open-consul/command/agent/catalog_endpoint_test.go

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package agent
import (
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"fmt"
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"net/http"
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"net/http/httptest"
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"os"
"testing"
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"time"
"github.com/hashicorp/consul/consul/structs"
"github.com/hashicorp/consul/testutil"
"github.com/hashicorp/serf/coordinate"
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)
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func TestCatalogRegister(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
testutil.WaitForLeader(t, srv.agent.RPC, "dc1")
// Register node
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req, err := http.NewRequest("GET", "/v1/catalog/register", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
args := &structs.RegisterRequest{
Node: "foo",
Address: "127.0.0.1",
}
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req.Body = encodeReq(args)
obj, err := srv.CatalogRegister(nil, req)
if err != nil {
t.Fatalf("err: %v", err)
}
res := obj.(bool)
if res != true {
t.Fatalf("bad: %v", res)
}
// Service should be in sync
if err := srv.agent.state.syncService("foo"); err != nil {
t.Fatalf("err: %s", err)
}
if _, ok := srv.agent.state.serviceStatus["foo"]; !ok {
t.Fatalf("bad: %#v", srv.agent.state.serviceStatus)
}
if !srv.agent.state.serviceStatus["foo"].inSync {
t.Fatalf("should be in sync")
}
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}
func TestCatalogDeregister(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
testutil.WaitForLeader(t, srv.agent.RPC, "dc1")
// Register node
req, err := http.NewRequest("GET", "/v1/catalog/deregister", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
args := &structs.DeregisterRequest{
Node: "foo",
}
req.Body = encodeReq(args)
obj, err := srv.CatalogDeregister(nil, req)
if err != nil {
t.Fatalf("err: %v", err)
}
res := obj.(bool)
if res != true {
t.Fatalf("bad: %v", res)
}
}
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func TestCatalogDatacenters(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
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testutil.WaitForResult(func() (bool, error) {
obj, err := srv.CatalogDatacenters(nil, nil)
if err != nil {
return false, err
}
dcs := obj.([]string)
if len(dcs) != 1 {
return false, fmt.Errorf("missing dc: %v", dcs)
}
return true, nil
}, func(err error) {
t.Fatalf("bad: %v", err)
})
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}
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func TestCatalogNodes(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
testutil.WaitForLeader(t, srv.agent.RPC, "dc1")
// Register node
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args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.1",
}
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var out struct{}
if err := srv.agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
req, err := http.NewRequest("GET", "/v1/catalog/nodes?dc=dc1", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
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resp := httptest.NewRecorder()
obj, err := srv.CatalogNodes(resp, req)
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if err != nil {
t.Fatalf("err: %v", err)
}
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// Verify an index is set
assertIndex(t, resp)
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nodes := obj.(structs.Nodes)
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if len(nodes) != 2 {
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t.Fatalf("bad: %v", obj)
}
}
func TestCatalogNodes_WanTranslation(t *testing.T) {
dir1, srv1 := makeHTTPServerWithConfig(t,
func(c *Config) {
c.Datacenter = "dc1"
c.TranslateWanAddrs = true
})
defer os.RemoveAll(dir1)
defer srv1.Shutdown()
defer srv1.agent.Shutdown()
testutil.WaitForLeader(t, srv1.agent.RPC, "dc1")
dir2, srv2 := makeHTTPServerWithConfig(t,
func(c *Config) {
c.Datacenter = "dc2"
c.TranslateWanAddrs = true
})
defer os.RemoveAll(dir2)
defer srv2.Shutdown()
defer srv2.agent.Shutdown()
testutil.WaitForLeader(t, srv2.agent.RPC, "dc2")
// Wait for the WAN join.
addr := fmt.Sprintf("127.0.0.1:%d",
srv1.agent.config.Ports.SerfWan)
if _, err := srv2.agent.JoinWAN([]string{addr}); err != nil {
t.Fatalf("err: %v", err)
}
testutil.WaitForResult(
func() (bool, error) {
return len(srv1.agent.WANMembers()) > 1, nil
},
func(err error) {
t.Fatalf("Failed waiting for WAN join: %v", err)
})
// 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 := srv2.agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
}
// Query nodes in DC2 from DC1.
req, err := http.NewRequest("GET", "/v1/catalog/nodes?dc=dc2", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
resp1 := httptest.NewRecorder()
obj1, err1 := srv1.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 := srv2.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)
}
}
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func TestCatalogNodes_Blocking(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
testutil.WaitForLeader(t, srv.agent.RPC, "dc1")
// Register node
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args := &structs.DCSpecificRequest{
Datacenter: "dc1",
}
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var out structs.IndexedNodes
if err := srv.agent.RPC("Catalog.ListNodes", *args, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Do an update in a little while
start := time.Now()
go func() {
time.Sleep(50 * time.Millisecond)
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args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.1",
}
var out struct{}
if err := srv.agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
}()
// Do a blocking read
req, err := http.NewRequest("GET",
fmt.Sprintf("/v1/catalog/nodes?wait=60s&index=%d", out.Index), nil)
if err != nil {
t.Fatalf("err: %v", err)
}
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resp := httptest.NewRecorder()
obj, err := srv.CatalogNodes(resp, req)
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if err != nil {
t.Fatalf("err: %v", err)
}
// Should block for a while
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if time.Now().Sub(start) < 50*time.Millisecond {
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t.Fatalf("too fast")
}
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if idx := getIndex(t, resp); idx <= out.Index {
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t.Fatalf("bad: %v", idx)
}
nodes := obj.(structs.Nodes)
if len(nodes) != 2 {
t.Fatalf("bad: %v", obj)
}
}
func TestCatalogNodes_DistanceSort(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
testutil.WaitForLeader(t, srv.agent.RPC, "dc1")
// Register nodes.
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.1",
}
var out struct{}
if err := srv.agent.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 := srv.agent.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, err := http.NewRequest("GET", "/v1/catalog/nodes?dc=dc1&near=foo", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
resp := httptest.NewRecorder()
obj, err := 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 != srv.agent.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 := srv.agent.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, err = http.NewRequest("GET", "/v1/catalog/nodes?dc=dc1&near=foo", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
resp = httptest.NewRecorder()
obj, err = 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 != srv.agent.config.NodeName {
t.Fatalf("bad: %v", nodes)
}
}
func TestCatalogServices(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
testutil.WaitForLeader(t, srv.agent.RPC, "dc1")
// Register node
args := &structs.RegisterRequest{
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Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.1",
Service: &structs.NodeService{
Service: "api",
},
}
var out struct{}
if err := srv.agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
req, err := http.NewRequest("GET", "/v1/catalog/services?dc=dc1", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
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resp := httptest.NewRecorder()
obj, err := srv.CatalogServices(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
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assertIndex(t, resp)
services := obj.(structs.Services)
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if len(services) != 2 {
t.Fatalf("bad: %v", obj)
}
}
func TestCatalogServiceNodes(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
testutil.WaitForLeader(t, srv.agent.RPC, "dc1")
// Make sure an empty list is returned, not a nil
{
req, err := http.NewRequest("GET", "/v1/catalog/service/api?tag=a", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
resp := httptest.NewRecorder()
obj, err := 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{
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Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.1",
Service: &structs.NodeService{
Service: "api",
Tags: []string{"a"},
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},
}
var out struct{}
if err := srv.agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
req, err := http.NewRequest("GET", "/v1/catalog/service/api?tag=a", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
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resp := httptest.NewRecorder()
obj, err := srv.CatalogServiceNodes(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
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assertIndex(t, resp)
nodes := obj.(structs.ServiceNodes)
if len(nodes) != 1 {
t.Fatalf("bad: %v", obj)
}
}
func TestCatalogServiceNodes_WanTranslation(t *testing.T) {
dir1, srv1 := makeHTTPServerWithConfig(t,
func(c *Config) {
c.Datacenter = "dc1"
c.TranslateWanAddrs = true
})
defer os.RemoveAll(dir1)
defer srv1.Shutdown()
defer srv1.agent.Shutdown()
testutil.WaitForLeader(t, srv1.agent.RPC, "dc1")
dir2, srv2 := makeHTTPServerWithConfig(t,
func(c *Config) {
c.Datacenter = "dc2"
c.TranslateWanAddrs = true
})
defer os.RemoveAll(dir2)
defer srv2.Shutdown()
defer srv2.agent.Shutdown()
testutil.WaitForLeader(t, srv2.agent.RPC, "dc2")
// Wait for the WAN join.
addr := fmt.Sprintf("127.0.0.1:%d",
srv1.agent.config.Ports.SerfWan)
if _, err := srv2.agent.JoinWAN([]string{addr}); err != nil {
t.Fatalf("err: %v", err)
}
testutil.WaitForResult(
func() (bool, error) {
return len(srv1.agent.WANMembers()) > 1, nil
},
func(err error) {
t.Fatalf("Failed waiting for WAN join: %v", err)
})
// 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 := srv2.agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
}
// Query for the node in DC2 from DC1.
req, err := http.NewRequest("GET", "/v1/catalog/service/http_wan_translation_test?dc=dc2", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
resp1 := httptest.NewRecorder()
obj1, err1 := srv1.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 := srv2.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) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
testutil.WaitForLeader(t, srv.agent.RPC, "dc1")
// 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 := srv.agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
req, err := http.NewRequest("GET", "/v1/catalog/service/api?tag=a", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
args = &structs.RegisterRequest{
Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.2",
Service: &structs.NodeService{
Service: "api",
Tags: []string{"a"},
},
}
if err := srv.agent.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, err = http.NewRequest("GET", "/v1/catalog/service/api?tag=a&near=foo", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
resp := httptest.NewRecorder()
obj, err := 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 := srv.agent.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, err = http.NewRequest("GET", "/v1/catalog/service/api?tag=a&near=foo", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
resp = httptest.NewRecorder()
obj, err = 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) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
testutil.WaitForLeader(t, srv.agent.RPC, "dc1")
// Register node
args := &structs.RegisterRequest{
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Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.1",
Service: &structs.NodeService{
Service: "api",
Tags: []string{"a"},
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},
}
var out struct{}
if err := srv.agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
req, err := http.NewRequest("GET", "/v1/catalog/node/foo?dc=dc1", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
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resp := httptest.NewRecorder()
obj, err := srv.CatalogNodeServices(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
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assertIndex(t, resp)
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services := obj.(*structs.NodeServices)
if len(services.Services) != 1 {
t.Fatalf("bad: %v", obj)
}
}
func TestCatalogNodeServices_WanTranslation(t *testing.T) {
dir1, srv1 := makeHTTPServerWithConfig(t,
func(c *Config) {
c.Datacenter = "dc1"
c.TranslateWanAddrs = true
})
defer os.RemoveAll(dir1)
defer srv1.Shutdown()
defer srv1.agent.Shutdown()
testutil.WaitForLeader(t, srv1.agent.RPC, "dc1")
dir2, srv2 := makeHTTPServerWithConfig(t,
func(c *Config) {
c.Datacenter = "dc2"
c.TranslateWanAddrs = true
})
defer os.RemoveAll(dir2)
defer srv2.Shutdown()
defer srv2.agent.Shutdown()
testutil.WaitForLeader(t, srv2.agent.RPC, "dc2")
// Wait for the WAN join.
addr := fmt.Sprintf("127.0.0.1:%d",
srv1.agent.config.Ports.SerfWan)
if _, err := srv2.agent.JoinWAN([]string{addr}); err != nil {
t.Fatalf("err: %v", err)
}
testutil.WaitForResult(
func() (bool, error) {
return len(srv1.agent.WANMembers()) > 1, nil
},
func(err error) {
t.Fatalf("Failed waiting for WAN join: %v", err)
})
// 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 := srv2.agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
}
// Query for the node in DC2 from DC1.
req, err := http.NewRequest("GET", "/v1/catalog/node/foo?dc=dc2", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
resp1 := httptest.NewRecorder()
obj1, err1 := srv1.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 := srv2.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)
}
}