1066 lines
27 KiB
Go
1066 lines
27 KiB
Go
package consul
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import (
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"fmt"
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"log"
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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/agent/connect"
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"github.com/hashicorp/consul/agent/metadata"
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"github.com/hashicorp/consul/agent/structs"
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"github.com/hashicorp/consul/agent/token"
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"github.com/hashicorp/consul/sdk/freeport"
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"github.com/hashicorp/consul/sdk/testutil"
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"github.com/hashicorp/consul/sdk/testutil/retry"
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"github.com/hashicorp/consul/testrpc"
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"github.com/hashicorp/consul/tlsutil"
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"github.com/hashicorp/consul/types"
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"github.com/hashicorp/go-uuid"
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"golang.org/x/time/rate"
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"github.com/stretchr/testify/require"
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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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var id int64
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func uniqueNodeName(name string) string {
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return fmt.Sprintf("%s-node-%d", name, atomic.AddInt64(&id, 1))
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}
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func testServerConfig(t *testing.T) (string, *Config) {
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dir := testutil.TempDir(t, "consul")
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config := DefaultConfig()
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ports := freeport.Get(3)
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config.NodeName = uniqueNodeName(t.Name())
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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.LogOutput = testutil.TestWriter(t)
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// bind the rpc server to a random port. config.RPCAdvertise will be
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// set to the listen address unless it was set in the configuration.
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// In that case get the address from srv.Listener.Addr().
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config.RPCAddr = &net.TCPAddr{IP: []byte{127, 0, 0, 1}, Port: ports[0]}
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nodeID, err := uuid.GenerateUUID()
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if err != nil {
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t.Fatal(err)
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}
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config.NodeID = types.NodeID(nodeID)
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// set the memberlist bind port to 0 to bind to a random port.
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// memberlist will update the value of BindPort after bind
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// to the actual value.
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config.SerfLANConfig.MemberlistConfig.BindAddr = "127.0.0.1"
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config.SerfLANConfig.MemberlistConfig.BindPort = ports[1]
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config.SerfLANConfig.MemberlistConfig.AdvertisePort = ports[1]
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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.SerfLANConfig.MemberlistConfig.DeadNodeReclaimTime = 100 * time.Millisecond
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config.SerfWANConfig.MemberlistConfig.BindAddr = "127.0.0.1"
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config.SerfWANConfig.MemberlistConfig.BindPort = ports[2]
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config.SerfWANConfig.MemberlistConfig.AdvertisePort = ports[2]
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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.SerfWANConfig.MemberlistConfig.DeadNodeReclaimTime = 100 * time.Millisecond
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config.RaftConfig.LeaderLeaseTimeout = 100 * time.Millisecond
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config.RaftConfig.HeartbeatTimeout = 200 * time.Millisecond
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config.RaftConfig.ElectionTimeout = 200 * time.Millisecond
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config.ReconcileInterval = 300 * time.Millisecond
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config.AutopilotConfig.ServerStabilizationTime = 100 * time.Millisecond
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config.ServerHealthInterval = 50 * time.Millisecond
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config.AutopilotInterval = 100 * time.Millisecond
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config.Build = "1.4.0"
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config.CoordinateUpdatePeriod = 100 * time.Millisecond
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config.LeaveDrainTime = 1 * time.Millisecond
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// TODO (slackpad) - We should be able to run all tests w/o this, but it
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// looks like several depend on it.
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config.RPCHoldTimeout = 5 * time.Second
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config.ConnectEnabled = true
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config.CAConfig = &structs.CAConfiguration{
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ClusterID: connect.TestClusterID,
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Provider: structs.ConsulCAProvider,
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Config: map[string]interface{}{
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"PrivateKey": "",
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"RootCert": "",
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"RotationPeriod": "2160h",
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"LeafCertTTL": "72h",
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},
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}
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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 testServerWithConfig(t, func(c *Config) {
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c.Datacenter = "dc1"
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c.Bootstrap = true
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})
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}
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func testServerDC(t *testing.T, dc string) (string, *Server) {
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return testServerWithConfig(t, func(c *Config) {
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c.Datacenter = dc
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c.Bootstrap = true
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})
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}
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func testServerDCBootstrap(t *testing.T, dc string, bootstrap bool) (string, *Server) {
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return testServerWithConfig(t, func(c *Config) {
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c.Datacenter = dc
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c.Bootstrap = bootstrap
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})
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}
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func testServerDCExpect(t *testing.T, dc string, expect int) (string, *Server) {
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return testServerWithConfig(t, func(c *Config) {
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c.Datacenter = dc
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c.Bootstrap = false
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c.BootstrapExpect = expect
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})
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}
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func testServerDCExpectNonVoter(t *testing.T, dc string, expect int) (string, *Server) {
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return testServerWithConfig(t, func(c *Config) {
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c.Datacenter = dc
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c.Bootstrap = false
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c.BootstrapExpect = expect
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c.NonVoter = true
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})
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}
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func testServerWithConfig(t *testing.T, cb func(*Config)) (string, *Server) {
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var dir string
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var config *Config
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var srv *Server
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var err error
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// Retry added to avoid cases where bind addr is already in use
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retry.RunWith(retry.ThreeTimes(), t, func(r *retry.R) {
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dir, config = testServerConfig(t)
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if cb != nil {
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cb(config)
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}
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srv, err = newServer(config)
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if err != nil {
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os.RemoveAll(dir)
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r.Fatalf("err: %v", err)
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}
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})
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return dir, srv
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}
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func newServer(c *Config) (*Server, error) {
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// chain server up notification
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oldNotify := c.NotifyListen
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up := make(chan struct{})
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c.NotifyListen = func() {
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close(up)
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if oldNotify != nil {
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oldNotify()
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}
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}
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// start server
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w := c.LogOutput
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if w == nil {
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w = os.Stderr
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}
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logger := log.New(w, c.NodeName+" - ", log.LstdFlags|log.Lmicroseconds)
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tlsConf, err := tlsutil.NewConfigurator(c.ToTLSUtilConfig(), logger)
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if err != nil {
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return nil, err
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}
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srv, err := NewServerLogger(c, logger, new(token.Store), tlsConf)
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if err != nil {
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return nil, err
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}
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// wait until after listen
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<-up
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// get the real address
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//
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// the server already sets the RPCAdvertise address
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// if it wasn't configured since it needs it for
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// some initialization
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//
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// todo(fs): setting RPCAddr should probably be guarded
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// todo(fs): but for now it is a shortcut to avoid fixing
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// todo(fs): tests which depend on that value. They should
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// todo(fs): just get the listener address instead.
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c.RPCAddr = srv.Listener.Addr().(*net.TCPAddr)
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return srv, nil
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}
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func TestServer_StartStop(t *testing.T) {
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t.Parallel()
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// Start up a server and then stop it.
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dir1, s1 := testServer(t)
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defer os.RemoveAll(dir1)
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if err := s1.Shutdown(); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Shut down again, which should be idempotent.
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if err := s1.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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t.Parallel()
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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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joinLAN(t, s2, s1)
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retry.Run(t, func(r *retry.R) {
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if got, want := len(s1.LANMembers()), 2; got != want {
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r.Fatalf("got %d s1 LAN members want %d", got, want)
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}
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if got, want := len(s2.LANMembers()), 2; got != want {
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r.Fatalf("got %d s2 LAN members want %d", got, want)
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}
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})
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}
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func TestServer_LANReap(t *testing.T) {
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t.Parallel()
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configureServer := func(c *Config) {
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c.SerfFloodInterval = 100 * time.Millisecond
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c.SerfLANConfig.ReconnectTimeout = 250 * time.Millisecond
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c.SerfLANConfig.TombstoneTimeout = 250 * time.Millisecond
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c.SerfLANConfig.ReapInterval = 300 * time.Millisecond
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}
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dir1, s1 := testServerWithConfig(t, func(c *Config) {
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c.Datacenter = "dc1"
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c.Bootstrap = true
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configureServer(c)
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})
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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.Datacenter = "dc1"
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c.Bootstrap = false
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configureServer(c)
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})
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defer os.RemoveAll(dir2)
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dir3, s3 := testServerWithConfig(t, func(c *Config) {
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c.Datacenter = "dc1"
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c.Bootstrap = false
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configureServer(c)
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})
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defer os.RemoveAll(dir3)
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defer s3.Shutdown()
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// Try to join
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joinLAN(t, s2, s1)
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joinLAN(t, s3, s1)
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testrpc.WaitForLeader(t, s1.RPC, "dc1")
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testrpc.WaitForLeader(t, s2.RPC, "dc1")
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testrpc.WaitForLeader(t, s3.RPC, "dc1")
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retry.Run(t, func(r *retry.R) {
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require.Len(r, s1.LANMembers(), 3)
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require.Len(r, s2.LANMembers(), 3)
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require.Len(r, s3.LANMembers(), 3)
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})
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// Check the router has both
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retry.Run(t, func(r *retry.R) {
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require.Len(r, s1.serverLookup.Servers(), 3)
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require.Len(r, s2.serverLookup.Servers(), 3)
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require.Len(r, s3.serverLookup.Servers(), 3)
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})
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// shutdown the second dc
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s2.Shutdown()
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retry.Run(t, func(r *retry.R) {
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require.Len(r, s1.LANMembers(), 2)
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servers := s1.serverLookup.Servers()
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require.Len(r, servers, 2)
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// require.Equal(r, s1.config.NodeName, servers[0].Name)
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})
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}
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func TestServer_JoinWAN(t *testing.T) {
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t.Parallel()
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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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joinWAN(t, s2, s1)
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retry.Run(t, func(r *retry.R) {
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if got, want := len(s1.WANMembers()), 2; got != want {
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r.Fatalf("got %d s1 WAN members want %d", got, want)
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}
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if got, want := len(s2.WANMembers()), 2; got != want {
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r.Fatalf("got %d s2 WAN members want %d", got, want)
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}
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})
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// Check the router has both
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retry.Run(t, func(r *retry.R) {
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if got, want := len(s1.router.GetDatacenters()), 2; got != want {
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r.Fatalf("got %d routes want %d", got, want)
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}
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if got, want := len(s2.router.GetDatacenters()), 2; got != want {
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r.Fatalf("got %d datacenters want %d", got, want)
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}
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})
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}
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func TestServer_WANReap(t *testing.T) {
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t.Parallel()
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dir1, s1 := testServerWithConfig(t, func(c *Config) {
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c.Datacenter = "dc1"
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c.Bootstrap = true
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c.SerfFloodInterval = 100 * time.Millisecond
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c.SerfWANConfig.ReconnectTimeout = 250 * time.Millisecond
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c.SerfWANConfig.TombstoneTimeout = 250 * time.Millisecond
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c.SerfWANConfig.ReapInterval = 500 * time.Millisecond
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})
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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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// Try to join
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joinWAN(t, s2, s1)
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retry.Run(t, func(r *retry.R) {
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require.Len(r, s1.WANMembers(), 2)
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require.Len(r, s2.WANMembers(), 2)
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})
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// Check the router has both
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retry.Run(t, func(r *retry.R) {
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require.Len(r, s1.router.GetDatacenters(), 2)
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require.Len(r, s2.router.GetDatacenters(), 2)
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})
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// shutdown the second dc
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s2.Shutdown()
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retry.Run(t, func(r *retry.R) {
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require.Len(r, s1.WANMembers(), 1)
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datacenters := s1.router.GetDatacenters()
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require.Len(r, datacenters, 1)
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require.Equal(r, "dc1", datacenters[0])
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})
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}
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func TestServer_JoinWAN_Flood(t *testing.T) {
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t.Parallel()
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// Set up two servers in a WAN.
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dir1, s1 := testServerDCBootstrap(t, "dc1", true)
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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dir2, s2 := testServerDCBootstrap(t, "dc2", true)
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defer os.RemoveAll(dir2)
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defer s2.Shutdown()
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joinWAN(t, s2, s1)
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for _, s := range []*Server{s1, s2} {
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retry.Run(t, func(r *retry.R) {
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if got, want := len(s.WANMembers()), 2; got != want {
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r.Fatalf("got %d WAN members want %d", got, want)
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}
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})
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}
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dir3, s3 := testServerDCBootstrap(t, "dc1", false)
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defer os.RemoveAll(dir3)
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defer s3.Shutdown()
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|
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// Do just a LAN join for the new server and make sure it
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// shows up in the WAN.
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joinLAN(t, s3, s1)
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for _, s := range []*Server{s1, s2, s3} {
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retry.Run(t, func(r *retry.R) {
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if got, want := len(s.WANMembers()), 3; got != want {
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r.Fatalf("got %d WAN members for %s want %d", got, s.config.NodeName, want)
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}
|
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})
|
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}
|
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}
|
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|
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func TestServer_JoinSeparateLanAndWanAddresses(t *testing.T) {
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t.Parallel()
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dir1, s1 := testServerWithConfig(t, func(c *Config) {
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c.NodeName = t.Name() + "-s1"
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c.Datacenter = "dc1"
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c.Bootstrap = true
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c.SerfFloodInterval = 100 * time.Millisecond
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})
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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s2Name := t.Name() + "-s2"
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dir2, s2 := testServerWithConfig(t, func(c *Config) {
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c.NodeName = s2Name
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c.Datacenter = "dc2"
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c.Bootstrap = false
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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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c.SerfFloodInterval = 100 * time.Millisecond
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})
|
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|
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defer os.RemoveAll(dir2)
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defer s2.Shutdown()
|
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|
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dir3, s3 := testServerWithConfig(t, func(c *Config) {
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c.NodeName = t.Name() + "-s3"
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c.Datacenter = "dc2"
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c.Bootstrap = true
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c.SerfFloodInterval = 100 * time.Millisecond
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})
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defer os.RemoveAll(dir3)
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defer s3.Shutdown()
|
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|
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// Join s2 to s1 on wan
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joinWAN(t, s2, s1)
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|
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// Join s3 to s2 on lan
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joinLAN(t, s3, s2)
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|
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// We rely on flood joining to fill across the LAN, so we expect s3 to
|
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// show up on the WAN as well, even though it's not explicitly joined.
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retry.Run(t, func(r *retry.R) {
|
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if got, want := len(s1.WANMembers()), 3; got != want {
|
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r.Fatalf("got %d s1 WAN members want %d", got, want)
|
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}
|
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if got, want := len(s2.WANMembers()), 3; got != want {
|
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r.Fatalf("got %d s2 WAN members want %d", got, want)
|
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}
|
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if got, want := len(s2.LANMembers()), 2; got != want {
|
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r.Fatalf("got %d s2 LAN members want %d", got, want)
|
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}
|
|
if got, want := len(s3.LANMembers()), 2; got != want {
|
|
r.Fatalf("got %d s3 LAN members want %d", got, want)
|
|
}
|
|
})
|
|
|
|
// Check the router has both
|
|
retry.Run(t, func(r *retry.R) {
|
|
if len(s1.router.GetDatacenters()) != 2 {
|
|
r.Fatalf("remote consul missing")
|
|
}
|
|
if len(s2.router.GetDatacenters()) != 2 {
|
|
r.Fatalf("remote consul missing")
|
|
}
|
|
if len(s2.serverLookup.Servers()) != 2 {
|
|
r.Fatalf("local consul fellow s3 for s2 missing")
|
|
}
|
|
})
|
|
|
|
// Get and check the wan address of s2 from s1
|
|
var s2WanAddr string
|
|
for _, member := range s1.WANMembers() {
|
|
if member.Name == s2Name+".dc2" {
|
|
s2WanAddr = member.Addr.String()
|
|
}
|
|
}
|
|
if s2WanAddr != "127.0.0.2" {
|
|
t.Fatalf("s1 sees s2 on a wrong address: %s, expecting: %s", s2WanAddr, "127.0.0.2")
|
|
}
|
|
|
|
// Get and check the lan address of s2 from s3
|
|
var s2LanAddr string
|
|
for _, lanmember := range s3.LANMembers() {
|
|
if lanmember.Name == s2Name {
|
|
s2LanAddr = lanmember.Addr.String()
|
|
}
|
|
}
|
|
if s2LanAddr != "127.0.0.3" {
|
|
t.Fatalf("s3 sees s2 on a wrong address: %s, expecting: %s", s2LanAddr, "127.0.0.3")
|
|
}
|
|
}
|
|
|
|
func TestServer_LeaveLeader(t *testing.T) {
|
|
t.Parallel()
|
|
dir1, s1 := testServer(t)
|
|
defer os.RemoveAll(dir1)
|
|
defer s1.Shutdown()
|
|
|
|
dir2, s2 := testServerDCBootstrap(t, "dc1", false)
|
|
defer os.RemoveAll(dir2)
|
|
defer s2.Shutdown()
|
|
|
|
dir3, s3 := testServerDCBootstrap(t, "dc1", false)
|
|
defer os.RemoveAll(dir3)
|
|
defer s3.Shutdown()
|
|
|
|
testrpc.WaitForLeader(t, s1.RPC, "dc1")
|
|
joinLAN(t, s2, s1)
|
|
joinLAN(t, s3, s1)
|
|
retry.Run(t, func(r *retry.R) {
|
|
r.Check(wantPeers(s1, 3))
|
|
r.Check(wantPeers(s2, 3))
|
|
r.Check(wantPeers(s3, 3))
|
|
})
|
|
// Issue a leave to the leader
|
|
var leader *Server
|
|
switch {
|
|
case s1.IsLeader():
|
|
leader = s1
|
|
case s2.IsLeader():
|
|
leader = s2
|
|
case s3.IsLeader():
|
|
leader = s3
|
|
default:
|
|
t.Fatal("no leader")
|
|
}
|
|
if err := leader.Leave(); err != nil {
|
|
t.Fatal("leave failed: ", err)
|
|
}
|
|
|
|
// Should lose a peer
|
|
retry.Run(t, func(r *retry.R) {
|
|
r.Check(wantPeers(s1, 2))
|
|
r.Check(wantPeers(s2, 2))
|
|
r.Check(wantPeers(s3, 2))
|
|
})
|
|
}
|
|
|
|
func TestServer_Leave(t *testing.T) {
|
|
t.Parallel()
|
|
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
|
|
joinLAN(t, s2, s1)
|
|
|
|
testrpc.WaitForLeader(t, s1.RPC, "dc1")
|
|
testrpc.WaitForLeader(t, s2.RPC, "dc1")
|
|
|
|
// Issue a leave to the non-leader
|
|
var nonleader *Server
|
|
switch {
|
|
case s1.IsLeader():
|
|
nonleader = s2
|
|
case s2.IsLeader():
|
|
nonleader = s1
|
|
default:
|
|
t.Fatal("no leader")
|
|
}
|
|
if err := nonleader.Leave(); err != nil {
|
|
t.Fatal("leave failed: ", err)
|
|
}
|
|
|
|
// Should lose a peer
|
|
retry.Run(t, func(r *retry.R) {
|
|
r.Check(wantPeers(s1, 1))
|
|
r.Check(wantPeers(s2, 1))
|
|
})
|
|
}
|
|
|
|
func TestServer_RPC(t *testing.T) {
|
|
t.Parallel()
|
|
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) {
|
|
t.Parallel()
|
|
dir1, conf1 := testServerConfig(t)
|
|
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()
|
|
testrpc.WaitForTestAgent(t, s1.RPC, "dc1")
|
|
|
|
dir2, conf2 := testServerConfig(t)
|
|
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
|
|
joinLAN(t, s2, s1)
|
|
testrpc.WaitForTestAgent(t, s2.RPC, "dc1")
|
|
|
|
// Verify Raft has established a peer
|
|
retry.Run(t, func(r *retry.R) {
|
|
r.Check(wantRaft([]*Server{s1, s2}))
|
|
})
|
|
}
|
|
|
|
func TestServer_Expect(t *testing.T) {
|
|
// All test servers should be in expect=3 mode, except for the 3rd one,
|
|
// but one with expect=0 can cause a bootstrap to occur from the other
|
|
// servers as currently implemented.
|
|
dir1, s1 := testServerDCExpect(t, "dc1", 3)
|
|
defer os.RemoveAll(dir1)
|
|
defer s1.Shutdown()
|
|
|
|
dir2, s2 := testServerDCExpect(t, "dc1", 3)
|
|
defer os.RemoveAll(dir2)
|
|
defer s2.Shutdown()
|
|
|
|
dir3, s3 := testServerDCExpect(t, "dc1", 0)
|
|
defer os.RemoveAll(dir3)
|
|
defer s3.Shutdown()
|
|
|
|
dir4, s4 := testServerDCExpect(t, "dc1", 3)
|
|
defer os.RemoveAll(dir4)
|
|
defer s4.Shutdown()
|
|
|
|
// Join the first two servers.
|
|
joinLAN(t, s2, s1)
|
|
|
|
// Should have no peers yet since the bootstrap didn't occur.
|
|
retry.Run(t, func(r *retry.R) {
|
|
r.Check(wantPeers(s1, 0))
|
|
r.Check(wantPeers(s2, 0))
|
|
})
|
|
|
|
// Join the third node.
|
|
joinLAN(t, s3, s1)
|
|
|
|
// Now we have three servers so we should bootstrap.
|
|
retry.Run(t, func(r *retry.R) {
|
|
r.Check(wantPeers(s1, 3))
|
|
r.Check(wantPeers(s2, 3))
|
|
r.Check(wantPeers(s3, 3))
|
|
})
|
|
|
|
// Join the fourth node.
|
|
joinLAN(t, s4, s1)
|
|
|
|
// Wait for the new server to see itself added to the cluster.
|
|
retry.Run(t, func(r *retry.R) {
|
|
r.Check(wantRaft([]*Server{s1, s2, s3, s4}))
|
|
})
|
|
}
|
|
|
|
// Should not trigger bootstrap and new election when s3 joins, since cluster exists
|
|
func TestServer_AvoidReBootstrap(t *testing.T) {
|
|
dir1, s1 := testServerDCExpect(t, "dc1", 2)
|
|
defer os.RemoveAll(dir1)
|
|
defer s1.Shutdown()
|
|
|
|
dir2, s2 := testServerDCExpect(t, "dc1", 0)
|
|
defer os.RemoveAll(dir2)
|
|
defer s2.Shutdown()
|
|
|
|
dir3, s3 := testServerDCExpect(t, "dc1", 2)
|
|
defer os.RemoveAll(dir3)
|
|
defer s3.Shutdown()
|
|
|
|
// Join the first two servers
|
|
joinLAN(t, s2, s1)
|
|
|
|
// Make sure a leader is elected, grab the current term and then add in
|
|
// the third server.
|
|
testrpc.WaitForLeader(t, s1.RPC, "dc1")
|
|
termBefore := s1.raft.Stats()["last_log_term"]
|
|
joinLAN(t, s3, s1)
|
|
|
|
// Wait for the new server to see itself added to the cluster.
|
|
retry.Run(t, func(r *retry.R) {
|
|
r.Check(wantRaft([]*Server{s1, s2, s3}))
|
|
})
|
|
|
|
// Make sure there's still a leader and that the term didn't change,
|
|
// so we know an election didn't occur.
|
|
testrpc.WaitForLeader(t, s1.RPC, "dc1")
|
|
termAfter := s1.raft.Stats()["last_log_term"]
|
|
if termAfter != termBefore {
|
|
t.Fatalf("looks like an election took place")
|
|
}
|
|
}
|
|
|
|
func TestServer_Expect_NonVoters(t *testing.T) {
|
|
t.Parallel()
|
|
dir1, s1 := testServerDCExpectNonVoter(t, "dc1", 2)
|
|
defer os.RemoveAll(dir1)
|
|
defer s1.Shutdown()
|
|
|
|
dir2, s2 := testServerDCExpect(t, "dc1", 2)
|
|
defer os.RemoveAll(dir2)
|
|
defer s2.Shutdown()
|
|
|
|
dir3, s3 := testServerDCExpect(t, "dc1", 2)
|
|
defer os.RemoveAll(dir3)
|
|
defer s3.Shutdown()
|
|
|
|
// Join the first two servers.
|
|
joinLAN(t, s2, s1)
|
|
|
|
// Should have no peers yet since the bootstrap didn't occur.
|
|
retry.Run(t, func(r *retry.R) {
|
|
r.Check(wantPeers(s1, 0))
|
|
r.Check(wantPeers(s2, 0))
|
|
})
|
|
|
|
// Join the third node.
|
|
joinLAN(t, s3, s1)
|
|
|
|
// Now we have three servers so we should bootstrap.
|
|
retry.Run(t, func(r *retry.R) {
|
|
r.Check(wantPeers(s1, 2))
|
|
r.Check(wantPeers(s2, 2))
|
|
r.Check(wantPeers(s3, 2))
|
|
})
|
|
|
|
// Make sure a leader is elected
|
|
testrpc.WaitForLeader(t, s1.RPC, "dc1")
|
|
retry.Run(t, func(r *retry.R) {
|
|
r.Check(wantRaft([]*Server{s1, s2, s3}))
|
|
})
|
|
}
|
|
|
|
func TestServer_BadExpect(t *testing.T) {
|
|
t.Parallel()
|
|
// 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
|
|
joinLAN(t, s2, s1)
|
|
|
|
// should have no peers yet
|
|
retry.Run(t, func(r *retry.R) {
|
|
r.Check(wantPeers(s1, 0))
|
|
r.Check(wantPeers(s2, 0))
|
|
})
|
|
|
|
// join the third node
|
|
joinLAN(t, s3, s1)
|
|
|
|
// should still have no peers (because s2 is in expect=2 mode)
|
|
retry.Run(t, func(r *retry.R) {
|
|
r.Check(wantPeers(s1, 0))
|
|
r.Check(wantPeers(s2, 0))
|
|
r.Check(wantPeers(s3, 0))
|
|
})
|
|
}
|
|
|
|
type fakeGlobalResp struct{}
|
|
|
|
func (r *fakeGlobalResp) Add(interface{}) {
|
|
}
|
|
|
|
func (r *fakeGlobalResp) New() interface{} {
|
|
return struct{}{}
|
|
}
|
|
|
|
func TestServer_globalRPCErrors(t *testing.T) {
|
|
t.Parallel()
|
|
dir1, s1 := testServerDC(t, "dc1")
|
|
defer os.RemoveAll(dir1)
|
|
defer s1.Shutdown()
|
|
retry.Run(t, func(r *retry.R) {
|
|
if len(s1.router.GetDatacenters()) != 1 {
|
|
r.Fatal(nil)
|
|
}
|
|
})
|
|
|
|
// 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("unexpected error: %s", err)
|
|
}
|
|
}
|
|
|
|
func TestServer_Encrypted(t *testing.T) {
|
|
t.Parallel()
|
|
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")
|
|
}
|
|
}
|
|
|
|
func testVerifyRPC(s1, s2 *Server, t *testing.T) (bool, error) {
|
|
joinLAN(t, s1, s2)
|
|
retry.Run(t, func(r *retry.R) {
|
|
r.Check(wantRaft([]*Server{s1, s2}))
|
|
})
|
|
|
|
// Have s2 make an RPC call to s1
|
|
var leader *metadata.Server
|
|
for _, server := range s2.serverLookup.Servers() {
|
|
if server.Name == s1.config.NodeName {
|
|
leader = server
|
|
}
|
|
}
|
|
if leader == nil {
|
|
t.Fatal("no leader")
|
|
}
|
|
return s2.connPool.Ping(leader.Datacenter, leader.Addr, leader.Version, leader.UseTLS)
|
|
}
|
|
|
|
func TestServer_TLSToNoTLS(t *testing.T) {
|
|
t.Parallel()
|
|
// Set up a server with no TLS configured
|
|
dir1, s1 := testServer(t)
|
|
defer os.RemoveAll(dir1)
|
|
defer s1.Shutdown()
|
|
|
|
testrpc.WaitForLeader(t, s1.RPC, "dc1")
|
|
|
|
// Add a second server with TLS configured
|
|
dir2, s2 := testServerWithConfig(t, func(c *Config) {
|
|
c.Bootstrap = false
|
|
c.CAFile = "../../test/client_certs/rootca.crt"
|
|
c.CertFile = "../../test/client_certs/server.crt"
|
|
c.KeyFile = "../../test/client_certs/server.key"
|
|
})
|
|
defer os.RemoveAll(dir2)
|
|
defer s2.Shutdown()
|
|
|
|
success, err := testVerifyRPC(s1, s2, t)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !success {
|
|
t.Fatalf("bad: %v", success)
|
|
}
|
|
}
|
|
|
|
func TestServer_TLSForceOutgoingToNoTLS(t *testing.T) {
|
|
t.Parallel()
|
|
// Set up a server with no TLS configured
|
|
dir1, s1 := testServer(t)
|
|
defer os.RemoveAll(dir1)
|
|
defer s1.Shutdown()
|
|
|
|
testrpc.WaitForLeader(t, s1.RPC, "dc1")
|
|
|
|
// Add a second server with TLS and VerifyOutgoing set
|
|
dir2, s2 := testServerWithConfig(t, func(c *Config) {
|
|
c.Bootstrap = false
|
|
c.CAFile = "../../test/client_certs/rootca.crt"
|
|
c.CertFile = "../../test/client_certs/server.crt"
|
|
c.KeyFile = "../../test/client_certs/server.key"
|
|
c.VerifyOutgoing = true
|
|
})
|
|
defer os.RemoveAll(dir2)
|
|
defer s2.Shutdown()
|
|
|
|
_, err := testVerifyRPC(s1, s2, t)
|
|
if err == nil || !strings.Contains(err.Error(), "remote error: tls") {
|
|
t.Fatalf("should fail")
|
|
}
|
|
}
|
|
|
|
func TestServer_TLSToFullVerify(t *testing.T) {
|
|
t.Parallel()
|
|
// Set up a server with TLS and VerifyIncoming set
|
|
dir1, s1 := testServerWithConfig(t, func(c *Config) {
|
|
c.CAFile = "../../test/client_certs/rootca.crt"
|
|
c.CertFile = "../../test/client_certs/server.crt"
|
|
c.KeyFile = "../../test/client_certs/server.key"
|
|
c.VerifyIncoming = true
|
|
c.VerifyOutgoing = true
|
|
})
|
|
defer os.RemoveAll(dir1)
|
|
defer s1.Shutdown()
|
|
|
|
testrpc.WaitForLeader(t, s1.RPC, "dc1")
|
|
|
|
// Add a second server with TLS configured
|
|
dir2, s2 := testServerWithConfig(t, func(c *Config) {
|
|
c.Bootstrap = false
|
|
c.CAFile = "../../test/client_certs/rootca.crt"
|
|
c.CertFile = "../../test/client_certs/server.crt"
|
|
c.KeyFile = "../../test/client_certs/server.key"
|
|
})
|
|
defer os.RemoveAll(dir2)
|
|
defer s2.Shutdown()
|
|
|
|
success, err := testVerifyRPC(s1, s2, t)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !success {
|
|
t.Fatalf("bad: %v", success)
|
|
}
|
|
}
|
|
|
|
func TestServer_RevokeLeadershipIdempotent(t *testing.T) {
|
|
t.Parallel()
|
|
dir1, s1 := testServer(t)
|
|
defer os.RemoveAll(dir1)
|
|
defer s1.Shutdown()
|
|
|
|
testrpc.WaitForLeader(t, s1.RPC, "dc1")
|
|
|
|
s1.revokeLeadership()
|
|
s1.revokeLeadership()
|
|
}
|
|
|
|
func TestServer_Reload(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
global_entry_init := &structs.ProxyConfigEntry{
|
|
Kind: structs.ProxyDefaults,
|
|
Name: structs.ProxyConfigGlobal,
|
|
Config: map[string]interface{}{
|
|
// these are made a []uint8 and a int64 to allow the Equals test to pass
|
|
// otherwise it will fail complaining about data types
|
|
"foo": "bar",
|
|
"bar": int64(1),
|
|
},
|
|
}
|
|
|
|
dir1, s := testServerWithConfig(t, func(c *Config) {
|
|
c.Build = "1.5.0"
|
|
c.RPCRate = 500
|
|
c.RPCMaxBurst = 5000
|
|
})
|
|
defer os.RemoveAll(dir1)
|
|
defer s.Shutdown()
|
|
|
|
testrpc.WaitForTestAgent(t, s.RPC, "dc1")
|
|
|
|
s.config.ConfigEntryBootstrap = []structs.ConfigEntry{
|
|
global_entry_init,
|
|
}
|
|
|
|
limiter := s.rpcLimiter.Load().(*rate.Limiter)
|
|
require.Equal(t, rate.Limit(500), limiter.Limit())
|
|
require.Equal(t, 5000, limiter.Burst())
|
|
|
|
// Change rate limit
|
|
s.config.RPCRate = 1000
|
|
s.config.RPCMaxBurst = 10000
|
|
|
|
s.ReloadConfig(s.config)
|
|
|
|
_, entry, err := s.fsm.State().ConfigEntry(nil, structs.ProxyDefaults, structs.ProxyConfigGlobal)
|
|
require.NoError(t, err)
|
|
require.NotNil(t, entry)
|
|
global, ok := entry.(*structs.ProxyConfigEntry)
|
|
require.True(t, ok)
|
|
require.Equal(t, global_entry_init.Kind, global.Kind)
|
|
require.Equal(t, global_entry_init.Name, global.Name)
|
|
require.Equal(t, global_entry_init.Config, global.Config)
|
|
|
|
// Check rate limiter got updated
|
|
limiter = s.rpcLimiter.Load().(*rate.Limiter)
|
|
require.Equal(t, rate.Limit(1000), limiter.Limit())
|
|
require.Equal(t, 10000, limiter.Burst())
|
|
}
|
|
|
|
func TestServer_RPC_RateLimit(t *testing.T) {
|
|
t.Parallel()
|
|
dir1, conf1 := testServerConfig(t)
|
|
conf1.RPCRate = 2
|
|
conf1.RPCMaxBurst = 2
|
|
s1, err := NewServer(conf1)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
defer os.RemoveAll(dir1)
|
|
defer s1.Shutdown()
|
|
testrpc.WaitForLeader(t, s1.RPC, "dc1")
|
|
|
|
retry.Run(t, func(r *retry.R) {
|
|
var out struct{}
|
|
if err := s1.RPC("Status.Ping", struct{}{}, &out); err != structs.ErrRPCRateExceeded {
|
|
r.Fatalf("err: %v", err)
|
|
}
|
|
})
|
|
}
|