File: instance_group_managers.rb

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module Fog
  module Google
    class Compute
      class InstanceGroupManagers < Fog::Collection
        model Fog::Google::Compute::InstanceGroupManager

        def all(zone: nil, filter: nil, max_results: nil,
                order_by: nil, page_token: nil)
          opts = {
            :filter => filter,
            :max_results => max_results,
            :order_by => order_by,
            :page_token => page_token
          }
          items = []
          next_page_token = nil
          loop do
            if zone
              data = service.list_instance_group_managers(zone, **opts)
              next_items = data.items || []
              items.concat(next_items)
              next_page_token = data.next_page_token
            else
              data = service.list_aggregated_instance_group_managers(**opts)
              data.items.each_value do |group|
                items.concat(group.instance_group_managers) if group && group.instance_group_managers
              end
              next_page_token = data.next_page_token
            end
            break if next_page_token.nil? || next_page_token.empty?
            opts[:page_token] = next_page_token
          end
          load(items.map(&:to_h))
        end

        def get(identity, zone = nil)
          if zone
            instance_group_manager = service.get_instance_group_manager(identity, zone).to_h
            return new(instance_group_manager)
          elsif identity
            response = all(:filter => "name eq .*#{identity}",
                           :max_results => 1)
            instance_group_manager = response.first unless response.empty?
            return instance_group_manager
          end
        rescue ::Google::Apis::ClientError => e
          raise e unless e.status_code == 404
          nil
        end
      end
    end
  end
end