Class: RightScale::AgentDeployer

Inherits:
Object
  • Object
show all
Includes:
CommonParser
Defined in:
lib/right_agent/scripts/agent_deployer.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from CommonParser

#agent_type, #parse_common, #resolve_identity

Class Method Details

.run ⇒ Object

Create and run deployer

Return

true

Always return true



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# File 'lib/right_agent/scripts/agent_deployer.rb', line 73

def self.run
  d = AgentDeployer.new
  d.deploy(d.parse_args)
end

Instance Method Details

#deploy(options) ⇒ Object

Generate configuration from specified options and the agent’s base options and write them to a file

Parameters

options(Hash)

Command line options

Return

true

Always return true



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# File 'lib/right_agent/scripts/agent_deployer.rb', line 86

def deploy(options)
  # Initialize directory settings
  AgentConfig.root_dir = options[:root_dir]
  AgentConfig.cfg_dir = options[:cfg_dir]
  AgentConfig.pid_dir = options[:pid_dir]

  # Configure agent
  cfg = load_init_cfg
  check_agent(options, cfg)
  cfg = configure(options, cfg)

  # Persist configuration
  persist(options, cfg)

  # Setup agent monitoring
  monitor(options) if options[:monit]
  true
end

#parse_args ⇒ Object

Create options hash from command line arguments

Return

options(Hash)

Parsed options



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# File 'lib/right_agent/scripts/agent_deployer.rb', line 109

def parse_args
  options = {}
  options[:agent_name] = ARGV[0]
  options[:options] = { :secure => true }
  options[:quiet] = false
  fail('No agent specified on the command line', print_usage = true) if options[:agent_name].nil?

  opts = OptionParser.new do |opts|
    parse_common(opts, options)
    parse_other_args(opts, options)

    opts.on('-r', '--root-dir DIR') do |d|
      # Allow for more than one
      if options[:root_dir]
        options[:root_dir] = [options[:root_dir]] unless options[:root_dir].is_a?(Array)
        options[:root_dir] << d
      else
        options[:root_dir] = d
      end
    end

    opts.on('-c', '--cfg-dir DIR') do |d|
      options[:cfg_dir] = d
    end

    opts.on('-z', '--pid-dir DIR') do |d|
      options[:pid_dir] = d
    end

    opts.on('-w', '--monit') do
      options[:monit] = true
    end

    opts.on('-S', '--secure-identity') do
      options[:secure_identity] = true
    end

    opts.on('--http-proxy PROXY') do |proxy|
      options[:http_proxy] = proxy
    end

    opts.on('--http-no-proxy NOPROXY') do |no_proxy|
      options[:http_no_proxy] = no_proxy
    end

    opts.on('--time-to-live SEC') do |sec|
      options[:time_to_live] = sec.to_i
    end

    opts.on('--retry-timeout SEC') do |sec|
      options[:retry_timeout] = sec.to_i
    end

    opts.on('--retry-interval SEC') do |sec|
      options[:retry_interval] = sec.to_i
    end

    opts.on('--check-interval SEC') do |sec|
      options[:check_interval] = sec.to_i
    end

    opts.on('--ping-interval SEC') do |sec|
      options[:ping_interval] = sec.to_i
    end

    opts.on('--reconnect-interval SEC') do |sec|
      options[:reconnect_interval] = sec.to_i
    end

    opts.on('--grace-timeout SEC') do |sec|
      options[:grace_timeout] = sec.to_i
    end

    opts.on('--[no-]dup-check') do |b|
      options[:dup_check] = b
    end

    opts.on('--prefetch COUNT') do |count|
      options[:prefetch] = count.to_i
    end

    opts.on('-b', '--heartbeat SEC') do |sec|
      options[:heartbeat] = sec.to_i
    end

    opts.on('-o', '--options OPT') do |e|
      fail("Invalid option definition #{e}' (use '=' to separate name and value)") unless e.include?('=')
      key, val = e.split(/=/)
      options[:options][key.gsub('-', '_').to_sym] = val
    end

    opts.on('-Q', '--quiet') do
      options[:quiet] = true
    end

    opts.on_tail('--help') do
      puts Usage.scan(__FILE__)
      exit
    end
  end
  begin
    opts.parse!(ARGV)
  rescue Exception => e
    exit 0 if e.is_a?(SystemExit)
    fail(e.message, print_usage = true)
  end
  resolve_identity(options)
  options
end