Class: Kennel::Models::Monitor

Inherits:
Base
  • Object
show all
Includes:
OptionalValidations
Defined in:
lib/kennel/models/monitor.rb

Constant Summary collapse

API_LIST_INCOMPLETE = 
false
RENOTIFY_INTERVALS =

minutes

[0, 10, 20, 30, 40, 50, 60, 90, 120, 180, 240, 300, 360, 720, 1440].freeze
QUERY_INTERVALS = 
["1m", "5m", "10m", "15m", "30m", "1h", "2h", "4h", "24h"].freeze

Constants inherited from Base

Base::LOCK, Base::READONLY_ATTRIBUTES

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from OptionalValidations

included

Methods inherited from Base

defaults, inherited, #name, settings, #tracking_id, validate_setting_exists

Methods included from SubclassTracking

#recursive_subclasses, #subclasses

Constructor Details

#initialize(project, *args) ⇒ Monitor

Returns a new instance of Monitor.



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# File 'lib/kennel/models/monitor.rb', line 33

def initialize(project, *args)
  @project = project
  super(*args)
end

Instance Attribute Details

#project ⇒ Object (readonly)

Returns the value of attribute project.



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# File 'lib/kennel/models/monitor.rb', line 31

def project
  @project
end

Class Method Details

.api_resource ⇒ Object 



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# File 'lib/kennel/models/monitor.rb', line 98

def self.api_resource
  "monitor"
end

Instance Method Details

#as_json ⇒ Object 



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# File 'lib/kennel/models/monitor.rb', line 45

def as_json
  return @as_json if @as_json
  data = {
    name: "#{name}#{LOCK}",
    type: type,
    query: query,
    message: <<~TEXT.strip,
      #{message}

      @slack-#{project.team.slack}
    TEXT
    tags: @project.tags + tags,
    multi: multi,
    options: {
      timeout_h: 0,
      notify_no_data: notify_no_data,
      no_data_timeframe: no_data_timeframe,
      notify_audit: true,
      require_full_window: true,
      new_host_delay: 300,
      include_tags: true,
      escalation_message: Utils.presence(escalation_message.strip),
      evaluation_delay: nil,
      locked: false, # setting this to true prevents any edit and breaks updates when using replace workflow
      renotify_interval: renotify_interval || 0,
      thresholds: {
        critical: critical
      }
    }
  }

  options = data[:options]
  thresholds = options[:thresholds]

  data[:id] = id if id

  # warning, ok, critical_recovery, and warning_recovery are optional
  [:warning, :ok, :critical_recovery, :warning_recovery].each do |key|
    if value = send(key)
      thresholds[key] = value
    end
  end

  # metric and query values are stored as float by datadog
  if data.fetch(:type) == "query alert"
    thresholds.each { |k, v| thresholds[k] = Float(v) }
  end

  validate_json(data) if validate

  @as_json = data
end

#diff(actual) ⇒ Object 



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# File 'lib/kennel/models/monitor.rb', line 106

def diff(actual)
  options = actual.fetch(:options)
  options.delete(:silenced) # we do not manage silenced, so ignore it when diffing
  options[:escalation_message] ||= nil # unset field is not returned and would break the diff

  # fields are not returned when set to true
  if ["service check", "event alert"].include?(actual[:type])
    options[:include_tags] = true unless options.key?(:include_tags)
    options[:require_full_window] = true unless options.key?(:require_full_window)
  end

  # setting 0 results in thresholds not getting returned from the api
  if actual[:type] == "event alert"
    options[:thresholds] ||= { critical: 0 }
  end

  # fields are not returned when set to true
  if actual[:type] == "service check"
    options[:thresholds][:critical] ||= 1
    options[:thresholds][:warning] ||= 1
    options[:thresholds][:ok] ||= 1
  end

  # nil or "" are not returned from the api
  options[:evaluation_delay] ||= nil

  super
end

#kennel_id ⇒ Object 



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# File 'lib/kennel/models/monitor.rb', line 38

def kennel_id
  if self.class == Kennel::Models::Monitor
    raise "Need to set :kennel_id when defining monitors from Kennel::Models::Monitor"
  end
  super
end

#url(id) ⇒ Object 



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# File 'lib/kennel/models/monitor.rb', line 102

def url(id)
  Utils.path_to_url "/monitors##{id}/edit"
end