func (m *requestHandlerContext) makeCreateIndexRequest(defn common.IndexDefn, host string) bool {
id, err := common.NewIndexDefnId()
if err != nil {
logging.Debugf("requestHandler.makeCreateIndexRequest(): fail to generate index definition id %v", err)
return false
}
defn.DefnId = id
// deferred build for restore
defn.Deferred = true
req := IndexRequest{Version: uint64(1), Type: CREATE, Index: defn}
body, err := json.Marshal(&req)
if err != nil {
logging.Debugf("requestHandler.makeCreateIndexRequest(): cannot marshall create index request %v", err)
return false
}
bodybuf := bytes.NewBuffer(body)
resp, err := postWithAuth(host+"/createIndex", "application/json", bodybuf)
if err != nil {
logging.Debugf("requestHandler.makeCreateIndexRequest(): create index request fails %v", err)
return false
}
response := new(IndexResponse)
status := convertResponse(resp, response)
if status == RESP_ERROR || response.Code == RESP_ERROR {
logging.Debugf("requestHandler.makeCreateIndexRequest(): create index request fails")
return false
}
return true
}
func (m *LifecycleMgr) CreateIndex(defn *common.IndexDefn) error {
if !defn.Deferred && !m.canBuildIndex(defn.Bucket) {
logging.Errorf("LifecycleMgr.handleCreateIndex() : Cannot create index %s.%s while another index is being built",
defn.Bucket, defn.Name)
return errors.New(fmt.Sprintf("Cannot create Index %s.%s while another index is being built.",
defn.Bucket, defn.Name))
}
existDefn, err := m.repo.GetIndexDefnByName(defn.Bucket, defn.Name)
if err != nil {
logging.Errorf("LifecycleMgr.handleCreateIndex() : createIndex fails. Reason = %v", err)
return err
}
if existDefn != nil {
topology, err := m.repo.GetTopologyByBucket(existDefn.Bucket)
if err != nil {
logging.Errorf("LifecycleMgr.handleCreateIndex() : fails to find index instance. Reason = %v", err)
return err
}
state, _ := topology.GetStatusByDefn(existDefn.DefnId)
if state != common.INDEX_STATE_NIL && state != common.INDEX_STATE_DELETED {
return errors.New(fmt.Sprintf("Index %s.%s already exist", defn.Bucket, defn.Name))
}
}
// Fetch bucket UUID. This confirms that the bucket has existed, but it cannot confirm if the bucket
// is still existing in the cluster (due to race condition or network partitioned).
bucketUUID, err := m.verifyBucket(defn.Bucket)
if err != nil || bucketUUID == common.BUCKET_UUID_NIL {
return errors.New("Bucket does not exist or temporarily unavaible for creating new index." +
" Please retry the operation at a later time.")
}
defn.BucketUUID = bucketUUID
if err := m.repo.CreateIndex(defn); err != nil {
logging.Errorf("LifecycleMgr.handleCreateIndex() : createIndex fails. Reason = %v", err)
return err
}
if err := m.repo.addIndexToTopology(defn, common.IndexInstId(defn.DefnId)); err != nil {
logging.Errorf("LifecycleMgr.handleCreateIndex() : createIndex fails. Reason = %v", err)
m.repo.DropIndexById(defn.DefnId)
return err
}
if m.notifier != nil {
if err := m.notifier.OnIndexCreate(defn); err != nil {
logging.Errorf("LifecycleMgr.handleCreateIndex() : createIndex fails. Reason = %v", err)
m.repo.DropIndexById(defn.DefnId)
m.repo.deleteIndexFromTopology(defn.Bucket, defn.DefnId)
return err
}
}
if err := m.updateIndexState(defn.Bucket, defn.DefnId, common.INDEX_STATE_READY); err != nil {
logging.Errorf("LifecycleMgr.handleCreateIndex() : createIndex fails. Reason = %v", err)
if m.notifier != nil {
m.notifier.OnIndexDelete(defn.DefnId, defn.Bucket)
}
m.repo.DropIndexById(defn.DefnId)
m.repo.deleteIndexFromTopology(defn.Bucket, defn.DefnId)
return err
}
if !defn.Deferred {
if m.notifier != nil {
logging.Debugf("LifecycleMgr.handleCreateIndex() : start Index Build")
if errMap := m.notifier.OnIndexBuild([]common.IndexDefnId{defn.DefnId}, []string{defn.Bucket}); len(errMap) != 0 {
err := errMap[common.IndexInstId(defn.DefnId)]
logging.Errorf("LifecycleMgr.hanaleCreateIndex() : createIndex fails. Reason = %v", err)
m.notifier.OnIndexDelete(defn.DefnId, defn.Bucket)
m.repo.DropIndexById(defn.DefnId)
m.repo.deleteIndexFromTopology(defn.Bucket, defn.DefnId)
return err
}
}
}
logging.Debugf("LifecycleMgr.handleCreateIndex() : createIndex completes")
return nil
}