Module: Common

Defined in:
lib/sensu-plugins-dcos/common.rb

Overview

LICENCE:

PTC http://www.ptc.com/
Copyright 2017 PTC Inc.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

Instance Method Summary collapse

Instance Method Details

#get_data(url) ⇒ Object 



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# File 'lib/sensu-plugins-dcos/common.rb', line 24

def get_data(url)
  url = URI.parse(url)
  response = Net::HTTP.get_response(url)
  if response.code == '204'
    return {}
  end
  JSON.parse(response.body)
rescue Errno::ECONNREFUSED
  warning 'Connection refused'
rescue JSON::ParserError
  critical 'Invalid JSON'
end

#get_value(url, metric, filter, name_field = 'name', value_field = 'value', root_field = 'datapoints') ⇒ Object

rubocop:disable Metrics/ParameterLists



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# File 'lib/sensu-plugins-dcos/common.rb', line 37

def get_value(url, metric, filter, name_field = 'name', value_field = 'value', root_field = 'datapoints') # rubocop:disable Metrics/ParameterLists
  resource = get_data(url)
  return {} if resource.nil? || resource.empty?
  if filter
    filter = filter.split(':')
    value = resource[root_field].select { |data| data['tags'] == { filter[0] => filter[1] } }
    value.select { |data| data[name_field] == metric }.first[value_field]
  else
    resource[root_field].select { |data| data[name_field] == metric }.first[value_field]
  end
end

#initialize ⇒ Object 



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# File 'lib/sensu-plugins-dcos/common.rb', line 20

def initialize
  super()
end