open-consul/consul/catalog_endpoint_test.go

398 lines
8.7 KiB
Go

package consul
import (
"fmt"
"github.com/hashicorp/consul/consul/structs"
"net/rpc"
"os"
"sort"
"testing"
"time"
)
func TestCatalogRegister(t *testing.T) {
dir1, s1 := testServer(t)
defer os.RemoveAll(dir1)
defer s1.Shutdown()
client := rpcClient(t, s1)
defer client.Close()
arg := structs.RegisterRequest{
Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.1",
Service: &structs.NodeService{
Service: "db",
Tag: "master",
Port: 8000,
},
}
var out struct{}
err := client.Call("Catalog.Register", &arg, &out)
if err == nil || err.Error() != "No cluster leader" {
t.Fatalf("err: %v", err)
}
// Wait for leader
time.Sleep(100 * time.Millisecond)
if err := client.Call("Catalog.Register", &arg, &out); err != nil {
t.Fatalf("err: %v", err)
}
}
func TestCatalogRegister_ForwardLeader(t *testing.T) {
dir1, s1 := testServer(t)
defer os.RemoveAll(dir1)
defer s1.Shutdown()
client1 := rpcClient(t, s1)
defer client1.Close()
dir2, s2 := testServer(t)
defer os.RemoveAll(dir2)
defer s2.Shutdown()
client2 := rpcClient(t, s2)
defer client2.Close()
// Try to join
addr := fmt.Sprintf("127.0.0.1:%d",
s1.config.SerfLANConfig.MemberlistConfig.BindPort)
if _, err := s2.JoinLAN([]string{addr}); err != nil {
t.Fatalf("err: %v", err)
}
// Wait for a leader
time.Sleep(100 * time.Millisecond)
// Use the follower as the client
var client *rpc.Client
if !s1.IsLeader() {
client = client1
} else {
client = client2
}
arg := structs.RegisterRequest{
Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.1",
Service: &structs.NodeService{
Service: "db",
Tag: "master",
Port: 8000,
},
}
var out struct{}
if err := client.Call("Catalog.Register", &arg, &out); err != nil {
t.Fatalf("err: %v", err)
}
}
func TestCatalogRegister_ForwardDC(t *testing.T) {
dir1, s1 := testServer(t)
defer os.RemoveAll(dir1)
defer s1.Shutdown()
client := rpcClient(t, s1)
defer client.Close()
dir2, s2 := testServerDC(t, "dc2")
defer os.RemoveAll(dir2)
defer s2.Shutdown()
// Try to join
addr := fmt.Sprintf("127.0.0.1:%d",
s1.config.SerfWANConfig.MemberlistConfig.BindPort)
if _, err := s2.JoinWAN([]string{addr}); err != nil {
t.Fatalf("err: %v", err)
}
// Wait for the leaders
time.Sleep(100 * time.Millisecond)
arg := structs.RegisterRequest{
Datacenter: "dc2", // SHould forward through s1
Node: "foo",
Address: "127.0.0.1",
Service: &structs.NodeService{
Service: "db",
Tag: "master",
Port: 8000,
},
}
var out struct{}
if err := client.Call("Catalog.Register", &arg, &out); err != nil {
t.Fatalf("err: %v", err)
}
}
func TestCatalogDeregister(t *testing.T) {
dir1, s1 := testServer(t)
defer os.RemoveAll(dir1)
defer s1.Shutdown()
client := rpcClient(t, s1)
defer client.Close()
arg := structs.DeregisterRequest{
Datacenter: "dc1",
Node: "foo",
}
var out struct{}
err := client.Call("Catalog.Deregister", &arg, &out)
if err == nil || err.Error() != "No cluster leader" {
t.Fatalf("err: %v", err)
}
// Wait for leader
time.Sleep(100 * time.Millisecond)
if err := client.Call("Catalog.Deregister", &arg, &out); err != nil {
t.Fatalf("err: %v", err)
}
}
func TestCatalogListDatacenters(t *testing.T) {
dir1, s1 := testServer(t)
defer os.RemoveAll(dir1)
defer s1.Shutdown()
client := rpcClient(t, s1)
defer client.Close()
dir2, s2 := testServerDC(t, "dc2")
defer os.RemoveAll(dir2)
defer s2.Shutdown()
// Try to join
addr := fmt.Sprintf("127.0.0.1:%d",
s1.config.SerfWANConfig.MemberlistConfig.BindPort)
if _, err := s2.JoinWAN([]string{addr}); err != nil {
t.Fatalf("err: %v", err)
}
time.Sleep(10 * time.Millisecond)
var out []string
if err := client.Call("Catalog.ListDatacenters", struct{}{}, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Sort the dcs
sort.Strings(out)
if len(out) != 2 {
t.Fatalf("bad: %v", out)
}
if out[0] != "dc1" {
t.Fatalf("bad: %v", out)
}
if out[1] != "dc2" {
t.Fatalf("bad: %v", out)
}
}
func TestCatalogListNodes(t *testing.T) {
dir1, s1 := testServer(t)
defer os.RemoveAll(dir1)
defer s1.Shutdown()
client := rpcClient(t, s1)
defer client.Close()
var out structs.Nodes
err := client.Call("Catalog.ListNodes", "dc1", &out)
if err == nil || err.Error() != "No cluster leader" {
t.Fatalf("err: %v", err)
}
// Wait for leader
time.Sleep(100 * time.Millisecond)
// Just add a node
s1.fsm.State().EnsureNode(structs.Node{"foo", "127.0.0.1"})
if err := client.Call("Catalog.ListNodes", "dc1", &out); err != nil {
t.Fatalf("err: %v", err)
}
if len(out) != 1 {
t.Fatalf("bad: %v", out)
}
if out[0].Node != "foo" {
t.Fatalf("bad: %v", out)
}
if out[0].Address != "127.0.0.1" {
t.Fatalf("bad: %v", out)
}
}
func TestCatalogListServices(t *testing.T) {
dir1, s1 := testServer(t)
defer os.RemoveAll(dir1)
defer s1.Shutdown()
client := rpcClient(t, s1)
defer client.Close()
var out structs.Services
err := client.Call("Catalog.ListServices", "dc1", &out)
if err == nil || err.Error() != "No cluster leader" {
t.Fatalf("err: %v", err)
}
// Wait for leader
time.Sleep(100 * time.Millisecond)
// Just add a node
s1.fsm.State().EnsureNode(structs.Node{"foo", "127.0.0.1"})
s1.fsm.State().EnsureService("foo", "db", "db", "primary", 5000)
if err := client.Call("Catalog.ListServices", "dc1", &out); err != nil {
t.Fatalf("err: %v", err)
}
if len(out) != 1 {
t.Fatalf("bad: %v", out)
}
if len(out["db"]) != 1 {
t.Fatalf("bad: %v", out)
}
if out["db"][0] != "primary" {
t.Fatalf("bad: %v", out)
}
}
func TestCatalogListServiceNodes(t *testing.T) {
dir1, s1 := testServer(t)
defer os.RemoveAll(dir1)
defer s1.Shutdown()
client := rpcClient(t, s1)
defer client.Close()
args := structs.ServiceSpecificRequest{
Datacenter: "dc1",
ServiceName: "db",
ServiceTag: "slave",
TagFilter: false,
}
var out structs.ServiceNodes
err := client.Call("Catalog.ServiceNodes", &args, &out)
if err == nil || err.Error() != "No cluster leader" {
t.Fatalf("err: %v", err)
}
// Wait for leader
time.Sleep(100 * time.Millisecond)
// Just add a node
s1.fsm.State().EnsureNode(structs.Node{"foo", "127.0.0.1"})
s1.fsm.State().EnsureService("foo", "db", "db", "primary", 5000)
if err := client.Call("Catalog.ServiceNodes", &args, &out); err != nil {
t.Fatalf("err: %v", err)
}
if len(out) != 1 {
t.Fatalf("bad: %v", out)
}
// Try with a filter
args.TagFilter = true
out = nil
if err := client.Call("Catalog.ServiceNodes", &args, &out); err != nil {
t.Fatalf("err: %v", err)
}
if len(out) != 0 {
t.Fatalf("bad: %v", out)
}
}
func TestCatalogNodeServices(t *testing.T) {
dir1, s1 := testServer(t)
defer os.RemoveAll(dir1)
defer s1.Shutdown()
client := rpcClient(t, s1)
defer client.Close()
args := structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: "foo",
}
var out structs.NodeServices
err := client.Call("Catalog.NodeServices", &args, &out)
if err == nil || err.Error() != "No cluster leader" {
t.Fatalf("err: %v", err)
}
// Wait for leader
time.Sleep(100 * time.Millisecond)
// Just add a node
s1.fsm.State().EnsureNode(structs.Node{"foo", "127.0.0.1"})
s1.fsm.State().EnsureService("foo", "db", "db", "primary", 5000)
s1.fsm.State().EnsureService("foo", "web", "web", "", 80)
if err := client.Call("Catalog.NodeServices", &args, &out); err != nil {
t.Fatalf("err: %v", err)
}
if out.Node.Address != "127.0.0.1" {
t.Fatalf("bad: %v", out)
}
if len(out.Services) != 2 {
t.Fatalf("bad: %v", out)
}
if out.Services["db"].Tag != "primary" || out.Services["db"].Port != 5000 {
t.Fatalf("bad: %v", out)
}
if out.Services["web"].Tag != "" || out.Services["web"].Port != 80 {
t.Fatalf("bad: %v", out)
}
}
// Used to check for a regression against a known bug
func TestCatalogRegister_FailedCase1(t *testing.T) {
dir1, s1 := testServer(t)
defer os.RemoveAll(dir1)
defer s1.Shutdown()
client := rpcClient(t, s1)
defer client.Close()
arg := structs.RegisterRequest{
Datacenter: "dc1",
Node: "bar",
Address: "127.0.0.2",
Service: &structs.NodeService{
Service: "web",
Tag: "",
Port: 8000,
},
}
var out struct{}
err := client.Call("Catalog.Register", &arg, &out)
if err == nil || err.Error() != "No cluster leader" {
t.Fatalf("err: %v", err)
}
// Wait for leader
time.Sleep(100 * time.Millisecond)
if err := client.Call("Catalog.Register", &arg, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Check we can get this back
query := &structs.ServiceSpecificRequest{
Datacenter: "dc1",
ServiceName: "web",
}
var nodes structs.ServiceNodes
if err := client.Call("Catalog.ServiceNodes", query, &nodes); err != nil {
t.Fatalf("err: %v", err)
}
// Check the output
if len(nodes) != 1 {
t.Fatalf("Bad: %v", nodes)
}
}