Class: SrvMonitor::Application

Inherits:
Object
  • Object
show all
Defined in:
lib/srvmonitor/application.rb

Constant Summary collapse

SERVER_OPTIONS = 
[:host, :method, :user, :password]

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Application

Returns a new instance of Application.



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# File 'lib/srvmonitor/application.rb', line 14

def initialize
  @scouts = []
  @reports = {}
end

Instance Attribute Details

#name(name) ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/srvmonitor/application.rb', line 4

def name
  @name
end

#reports ⇒ Object (readonly)

Returns the value of attribute reports.



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# File 'lib/srvmonitor/application.rb', line 4

def reports
  @reports
end

#scout_config ⇒ Object (readonly)

Returns the value of attribute scout_config.



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# File 'lib/srvmonitor/application.rb', line 3

def scout_config
  @scout_config
end

#scout_klass ⇒ Object (readonly)

Returns the value of attribute scout_klass.



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# File 'lib/srvmonitor/application.rb', line 3

def scout_klass
  @scout_klass
end

#scouts ⇒ Object (readonly)

Returns the value of attribute scouts.



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# File 'lib/srvmonitor/application.rb', line 3

def scouts
  @scouts
end

#servers(*args) ⇒ Object (readonly)

Returns the value of attribute servers.



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# File 'lib/srvmonitor/application.rb', line 4

def servers
  @servers
end

#status ⇒ Object (readonly)

Returns the value of attribute status.



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# File 'lib/srvmonitor/application.rb', line 4

def status
  @status
end

Class Method Details

.create(&block) ⇒ Object 



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# File 'lib/srvmonitor/application.rb', line 8

def self.create(&block)
  self.new.tap do |application|
    application.instance_eval(&block)
  end
end

Instance Method Details

#down? ⇒ Boolean

Returns true if the last status is :down

Returns:

  • (Boolean) 


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# File 'lib/srvmonitor/application.rb', line 88

def down?
  @status == :down
end

#label ⇒ Object 



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# File 'lib/srvmonitor/application.rb', line 92

def label
  @name || @scout_klass.to_s
end

#report(status, params) ⇒ Object

Reads reporting as:

report :up, :response_code => 200

gets stored as:

{:response_code => 200} = up



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# File 'lib/srvmonitor/application.rb', line 48

def report(status, params)
  @reports[params] = status
end

#run(alert) ⇒ Object 



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# File 'lib/srvmonitor/application.rb', line 52

def run(alert)
  puts "\n### Runing #{label}"
  statuses = []
  
  tries = 0
  
  @scouts.each do |scout|
    scout.run(@reports)
    
    if scout.status == alert[:if]
      if tries < alert[:retries]
        tries += 1
        redo
      else
        tries = 0
        statuses << scout.status
      end
    else
      statuses << scout.status
    end
    
  end
  @status = SrvMonitor::Report.summarize(statuses)
end

#scout(klass, args = {}) ⇒ Object 



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# File 'lib/srvmonitor/application.rb', line 23

def scout(klass, args={})
  @scout_klass = klass
  @scout_config = args
end

#server(server, options = {}) ⇒ Object 



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# File 'lib/srvmonitor/application.rb', line 28

def server(server, options={})
  server_config = options.select{ |key, _| key if SERVER_OPTIONS.include?(key) }

  config = options.delete_if{ |key, _| server_config.include?(key) }
  config[:server] = server.clone(server_config)

  @scouts << @scout_klass.new(@scout_config.merge config )
end

#up? ⇒ Boolean

Returns true if the last status is :up

Returns:

  • (Boolean) 


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# File 'lib/srvmonitor/application.rb', line 78

def up?
  @status == :up
end

#warning? ⇒ Boolean

Returns true if the last status is :warning

Returns:

  • (Boolean) 


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# File 'lib/srvmonitor/application.rb', line 83

def warning?
  @status == :warning
end