consul/agent/catalog_endpoint_test.go

906 lines
21 KiB
Go

package agent
import (
"fmt"
"net/http"
"net/http/httptest"
"testing"
"time"
"github.com/hashicorp/consul/agent/structs"
"github.com/hashicorp/consul/testutil/retry"
"github.com/hashicorp/serf/coordinate"
)
func TestCatalogRegister(t *testing.T) {
t.Skip("skipping since it is not clear what this test is supposed to verify")
t.Parallel()
a := NewTestAgent(t.Name(), "")
defer a.Shutdown()
// Register node
args := &structs.RegisterRequest{
Node: "foo",
Address: "127.0.0.1",
}
req, _ := http.NewRequest("PUT", "/v1/catalog/register", jsonReader(args))
obj, err := a.srv.CatalogRegister(nil, req)
if err != nil {
t.Fatalf("err: %v", err)
}
res := obj.(bool)
if res != true {
t.Fatalf("bad: %v", res)
}
if err := a.State.SyncChanges(); err != nil {
t.Fatal("sync failed: ", err)
}
s := a.State.ServiceState("foo")
if s == nil {
t.Fatal("service 'foo' missing")
}
if !s.InSync {
t.Fatalf("service 'foo' should be in sync")
}
}
func TestCatalogRegister_Service_InvalidAddress(t *testing.T) {
t.Parallel()
a := NewTestAgent(t.Name(), "")
defer a.Shutdown()
for _, addr := range []string{"0.0.0.0", "::", "[::]"} {
t.Run("addr "+addr, func(t *testing.T) {
args := &structs.RegisterRequest{
Node: "foo",
Address: "127.0.0.1",
Service: &structs.NodeService{
Service: "test",
Address: addr,
Port: 8080,
},
}
req, _ := http.NewRequest("PUT", "/v1/catalog/register", jsonReader(args))
_, err := a.srv.CatalogRegister(nil, req)
if err == nil || err.Error() != "Invalid service address" {
t.Fatalf("err: %v", err)
}
})
}
}
func TestCatalogDeregister(t *testing.T) {
t.Parallel()
a := NewTestAgent(t.Name(), "")
defer a.Shutdown()
// Register node
args := &structs.DeregisterRequest{Node: "foo"}
req, _ := http.NewRequest("PUT", "/v1/catalog/deregister", jsonReader(args))
obj, err := a.srv.CatalogDeregister(nil, req)
if err != nil {
t.Fatalf("err: %v", err)
}
res := obj.(bool)
if res != true {
t.Fatalf("bad: %v", res)
}
}
func TestCatalogDatacenters(t *testing.T) {
t.Parallel()
a := NewTestAgent(t.Name(), "")
defer a.Shutdown()
retry.Run(t, func(r *retry.R) {
req, _ := http.NewRequest("GET", "/v1/catalog/datacenters", nil)
obj, err := a.srv.CatalogDatacenters(nil, req)
if err != nil {
r.Fatal(err)
}
dcs := obj.([]string)
if got, want := len(dcs), 1; got != want {
r.Fatalf("got %d data centers want %d", got, want)
}
})
}
func TestCatalogNodes(t *testing.T) {
t.Parallel()
a := NewTestAgent(t.Name(), "")
defer a.Shutdown()
// Register node
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.1",
}
var out struct{}
if err := a.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
req, _ := http.NewRequest("GET", "/v1/catalog/nodes?dc=dc1", nil)
resp := httptest.NewRecorder()
obj, err := a.srv.CatalogNodes(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
// Verify an index is set
assertIndex(t, resp)
nodes := obj.(structs.Nodes)
if len(nodes) != 2 {
t.Fatalf("bad: %v", obj)
}
}
func TestCatalogNodes_MetaFilter(t *testing.T) {
t.Parallel()
a := NewTestAgent(t.Name(), "")
defer a.Shutdown()
// Register a node with a meta field
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.1",
NodeMeta: map[string]string{
"somekey": "somevalue",
},
}
var out struct{}
if err := a.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
req, _ := http.NewRequest("GET", "/v1/catalog/nodes?node-meta=somekey:somevalue", nil)
resp := httptest.NewRecorder()
obj, err := a.srv.CatalogNodes(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
// Verify an index is set
assertIndex(t, resp)
// Verify we only get the node with the correct meta field back
nodes := obj.(structs.Nodes)
if len(nodes) != 1 {
t.Fatalf("bad: %v", obj)
}
if v, ok := nodes[0].Meta["somekey"]; !ok || v != "somevalue" {
t.Fatalf("bad: %v", nodes[0].Meta)
}
}
func TestCatalogNodes_WanTranslation(t *testing.T) {
t.Parallel()
a1 := NewTestAgent(t.Name(), `
datacenter = "dc1"
translate_wan_addrs = true
acl_datacenter = ""
`)
defer a1.Shutdown()
a2 := NewTestAgent(t.Name(), `
datacenter = "dc2"
translate_wan_addrs = true
acl_datacenter = ""
`)
defer a2.Shutdown()
// Wait for the WAN join.
addr := fmt.Sprintf("127.0.0.1:%d", a1.Config.SerfPortWAN)
if _, err := a2.JoinWAN([]string{addr}); err != nil {
t.Fatalf("err: %v", err)
}
retry.Run(t, func(r *retry.R) {
if got, want := len(a1.WANMembers()), 2; got < want {
r.Fatalf("got %d WAN members want at least %d", got, want)
}
})
// Register a node with DC2.
{
args := &structs.RegisterRequest{
Datacenter: "dc2",
Node: "wan_translation_test",
Address: "127.0.0.1",
TaggedAddresses: map[string]string{
"wan": "127.0.0.2",
},
Service: &structs.NodeService{
Service: "http_wan_translation_test",
},
}
var out struct{}
if err := a2.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
}
// Query nodes in DC2 from DC1.
req, _ := http.NewRequest("GET", "/v1/catalog/nodes?dc=dc2", nil)
resp1 := httptest.NewRecorder()
obj1, err1 := a1.srv.CatalogNodes(resp1, req)
if err1 != nil {
t.Fatalf("err: %v", err1)
}
assertIndex(t, resp1)
// Expect that DC1 gives us a WAN address (since the node is in DC2).
nodes1 := obj1.(structs.Nodes)
if len(nodes1) != 2 {
t.Fatalf("bad: %v", obj1)
}
var address string
for _, node := range nodes1 {
if node.Node == "wan_translation_test" {
address = node.Address
}
}
if address != "127.0.0.2" {
t.Fatalf("bad: %s", address)
}
// Query DC2 from DC2.
resp2 := httptest.NewRecorder()
obj2, err2 := a2.srv.CatalogNodes(resp2, req)
if err2 != nil {
t.Fatalf("err: %v", err2)
}
assertIndex(t, resp2)
// Expect that DC2 gives us a private address (since the node is in DC2).
nodes2 := obj2.(structs.Nodes)
if len(nodes2) != 2 {
t.Fatalf("bad: %v", obj2)
}
for _, node := range nodes2 {
if node.Node == "wan_translation_test" {
address = node.Address
}
}
if address != "127.0.0.1" {
t.Fatalf("bad: %s", address)
}
}
func TestCatalogNodes_Blocking(t *testing.T) {
t.Parallel()
a := NewTestAgent(t.Name(), "")
defer a.Shutdown()
// Register node
args := &structs.DCSpecificRequest{
Datacenter: "dc1",
}
var out structs.IndexedNodes
if err := a.RPC("Catalog.ListNodes", *args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// t.Fatal must be called from the main go routine
// of the test. Because of this we cannot call
// t.Fatal from within the go routines and use
// an error channel instead.
errch := make(chan error, 2)
go func() {
start := time.Now()
// register a service after the blocking call
// in order to unblock it.
time.AfterFunc(100*time.Millisecond, func() {
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.1",
}
var out struct{}
errch <- a.RPC("Catalog.Register", args, &out)
})
// now block
req, _ := http.NewRequest("GET", fmt.Sprintf("/v1/catalog/nodes?wait=3s&index=%d", out.Index+1), nil)
resp := httptest.NewRecorder()
obj, err := a.srv.CatalogNodes(resp, req)
if err != nil {
errch <- err
}
// Should block for a while
if d := time.Since(start); d < 50*time.Millisecond {
errch <- fmt.Errorf("too fast: %v", d)
}
if idx := getIndex(t, resp); idx <= out.Index {
errch <- fmt.Errorf("bad: %v", idx)
}
nodes := obj.(structs.Nodes)
if len(nodes) != 2 {
errch <- fmt.Errorf("bad: %v", obj)
}
errch <- nil
}()
// wait for both go routines to return
if err := <-errch; err != nil {
t.Fatal(err)
}
if err := <-errch; err != nil {
t.Fatal(err)
}
}
func TestCatalogNodes_DistanceSort(t *testing.T) {
t.Parallel()
a := NewTestAgent(t.Name(), "")
defer a.Shutdown()
// Register nodes.
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.1",
}
var out struct{}
if err := a.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
args = &structs.RegisterRequest{
Datacenter: "dc1",
Node: "bar",
Address: "127.0.0.2",
}
if err := a.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Nobody has coordinates set so this will still return them in the
// order they are indexed.
req, _ := http.NewRequest("GET", "/v1/catalog/nodes?dc=dc1&near=foo", nil)
resp := httptest.NewRecorder()
obj, err := a.srv.CatalogNodes(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
nodes := obj.(structs.Nodes)
if len(nodes) != 3 {
t.Fatalf("bad: %v", obj)
}
if nodes[0].Node != "bar" {
t.Fatalf("bad: %v", nodes)
}
if nodes[1].Node != "foo" {
t.Fatalf("bad: %v", nodes)
}
if nodes[2].Node != a.Config.NodeName {
t.Fatalf("bad: %v", nodes)
}
// Send an update for the node and wait for it to get applied.
arg := structs.CoordinateUpdateRequest{
Datacenter: "dc1",
Node: "foo",
Coord: coordinate.NewCoordinate(coordinate.DefaultConfig()),
}
if err := a.RPC("Coordinate.Update", &arg, &out); err != nil {
t.Fatalf("err: %v", err)
}
time.Sleep(300 * time.Millisecond)
// Query again and now foo should have moved to the front of the line.
req, _ = http.NewRequest("GET", "/v1/catalog/nodes?dc=dc1&near=foo", nil)
resp = httptest.NewRecorder()
obj, err = a.srv.CatalogNodes(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
nodes = obj.(structs.Nodes)
if len(nodes) != 3 {
t.Fatalf("bad: %v", obj)
}
if nodes[0].Node != "foo" {
t.Fatalf("bad: %v", nodes)
}
if nodes[1].Node != "bar" {
t.Fatalf("bad: %v", nodes)
}
if nodes[2].Node != a.Config.NodeName {
t.Fatalf("bad: %v", nodes)
}
}
func TestCatalogServices(t *testing.T) {
t.Parallel()
a := NewTestAgent(t.Name(), "")
defer a.Shutdown()
// Register node
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.1",
Service: &structs.NodeService{
Service: "api",
},
}
var out struct{}
if err := a.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
req, _ := http.NewRequest("GET", "/v1/catalog/services?dc=dc1", nil)
resp := httptest.NewRecorder()
obj, err := a.srv.CatalogServices(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
services := obj.(structs.Services)
if len(services) != 2 {
t.Fatalf("bad: %v", obj)
}
}
func TestCatalogServices_NodeMetaFilter(t *testing.T) {
t.Parallel()
a := NewTestAgent(t.Name(), "")
defer a.Shutdown()
// Register node
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.1",
NodeMeta: map[string]string{
"somekey": "somevalue",
},
Service: &structs.NodeService{
Service: "api",
},
}
var out struct{}
if err := a.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
req, _ := http.NewRequest("GET", "/v1/catalog/services?node-meta=somekey:somevalue", nil)
resp := httptest.NewRecorder()
obj, err := a.srv.CatalogServices(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
services := obj.(structs.Services)
if len(services) != 1 {
t.Fatalf("bad: %v", obj)
}
if _, ok := services[args.Service.Service]; !ok {
t.Fatalf("bad: %v", services)
}
}
func TestCatalogServiceNodes(t *testing.T) {
t.Parallel()
a := NewTestAgent(t.Name(), "")
defer a.Shutdown()
// Make sure an empty list is returned, not a nil
{
req, _ := http.NewRequest("GET", "/v1/catalog/service/api?tag=a", nil)
resp := httptest.NewRecorder()
obj, err := a.srv.CatalogServiceNodes(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
nodes := obj.(structs.ServiceNodes)
if nodes == nil || len(nodes) != 0 {
t.Fatalf("bad: %v", obj)
}
}
// Register node
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.1",
Service: &structs.NodeService{
Service: "api",
Tags: []string{"a"},
},
}
var out struct{}
if err := a.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
req, _ := http.NewRequest("GET", "/v1/catalog/service/api?tag=a", nil)
resp := httptest.NewRecorder()
obj, err := a.srv.CatalogServiceNodes(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
nodes := obj.(structs.ServiceNodes)
if len(nodes) != 1 {
t.Fatalf("bad: %v", obj)
}
}
func TestCatalogServiceNodes_NodeMetaFilter(t *testing.T) {
t.Parallel()
a := NewTestAgent(t.Name(), "")
defer a.Shutdown()
// Make sure an empty list is returned, not a nil
{
req, _ := http.NewRequest("GET", "/v1/catalog/service/api?node-meta=somekey:somevalue", nil)
resp := httptest.NewRecorder()
obj, err := a.srv.CatalogServiceNodes(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
nodes := obj.(structs.ServiceNodes)
if nodes == nil || len(nodes) != 0 {
t.Fatalf("bad: %v", obj)
}
}
// Register node
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.1",
NodeMeta: map[string]string{
"somekey": "somevalue",
},
Service: &structs.NodeService{
Service: "api",
},
}
var out struct{}
if err := a.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
req, _ := http.NewRequest("GET", "/v1/catalog/service/api?node-meta=somekey:somevalue", nil)
resp := httptest.NewRecorder()
obj, err := a.srv.CatalogServiceNodes(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
nodes := obj.(structs.ServiceNodes)
if len(nodes) != 1 {
t.Fatalf("bad: %v", obj)
}
}
func TestCatalogServiceNodes_WanTranslation(t *testing.T) {
t.Parallel()
a1 := NewTestAgent(t.Name(), `
datacenter = "dc1"
translate_wan_addrs = true
acl_datacenter = ""
`)
defer a1.Shutdown()
a2 := NewTestAgent(t.Name(), `
datacenter = "dc2"
translate_wan_addrs = true
acl_datacenter = ""
`)
defer a2.Shutdown()
// Wait for the WAN join.
addr := fmt.Sprintf("127.0.0.1:%d", a1.Config.SerfPortWAN)
if _, err := a2.srv.agent.JoinWAN([]string{addr}); err != nil {
t.Fatalf("err: %v", err)
}
retry.Run(t, func(r *retry.R) {
if got, want := len(a1.WANMembers()), 2; got < want {
r.Fatalf("got %d WAN members want at least %d", got, want)
}
})
// Register a node with DC2.
{
args := &structs.RegisterRequest{
Datacenter: "dc2",
Node: "foo",
Address: "127.0.0.1",
TaggedAddresses: map[string]string{
"wan": "127.0.0.2",
},
Service: &structs.NodeService{
Service: "http_wan_translation_test",
},
}
var out struct{}
if err := a2.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
}
// Query for the node in DC2 from DC1.
req, _ := http.NewRequest("GET", "/v1/catalog/service/http_wan_translation_test?dc=dc2", nil)
resp1 := httptest.NewRecorder()
obj1, err1 := a1.srv.CatalogServiceNodes(resp1, req)
if err1 != nil {
t.Fatalf("err: %v", err1)
}
assertIndex(t, resp1)
// Expect that DC1 gives us a WAN address (since the node is in DC2).
nodes1 := obj1.(structs.ServiceNodes)
if len(nodes1) != 1 {
t.Fatalf("bad: %v", obj1)
}
node1 := nodes1[0]
if node1.Address != "127.0.0.2" {
t.Fatalf("bad: %v", node1)
}
// Query DC2 from DC2.
resp2 := httptest.NewRecorder()
obj2, err2 := a2.srv.CatalogServiceNodes(resp2, req)
if err2 != nil {
t.Fatalf("err: %v", err2)
}
assertIndex(t, resp2)
// Expect that DC2 gives us a local address (since the node is in DC2).
nodes2 := obj2.(structs.ServiceNodes)
if len(nodes2) != 1 {
t.Fatalf("bad: %v", obj2)
}
node2 := nodes2[0]
if node2.Address != "127.0.0.1" {
t.Fatalf("bad: %v", node2)
}
}
func TestCatalogServiceNodes_DistanceSort(t *testing.T) {
t.Parallel()
a := NewTestAgent(t.Name(), "")
defer a.Shutdown()
// Register nodes.
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: "bar",
Address: "127.0.0.1",
Service: &structs.NodeService{
Service: "api",
Tags: []string{"a"},
},
}
var out struct{}
if err := a.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
req, _ := http.NewRequest("GET", "/v1/catalog/service/api?tag=a", nil)
args = &structs.RegisterRequest{
Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.2",
Service: &structs.NodeService{
Service: "api",
Tags: []string{"a"},
},
}
if err := a.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Nobody has coordinates set so this will still return them in the
// order they are indexed.
req, _ = http.NewRequest("GET", "/v1/catalog/service/api?tag=a&near=foo", nil)
resp := httptest.NewRecorder()
obj, err := a.srv.CatalogServiceNodes(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
nodes := obj.(structs.ServiceNodes)
if len(nodes) != 2 {
t.Fatalf("bad: %v", obj)
}
if nodes[0].Node != "bar" {
t.Fatalf("bad: %v", nodes)
}
if nodes[1].Node != "foo" {
t.Fatalf("bad: %v", nodes)
}
// Send an update for the node and wait for it to get applied.
arg := structs.CoordinateUpdateRequest{
Datacenter: "dc1",
Node: "foo",
Coord: coordinate.NewCoordinate(coordinate.DefaultConfig()),
}
if err := a.RPC("Coordinate.Update", &arg, &out); err != nil {
t.Fatalf("err: %v", err)
}
time.Sleep(300 * time.Millisecond)
// Query again and now foo should have moved to the front of the line.
req, _ = http.NewRequest("GET", "/v1/catalog/service/api?tag=a&near=foo", nil)
resp = httptest.NewRecorder()
obj, err = a.srv.CatalogServiceNodes(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
nodes = obj.(structs.ServiceNodes)
if len(nodes) != 2 {
t.Fatalf("bad: %v", obj)
}
if nodes[0].Node != "foo" {
t.Fatalf("bad: %v", nodes)
}
if nodes[1].Node != "bar" {
t.Fatalf("bad: %v", nodes)
}
}
func TestCatalogNodeServices(t *testing.T) {
t.Parallel()
a := NewTestAgent(t.Name(), "")
defer a.Shutdown()
// Register node
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.1",
Service: &structs.NodeService{
Service: "api",
Tags: []string{"a"},
},
}
var out struct{}
if err := a.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
req, _ := http.NewRequest("GET", "/v1/catalog/node/foo?dc=dc1", nil)
resp := httptest.NewRecorder()
obj, err := a.srv.CatalogNodeServices(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
services := obj.(*structs.NodeServices)
if len(services.Services) != 1 {
t.Fatalf("bad: %v", obj)
}
}
func TestCatalogNodeServices_WanTranslation(t *testing.T) {
t.Parallel()
a1 := NewTestAgent(t.Name(), `
datacenter = "dc1"
translate_wan_addrs = true
acl_datacenter = ""
`)
defer a1.Shutdown()
a2 := NewTestAgent(t.Name(), `
datacenter = "dc2"
translate_wan_addrs = true
acl_datacenter = ""
`)
defer a2.Shutdown()
// Wait for the WAN join.
addr := fmt.Sprintf("127.0.0.1:%d", a1.Config.SerfPortWAN)
if _, err := a2.srv.agent.JoinWAN([]string{addr}); err != nil {
t.Fatalf("err: %v", err)
}
retry.Run(t, func(r *retry.R) {
if got, want := len(a1.WANMembers()), 2; got < want {
r.Fatalf("got %d WAN members want at least %d", got, want)
}
})
// Register a node with DC2.
{
args := &structs.RegisterRequest{
Datacenter: "dc2",
Node: "foo",
Address: "127.0.0.1",
TaggedAddresses: map[string]string{
"wan": "127.0.0.2",
},
Service: &structs.NodeService{
Service: "http_wan_translation_test",
},
}
var out struct{}
if err := a2.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
}
// Query for the node in DC2 from DC1.
req, _ := http.NewRequest("GET", "/v1/catalog/node/foo?dc=dc2", nil)
resp1 := httptest.NewRecorder()
obj1, err1 := a1.srv.CatalogNodeServices(resp1, req)
if err1 != nil {
t.Fatalf("err: %v", err1)
}
assertIndex(t, resp1)
// Expect that DC1 gives us a WAN address (since the node is in DC2).
services1 := obj1.(*structs.NodeServices)
if len(services1.Services) != 1 {
t.Fatalf("bad: %v", obj1)
}
service1 := services1.Node
if service1.Address != "127.0.0.2" {
t.Fatalf("bad: %v", service1)
}
// Query DC2 from DC2.
resp2 := httptest.NewRecorder()
obj2, err2 := a2.srv.CatalogNodeServices(resp2, req)
if err2 != nil {
t.Fatalf("err: %v", err2)
}
assertIndex(t, resp2)
// Expect that DC2 gives us a private address (since the node is in DC2).
services2 := obj2.(*structs.NodeServices)
if len(services2.Services) != 1 {
t.Fatalf("bad: %v", obj2)
}
service2 := services2.Node
if service2.Address != "127.0.0.1" {
t.Fatalf("bad: %v", service2)
}
}