696 lines
17 KiB
Go
696 lines
17 KiB
Go
package consul
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import (
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"errors"
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"fmt"
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"io/ioutil"
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"net"
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"os"
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"strings"
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"sync/atomic"
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"testing"
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"time"
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"github.com/hashicorp/consul/testutil"
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)
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var nextPort int32 = 15000
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func getPort() int {
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return int(atomic.AddInt32(&nextPort, 1))
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}
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func tmpDir(t *testing.T) string {
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dir, err := ioutil.TempDir("", "consul")
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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return dir
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}
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func configureTLS(config *Config) {
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config.CAFile = "../test/ca/root.cer"
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config.CertFile = "../test/key/ourdomain.cer"
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config.KeyFile = "../test/key/ourdomain.key"
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}
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func testServerConfig(t *testing.T, NodeName string) (string, *Config) {
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dir := tmpDir(t)
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config := DefaultConfig()
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config.NodeName = NodeName
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config.Bootstrap = true
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config.Datacenter = "dc1"
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config.DataDir = dir
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config.RPCAddr = &net.TCPAddr{
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IP: []byte{127, 0, 0, 1},
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Port: getPort(),
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}
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config.SerfLANConfig.MemberlistConfig.BindAddr = "127.0.0.1"
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config.SerfLANConfig.MemberlistConfig.BindPort = getPort()
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config.SerfLANConfig.MemberlistConfig.SuspicionMult = 2
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config.SerfLANConfig.MemberlistConfig.ProbeTimeout = 50 * time.Millisecond
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config.SerfLANConfig.MemberlistConfig.ProbeInterval = 100 * time.Millisecond
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config.SerfLANConfig.MemberlistConfig.GossipInterval = 100 * time.Millisecond
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config.SerfWANConfig.MemberlistConfig.BindAddr = "127.0.0.1"
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config.SerfWANConfig.MemberlistConfig.BindPort = getPort()
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config.SerfWANConfig.MemberlistConfig.SuspicionMult = 2
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config.SerfWANConfig.MemberlistConfig.ProbeTimeout = 50 * time.Millisecond
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config.SerfWANConfig.MemberlistConfig.ProbeInterval = 100 * time.Millisecond
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config.SerfWANConfig.MemberlistConfig.GossipInterval = 100 * time.Millisecond
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config.RaftConfig.LeaderLeaseTimeout = 20 * time.Millisecond
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config.RaftConfig.HeartbeatTimeout = 40 * time.Millisecond
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config.RaftConfig.ElectionTimeout = 40 * time.Millisecond
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config.ReconcileInterval = 100 * time.Millisecond
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config.DisableCoordinates = false
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config.CoordinateUpdatePeriod = 100 * time.Millisecond
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return dir, config
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}
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func testServer(t *testing.T) (string, *Server) {
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return testServerDC(t, "dc1")
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}
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func testServerDC(t *testing.T, dc string) (string, *Server) {
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return testServerDCBootstrap(t, dc, true)
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}
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func testServerDCBootstrap(t *testing.T, dc string, bootstrap bool) (string, *Server) {
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name := fmt.Sprintf("Node %d", getPort())
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dir, config := testServerConfig(t, name)
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config.Datacenter = dc
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config.Bootstrap = bootstrap
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server, err := NewServer(config)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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return dir, server
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}
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func testServerDCExpect(t *testing.T, dc string, expect int) (string, *Server) {
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name := fmt.Sprintf("Node %d", getPort())
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dir, config := testServerConfig(t, name)
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config.Datacenter = dc
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config.Bootstrap = false
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config.BootstrapExpect = expect
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server, err := NewServer(config)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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return dir, server
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}
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func testServerWithConfig(t *testing.T, cb func(c *Config)) (string, *Server) {
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name := fmt.Sprintf("Node %d", getPort())
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dir, config := testServerConfig(t, name)
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cb(config)
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server, err := NewServer(config)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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return dir, server
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}
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func TestServer_StartStop(t *testing.T) {
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dir := tmpDir(t)
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defer os.RemoveAll(dir)
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config := DefaultConfig()
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config.DataDir = dir
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// Advertise on localhost.
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private, _, err := net.ParseCIDR("127.0.0.1/32")
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if err != nil {
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t.Fatalf("failed to parse 127.0.0.1 cidr: %v", err)
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}
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config.RPCAdvertise = &net.TCPAddr{
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IP: private,
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Port: 8300,
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}
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server, err := NewServer(config)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if err := server.Shutdown(); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Idempotent
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if err := server.Shutdown(); err != nil {
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t.Fatalf("err: %v", err)
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}
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}
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func TestServer_JoinLAN(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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dir2, s2 := testServer(t)
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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.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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// Check the members
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testutil.WaitForResult(func() (bool, error) {
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return len(s1.LANMembers()) == 2, nil
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}, func(err error) {
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t.Fatalf("bad len")
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})
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testutil.WaitForResult(func() (bool, error) {
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return len(s2.LANMembers()) == 2, nil
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}, func(err error) {
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t.Fatalf("bad len")
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})
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}
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func TestServer_JoinWAN(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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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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// Check the members
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testutil.WaitForResult(func() (bool, error) {
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return len(s1.WANMembers()) == 2, nil
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}, func(err error) {
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t.Fatalf("bad len")
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})
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testutil.WaitForResult(func() (bool, error) {
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return len(s2.WANMembers()) == 2, nil
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}, func(err error) {
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t.Fatalf("bad len")
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})
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// Check the remoteConsuls has both
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if len(s1.remoteConsuls) != 2 {
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t.Fatalf("remote consul missing")
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}
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testutil.WaitForResult(func() (bool, error) {
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return len(s2.remoteConsuls) == 2, nil
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}, func(err error) {
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t.Fatalf("remote consul missing")
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})
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}
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func TestServer_JoinSeparateLanAndWanAddresses(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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dir2, s2 := testServerWithConfig(t, func(c *Config) {
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c.NodeName = "s2"
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c.Datacenter = "dc2"
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// This wan address will be expected to be seen on s1
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c.SerfWANConfig.MemberlistConfig.AdvertiseAddr = "127.0.0.2"
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// This lan address will be expected to be seen on s3
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c.SerfLANConfig.MemberlistConfig.AdvertiseAddr = "127.0.0.3"
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})
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defer os.RemoveAll(dir2)
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defer s2.Shutdown()
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dir3, s3 := testServerDC(t, "dc2")
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defer os.RemoveAll(dir3)
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defer s3.Shutdown()
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// Join s2 to s1 on wan
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addrs1 := 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{addrs1}); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Join s3 to s2 on lan
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addrs2 := fmt.Sprintf("127.0.0.1:%d",
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s2.config.SerfLANConfig.MemberlistConfig.BindPort)
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if _, err := s3.JoinLAN([]string{addrs2}); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Check the WAN members on s1
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testutil.WaitForResult(func() (bool, error) {
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return len(s1.WANMembers()) == 2, nil
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}, func(err error) {
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t.Fatalf("bad len")
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})
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// Check the WAN members on s2
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testutil.WaitForResult(func() (bool, error) {
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return len(s2.WANMembers()) == 2, nil
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}, func(err error) {
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t.Fatalf("bad len")
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})
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// Check the LAN members on s2
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testutil.WaitForResult(func() (bool, error) {
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return len(s2.LANMembers()) == 2, nil
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}, func(err error) {
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t.Fatalf("bad len")
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})
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// Check the LAN members on s3
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testutil.WaitForResult(func() (bool, error) {
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return len(s3.LANMembers()) == 2, nil
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}, func(err error) {
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t.Fatalf("bad len")
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})
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// Check the remoteConsuls has both
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if len(s1.remoteConsuls) != 2 {
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t.Fatalf("remote consul missing")
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}
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if len(s2.remoteConsuls) != 2 {
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t.Fatalf("remote consul missing")
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}
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if len(s2.localConsuls) != 2 {
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t.Fatalf("local consul fellow s3 for s2 missing")
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}
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// Get and check the wan address of s2 from s1
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var s2WanAddr string
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for _, member := range s1.WANMembers() {
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if member.Name == "s2.dc2" {
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s2WanAddr = member.Addr.String()
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}
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}
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if s2WanAddr != "127.0.0.2" {
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t.Fatalf("s1 sees s2 on a wrong address: %s, expecting: %s", s2WanAddr, "127.0.0.2")
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}
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// Get and check the lan address of s2 from s3
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var s2LanAddr string
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for _, lanmember := range s3.LANMembers() {
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if lanmember.Name == "s2" {
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s2LanAddr = lanmember.Addr.String()
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}
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}
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if s2LanAddr != "127.0.0.3" {
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t.Fatalf("s3 sees s2 on a wrong address: %s, expecting: %s", s2LanAddr, "127.0.0.3")
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}
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}
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func TestServer_LeaveLeader(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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// Second server not in bootstrap mode
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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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// 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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var p1 int
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var p2 int
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testutil.WaitForResult(func() (bool, error) {
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p1, _ = s1.numPeers()
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return p1 == 2, errors.New(fmt.Sprintf("%d", p1))
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}, func(err error) {
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t.Fatalf("should have 2 peers: %v", err)
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})
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testutil.WaitForResult(func() (bool, error) {
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p2, _ = s2.numPeers()
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return p2 == 2, errors.New(fmt.Sprintf("%d", p1))
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}, func(err error) {
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t.Fatalf("should have 2 peers: %v", err)
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})
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// Issue a leave to the leader
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for _, s := range []*Server{s1, s2} {
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if !s.IsLeader() {
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continue
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}
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if err := s.Leave(); err != nil {
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t.Fatalf("err: %v", err)
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}
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}
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// Should lose a peer
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for _, s := range []*Server{s1, s2} {
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testutil.WaitForResult(func() (bool, error) {
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p1, _ = s.numPeers()
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return p1 == 1, nil
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}, func(err error) {
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t.Fatalf("should have 1 peer: %v", p1)
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})
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}
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}
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func TestServer_Leave(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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// Second server not in bootstrap mode
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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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// 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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var p1 int
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var p2 int
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testutil.WaitForResult(func() (bool, error) {
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p1, _ = s1.numPeers()
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return p1 == 2, errors.New(fmt.Sprintf("%d", p1))
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}, func(err error) {
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t.Fatalf("should have 2 peers: %v", err)
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})
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testutil.WaitForResult(func() (bool, error) {
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p2, _ = s2.numPeers()
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return p2 == 2, errors.New(fmt.Sprintf("%d", p1))
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}, func(err error) {
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t.Fatalf("should have 2 peers: %v", err)
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})
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// Issue a leave to the non-leader
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for _, s := range []*Server{s1, s2} {
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if s.IsLeader() {
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continue
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}
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if err := s.Leave(); err != nil {
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t.Fatalf("err: %v", err)
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}
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}
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// Should lose a peer
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for _, s := range []*Server{s1, s2} {
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testutil.WaitForResult(func() (bool, error) {
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p1, _ = s.numPeers()
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return p1 == 1, nil
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}, func(err error) {
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t.Fatalf("should have 1 peer: %v", p1)
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})
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}
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}
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func TestServer_RPC(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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var out struct{}
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if err := s1.RPC("Status.Ping", struct{}{}, &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 TestServer_JoinLAN_TLS(t *testing.T) {
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dir1, conf1 := testServerConfig(t, "a.testco.internal")
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conf1.VerifyIncoming = true
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conf1.VerifyOutgoing = true
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configureTLS(conf1)
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s1, err := NewServer(conf1)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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dir2, conf2 := testServerConfig(t, "b.testco.internal")
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conf2.Bootstrap = false
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conf2.VerifyIncoming = true
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conf2.VerifyOutgoing = true
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configureTLS(conf2)
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s2, err := NewServer(conf2)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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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.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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// Check the members
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testutil.WaitForResult(func() (bool, error) {
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return len(s1.LANMembers()) == 2, nil
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}, func(err error) {
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t.Fatalf("bad len")
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})
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testutil.WaitForResult(func() (bool, error) {
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return len(s2.LANMembers()) == 2, nil
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}, func(err error) {
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t.Fatalf("bad len")
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})
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// Verify Raft has established a peer
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testutil.WaitForResult(func() (bool, error) {
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peers, _ := s1.numPeers()
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return peers == 2, nil
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}, func(err error) {
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t.Fatalf("no peer established")
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})
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testutil.WaitForResult(func() (bool, error) {
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peers, _ := s2.numPeers()
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return peers == 2, nil
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}, func(err error) {
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t.Fatalf("no peer established")
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})
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}
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func TestServer_Expect(t *testing.T) {
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// all test servers should be in expect=3 mode
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dir1, s1 := testServerDCExpect(t, "dc1", 3)
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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dir2, s2 := testServerDCExpect(t, "dc1", 3)
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defer os.RemoveAll(dir2)
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defer s2.Shutdown()
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dir3, s3 := testServerDCExpect(t, "dc1", 0)
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defer os.RemoveAll(dir3)
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defer s3.Shutdown()
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|
// 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)
|
|
}
|
|
|
|
var p1 int
|
|
var p2 int
|
|
|
|
// should have no peers yet
|
|
testutil.WaitForResult(func() (bool, error) {
|
|
p1, _ = s1.numPeers()
|
|
return p1 == 0, errors.New(fmt.Sprintf("%d", p1))
|
|
}, func(err error) {
|
|
t.Fatalf("should have 0 peers: %v", err)
|
|
})
|
|
|
|
testutil.WaitForResult(func() (bool, error) {
|
|
p2, _ = s2.numPeers()
|
|
return p2 == 0, errors.New(fmt.Sprintf("%d", p2))
|
|
}, func(err error) {
|
|
t.Fatalf("should have 0 peers: %v", err)
|
|
})
|
|
|
|
// join the third node
|
|
if _, err := s3.JoinLAN([]string{addr}); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
var p3 int
|
|
|
|
// should now have all three peers
|
|
testutil.WaitForResult(func() (bool, error) {
|
|
p1, _ = s1.numPeers()
|
|
return p1 == 3, errors.New(fmt.Sprintf("%d", p1))
|
|
}, func(err error) {
|
|
t.Fatalf("should have 3 peers: %v", err)
|
|
})
|
|
|
|
testutil.WaitForResult(func() (bool, error) {
|
|
p2, _ = s2.numPeers()
|
|
return p2 == 3, errors.New(fmt.Sprintf("%d", p2))
|
|
}, func(err error) {
|
|
t.Fatalf("should have 3 peers: %v", err)
|
|
})
|
|
|
|
testutil.WaitForResult(func() (bool, error) {
|
|
p3, _ = s3.numPeers()
|
|
return p3 == 3, errors.New(fmt.Sprintf("%d", p3))
|
|
}, func(err error) {
|
|
t.Fatalf("should have 3 peers: %v", err)
|
|
})
|
|
|
|
// check if there is one leader now
|
|
testutil.WaitForLeader(t, s1.RPC, "dc1")
|
|
}
|
|
|
|
func TestServer_BadExpect(t *testing.T) {
|
|
// this one is in expect=3 mode
|
|
dir1, s1 := testServerDCExpect(t, "dc1", 3)
|
|
defer os.RemoveAll(dir1)
|
|
defer s1.Shutdown()
|
|
|
|
// this one is in expect=2 mode
|
|
dir2, s2 := testServerDCExpect(t, "dc1", 2)
|
|
defer os.RemoveAll(dir2)
|
|
defer s2.Shutdown()
|
|
|
|
// and this one is in expect=3 mode
|
|
dir3, s3 := testServerDCExpect(t, "dc1", 3)
|
|
defer os.RemoveAll(dir3)
|
|
defer s3.Shutdown()
|
|
|
|
// 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)
|
|
}
|
|
|
|
var p1 int
|
|
var p2 int
|
|
|
|
// should have no peers yet
|
|
testutil.WaitForResult(func() (bool, error) {
|
|
p1, _ = s1.numPeers()
|
|
return p1 == 0, errors.New(fmt.Sprintf("%d", p1))
|
|
}, func(err error) {
|
|
t.Fatalf("should have 0 peers: %v", err)
|
|
})
|
|
|
|
testutil.WaitForResult(func() (bool, error) {
|
|
p2, _ = s2.numPeers()
|
|
return p2 == 0, errors.New(fmt.Sprintf("%d", p2))
|
|
}, func(err error) {
|
|
t.Fatalf("should have 0 peers: %v", err)
|
|
})
|
|
|
|
// join the third node
|
|
if _, err := s3.JoinLAN([]string{addr}); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
var p3 int
|
|
|
|
// should still have no peers (because s2 is in expect=2 mode)
|
|
testutil.WaitForResult(func() (bool, error) {
|
|
p1, _ = s1.numPeers()
|
|
return p1 == 0, errors.New(fmt.Sprintf("%d", p1))
|
|
}, func(err error) {
|
|
t.Fatalf("should have 0 peers: %v", err)
|
|
})
|
|
|
|
testutil.WaitForResult(func() (bool, error) {
|
|
p2, _ = s2.numPeers()
|
|
return p2 == 0, errors.New(fmt.Sprintf("%d", p2))
|
|
}, func(err error) {
|
|
t.Fatalf("should have 0 peers: %v", err)
|
|
})
|
|
|
|
testutil.WaitForResult(func() (bool, error) {
|
|
p3, _ = s3.numPeers()
|
|
return p3 == 0, errors.New(fmt.Sprintf("%d", p3))
|
|
}, func(err error) {
|
|
t.Fatalf("should have 0 peers: %v", err)
|
|
})
|
|
}
|
|
|
|
type fakeGlobalResp struct{}
|
|
|
|
func (r *fakeGlobalResp) Add(interface{}) {
|
|
return
|
|
}
|
|
|
|
func (r *fakeGlobalResp) New() interface{} {
|
|
return struct{}{}
|
|
}
|
|
|
|
func TestServer_globalRPCErrors(t *testing.T) {
|
|
dir1, s1 := testServerDC(t, "dc1")
|
|
defer os.RemoveAll(dir1)
|
|
defer s1.Shutdown()
|
|
|
|
testutil.WaitForResult(func() (bool, error) {
|
|
return len(s1.remoteConsuls) == 1, nil
|
|
}, func(err error) {
|
|
t.Fatalf("Server did not join LAN successfully")
|
|
})
|
|
|
|
// Check that an error from a remote DC is returned
|
|
err := s1.globalRPC("Bad.Method", nil, &fakeGlobalResp{})
|
|
if err == nil {
|
|
t.Fatalf("should have errored")
|
|
}
|
|
if !strings.Contains(err.Error(), "Bad.Method") {
|
|
t.Fatalf("unexpcted error: %s", err)
|
|
}
|
|
}
|
|
|
|
func TestServer_Encrypted(t *testing.T) {
|
|
dir1, s1 := testServer(t)
|
|
defer os.RemoveAll(dir1)
|
|
defer s1.Shutdown()
|
|
|
|
key := []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}
|
|
dir2, s2 := testServerWithConfig(t, func(c *Config) {
|
|
c.SerfLANConfig.MemberlistConfig.SecretKey = key
|
|
c.SerfWANConfig.MemberlistConfig.SecretKey = key
|
|
})
|
|
defer os.RemoveAll(dir2)
|
|
defer s2.Shutdown()
|
|
|
|
if s1.Encrypted() {
|
|
t.Fatalf("should not be encrypted")
|
|
}
|
|
if !s2.Encrypted() {
|
|
t.Fatalf("should be encrypted")
|
|
}
|
|
}
|