class Bosh::Monitor::Plugins::Graphite

Public Instance Methods

process(event) click to toggle source
# File lib/bosh/monitor/plugins/graphite.rb, line 19
def process(event)
  if (event.is_a? Bosh::Monitor::Events::Heartbeat) && event.node_id

    metrics = event.metrics

    unless metrics.kind_of?(Enumerable)
      raise PluginError, "Invalid event metrics: Enumerable expected, #{metrics.class} given"
    end

    metrics.each do |metric|
      metric_name = get_metric_name(event, metric)
      metric_timestamp = get_metric_timestamp(metric.timestamp)
      metric_value = metric.value
      @connection.send_metric(metric_name, metric_value, metric_timestamp)
    end
  end
end
run() click to toggle source
# File lib/bosh/monitor/plugins/graphite.rb, line 8
def run
  unless EM.reactor_running?
    logger.error("Graphite delivery agent can only be started when event loop is running")
    return false
  end

  host = options["host"]
  port = options["port"]
  @connection = EM.connect(host, port, Bhm::GraphiteConnection, host, port)
end
validate_options() click to toggle source
# File lib/bosh/monitor/plugins/graphite.rb, line 4
def validate_options
  !!(options.kind_of?(Hash) && options["host"] && options["port"])
end

Private Instance Methods

get_metric_name(heartbeat, metric) click to toggle source
# File lib/bosh/monitor/plugins/graphite.rb, line 39
def get_metric_name heartbeat, metric
  [get_metric_prefix(heartbeat), metric.name.to_s.gsub('.', '_')].join '.'
end
get_metric_prefix(heartbeat) click to toggle source
# File lib/bosh/monitor/plugins/graphite.rb, line 43
def get_metric_prefix(heartbeat)
  deployment = heartbeat.deployment
  job = heartbeat.job
  id = heartbeat.node_id
  agent_id = heartbeat.agent_id
  if options["prefix"]
    [options["prefix"], deployment, job, id, agent_id].join '.'
  else
    [deployment, job, id, agent_id].join '.'
  end
end
get_metric_timestamp(ts) click to toggle source
# File lib/bosh/monitor/plugins/graphite.rb, line 55
def get_metric_timestamp(ts)
  if ts && is_epoch?(ts)
    return ts
  end

  Time.now.to_i
end
is_epoch?(ts) click to toggle source
# File lib/bosh/monitor/plugins/graphite.rb, line 63
def is_epoch?(ts)
  /^1[0-9]{9}$/.match(ts.to_s)
end