Add function to remove alias

lib/indicesremovealias.go

@@ -0,0 +1,61 @@
+// Copyright 2013 Matthew Baird
+// 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.
+
+package elastigo
+
+import (
+	"encoding/json"
+	"fmt"
+)
+
+type JsonRemoveAliases struct {
+	Actions []JsonAliasRemove `json:"actions"`
+}
+
+type JsonAliasRemove struct {
+	Remove JsonAlias `json:"remove"`
+}
+
+
+// The API allows you to remove an index alias through an API.
+func (c *Conn) RemoveAlias(index string, alias string) (BaseResponse, error) {
+	var url string
+	var retval BaseResponse
+
+	if len(index) > 0 {
+		url = "/_aliases"
+	} else {
+		return retval, fmt.Errorf("You must specify an index to create the alias on")
+	}
+
+	jsonAliases := JsonRemoveAliases{}
+	jsonAliasRemove := JsonAliasRemove{}
+	jsonAliasRemove.Remove.Alias = alias
+	jsonAliasRemove.Remove.Index = index
+	jsonAliases.Actions = append(jsonAliases.Actions, jsonAliasRemove)
+	requestBody, err := json.Marshal(jsonAliases)
+
+	if err != nil {
+		return retval, err
+	}
+
+	body, err := c.DoCommand("POST", url, nil, requestBody)
+	if err != nil {
+		return retval, err
+	}
+
+	jsonErr := json.Unmarshal(body, &retval)
+	if jsonErr != nil {
+		return retval, jsonErr
+	}
+
+	return retval, err
+}