GOCBC-277: Add FTS Index Management

Motivation
----------
Search index management is required for integration test scaffolding.
It can be also used for administrative tools development.

Changes
-------
Added a SearchIndexManager to provide functionality to manage
search indexes.

Change-Id: I25d9b12cfac714d653571ec4002488e4d804bc28
Reviewed-on: http://review.couchbase.org/94056
Reviewed-by: Brett Lawson <brett19@gmail.com>
Tested-by: Charles Dixon <chvckd@gmail.com>

bucket_test.go

@@ -10,6 +10,7 @@ import (
 
 var globalBucket *Bucket
 var globalMock *gojcbmock.Mock
+var globalCluster *Cluster
 
 func TestMain(m *testing.M) {
 	SetLogger(VerboseStdioLogger())
@@ -30,13 +31,13 @@ func TestMain(m *testing.M) {
 
 	connStr := fmt.Sprintf("http://127.0.0.1:%d", globalMock.EntryPort)
 
-	cluster, err := Connect(connStr)
+	globalCluster, err = Connect(connStr)
 
 	if err != nil {
 		panic(err.Error())
 	}
 
-	globalBucket, err = cluster.OpenBucket("default", "")
+	globalBucket, err = globalCluster.OpenBucket("default", "")
 
 	if err != nil {
 		panic(err.Error())

cluster.go

@@ -315,6 +315,7 @@ func (c *Cluster) Manager(username, password string) *ClusterManager {
 				TLSClientConfig: tlsConfig,
 			},
 		},
+		cluster: c,
 	}
 }
 

clustermgr.go

@@ -18,6 +18,7 @@ type ClusterManager struct {
 	username string
 	password string
 	httpCli  *http.Client
+	cluster  *Cluster
 }
 
 // BucketType specifies the kind of bucket
@@ -406,3 +407,10 @@ func (cm *ClusterManager) RemoveUser(domain AuthDomain, name string) error {
 
 	return nil
 }
+
+// SearchIndexManager returns a SearchIndexManager for performing FTS index management on this cluster
+func (cm *ClusterManager) SearchIndexManager() *SearchIndexManager {
+	return &SearchIndexManager{
+		cm: cm,
+	}
+}