func doClusters(s *server.Server, w http.ResponseWriter, req *http.Request) (interface{}, errors.Error) {
cfgStore := s.ConfigurationStore()
cm := cfgStore.ConfigurationManager()
switch req.Method {
case "GET":
return cm.GetClusters()
case "POST":
cluster, err := getClusterFromRequest(req)
if err != nil {
return nil, err
}
return cfgStore.ConfigurationManager().AddCluster(cluster)
default:
return nil, nil
}
}
func doCluster(s *server.Server, w http.ResponseWriter, req *http.Request) (interface{}, errors.Error) {
vars := mux.Vars(req)
name := vars["cluster"]
cfgStore := s.ConfigurationStore()
cluster, err := cfgStore.ClusterByName(name)
if err != nil {
return nil, err
}
switch req.Method {
case "GET":
return cluster, nil
case "DELETE":
return cfgStore.ConfigurationManager().RemoveCluster(cluster)
default:
return nil, nil
}
}
func doNodes(s *server.Server, w http.ResponseWriter, req *http.Request) (interface{}, errors.Error) {
vars := mux.Vars(req)
name := vars["cluster"]
cfgStore := s.ConfigurationStore()
cluster, err := cfgStore.ClusterByName(name)
if err != nil || cluster == nil {
return cluster, err
}
switch req.Method {
case "GET":
return cluster.ClusterManager().GetQueryNodes()
case "POST":
node, err := getNodeFromRequest(req)
if err != nil {
return nil, err
}
return cluster.ClusterManager().AddQueryNode(node)
default:
return nil, nil
}
}
func doConfig(s *server.Server, w http.ResponseWriter, req *http.Request) (interface{}, errors.Error) {
if localConfig.myConfig != nil {
return localConfig.myConfig, nil
}
var self clustering.QueryNode
ip, err := util.ExternalIP()
if err != nil {
return nil, err
}
name, er := os.Hostname()
if er != nil {
return nil, err
}
cm := s.ConfigurationStore().ConfigurationManager()
clusters, err := cm.GetClusters()
if err != nil {
return nil, err
}
for _, c := range clusters {
clm := c.ClusterManager()
queryNodes, err := clm.GetQueryNodes()
if err != nil {
return nil, err
}
for _, qryNode := range queryNodes {
if qryNode.Name() == ip || qryNode.Name() == name {
self = qryNode
break
}
}
}
localConfig.Lock()
defer localConfig.Unlock()
localConfig.myConfig = self
return localConfig.myConfig, nil
}