Class: Nagios::Check

Inherits:
Object
  • Object
show all
Defined in:
lib/nagios/check.rb

Direct Known Subclasses

CheckEM

Constant Summary collapse

TYPES = 
%w{ok crit other warn}

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params = {}, &callback) ⇒ Check

Returns a new instance of Check.



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# File 'lib/nagios/check.rb', line 5

def initialize(params = {}, &callback)
  @params = params.with_indifferent_access
  @callback = callback
  @started_at = Time.now
  @tag = "#{self.class.name}/#{params.inspect}"
  @check_name = self.class.name.underscore

  logger.info "=> #{@tag}"

  @ok = []
  @crit = []
  @warn = []
  @other = []
end

Class Method Details

.check(params = {}) ⇒ Object

synchrony check, for manually calls



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# File 'lib/nagios/check.rb', line 50

def self.check(params = {})
  result = nil

  inst = self.new(params) do |res|
    result = res
  end

  inst.run
end

.check_name ⇒ Object 



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# File 'lib/nagios/check.rb', line 128

def check_name
  @check_name ||= self.name.underscore
end

.default_error(mes) ⇒ Object 



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# File 'lib/nagios/check.rb', line 60

def self.default_error(mes)
  [Nagios::OTHER, mes]
end

.interval ⇒ Object 



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# File 'lib/nagios/check.rb', line 136

def interval
  5 * 60
end

.url ⇒ Object 



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# File 'lib/nagios/check.rb', line 132

def url
  "http://localhost:3000/nagios/check?method=#{check_name}"
end

Instance Method Details

#result ⇒ Object 



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# File 'lib/nagios/check.rb', line 20

def result
  prefix = self.respond_to?(:message_prefix) ? message_prefix : ''
  errors = prefix + [@crit, @warn, @other].flatten * '; '

  if @crit.present?
    [Nagios::CRIT, errors]
  elsif @warn.present?
    [Nagios::WARN, errors]
  elsif @other.present?
    [Nagios::OTHER, errors]
  else
    @ok = ['OK'] if prefix.empty? && @ok.empty?
    [Nagios::OK, prefix + @ok * '; ']
  end
end

#run(additional_params = nil) ⇒ Object Also known as: check 



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# File 'lib/nagios/check.rb', line 36

def run(additional_params = nil)
  if additional_params && additional_params.is_a?(Hash)
    @params.merge!(additional_params.with_indifferent_access)
  end

  safe do
    execute
    send_result
  end
end