Class: Sensu::Plugins::Prometheus::Checks::Runner

Inherits:
Object
  • Object
show all
Includes:
Sensu::Plugins::Prometheus::Checks, Utils::Log
Defined in:
lib/sensu/plugins/prometheus/checks/runner.rb

Overview

Execute the configured checks, evaluate the results and set a final output and status.

Constant Summary

Constants included from Sensu::Plugins::Prometheus::Checks

VERSION

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Sensu::Plugins::Prometheus::Checks

#above, #below, #equals, #evaluate

Methods included from Utils::Log

#log, log

Constructor Details

#initialize(config) ⇒ Runner

Does basic configuration validation and start the object the methods on this class will consume.



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# File 'lib/sensu/plugins/prometheus/checks/runner.rb', line 22

def initialize(config)
  raise 'Configuration is empty, abort!' \
    if config.nil? || config.empty?
  raise "Configuration does not specify 'config' section!" \
    unless config.key?('config')

  config['checks'] = [] unless config.key?('checks')
  config['custom'] = [] unless config.key?('custom')

  @config = config
  @events = []
  @status = 0
  @output = ''
  @source_nodename_map = nil

  @prometheus = Sensu::Plugins::Prometheus::Client.new
  @metrics =  Sensu::Plugins::Prometheus::Metrics.new(@prometheus)
  @tmpl = Sensu::Plugins::Prometheus::Checks::Output.new
  @dispatcher = Sensu::Plugins::Events::Dispatcher.new
end

Instance Attribute Details

#events ⇒ Object (readonly)

Returns the value of attribute events.



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# File 'lib/sensu/plugins/prometheus/checks/runner.rb', line 18

def events
  @events
end

#output ⇒ Object (readonly)

Returns the value of attribute output.



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# File 'lib/sensu/plugins/prometheus/checks/runner.rb', line 18

def output
  @output
end

#status ⇒ Object (readonly)

Returns the value of attribute status.



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# File 'lib/sensu/plugins/prometheus/checks/runner.rb', line 18

def status
  @status
end

Instance Method Details

#run ⇒ Object

Drives the evaluation of regular and custom checks, then calls for the final analysis on collected events.



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# File 'lib/sensu/plugins/prometheus/checks/runner.rb', line 45

def run
  evaluate_checks if @config.key?('checks')
  evaluate_custom if @config.key?('custom')
  evaluate_and_dispatch_events
end