Class: Vmpooler::API::Dashboard

Inherits:
Sinatra::Base
  • Object
show all
Defined in:
lib/vmpooler/api/dashboard.rb

Instance Method Summary collapse

Instance Method Details

#backend ⇒ Object 



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# File 'lib/vmpooler/api/dashboard.rb', line 15

def backend
  Vmpooler::API.settings.redis
end

#config ⇒ Object

handle to the App’s configuration information



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# File 'lib/vmpooler/api/dashboard.rb', line 11

def config
  @config ||= Vmpooler::API.settings.config
end

#graph_link(target = '') ⇒ Object

return a full URL to a viewable graph for a given metrics target (graphite syntax)



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# File 'lib/vmpooler/api/dashboard.rb', line 61

def graph_link(target = '')
  return '' unless graph_url

  graph_url + target
end

#graph_prefix ⇒ Object

configuration setting for URL prefix for graphs to view



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# File 'lib/vmpooler/api/dashboard.rb', line 37

def graph_prefix
  return @graph_prefix if @graph_prefix

  if config[:graphs]
    return 'vmpooler' unless config[:graphs]['prefix']

    @graph_prefix = config[:graphs]['prefix']
  elsif config[:graphite]
    return false unless config[:graphite]['prefix']

    @graph_prefix = config[:graphite]['prefix']
  else
    false
  end
end

#graph_server ⇒ Object

configuration setting for server hosting graph URLs to view



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# File 'lib/vmpooler/api/dashboard.rb', line 20

def graph_server
  return @graph_server if @graph_server

  if config[:graphs]
    return false unless config[:graphs]['server']

    @graph_server = config[:graphs]['server']
  elsif config[:graphite]
    return false unless config[:graphite]['server']

    @graph_server = config[:graphite]['server']
  else
    false
  end
end

#graph_url ⇒ Object

what is the base URL for viewable graphs?



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# File 'lib/vmpooler/api/dashboard.rb', line 54

def graph_url
  return false unless graph_server && graph_prefix

  @graph_url ||= "http://#{graph_server}/render?target=#{graph_prefix}"
end