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# This defines a deployment "recipe" that you can feed to capistrano
# (http://manuals.rubyonrails.com/read/book/17). It allows you to automate
# (among other things) the deployment of your application.
# =============================================================================
# REQUIRED VARIABLES
# =============================================================================
# You must always specify the application and repository for every recipe. The
# repository must be the URL of the repository you want this recipe to
# correspond to. The deploy_to path must be the path on each machine that will
# form the root of the application path.
set :use_sudo, false
set :application, "utibelt"
set :deploy_to, "/home/sfuentes/testing/cap_app" # defaults to "/u/apps/#{application}"
default_run_options[:pty] = true
set :repository, "git@github.com:fuentesjr/utibelt.git"
set :scm, "git"
set :scm_passphrase, "password" #This is your custom users password
set :user, "sfuentes"
set :shared_path, "/home/sfuentes/testing/cap_app/shared" # defaults to "/u/apps/#{application}"
# =============================================================================
# ROLES
# =============================================================================
# You can define any number of roles, each of which contains any number of
# machines. Roles might include such things as :web, or :app, or :db, defining
# what the purpose of each machine is. You can also specify options that can
# be used to single out a specific subset of boxes in a particular role, like
# :primary => true.
role :app, "compaq"
# role :web, "www01.example.com", "www02.example.com"
# role :app, "app01.example.com", "app02.example.com", "app03.example.com"
# role :db, "db01.example.com", :primary => true
# role :db, "db02.example.com", "db03.example.com"
# =============================================================================
# OPTIONAL VARIABLES
# =============================================================================
# set :deploy_to, "/path/to/app" # defaults to "/u/apps/#{application}"
# set :user, "flippy" # defaults to the currently logged in user
# set :scm, :darcs # defaults to :subversion
# set :svn, "/path/to/svn" # defaults to searching the PATH
# set :darcs, "/path/to/darcs" # defaults to searching the PATH
# set :cvs, "/path/to/cvs" # defaults to searching the PATH
# set :gateway, "gate.host.com" # default to no gateway
# =============================================================================
# SSH OPTIONS
# =============================================================================
# ssh_options[:keys] = %w(/path/to/my/key /path/to/another/key)
# ssh_options[:port] = 25
# =============================================================================
# TASKS
# =============================================================================
# Define tasks that run on all (or only some) of the machines. You can specify
# a role (or set of roles) that each task should be executed on. You can also
# narrow the set of servers to a subset of a role by specifying options, which
# must match the options given for the servers to select (like :primary => true)
desc <<DESC
An imaginary backup task. (Execute the 'show_tasks' task to display all
available tasks.)
task :backup, :roles => :db, :only => { :primary => true } do
# the on_rollback handler is only executed if this task is executed within
# a transaction (see below), AND it or a subsequent task fails.
on_rollback { delete "/tmp/dump.sql" }
run "mysqldump -u theuser -p thedatabase > /tmp/dump.sql" do |ch, stream, out|
ch.send_data "thepassword\n" if out =~ /^Enter password:/
end
end
DESC
# Tasks may take advantage of several different helper methods to interact
# with the remote server(s). These are:
#
# * run(command, options={}, &block): execute the given command on all servers
# associated with the current task, in parallel. The block, if given, should
# accept three parameters: the communication channel, a symbol identifying the
# type of stream (:err or :out), and the data. The block is invoked for all
# output from the command, allowing you to inspect output and act
# accordingly.
# * sudo(command, options={}, &block): same as run, but it executes the command
# via sudo.
# * delete(path, options={}): deletes the given file or directory from all
# associated servers. If :recursive => true is given in the options, the
# delete uses "rm -rf" instead of "rm -f".
# * put(buffer, path, options={}): creates or overwrites a file at "path" on
# all associated servers, populating it with the contents of "buffer". You
# can specify :mode as an integer value, which will be used to set the mode
# on the file.
# * render(template, options={}) or render(options={}): renders the given
# template and returns a string. Alternatively, if the :template key is given,
# it will be treated as the contents of the template to render. Any other keys
# are treated as local variables, which are made available to the (ERb)
# template.
desc <<MORESAMPLES
# desc "Demonstrates the various helper methods available to recipes."
task :helper_demo do
# "setup" is a standard task which sets up the directory structure on the
# remote servers. It is a good idea to run the "setup" task at least once
# at the beginning of your app's lifetime (it is non-destructive).
setup
buffer = render("maintenance.rhtml", :deadline => ENV['UNTIL'])
put buffer, "#{shared_path}/system/maintenance.html", :mode => 0644
sudo "killall -USR1 dispatch.fcgi"
run "#{release_path}/script/spin"
delete "#{shared_path}/system/maintenance.html"
end
# You can use "transaction" to indicate that if any of the tasks within it fail,
# all should be rolled back (for each task that specifies an on_rollback
# handler).
desc "A task demonstrating the use of transactions."
task :long_deploy do
transaction do
update_code
disable_web
symlink
migrate
end
restart
enable_web
end
MORESAMPLES
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