[XPACK] Adds autoscaling.get_autoscaling_capacity

Author: picandocodigo

elasticsearch-xpack/lib/elasticsearch/xpack/api/actions/autoscaling/get_autoscaling_capacity.rb

@@ -0,0 +1,49 @@
+# Licensed to Elasticsearch B.V. under one or more contributor
+# license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright
+# ownership. Elasticsearch B.V. licenses this file to you 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.
+
+module Elasticsearch
+  module XPack
+    module API
+      module Autoscaling
+        module Actions
+          # Gets the current autoscaling capacity based on the configured autoscaling policy.
+          # This functionality is Experimental and may be changed or removed
+          # completely in a future release. Elastic will take a best effort approach
+          # to fix any issues, but experimental features are not subject to the
+          # support SLA of official GA features.
+          #
+          # @option arguments [Hash] :headers Custom HTTP headers
+          #
+          # @see https://www.elastic.co/guide/en/elasticsearch/reference/7.x/autoscaling-get-autoscaling-capacity.html
+          #
+          def get_autoscaling_capacity(arguments = {})
+            headers = arguments.delete(:headers) || {}
+
+            arguments = arguments.clone
+
+            method = Elasticsearch::API::HTTP_GET
+            path   = "_autoscaling/capacity"
+            params = {}
+
+            body = nil
+            perform_request(method, path, params, body, headers).body
+          end
+        end
+      end
+    end
+  end
+end