open-consul/consul/server_test.go
2014-05-30 20:57:39 +02:00

307 lines
7.2 KiB
Go

package consul
import (
"errors"
"fmt"
"github.com/hashicorp/consul/testutil"
"io/ioutil"
"net"
"os"
"testing"
"time"
)
var nextPort = 15000
func getPort() int {
p := nextPort
nextPort++
return p
}
func tmpDir(t *testing.T) string {
dir, err := ioutil.TempDir("", "consul")
if err != nil {
t.Fatalf("err: %v", err)
}
return dir
}
func configureTLS(config *Config) {
config.CAFile = "../test/ca/root.cer"
config.CertFile = "../test/key/ourdomain.cer"
config.KeyFile = "../test/key/ourdomain.key"
}
func testServerConfig(t *testing.T, NodeName string) (string, *Config) {
dir := tmpDir(t)
config := DefaultConfig()
config.NodeName = NodeName
config.Bootstrap = true
config.Datacenter = "dc1"
config.DataDir = dir
config.RPCAddr = &net.TCPAddr{
IP: []byte{127, 0, 0, 1},
Port: getPort(),
}
config.SerfLANConfig.MemberlistConfig.BindAddr = "127.0.0.1"
config.SerfLANConfig.MemberlistConfig.BindPort = getPort()
config.SerfLANConfig.MemberlistConfig.SuspicionMult = 2
config.SerfLANConfig.MemberlistConfig.ProbeTimeout = 50 * time.Millisecond
config.SerfLANConfig.MemberlistConfig.ProbeInterval = 100 * time.Millisecond
config.SerfLANConfig.MemberlistConfig.GossipInterval = 100 * time.Millisecond
config.SerfWANConfig.MemberlistConfig.BindAddr = "127.0.0.1"
config.SerfWANConfig.MemberlistConfig.BindPort = getPort()
config.SerfWANConfig.MemberlistConfig.SuspicionMult = 2
config.SerfWANConfig.MemberlistConfig.ProbeTimeout = 50 * time.Millisecond
config.SerfWANConfig.MemberlistConfig.ProbeInterval = 100 * time.Millisecond
config.SerfWANConfig.MemberlistConfig.GossipInterval = 100 * time.Millisecond
config.RaftConfig.LeaderLeaseTimeout = 20 * time.Millisecond
config.RaftConfig.HeartbeatTimeout = 40 * time.Millisecond
config.RaftConfig.ElectionTimeout = 40 * time.Millisecond
config.ReconcileInterval = 100 * time.Millisecond
return dir, config
}
func testServer(t *testing.T) (string, *Server) {
return testServerDC(t, "dc1")
}
func testServerDC(t *testing.T, dc string) (string, *Server) {
return testServerDCBootstrap(t, dc, true)
}
func testServerDCBootstrap(t *testing.T, dc string, bootstrap bool) (string, *Server) {
name := fmt.Sprintf("Node %d", getPort())
dir, config := testServerConfig(t, name)
config.Datacenter = dc
config.Bootstrap = bootstrap
server, err := NewServer(config)
if err != nil {
t.Fatalf("err: %v", err)
}
return dir, server
}
func TestServer_StartStop(t *testing.T) {
dir := tmpDir(t)
defer os.RemoveAll(dir)
config := DefaultConfig()
config.DataDir = dir
private, err := GetPrivateIP()
if err != nil {
t.Fatalf("err: %v", err)
}
config.RPCAdvertise = &net.TCPAddr{
IP: private,
Port: 8300,
}
server, err := NewServer(config)
if err != nil {
t.Fatalf("err: %v", err)
}
if err := server.Shutdown(); err != nil {
t.Fatalf("err: %v", err)
}
// Idempotent
if err := server.Shutdown(); err != nil {
t.Fatalf("err: %v", err)
}
}
func TestServer_JoinLAN(t *testing.T) {
dir1, s1 := testServer(t)
defer os.RemoveAll(dir1)
defer s1.Shutdown()
dir2, s2 := testServer(t)
defer os.RemoveAll(dir2)
defer s2.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)
}
// Check the members
testutil.WaitForResult(func() (bool, error) {
return len(s1.LANMembers()) == 2, nil
}, func(err error) {
t.Fatalf("bad len")
})
testutil.WaitForResult(func() (bool, error) {
return len(s2.LANMembers()) == 2, nil
}, func(err error) {
t.Fatalf("bad len")
})
}
func TestServer_JoinWAN(t *testing.T) {
dir1, s1 := testServer(t)
defer os.RemoveAll(dir1)
defer s1.Shutdown()
dir2, s2 := testServerDC(t, "dc2")
defer os.RemoveAll(dir2)
defer s2.Shutdown()
// Try to join
addr := fmt.Sprintf("127.0.0.1:%d",
s1.config.SerfWANConfig.MemberlistConfig.BindPort)
if _, err := s2.JoinWAN([]string{addr}); err != nil {
t.Fatalf("err: %v", err)
}
// Check the members
testutil.WaitForResult(func() (bool, error) {
return len(s1.WANMembers()) == 2, nil
}, func(err error) {
t.Fatalf("bad len")
})
testutil.WaitForResult(func() (bool, error) {
return len(s2.WANMembers()) == 2, nil
}, func(err error) {
t.Fatalf("bad len")
})
// Check the remoteConsuls has both
if len(s1.remoteConsuls) != 2 {
t.Fatalf("remote consul missing")
}
testutil.WaitForResult(func() (bool, error) {
return len(s2.remoteConsuls) == 2, nil
}, func(err error) {
t.Fatalf("remote consul missing")
})
}
func TestServer_Leave(t *testing.T) {
dir1, s1 := testServer(t)
defer os.RemoveAll(dir1)
defer s1.Shutdown()
// Second server not in bootstrap mode
dir2, s2 := testServerDCBootstrap(t, "dc1", false)
defer os.RemoveAll(dir2)
defer s2.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 []net.Addr
var p2 []net.Addr
testutil.WaitForResult(func() (bool, error) {
p1, _ = s1.raftPeers.Peers()
return len(p1) == 2, errors.New(fmt.Sprintf("%v", p1))
}, func(err error) {
t.Fatalf("should have 2 peers: %v", err)
})
testutil.WaitForResult(func() (bool, error) {
p2, _ = s2.raftPeers.Peers()
return len(p2) == 2, errors.New(fmt.Sprintf("%v", p1))
}, func(err error) {
t.Fatalf("should have 2 peers: %v", err)
})
// Issue a leave
if err := s2.Leave(); err != nil {
t.Fatalf("err: %v", err)
}
// Should lose a peer
p1, _ = s1.raftPeers.Peers()
if len(p1) != 1 {
t.Fatalf("should have 1 peer: %v", p1)
}
}
func TestServer_RPC(t *testing.T) {
dir1, s1 := testServer(t)
defer os.RemoveAll(dir1)
defer s1.Shutdown()
var out struct{}
if err := s1.RPC("Status.Ping", struct{}{}, &out); err != nil {
t.Fatalf("err: %v", err)
}
}
func TestServer_JoinLAN_TLS(t *testing.T) {
dir1, conf1 := testServerConfig(t, "a.testco.internal")
conf1.VerifyIncoming = true
conf1.VerifyOutgoing = true
configureTLS(conf1)
s1, err := NewServer(conf1)
if err != nil {
t.Fatalf("err: %v", err)
}
defer os.RemoveAll(dir1)
defer s1.Shutdown()
dir2, conf2 := testServerConfig(t, "b.testco.internal")
conf2.Bootstrap = false
conf2.VerifyIncoming = true
conf2.VerifyOutgoing = true
configureTLS(conf2)
s2, err := NewServer(conf2)
if err != nil {
t.Fatalf("err: %v", err)
}
defer os.RemoveAll(dir2)
defer s2.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)
}
// Check the members
testutil.WaitForResult(func() (bool, error) {
return len(s1.LANMembers()) == 2, nil
}, func(err error) {
t.Fatalf("bad len")
})
testutil.WaitForResult(func() (bool, error) {
return len(s2.LANMembers()) == 2, nil
}, func(err error) {
t.Fatalf("bad len")
})
// Verify Raft has established a peer
testutil.WaitForResult(func() (bool, error) {
return s1.Stats()["raft"]["num_peers"] == "1", nil
}, func(err error) {
t.Fatalf("no peer established")
})
testutil.WaitForResult(func() (bool, error) {
return s2.Stats()["raft"]["num_peers"] == "1", nil
}, func(err error) {
t.Fatalf("no peer established")
})
}