hubot deploy script

deploy.coffee

# Description:
#   Capistrano deployment from hubot
#
# Dependencies:
#   Prepare capistrano config files in your repo.
#
# Configuration:
#   None
#
# Commands:
#   hubot deploy reponame [env=staging] [branch=master]

fs    = require 'fs'
path  = require 'path'
shell = require 'shelljs'

module.exports = (robot) ->

  robot.respond /deploy( help)?$/i, (msg) ->
    msg.send 'usage: hubot deploy reponame [env=staging] [branch=master]'

  robot.respond /deploy([\s]+[\w-\/]+?)([\s]+[\w-\/]+?)?([\s]+[\w-\/]+?)?$/i, (msg) ->

    repo   = (msg.match[1] || '').trim()
    stage  = (msg.match[2] || '').trim()
    branch = (msg.match[3] || '').trim()

    # set default value if value is not specified
    stage  = 'staging' if stage  is ''
    branch = 'master'  if branch is ''

    # update sub projects
    shell.exec 'git submodule init && git submodule update'
    shell.exec 'git submodule foreach git pull origin master'

    repo_path = path.resolve(__dirname, "..", "repos/#{repo}")
    if fs.existsSync("#{repo_path}/capistrano/Capfile")
      shell.cd   "#{repo_path}/capistrano"
      shell.exec "CAP_DEPLOY_BRANCH=#{branch} cap #{stage} deploy"
    else
      msg.send "Prease set up capistrano configurations in #{repo_path}/capistrano"

deploy.rb

require 'uri'
require 'net/https'
require 'json'

# use command_map for custom commands
#SSHKit.config.command_map[:composer] = '/usr/bin/env php composer.phar'

# config valid only for current version of Capistrano
lock '3.3.5'

set :application, 'Your Application'
set :repo_url, '[email protected]:you/your-repo.git'

# Default branch is :master
# ask :branch, proc { `git rev-parse --abbrev-ref HEAD`.chomp }.call
set :branch, ENV.fetch('CAP_DEPLOY_BRANCH', 'master')

# Default deploy_to directory is /var/www/my_app_name
set :deploy_to, '/deploy/path/here'

# Default value for :scm is :git
set :scm, :git

# Default value for :format is :pretty
set :format, :pretty

# Default value for :log_level is :debug
# set :log_level, :debug

# Default value for :pty is false
# set :pty, true

# Default value for :linked_files is []
# set :linked_files, fetch(:linked_files, []).push()

# Default value for linked_dirs is []
# set :linked_dirs, fetch(:linked_dirs, []).push()

# Default value for default_env is {}
# set :default_env, { path: "/opt/ruby/bin:$PATH" }

# Default value for keep_releases is 5
set :keep_releases, 5

before 'deploy:starting',  'notify:update:start'
after  'deploy:finishing', 'notify:update:finish'
before 'deploy:reverting', 'notify:rollback:start'
after  'deploy:finishing_rollback', 'notify:rollback:finish'

notify.rake

namespace :notify do
  namespace :update do
    task :start do
      send_message "#{fetch(:application)}:#{fetch(:stage)} (#{fetch(:branch)}) $ deploy started :ship:"
    end

    task :finish do
      send_message "#{fetch(:application)}:#{fetch(:stage)} (#{fetch(:branch)}) $ deploy finished. release: #{fetch(:current_revision)}"
    end
  end

  namespace :rollback do
    task :start do
      send_message "#{fetch(:application)}:#{fetch(:stage)} (#{fetch(:branch)}) $ rollback from #{fetch(:current_revision)} started."
    end

    task :finish do
      send_message "#{fetch(:application)}:#{fetch(:stage)} (#{fetch(:branch)}) $ rollback finished. revision: #{fetch(:current_revision)}"
    end
  end
end

def send_message(message)
  uri = URI.parse(ENV.fetch("SLACK_WEBHOOK_URL"))
  payload = {
    text: message,
    channel: '#release',
    username: 'cap',
    icon_emoji: ':checkered_flag'
  }

  request = Net::HTTP::Post.new(uri.request_uri)
  request.set_form_data(payload: payload.to_json)

  http = Net::HTTP.new(uri.host, uri.port)
  http.use_ssl = true
  http.verify_mode = OpenSSL::SSL::VERIFY_NONE
  http.request(request)
end