Add version and cause to Put Template API

CONTRIBUTORS

@@ -14,6 +14,7 @@ Alex [@akotlar](https://github.com/akotlar)
 Alexandre Olivier [@aliphen](https://github.com/aliphen)
 Alexey Sharov [@nizsheanez](https://github.com/nizsheanez)
 AndreKR [@AndreKR](https://github.com/AndreKR)
+Andrew Dunham [@andrew-d](https://github.com/andrew-d)
 Andrew Gaul [@andrewgaul](https://github.com/andrewgaul)
 Benjamin Fernandes [@LotharSee](https://github.com/LotharSee)
 Benjamin Zarzycki [@kf6nux](https://github.com/kf6nux)

client.go

@@ -23,7 +23,7 @@ import (
 
 const (
 	// Version is the current version of Elastic.
-	Version = "5.0.33"
+	Version = "5.0.34"
 
 	// DefaultURL is the default endpoint of Elasticsearch on the local machine.
 	// It is used e.g. when initializing a new Client without a specific URL.

indices_put_template.go

@@ -19,7 +19,9 @@ type IndicesPutTemplateService struct {
 	client        *Client
 	pretty        bool
 	name          string
+	cause         string
 	order         interface{}
+	version       *int
 	create        *bool
 	timeout       string
 	masterTimeout string
@@ -41,6 +43,13 @@ func (s *IndicesPutTemplateService) Name(name string) *IndicesPutTemplateService
 	return s
 }
 
+// Cause describes the cause for this index template creation. This is currently
+// undocumented, but part of the Java source.
+func (s *IndicesPutTemplateService) Cause(cause string) *IndicesPutTemplateService {
+	s.cause = cause
+	return s
+}
+
 // Timeout is an explicit operation timeout.
 func (s *IndicesPutTemplateService) Timeout(timeout string) *IndicesPutTemplateService {
 	s.timeout = timeout
@@ -66,6 +75,12 @@ func (s *IndicesPutTemplateService) Order(order interface{}) *IndicesPutTemplate
 	return s
 }
 
+// Version sets the version number for this template.
+func (s *IndicesPutTemplateService) Version(version int) *IndicesPutTemplateService {
+	s.version = &version
+	return s
+}
+
 // Create indicates whether the index template should only be added if
 // new or can also replace an existing one.
 func (s *IndicesPutTemplateService) Create(create bool) *IndicesPutTemplateService {
@@ -109,9 +124,15 @@ func (s *IndicesPutTemplateService) buildURL() (string, url.Values, error) {
 	if s.order != nil {
 		params.Set("order", fmt.Sprintf("%v", s.order))
 	}
+	if s.version != nil {
+		params.Set("version", fmt.Sprintf("%v", *s.version))
+	}
 	if s.create != nil {
 		params.Set("create", fmt.Sprintf("%v", *s.create))
 	}
+	if s.cause != "" {
+		params.Set("cause", s.cause)
+	}
 	if s.timeout != "" {
 		params.Set("timeout", s.timeout)
 	}