Class: Sensu::Dashboard::Server

Inherits:
Sinatra::Base
  • Object
show all
Defined in:
lib/sensu-dashboard/server.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.invalid_settings(reason, details = {}) ⇒ Object 



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# File 'lib/sensu-dashboard/server.rb', line 43

def invalid_settings(reason, details={})
  $logger.fatal('invalid settings', {
    :reason => reason
  }.merge(details))
  $logger.fatal('SENSU DASHBOARD NOT RUNNING!')
  exit 2
end

.run(options = {}) ⇒ Object 



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# File 'lib/sensu-dashboard/server.rb', line 35

def run(options={})
  EM::run do
    setup(options)
    start
    trap_signals
  end
end

.setup(options = {}) ⇒ Object 



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# File 'lib/sensu-dashboard/server.rb', line 51

def setup(options={})
  base = Sensu::Base.new(options)
  $logger = base.logger
  settings = base.settings
  if settings[:dashboard]
    unless settings[:dashboard].is_a?(Hash)
      invalid_settings('dashboard must be a hash')
    end
  end
  $dashboard_settings = settings[:dashboard] || Hash.new
  $dashboard_settings[:port] ||= 8080
  $dashboard_settings[:poll_frequency] ||= 10
  $api_settings = $dashboard_settings[:api] || settings[:api] || Hash.new
  $api_settings[:host] ||= 'localhost'
  $api_settings[:port] ||= 4567
  unless $dashboard_settings[:port].is_a?(Integer)
    invalid_settings('dashboard port must be an integer', {
      :settings => $dashboard_settings
    })
  end
  unless $dashboard_settings[:poll_frequency].is_a?(Integer)
    invalid_settings('dashboard poll frequency must be an integer', {
      :settings => $dashboard_settings
    })
  end
  base.setup_process
  $api_url = 'http://' + $api_settings[:host] + ':' + $api_settings[:port].to_s
  $api_options = {:head => {'Accept' => 'application/json'}}
  if $api_settings[:user] && $api_settings[:password]
    $api_options.merge!(:head => {:authorization => [$api_settings[:user], $api_settings[:password]]})
  end
end

.start ⇒ Object 



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# File 'lib/sensu-dashboard/server.rb', line 84

def start
  Thin::Logging.silent = true
  bind = $dashboard_settings[:bind] || '0.0.0.0'
  Thin::Server.start(bind, $dashboard_settings[:port], self)
end

.stop ⇒ Object 



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# File 'lib/sensu-dashboard/server.rb', line 90

def stop
  $logger.warn('stopping')
  EM::stop_event_loop
end

.trap_signals ⇒ Object 



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# File 'lib/sensu-dashboard/server.rb', line 95

def trap_signals
  $signals = Array.new
  Sensu::STOP_SIGNALS.each do |signal|
    Signal.trap(signal) do
      $signals << signal
    end
  end
  EM::PeriodicTimer.new(1) do
    signal = $signals.shift
    if Sensu::STOP_SIGNALS.include?(signal)
      $logger.warn('received signal', {
        :signal => signal
      })
      stop
    end
  end
end

Instance Method Details

#request_log_line ⇒ Object 



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# File 'lib/sensu-dashboard/server.rb', line 114

def request_log_line
  $logger.info([env['REQUEST_METHOD'], env['REQUEST_PATH']].join(' '), {
    :remote_address => env['REMOTE_ADDR'],
    :user_agent => env['HTTP_USER_AGENT'],
    :request_method => env['REQUEST_METHOD'],
    :request_uri => env['REQUEST_URI'],
    :request_body =>  env['rack.input'].read
  })
  env['rack.input'].rewind
end