172 lines
4.1 KiB
Go
172 lines
4.1 KiB
Go
package consul
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import (
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"errors"
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"fmt"
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"os"
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"testing"
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"time"
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"github.com/hashicorp/consul/consul/structs"
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"github.com/hashicorp/consul/testutil"
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)
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func TestServer_sessionTTL(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 := testServerDCBootstrap(t, "dc1", false)
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defer os.RemoveAll(dir2)
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defer s2.Shutdown()
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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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servers := []*Server{s1, s2, s3}
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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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if _, err := s3.JoinLAN([]string{addr}); err != nil {
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t.Fatalf("err: %v", err)
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}
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for _, s := range servers {
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testutil.WaitForResult(func() (bool, error) {
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peers, _ := s.raftPeers.Peers()
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return len(peers) == 3, nil
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}, func(err error) {
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t.Fatalf("should have 3 peers")
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})
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}
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// Find the leader
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var leader *Server
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for _, s := range servers {
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// check that s.sessionTimers is empty
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if len(s.sessionTimers) != 0 {
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t.Fatalf("should have no sessionTimers")
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}
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// find the leader too
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if s.IsLeader() {
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leader = s
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}
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}
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if leader == nil {
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t.Fatalf("Should have a leader")
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}
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client := rpcClient(t, leader)
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defer client.Close()
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leader.fsm.State().EnsureNode(1, structs.Node{"foo", "127.0.0.1"})
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// create a TTL session
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arg := structs.SessionRequest{
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Datacenter: "dc1",
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Op: structs.SessionCreate,
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Session: structs.Session{
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Node: "foo",
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TTL: "10s",
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},
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}
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var id1 string
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if err := client.Call("Session.Apply", &arg, &id1); err != nil {
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t.Fatalf("err: %v", err)
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}
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// check that leader.sessionTimers has the session id in it
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// means initializeSessionTimers was called and resetSessionTimer was called
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if len(leader.sessionTimers) == 0 || leader.sessionTimers[id1] == nil {
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t.Fatalf("sessionTimers not initialized and does not contain session timer for session")
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}
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time.Sleep(100 * time.Millisecond)
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leader.Leave()
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leader.Shutdown()
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// leader.sessionTimers should be empty due to clearAllSessionTimers getting called
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if len(leader.sessionTimers) != 0 {
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t.Fatalf("session timers should be empty on the shutdown leader")
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}
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time.Sleep(100 * time.Millisecond)
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var remain *Server
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for _, s := range servers {
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if s == leader {
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continue
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}
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remain = s
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testutil.WaitForResult(func() (bool, error) {
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peers, _ := s.raftPeers.Peers()
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return len(peers) == 2, errors.New(fmt.Sprintf("%v", peers))
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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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}
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// Verify the old leader is deregistered
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state := remain.fsm.State()
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testutil.WaitForResult(func() (bool, error) {
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_, found, _ := state.GetNode(leader.config.NodeName)
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return !found, nil
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}, func(err error) {
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t.Fatalf("leader should be deregistered")
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})
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// Find the new leader
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for _, s := range servers {
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// find the leader too
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if s.IsLeader() {
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leader = s
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}
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}
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if leader == nil {
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t.Fatalf("Should have a new leader")
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}
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// check that new leader.sessionTimers has the session id in it
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if len(leader.sessionTimers) == 0 || leader.sessionTimers[id1] == nil {
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t.Fatalf("sessionTimers not initialized and does not contain session timer for session")
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}
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// create another TTL session with the same parameters
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var id2 string
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if err := client.Call("Session.Apply", &arg, &id2); err != nil {
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t.Fatalf("err: %v", err)
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}
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if len(leader.sessionTimers) != 2 {
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t.Fatalf("sessionTimes length should be 2")
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}
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// destroy the id1 session (test clearSessionTimer)
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arg.Op = structs.SessionDestroy
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arg.Session.ID = id1
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if err := client.Call("Session.Apply", &arg, &id1); err != nil {
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t.Fatalf("err: %v", err)
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}
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if len(leader.sessionTimers) != 1 {
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t.Fatalf("sessionTimers length should 1")
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}
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// destroy the id2 session (test clearSessionTimer)
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arg.Op = structs.SessionDestroy
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arg.Session.ID = id2
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if err := client.Call("Session.Apply", &arg, &id2); err != nil {
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t.Fatalf("err: %v", err)
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}
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if len(leader.sessionTimers) != 0 {
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t.Fatalf("sessionTimers length should be 0")
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}
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}
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