Module: Flapjack::Gateways::JSONAPI::CheckMethods

Defined in:
lib/flapjack/gateways/jsonapi/check_methods.rb

Defined Under Namespace

Modules: Helpers

Class Method Summary collapse

Class Method Details

.registered(app) ⇒ Object 



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# File 'lib/flapjack/gateways/jsonapi/check_methods.rb', line 30

def self.registered(app)
  app.helpers Flapjack::Gateways::JSONAPI::Helpers
  app.helpers Flapjack::Gateways::JSONAPI::CheckMethods::Helpers

  app.get %r{^/checks(?:/)?(.+)?$} do
    requested_checks = if params[:captures] && params[:captures][0]
      params[:captures][0].split(',').uniq
    else
      nil
    end

    checks = if requested_checks
      requested_checks.collect do|req_check|
        Flapjack::Data::EntityCheck.for_event_id(req_check, :logger => logger, :redis => redis)
      end
    else
      Flapjack::Data::EntityCheck.all(:logger => logger, :redis => redis)
    end
    checks.compact!

    if requested_checks && checks.empty?
      raise Flapjack::Gateways::JSONAPI::EntityChecksNotFound.new(requested_checks)
    end

    check_ids = checks.collect {|c| "#{c.entity.name}:#{c.check}" }

    enabled_ids = Flapjack::Data::EntityCheck.enabled_for(check_ids, :redis => redis)

    linked_entity_ids = checks.empty? ? [] : checks.inject({}) do |memo, check|
      entity = check.entity
      memo["#{entity.name}:#{check.check}"] = [entity.id]
      memo
    end

    checks_json = checks.collect {|check|
      check_name = "#{check.entity.name}:#{check.check}"
      check.to_jsonapi(:enabled    => enabled_ids.include?(check_name),
                       :entity_ids => linked_entity_ids[check_name])
    }.join(",")

    '{"checks":[' + checks_json + ']}'
  end

  app.post '/checks' do
    checks = wrapped_params('checks')

    check_names = checks.collect{|check_data|
      check = Flapjack::Data::EntityCheck.add(check_data, :redis => redis)
      "#{check.entity.name}:#{check.check}"
    }

    response.headers['Location'] = "#{request.base_url}/checks/#{check_names.join(',')}"
    status 201
    Flapjack.dump_json(check_names)
  end

  app.patch %r{^/checks/(.+)$} do
    checks_for_check_names(params[:captures][0].split(',')).each do |check|
      apply_json_patch('checks') do |op, property, linked, value|
        case op
        when 'replace'
          case property
          when 'enabled'
            # explicitly checking for true/false being passed in
            case value
            when TrueClass
              check.enable!
            when FalseClass
              check.disable!
            end
          end
        when 'add'
          case linked
          when 'tags'
            value.respond_to?(:each) ? check.add_tags(*value) :
                                       check.add_tags(value)
          end
        when 'remove'
          case linked
          when 'tags'
            value.respond_to?(:each) ? check.delete_tags(*value) :
                                       check.delete_tags(value)
          end
        end
      end
    end

    status 204
  end

  # create a scheduled maintenance period for a check on an entity
  app.post %r{^/scheduled_maintenances/checks/(.+)$} do
    scheduled_maintenances = wrapped_params('scheduled_maintenances')
    checks_for_check_names(params[:captures][0].split(',')).each do |check|
      scheduled_maintenances.each do |wp|
        start_time = validate_and_parsetime(wp['start_time'])
        halt( err(403, "start time must be provided") ) unless start_time

        check.create_scheduled_maintenance(start_time,
          wp[:duration].to_i, :summary => wp[:summary])
      end
    end

    status 204
  end

  # create an acknowledgement for a service on an entity
  # NB currently, this does not acknowledge a specific failure event, just
  # the entity-check as a whole
  app.post %r{^/unscheduled_maintenances/checks/(.+)$} do
    unscheduled_maintenances = wrapped_params('unscheduled_maintenances', false)
    checks_for_check_names(params[:captures][0].split(',')).each do |check|
      unscheduled_maintenances.each do |wp|
        dur = wp['duration'] ? wp['duration'].to_i : nil
        duration = (dur.nil? || (dur <= 0)) ? (4 * 60 * 60) : dur
        summary = wp['summary']

        opts = {:duration => duration}
        opts[:summary] = summary if summary

        Flapjack::Data::Event.create_acknowledgement(
          check.entity_name, check.check, {:redis => redis}.merge(opts))
      end
    end

    status 204
  end

  app.patch %r{^/unscheduled_maintenances/checks/(.+)$} do
    checks_for_check_names(params[:captures][0].split(',')).each do |check|
      apply_json_patch('unscheduled_maintenances') do |op, property, linked, value|
        case op
        when 'replace'
          if ['end_time'].include?(property)
            end_time = validate_and_parsetime(value)
            check.end_unscheduled_maintenance(end_time.to_i)
          end
        end
      end
    end
    status 204
  end

  app.delete %r{^/scheduled_maintenances/checks/(.+)$} do
    start_time = validate_and_parsetime(params[:start_time])
    halt( err(403, "start time must be provided") ) unless start_time

    checks_for_check_names(params[:captures][0].split(',')).each do |check|
      check.end_scheduled_maintenance(start_time.to_i)
    end
    status 204
  end

  app.post %r{^/test_notifications/checks/(.+)$} do
    test_notifications = wrapped_params('test_notifications', false)
    checks_for_check_names(params[:captures][0].split(',')).each do |check|
      test_notifications.each do |wp|
        summary = wp['summary'] ||
                  "Testing notifications to all contacts interested in entity #{check.entity.name}"
        Flapjack::Data::Event.test_notifications(
          check.entity_name, check.check,
          :summary => summary,
          :redis => redis)
      end
    end
    status 204
  end

end