func NewQueryNodeConfig(uri string,
version string,
httpAddr string,
opts clustering.ClOptions,
datastore datastore.Datastore,
acctstore accounting.AccountingStore,
cfgstore clustering.ConfigurationStore) (clustering.QueryNode, errors.Error) {
if strings.HasPrefix(uri, "zookeeper:") {
v := clustering.NewVersion(version)
s := clustering.NewStandalone(v, cfgstore, datastore, acctstore)
return clustering_zk.NewQueryNode(httpAddr, s, &opts)
}
return nil, errors.NewAdminInvalidURL("ConfigurationStore", uri)
}
func TestZKClustering(t *testing.T) {
cs, err := NewConfigstore("localhost:2181")
ds, err := mock.NewDatastore("mock:")
as, err := accounting_stub.NewAccountingStore("stub:")
version := clustering.NewVersion("0.7.0")
version2 := clustering.NewVersion("0.7.9")
stdCfg := clustering.NewStandalone(version, cs, ds, as)
stdCfg2 := clustering.NewStandalone(version2, cs, ds, as)
stdOpts := clustering.NewOptions(ds.URL(), cs.URL(), as.URL(), "default", false, false, true,
runtime.NumCPU()<<16, runtime.NumCPU()<<6, 0, 0, ":8093", ":8094", "", false, "cluster1", "", "")
if !zookeeper_running() {
t.Skip("Zookeeper not running - skipping test")
}
if err != nil {
t.Fatalf("Error creating configstore: ", err)
}
fmt.Printf("Created config store %v\n\n", cs)
cfm := cs.ConfigurationManager()
cluster1, _ := NewCluster("cluster1", version, cs, ds, as)
fmt.Printf("Creating cluster %v\n\n", cluster1)
cluster1, err = cfm.AddCluster(cluster1)
if err != nil {
t.Fatalf("Error adding cluster: ", err)
}
cluster1check, errCheck := cs.ClusterByName("cluster1")
if errCheck != nil {
t.Fatalf("Unexpected Error retrieving cluster by name: ", errCheck)
}
fmt.Printf("Retrieved cluster: %v\n\n", cluster1check)
qn, err_qn := cluster1check.QueryNodeByName("qryNode")
if err_qn == nil {
t.Fatalf("Expected error getting query node: ", qn)
}
if qn != nil {
t.Fatalf("Unexpected query node! ", qn)
}
clusterMgr := cluster1check.ClusterManager()
queryNode, _ := NewQueryNode(":8093", stdCfg, stdOpts)
queryNode, err_qn = clusterMgr.AddQueryNode(queryNode)
if err_qn != nil {
t.Fatalf("Unexpected error adding query node: ", err_qn)
}
fmt.Printf("Added query node %v to cluster %v\n\n", queryNode, cluster1)
queryNode, _ = NewQueryNode(":8094", stdCfg, stdOpts)
queryNode, err_qn = clusterMgr.AddQueryNode(queryNode)
if err_qn != nil {
t.Fatalf("Unexpected error adding query node: ", err_qn)
}
fmt.Printf("Added query node %v to cluster %v\n\n", queryNode, cluster1)
queryNode, _ = NewQueryNode(":8095", stdCfg, stdOpts)
queryNode, err_qn = clusterMgr.AddQueryNode(queryNode)
if err_qn != nil {
t.Fatalf("Unexpected error adding query node: ", err_qn)
}
fmt.Printf("Added query node %v to cluster %v\n\n", queryNode, cluster1)
queryNode, _ = NewQueryNode(":8095", stdCfg2, stdOpts)
queryNode, err_qn = clusterMgr.AddQueryNode(queryNode)
if err_qn == nil {
t.Fatalf("Expected error adding query node: version incompatibility")
}
fmt.Printf("Version incompatibility adding query node 4: %v\n\n", err_qn)
qryNodes, errT := clusterMgr.GetQueryNodes()
if errT != nil {
t.Fatalf("Unexpected error getting query nodes: ", errT)
}
for i, qNode := range qryNodes {
fmt.Printf("Query Node %d: configuration = %v\n\n", i, qNode)
}
clusters, errC := cfm.GetClusters()
if errC != nil {
t.Fatalf("Unexpected error getting clusters: ", errC)
}
for c, cluster := range clusters {
fmt.Printf("Cluster %d: configuration = %v\n\n", c, cluster)
}
for _, qNode := range qryNodes {
qNode, errT = clusterMgr.RemoveQueryNodeByName(qNode.Name())
if errT != nil {
t.Fatalf("Unexpected error removing query node: ", errT)
}
}
r, err := cfm.RemoveClusterByName(cluster1check.Name())
if err != nil {
t.Fatalf("Unexpected error removing cluster: ", err)
}
if r {
fmt.Printf("Successfully removed cluster \n\n", cluster1)
}
}