add index alias delete (#20)

cmd/index_alias.go

@@ -35,8 +35,8 @@ func IndexAlias(conf *cfg.Config) *cli.Command {
 		Commands: []*cli.Command{
 			IndexAliasCreate(conf),
 			IndexAliasList(conf),
+			IndexAliasDelete(conf),
 			//IndexAliasShow(conf),
-			//IndexAliasDelete(conf),
 			//IndexAliasAdd(conf), // see https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-indices-update-aliases
 		},
 	}
@@ -62,6 +62,26 @@ func IndexAliasCreate(conf *cfg.Config) *cli.Command {
 	}
 }
 
+func IndexAliasDelete(conf *cfg.Config) *cli.Command {
+	return &cli.Command{
+		Name:      "delete",
+		Aliases:   []string{"rm"},
+		Usage:     "delete an index alias",
+		UsageText: "delete <index> <alias>",
+
+		Action: func(ctx context.Context, cmd *cli.Command) error {
+			index := cmd.Args().Get(0)
+			alias := cmd.Args().Get(1)
+
+			if index == "" || alias == "" {
+				return errors.New("no index or alias specified")
+			}
+
+			return es.IndexAliasDelete(conf, index, alias)
+		},
+	}
+}
+
 func IndexAliasList(conf *cfg.Config) *cli.Command {
 	return &cli.Command{
 		Name:    "list",