Capistrano::Magento2

A Capistrano extension for Magento 2 deployments. Takes care of specific Magento 2 requirements and adds tasks specific to the Magento 2 application. Supports zero-down deployments based on differences in deployed config.php and db status as reported by Magento's setup:db:status CLI command. When themes and scopes have been dumped to config.php via bin/magento app:config:dump scopes themes i18n then zero-side-effect pipeline will be utilized such that no database nor cache backend configuration are available during the build process.

Supported Magento Versions

The following describes minimum Magento versions supported by releases of this gem. Please use an earlier version to deploy older releases of Magento not supported by the most recent iterations of this gem.

Version 0.9.x supports deployment of Magento 2.3.0 and later.
Version 0.7.x supports deployment of Magento 2.1.1 and later.

Installation

Standalone Installation

$ gem install capistrano-magento2

Using Bundler

Add the following to your project's Gemfile:

source 'https://rubygems.org'
gem 'capistrano-magento2'

Execute the following:
```
 $ bundle install
```

Usage

Install Capistrano in your Magento project:

$ cd <project_root>
$ mkdir -p tools/cap
$ cd ./tools/cap
$ cap install

Note: By default, Capistrano creates "staging" and "production" stages. If you want to define custom staging areas, you can do so using the "STAGES" option (e.g. cap install STAGES=stage,prod). Built-in notifications (see below) confirm deploy action on both "production" and "prod" area names by default.

Update your project's Capfile to look like the following:

# Load DSL and set up stages
require 'capistrano/setup'

# Load Magento deployment tasks
require 'capistrano/magento2/deploy'
require 'capistrano/magento2/pending'

# Load Git plugin
require "capistrano/scm/git"
install_plugin Capistrano::SCM::Git

# Load custom tasks from `lib/capistrano/tasks` if you have any defined
Dir.glob('lib/capistrano/tasks/*.rake').each { |r| import r }

Configure Capistrano, per the Capistrano Configuration section below.
Configure your server(s), per the Server Configuration section below.
Deploy Magento 2 to staging or production by running the following command in the tools/cap directory:
```
$ cap staging deploy
```
or
```
$ cap production deploy
```

Default Configuration

Capistrano Configuration

Before you can use Capistrano to deploy, you must configure the config/deploy.rb and config/deploy/*.rb files. This section will cover the basic details for configuring these files. Refer to the Capistrano documentation and README for more details.

Configuring config/deploy.rb

Update the :application and :repo_url values in config/deploy.rb:

# Something unique such as the website or company name
set :application, 'example'
# The repository that hosts the Magento 2 application (Magento should live in the root of the repo)
set :repo_url, 'git@github.com:acme/example-com.git'

Configuring config/deploy/*.rb files

Capistrano allows you to use server-based or role-based syntax. You can read through the comments in the file to learn more about each option. If you have a single application server then the server-based syntax is the simplest configuration option.
- Single application server
  
  If your stage and production environments consist of a single application server, your configuration files should look something like this:
  
  config/deploy/production.rb
```
server 'www.example.com', user: 'www-data', roles: %w{app db web}

set :deploy_to, '/var/www/html'
set :branch, proc { `git rev-parse --abbrev-ref master`.chomp }
```
  config/deploy/staging.rb
```
server 'stage.example.com', user: 'www-data', roles: %w{app db web}

set :deploy_to, '/var/www/html'
set :branch, proc { `git rev-parse --abbrev-ref develop`.chomp }
```
- Multiple application servers
  
  Refer to the "role-based syntax" comments in the config/deploy/*.rb files or to the Capistrano documentation for details on how to configure multiple application servers.

Magento Deploy Settings

setting	default	what it does
`:magento_deploy_setup_role`	`:all`	Role from which primary host is chosen to run things like setup:upgrade on
`:magento_deploy_cache_shared`	`true`	If true, cache operations are restricted to the primary node in setup role
`:magento_deploy_languages`	`[]`	Array of languages passed to static content deploy routine
`:magento_deploy_themes`	`[]`	Array of themes passed to static content deploy
`:magento_deploy_jobs`	`nil`	Number of threads to use for static content deploy
`:magento_deploy_composer`	`true`	Enables composer install behavior in the built-in deploy routine
`:magento_deploy_production`	`true`	Enables production specific DI compilation and static content generation
`:magento_deploy_no_dev`	`true`	Enables use of --no-dev flag on composer install
`:magento_deploy_maintenance`	`true`	Enables use of maintenance mode while magento:setup:upgrade runs
`:magento_deploy_confirm`	`[]`	Used to require confirmation of deployment to a set of capistrano stages
`:magento_deploy_chmod_d`	`'2770'`	Default permissions applied to all directories in the release path
`:magento_deploy_chmod_f`	`'0660'`	Default permissions applied to all non-executable files in the release path
`:magento_deploy_chmod_x`	`['bin/magento']`	Default list of files in release path to set executable bit on
`:magento_deploy_chcon_dirs`	`['var']`	Default list of directories on which to recursively set an SELinux context type
`:magento_deploy_chcon_type`	`httpd_sys_rw_content_t`	Default SELinux context type to set on directories which should be writeable by application
`:magento_deploy_strategy`	`nil`	Can be `quick`, `standard` or `compact`

Example Usage

Add a line similar to the following in config/deploy.rb to set a custom value on one of the above settings:

set :magento_deploy_jobs, '$(nproc)'
set :magento_deploy_themes, ['Magento/backend', 'Magento/blank']
set :magento_deploy_languages, ['en_US', 'en_CA']

Capistrano Built-Ins

For the sake of simplicity in new project setups :linked_dirs and :linked_files are pre-configured per the following.

set :linked_files, [
  'app/etc/env.php',
  'var/.setup_cronjob_status',
  'var/.update_cronjob_status'
]

set :linked_dirs, [
  'pub/media',
  'pub/sitemaps',
  'var/backups', 
  'var/composer_home', 
  'var/importexport', 
  'var/import_history', 
  'var/log',
  'var/session', 
  'var/tmp'
]

If you would like to customize the linked files or directories for your project, you can copy either one or both of the above arrays into the config/deploy.rb or config/deploy/*.rb files and tweak them to fit your project's needs. Alternatively, you can add a single linked dir (or file) using append like this:

append :linked_dirs, 'path/to/link'

Composer Auth Credentials

Magento 2's composer repository requires auth credentials to install. These can be set on target servers in a global composer auth.json file, the project's composer.json or by setting them in your deployment configuration using the following two settings:

set :magento_auth_public_key, '<your_public_key_here>'
set :magento_auth_private_key, '<your_prviate_key_here>'

To obtain these credentials, reference the official documentation on DevDocs: Get your authentication keys

Caution: When using these settings, the values will be logged to the log/capistrano.log file by SSHKit. They will not, however, be included in the general command output by default.

Magento 2 Deploy Routine

A pre-built deploy routine is available out-of-the-box. This can be overriden on a per-project basis by including only the Magento 2 specific tasks and defining your own deploy.rake file under lib/capistrano/tasks in your projects Capistrano install location.

To see what process the built-in routine runs, take a look at the included rake file here: https://github.com/davidalger/capistrano-magento2/blob/master/lib/capistrano/tasks/deploy.rake

Server Configuration

Web Server Root Path

Before deploying with Capistrano, you must update each of your web servers to point to the current directory inside of the configured :deploy_to directory. For example: /var/www/html/current/pub Refer to the Capistrano Structure to learn more about Capistrano's folder structure.

PHP Opcache Reset

When doing atomic deployments with php-opcache installed on a server, the cache will reach a full state after which application performance will degrade as a result of the opcache not being able to do it's job. To work nicely with this, there is support included for automatically resetting the php-opcache after a release is published.

To use this, include require 'capistrano/magento2/cachetool' in your Capfile and make sure there is an /etc/cachetool.yml or /var/www/html/.cachetool.yml (assuming :deploy_to points at /var/www/html) file configured with contents like the following:

adapter: fastcgi
fastcgi: /var/run/php-fpm/www-data.sock
temp_dir: /dev/shm/cachetool
extensions: [ opcache ]

With this configuration in place, be sure cachetool (available from here) has already been installed on the server and is available in $PATH.

Congratulations! You should now begin to see the pre-deployemnt opcache status information when running a deployment followed immediately be the cachetool opcache:reset command used to keep things humming nicely along.

Magento Specific Tasks

All Magento 2 tasks used by the built-in deploy.rake file as well as some additional commands are implemented and exposed to the end-user for use directly via the cap tool. You can also see this list by running cap -T from your shell.

cap command	what it does
magento:cache:clean	Clean Magento cache by types
magento:cache:disable	Disable Magento cache
magento:cache:enable	Enable Magento cache
magento:cache:flush	Flush Magento cache storage
magento:cache:status	Check Magento cache enabled status
magento:cache:varnish:ban	Add ban to Varnish for url(s)
magento:composer:install	Run composer install
magento:deploy:mode:production	Enables production mode
magento:deploy:mode:show	Displays current application mode
magento:indexer:info	Shows allowed indexers
magento:indexer:reindex	Reindex data by all indexers
magento:indexer:set-mode[mode,index]	Sets mode of all indexers
magento:indexer:show-mode[index]	Shows mode of all indexers
magento:indexer:status	Shows status of all indexers
magento:maintenance:allow-ips[ip]	Sets maintenance mode exempt IPs
magento:maintenance:disable	Disable maintenance mode
magento:maintenance:enable	Enable maintenance mode
magento:maintenance:status	Displays maintenance mode status
magento:setup:di:compile	Runs dependency injection compilation routine
magento:setup:permissions	Sets proper permissions on application
magento:setup:static-content:deploy	Deploys static view files
magento:setup:upgrade	Run the Magento upgrade process

Pending Changes Support

When the line require 'capistrano/magento2/pending' is included in your Capfile per the recommended configuration above, this gem will report changes pending deployment in an abbreviated git log style format. Here is an example:

00:00 deploy:pending:log
      01 git fetch origin
    ✔ 01 dalger@localhost 1.241s
    ✔ 01 dalger@localhost 1.259s
      Changes pending deployment on web1 (tags/2.1.2 -> 2.1):
      f511288 Thu Feb 23 12:19:20 2017 -0600 David Alger (HEAD -> 2.1, tag: 2.1.4, origin/2.1) Magento 2.1.4
      7fb219c Thu Feb 23 12:17:11 2017 -0600 David Alger (tag: 2.1.3) Magento 2.1.3
      570c9b3 Thu Feb 23 12:12:43 2017 -0600 David Alger Updated capistrano configuration
      No changes to deploy on web2 (from and to are the same: 2.1 -> 2.1)

When there are no changes due for deployment to any host, a warning requiring confirmation will be emitted by default:

No changes to deploy on web1 (from and to are the same: 2.1 -> 2.1)
No changes to deploy on web2 (from and to are the same: 2.1 -> 2.1)
Are you sure you want to continue? [y/n]

This confirmational warning can be disabled by including the following in your project's configuration:

set :magento_deploy_pending_warn, false

Pending Changes Configuration

setting	what it does
`:magento_deploy_pending_role`	Role to check for pending changes on; defaults to `:all`
`:magento_deploy_pending_warn`	Set this to `false` to disable confirmational warning on zero-change deployments
`:magento_deploy_pending_format`	Can be used to set a custom change log format; refer to `defaults.rb` for example

Pending Changes Tasks

cap command	what it does
deploy:pending	Displays a summary of commits pending deployment

Note: For more details including screenshots of what this functionality does, reference this post.

Terminal Notifier on OS X

This gem includes an optional configuration file include which adds notification support via the terminal-notifier gem. To configure notifications, simply add the following line to your Capfile:

require 'capistrano/magento2/notifier'

Notice: The terminal-notifier gem is currently macOS specific and thus can not be used on generic *nix environments. Because this gem has been known to cause ruby stability issues on certain non-macOS environments, it is not specified as a hard requirement in this gem's gemspec. When using this functionality, it is expected the gem either be already present on your working environment or be added to your project's Gemfile:

gem 'terminal-notifier'

Development

After checking out the repo, run bundle install to install dependencies. Make the necessary changes, then run bundle exec rake install to install a modified version of the gem on your local system.

To release a new version, update the version number in capistrano/magento2/version.rb, merge all changes to master, and then run bundle exec rake release. This will create a git tag for the version (the tag will apply to the current HEAD), push git commits and tags, and push the .gem file to rubygems.org.

Note: Releasing a new version of the gem is only possible for those with maintainer access to the gem on rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/davidalger/capistrano-magento2.

License

This project is licensed under the Open Software License 3.0 (OSL-3.0). See included LICENSE file for full text of OSL-3.0.

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README.md

README.md

Capistrano::Magento2

Supported Magento Versions

Installation

Standalone Installation

Using Bundler

Usage

Default Configuration

Capistrano Configuration

Magento Deploy Settings

Example Usage

Capistrano Built-Ins

Composer Auth Credentials

Magento 2 Deploy Routine

Server Configuration

Web Server Root Path

PHP Opcache Reset

Magento Specific Tasks

Pending Changes Support

Pending Changes Configuration

Pending Changes Tasks

Terminal Notifier on OS X

Development

Contributing

License

Files

README.md

Latest commit

History

README.md

File metadata and controls

Capistrano::Magento2

Supported Magento Versions

Installation

Standalone Installation

Using Bundler

Usage

Default Configuration

Capistrano Configuration

Magento Deploy Settings

Example Usage

Capistrano Built-Ins

Composer Auth Credentials

Magento 2 Deploy Routine

Server Configuration

Web Server Root Path

PHP Opcache Reset

Magento Specific Tasks

Pending Changes Support

Pending Changes Configuration

Pending Changes Tasks

Terminal Notifier on OS X

Development

Contributing

License