contribute
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[4] Drush alias examples
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http://drush.ws/examples/example.aliases.drushrc.php
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[5] Drupal Features module
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https://www.drupal.org/project/features
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[6] Gerrit workflow
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https://wiki.openstack.org/wiki/Gerrit_Workflow
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