725 lines
17 KiB
Go
725 lines
17 KiB
Go
package consul
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import (
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"fmt"
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"github.com/hashicorp/consul/consul/structs"
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"github.com/hashicorp/consul/testutil"
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"net/rpc"
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"os"
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"sort"
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"strings"
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"testing"
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"time"
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)
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func TestCatalogRegister(t *testing.T) {
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dir1, s1 := testServer(t)
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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client := rpcClient(t, s1)
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defer client.Close()
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arg := structs.RegisterRequest{
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Datacenter: "dc1",
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Node: "foo",
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Address: "127.0.0.1",
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Service: &structs.NodeService{
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Service: "db",
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Tags: []string{"master"},
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Port: 8000,
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},
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}
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var out struct{}
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err := client.Call("Catalog.Register", &arg, &out)
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if err == nil || err.Error() != "No cluster leader" {
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t.Fatalf("err: %v", err)
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}
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testutil.WaitForResult(func() (bool, error) {
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err := client.Call("Catalog.Register", &arg, &out)
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return err == nil, err
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}, func(err error) {
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t.Fatalf("err: %v", err)
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})
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}
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func TestCatalogRegister_ForwardLeader(t *testing.T) {
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dir1, s1 := testServer(t)
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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client1 := rpcClient(t, s1)
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defer client1.Close()
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dir2, s2 := testServer(t)
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defer os.RemoveAll(dir2)
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defer s2.Shutdown()
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client2 := rpcClient(t, s2)
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defer client2.Close()
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// Try to join
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addr := fmt.Sprintf("127.0.0.1:%d",
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s1.config.SerfLANConfig.MemberlistConfig.BindPort)
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if _, err := s2.JoinLAN([]string{addr}); err != nil {
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t.Fatalf("err: %v", err)
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}
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testutil.WaitForLeader(t, client1.Call, "dc1")
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testutil.WaitForLeader(t, client2.Call, "dc1")
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// Use the follower as the client
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var client *rpc.Client
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if !s1.IsLeader() {
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client = client1
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} else {
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client = client2
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}
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arg := structs.RegisterRequest{
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Datacenter: "dc1",
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Node: "foo",
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Address: "127.0.0.1",
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Service: &structs.NodeService{
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Service: "db",
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Tags: []string{"master"},
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Port: 8000,
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},
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}
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var out struct{}
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if err := client.Call("Catalog.Register", &arg, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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}
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func TestCatalogRegister_ForwardDC(t *testing.T) {
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dir1, s1 := testServer(t)
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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client := rpcClient(t, s1)
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defer client.Close()
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dir2, s2 := testServerDC(t, "dc2")
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defer os.RemoveAll(dir2)
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defer s2.Shutdown()
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// Try to join
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addr := fmt.Sprintf("127.0.0.1:%d",
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s1.config.SerfWANConfig.MemberlistConfig.BindPort)
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if _, err := s2.JoinWAN([]string{addr}); err != nil {
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t.Fatalf("err: %v", err)
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}
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testutil.WaitForLeader(t, client.Call, "dc2")
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arg := structs.RegisterRequest{
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Datacenter: "dc2", // SHould forward through s1
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Node: "foo",
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Address: "127.0.0.1",
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Service: &structs.NodeService{
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Service: "db",
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Tags: []string{"master"},
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Port: 8000,
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},
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}
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var out struct{}
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if err := client.Call("Catalog.Register", &arg, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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}
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func TestCatalogDeregister(t *testing.T) {
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dir1, s1 := testServer(t)
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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client := rpcClient(t, s1)
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defer client.Close()
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arg := structs.DeregisterRequest{
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Datacenter: "dc1",
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Node: "foo",
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}
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var out struct{}
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err := client.Call("Catalog.Deregister", &arg, &out)
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if err == nil || err.Error() != "No cluster leader" {
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t.Fatalf("err: %v", err)
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}
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testutil.WaitForLeader(t, client.Call, "dc1")
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if err := client.Call("Catalog.Deregister", &arg, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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}
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func TestCatalogListDatacenters(t *testing.T) {
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dir1, s1 := testServer(t)
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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client := rpcClient(t, s1)
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defer client.Close()
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dir2, s2 := testServerDC(t, "dc2")
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defer os.RemoveAll(dir2)
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defer s2.Shutdown()
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// Try to join
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addr := fmt.Sprintf("127.0.0.1:%d",
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s1.config.SerfWANConfig.MemberlistConfig.BindPort)
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if _, err := s2.JoinWAN([]string{addr}); err != nil {
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t.Fatalf("err: %v", err)
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}
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testutil.WaitForLeader(t, client.Call, "dc1")
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var out []string
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if err := client.Call("Catalog.ListDatacenters", struct{}{}, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Sort the dcs
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sort.Strings(out)
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if len(out) != 2 {
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t.Fatalf("bad: %v", out)
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}
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if out[0] != "dc1" {
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t.Fatalf("bad: %v", out)
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}
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if out[1] != "dc2" {
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t.Fatalf("bad: %v", out)
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}
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}
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func TestCatalogListNodes(t *testing.T) {
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dir1, s1 := testServer(t)
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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client := rpcClient(t, s1)
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defer client.Close()
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args := structs.DCSpecificRequest{
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Datacenter: "dc1",
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}
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var out structs.IndexedNodes
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err := client.Call("Catalog.ListNodes", &args, &out)
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if err == nil || err.Error() != "No cluster leader" {
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t.Fatalf("err: %v", err)
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}
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testutil.WaitForLeader(t, client.Call, "dc1")
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// Just add a node
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s1.fsm.State().EnsureNode(1, structs.Node{"foo", "127.0.0.1"})
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testutil.WaitForResult(func() (bool, error) {
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client.Call("Catalog.ListNodes", &args, &out)
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return len(out.Nodes) == 2, nil
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}, func(err error) {
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t.Fatalf("err: %v", err)
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})
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// Server node is auto added from Serf
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if out.Nodes[0].Node != s1.config.NodeName {
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t.Fatalf("bad: %v", out)
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}
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if out.Nodes[1].Node != "foo" {
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t.Fatalf("bad: %v", out)
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}
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if out.Nodes[1].Address != "127.0.0.1" {
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t.Fatalf("bad: %v", out)
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}
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}
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func TestCatalogListNodes_StaleRaad(t *testing.T) {
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dir1, s1 := testServer(t)
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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client1 := rpcClient(t, s1)
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defer client1.Close()
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dir2, s2 := testServerDCBootstrap(t, "dc1", false)
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defer os.RemoveAll(dir2)
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defer s2.Shutdown()
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client2 := rpcClient(t, s2)
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defer client2.Close()
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// Try to join
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addr := fmt.Sprintf("127.0.0.1:%d",
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s1.config.SerfLANConfig.MemberlistConfig.BindPort)
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if _, err := s2.JoinLAN([]string{addr}); err != nil {
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t.Fatalf("err: %v", err)
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}
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testutil.WaitForLeader(t, client1.Call, "dc1")
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testutil.WaitForLeader(t, client2.Call, "dc1")
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// Use the follower as the client
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var client *rpc.Client
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if !s1.IsLeader() {
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client = client1
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// Inject fake data on the follower!
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s1.fsm.State().EnsureNode(1, structs.Node{"foo", "127.0.0.1"})
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} else {
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client = client2
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// Inject fake data on the follower!
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s2.fsm.State().EnsureNode(1, structs.Node{"foo", "127.0.0.1"})
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}
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args := structs.DCSpecificRequest{
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Datacenter: "dc1",
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QueryOptions: structs.QueryOptions{AllowStale: true},
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}
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var out structs.IndexedNodes
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if err := client.Call("Catalog.ListNodes", &args, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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found := false
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for _, n := range out.Nodes {
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if n.Node == "foo" {
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found = true
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}
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}
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if !found {
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t.Fatalf("failed to find foo")
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}
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if out.QueryMeta.LastContact == 0 {
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t.Fatalf("should have a last contact time")
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}
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if !out.QueryMeta.KnownLeader {
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t.Fatalf("should have known leader")
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}
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}
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func TestCatalogListNodes_ConsistentRead_Fail(t *testing.T) {
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dir1, s1 := testServer(t)
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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client1 := rpcClient(t, s1)
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defer client1.Close()
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dir2, s2 := testServerDCBootstrap(t, "dc1", false)
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defer os.RemoveAll(dir2)
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defer s2.Shutdown()
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client2 := rpcClient(t, s2)
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defer client2.Close()
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// Try to join
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addr := fmt.Sprintf("127.0.0.1:%d",
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s1.config.SerfLANConfig.MemberlistConfig.BindPort)
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if _, err := s2.JoinLAN([]string{addr}); err != nil {
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t.Fatalf("err: %v", err)
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}
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testutil.WaitForLeader(t, client1.Call, "dc1")
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testutil.WaitForLeader(t, client2.Call, "dc1")
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// Use the leader as the client, kill the follower
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var client *rpc.Client
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if s1.IsLeader() {
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client = client1
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s2.Shutdown()
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} else {
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client = client2
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s1.Shutdown()
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}
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args := structs.DCSpecificRequest{
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Datacenter: "dc1",
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QueryOptions: structs.QueryOptions{RequireConsistent: true},
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}
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var out structs.IndexedNodes
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if err := client.Call("Catalog.ListNodes", &args, &out); !strings.HasPrefix(err.Error(), "leadership lost") {
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t.Fatalf("err: %v", err)
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}
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if out.QueryMeta.LastContact != 0 {
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t.Fatalf("should not have a last contact time")
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}
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if out.QueryMeta.KnownLeader {
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t.Fatalf("should have no known leader")
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}
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}
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func TestCatalogListNodes_ConsistentRead(t *testing.T) {
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dir1, s1 := testServer(t)
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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client1 := rpcClient(t, s1)
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defer client1.Close()
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dir2, s2 := testServerDCBootstrap(t, "dc1", false)
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defer os.RemoveAll(dir2)
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defer s2.Shutdown()
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client2 := rpcClient(t, s2)
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defer client2.Close()
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// Try to join
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addr := fmt.Sprintf("127.0.0.1:%d",
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s1.config.SerfLANConfig.MemberlistConfig.BindPort)
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if _, err := s2.JoinLAN([]string{addr}); err != nil {
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t.Fatalf("err: %v", err)
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}
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testutil.WaitForLeader(t, client1.Call, "dc1")
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testutil.WaitForLeader(t, client2.Call, "dc1")
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// Use the leader as the client, kill the follower
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var client *rpc.Client
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if s1.IsLeader() {
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client = client1
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} else {
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client = client2
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}
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args := structs.DCSpecificRequest{
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Datacenter: "dc1",
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QueryOptions: structs.QueryOptions{RequireConsistent: true},
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}
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var out structs.IndexedNodes
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if err := client.Call("Catalog.ListNodes", &args, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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if out.QueryMeta.LastContact != 0 {
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t.Fatalf("should not have a last contact time")
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}
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if !out.QueryMeta.KnownLeader {
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t.Fatalf("should have known leader")
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}
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}
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func BenchmarkCatalogListNodes(t *testing.B) {
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dir1, s1 := testServer(nil)
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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client := rpcClient(nil, s1)
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defer client.Close()
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// Just add a node
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s1.fsm.State().EnsureNode(1, structs.Node{"foo", "127.0.0.1"})
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args := structs.DCSpecificRequest{
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Datacenter: "dc1",
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}
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for i := 0; i < t.N; i++ {
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var out structs.IndexedNodes
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if err := client.Call("Catalog.ListNodes", &args, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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}
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}
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func TestCatalogListServices(t *testing.T) {
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dir1, s1 := testServer(t)
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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client := rpcClient(t, s1)
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defer client.Close()
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args := structs.DCSpecificRequest{
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Datacenter: "dc1",
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}
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var out structs.IndexedServices
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err := client.Call("Catalog.ListServices", &args, &out)
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if err == nil || err.Error() != "No cluster leader" {
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t.Fatalf("err: %v", err)
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}
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testutil.WaitForLeader(t, client.Call, "dc1")
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// Just add a node
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s1.fsm.State().EnsureNode(1, structs.Node{"foo", "127.0.0.1"})
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s1.fsm.State().EnsureService(2, "foo", &structs.NodeService{"db", "db", []string{"primary"}, 5000})
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if err := client.Call("Catalog.ListServices", &args, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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if len(out.Services) != 2 {
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t.Fatalf("bad: %v", out)
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}
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for _, s := range out.Services {
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if s == nil {
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t.Fatalf("bad: %v", s)
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}
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}
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// Consul service should auto-register
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if _, ok := out.Services["consul"]; !ok {
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t.Fatalf("bad: %v", out)
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}
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if len(out.Services["db"]) != 1 {
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t.Fatalf("bad: %v", out)
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}
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if out.Services["db"][0] != "primary" {
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t.Fatalf("bad: %v", out)
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}
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}
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func TestCatalogListServices_Blocking(t *testing.T) {
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dir1, s1 := testServer(t)
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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client := rpcClient(t, s1)
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defer client.Close()
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args := structs.DCSpecificRequest{
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Datacenter: "dc1",
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}
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var out structs.IndexedServices
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testutil.WaitForLeader(t, client.Call, "dc1")
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// Run the query
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if err := client.Call("Catalog.ListServices", &args, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Setup a blocking query
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args.MinQueryIndex = out.Index
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args.MaxQueryTime = time.Second
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// Async cause a change
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start := time.Now()
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go func() {
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time.Sleep(100 * time.Millisecond)
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s1.fsm.State().EnsureNode(1, structs.Node{"foo", "127.0.0.1"})
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s1.fsm.State().EnsureService(2, "foo", &structs.NodeService{"db", "db", []string{"primary"}, 5000})
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}()
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// Re-run the query
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out = structs.IndexedServices{}
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if err := client.Call("Catalog.ListServices", &args, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Should block at least 100ms
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if time.Now().Sub(start) < 100*time.Millisecond {
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t.Fatalf("too fast")
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}
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// Check the indexes
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if out.Index != 2 {
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t.Fatalf("bad: %v", out)
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}
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// Should find the service
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if len(out.Services) != 2 {
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t.Fatalf("bad: %v", out)
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}
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}
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func TestCatalogListServices_Timeout(t *testing.T) {
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dir1, s1 := testServer(t)
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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client := rpcClient(t, s1)
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defer client.Close()
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args := structs.DCSpecificRequest{
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Datacenter: "dc1",
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}
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|
var out structs.IndexedServices
|
|
|
|
testutil.WaitForLeader(t, client.Call, "dc1")
|
|
|
|
// Run the query
|
|
if err := client.Call("Catalog.ListServices", &args, &out); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Setup a blocking query
|
|
args.MinQueryIndex = out.Index
|
|
args.MaxQueryTime = 100 * time.Millisecond
|
|
|
|
// Re-run the query
|
|
start := time.Now()
|
|
out = structs.IndexedServices{}
|
|
if err := client.Call("Catalog.ListServices", &args, &out); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Should block at least 100ms
|
|
if time.Now().Sub(start) < 100*time.Millisecond {
|
|
// TODO: Failing
|
|
t.Fatalf("too fast")
|
|
}
|
|
|
|
// Check the indexes, should not change
|
|
if out.Index != args.MinQueryIndex {
|
|
t.Fatalf("bad: %v", out)
|
|
}
|
|
}
|
|
|
|
func TestCatalogListServices_Stale(t *testing.T) {
|
|
dir1, s1 := testServer(t)
|
|
defer os.RemoveAll(dir1)
|
|
defer s1.Shutdown()
|
|
client := rpcClient(t, s1)
|
|
defer client.Close()
|
|
|
|
args := structs.DCSpecificRequest{
|
|
Datacenter: "dc1",
|
|
}
|
|
args.AllowStale = true
|
|
var out structs.IndexedServices
|
|
|
|
// Inject a fake service
|
|
s1.fsm.State().EnsureNode(1, structs.Node{"foo", "127.0.0.1"})
|
|
s1.fsm.State().EnsureService(2, "foo", &structs.NodeService{"db", "db", []string{"primary"}, 5000})
|
|
|
|
// Run the query, do not wait for leader!
|
|
if err := client.Call("Catalog.ListServices", &args, &out); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Should find the service
|
|
if len(out.Services) != 1 {
|
|
t.Fatalf("bad: %v", out)
|
|
}
|
|
|
|
// Should not have a leader! Stale read
|
|
if out.KnownLeader {
|
|
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.IndexedServiceNodes
|
|
err := client.Call("Catalog.ServiceNodes", &args, &out)
|
|
if err == nil || err.Error() != "No cluster leader" {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
testutil.WaitForLeader(t, client.Call, "dc1")
|
|
|
|
// Just add a node
|
|
s1.fsm.State().EnsureNode(1, structs.Node{"foo", "127.0.0.1"})
|
|
s1.fsm.State().EnsureService(2, "foo", &structs.NodeService{"db", "db", []string{"primary"}, 5000})
|
|
|
|
if err := client.Call("Catalog.ServiceNodes", &args, &out); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
if len(out.ServiceNodes) != 1 {
|
|
t.Fatalf("bad: %v", out)
|
|
}
|
|
|
|
// Try with a filter
|
|
args.TagFilter = true
|
|
out = structs.IndexedServiceNodes{}
|
|
|
|
if err := client.Call("Catalog.ServiceNodes", &args, &out); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if len(out.ServiceNodes) != 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.IndexedNodeServices
|
|
err := client.Call("Catalog.NodeServices", &args, &out)
|
|
if err == nil || err.Error() != "No cluster leader" {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
testutil.WaitForLeader(t, client.Call, "dc1")
|
|
|
|
// Just add a node
|
|
s1.fsm.State().EnsureNode(1, structs.Node{"foo", "127.0.0.1"})
|
|
s1.fsm.State().EnsureService(2, "foo", &structs.NodeService{"db", "db", []string{"primary"}, 5000})
|
|
s1.fsm.State().EnsureService(3, "foo", &structs.NodeService{"web", "web", nil, 80})
|
|
|
|
if err := client.Call("Catalog.NodeServices", &args, &out); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
if out.NodeServices.Node.Address != "127.0.0.1" {
|
|
t.Fatalf("bad: %v", out)
|
|
}
|
|
if len(out.NodeServices.Services) != 2 {
|
|
t.Fatalf("bad: %v", out)
|
|
}
|
|
services := out.NodeServices.Services
|
|
if !strContains(services["db"].Tags, "primary") || services["db"].Port != 5000 {
|
|
t.Fatalf("bad: %v", out)
|
|
}
|
|
if services["web"].Tags != nil || 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",
|
|
Tags: nil,
|
|
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)
|
|
}
|
|
|
|
testutil.WaitForLeader(t, client.Call, "dc1")
|
|
|
|
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 out2 structs.IndexedServiceNodes
|
|
if err := client.Call("Catalog.ServiceNodes", query, &out2); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Check the output
|
|
if len(out2.ServiceNodes) != 1 {
|
|
t.Fatalf("Bad: %v", out2)
|
|
}
|
|
}
|