export DSL to json

Capfile

@@ -0,0 +1,8 @@
+load 'deploy' if respond_to?(:namespace) # cap2 differentiator
+
+# Uncomment if you are using Rails' asset pipeline
+# load 'deploy/assets'
+
+Dir['vendor/gems/*/recipes/*.rb','vendor/plugins/*/recipes/*.rb'].each { |plugin| load(plugin) }
+
+load 'config/deploy' # remove this line to skip loading any of the default tasks

config/deploy.rb

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+require 'bundler/capistrano'
+set :bundle_without, [:deployment]
+set :bundle_flags, '--binstubs --quiet --deployment'
+
+default_run_options[:pty] = true
+
+depend :remote, :command, 'ruby'
+
+ssh_options[:forward_agent] = true
+set :application, "agilysys-chef-repo"
+
+set :scm, :git
+
+# Package the repository and upload to server
+set :repository,  ".git"
+set :deploy_via, :copy
+set :copy_cache, true
+set :checkout, 'export'
+set :copy_exclude, ['.git/*', 'vendor/*']
+
+# Or deploy via git server
+# set :repository,  "git@github.com:doitian/chef-solo-repo.git"
+# set :checkout, 'export'
+# set :deploy_via, :remote_cache
+
+set :branch, 'master'
+set :keep_releases, 2
+set :user, "ubuntu"
+set :use_sudo, true
+
+class ServerDSL
+  def initialize(f)
+    @options = {}
+    eval(File.read(f))
+  end
+  def node
+    @node ||= FakeNode.new
+  end
+  def method_missing(name, *args)
+    args.size == 0 ? @options[name] : @options[name] = args.first
+  end
+
+  class FakeNode
+    def [](*args); end
+    def []=(*args); end
+    def set(*args); self; end
+    alias_method :normal, :set
+    alias_method :default, :set
+    alias_method :override, :set
+  end
+end
+
+on :load do
+  ARGV.each do |arg|
+    if arg =~ /^servers\/.+\.rb$/
+      s = ServerDSL.new(arg)
+      server s.host, :app, :user => s.user, :port => s.port, :ssh_options => s.ssh_options
+    end
+  end
+end
+
+Dir[File.expand_path('../../servers/*.rb', __FILE__)].each do |f|
+  relative_filename = 'servers/' + File.basename(f)
+  desc "Deploy to #{File.basename(relative_filename).sub(/\.rb$/, '')}"
+  task relative_filename do
+    # place holder to eat missing task error, the file has been loaded in
+    # on :load block
+  end
+end
+
+task :inspect_servers do
+  p find_servers
+end
+
+namespace :deploy do
+  task :default do
+    update
+    top.chef.default
+  end
+  task :symlink_cache_dir do
+    run ["mkdir -p #{shared_path}/cache",
+         "ln -sfn #{shared_path}/cache #{current_release}/.chef/solo/cache"].join(' && ')
+  end
+  task :setup_directory_owner do
+    run "#{try_sudo} chown -R $USER: #{deploy_to}"
+  end
+end
+
+namespace :chef do
+  task :inspect_json do
+    find_servers_for_task(current_task).each do |s|
+      system("bundle exec thor 'server:#{s.host}'")
+    end
+  end
+
+  task :generate_json do
+    run "cd #{current_release} && bundle exec rake 'server:$CAPISTRANO:HOST$'"
+  end
+
+  task :default do
+    generate_json
+    cmd = ["cd #{current_release}",
+           "bin/chef-solo -c solo.rb -j json/servers/$CAPISTRANO:HOST$.json -l info"].join(' && ')
+    run "#{try_sudo} bash -l -c '#{cmd}'"
+  end
+end
+
+after 'deploy:setup', 'deploy:setup_directory_owner'
+after 'deploy:update', 'deploy:symlink_cache_dir'
+after 'deploy', 'deploy:cleanup'

servers/vagrant-vm-sample.rb

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+user 'vagrant'
+host '127.0.0.1'
+port 2222
+ssh_options(:keys => '~/.vagrant.d/insecure_private_key')
+
+node.set[:name] = 'localhost-sample'
+
+run_list ['recipe[hello-world]']

tasks/server.thor

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+require 'chef'
+
+class Chef::Node
+  def host(host = nil)
+    @host = host || @host
+  end
+  def user(*args); end
+  def port(*args); end
+  def ssh_options(*args); end
+end
+
+class Server < Thor
+  Dir['servers/*.rb'].each do |f|
+    node = Chef::Node.new
+    node.instance_eval File.read(f)
+    host = node.host
+    json = node.normal_attrs.to_hash
+    json['run_list'] = node.run_list
+
+    desc host, "dump json for #{host} into json/servers/#{host}.json"
+
+    define_method host do
+      File.open("json/servers/#{host}.json", 'w') do |out|
+        out.write(JSON.dump(json))
+      end
+    end
+  end
+end