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testCluster: Add etcd integration tests
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@ohkinozomu
ohkinozomu committed Aug 9, 2024
1 parent 06fe601 commit 5edd1ce
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Showing 2 changed files with 134 additions and 6 deletions.
137 changes: 132 additions & 5 deletions cluster/agent_test.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -134,18 +134,144 @@ func TestCluster_Hashicorp_Memberlist(t *testing.T) {
testCluster(t, conf1, conf2, conf3)
}

func TestCluster_Etcd_Serf(t *testing.T) {
bindPort1, err := utils.GetFreePort()
require.NoError(t, err, "Failed to get free port for node1")
raftPort1, err := utils.GetFreePort()
require.NoError(t, err, "Failed to get free port for node1 Raft")

bindPort2, err := utils.GetFreePort()
require.NoError(t, err, "Failed to get free port for node2")
raftPort2, err := utils.GetFreePort()
require.NoError(t, err, "Failed to get free port for node2 Raft")

bindPort3, err := utils.GetFreePort()
require.NoError(t, err, "Failed to get free port for node3")
raftPort3, err := utils.GetFreePort()
require.NoError(t, err, "Failed to get free port for node3 Raft")

members := []string{
"127.0.0.1:" + strconv.Itoa(bindPort1),
"127.0.0.1:" + strconv.Itoa(bindPort2),
"127.0.0.1:" + strconv.Itoa(bindPort3),
}

conf1 := &config.Cluster{
NodeName: "1",
RaftImpl: config.RaftImplEtcd,
BindAddr: "127.0.0.1",
BindPort: bindPort1,
RaftPort: raftPort1,
RaftBootstrap: true,
RaftDir: t.TempDir(),
GrpcEnable: false,
Members: members,
DiscoveryWay: config.DiscoveryWaySerf,
NodesFileDir: t.TempDir(),
}
conf2 := &config.Cluster{
NodeName: "2",
RaftImpl: config.RaftImplEtcd,
BindAddr: "127.0.0.1",
BindPort: bindPort2,
RaftPort: raftPort2,
RaftBootstrap: false,
RaftDir: t.TempDir(),
GrpcEnable: false,
Members: members,
DiscoveryWay: config.DiscoveryWaySerf,
NodesFileDir: t.TempDir(),
}
conf3 := &config.Cluster{
NodeName: "3",
RaftImpl: config.RaftImplEtcd,
BindAddr: "127.0.0.1",
BindPort: bindPort3,
RaftPort: raftPort3,
RaftBootstrap: false,
RaftDir: t.TempDir(),
GrpcEnable: false,
Members: members,
DiscoveryWay: config.DiscoveryWaySerf,
NodesFileDir: t.TempDir(),
}
testCluster(t, conf1, conf2, conf3)
}

func TestCluster_Etcd_Memberlist(t *testing.T) {
bindPort1, err := utils.GetFreePort()
require.NoError(t, err, "Failed to get free port for node1")

bindPort2, err := utils.GetFreePort()
require.NoError(t, err, "Failed to get free port for node2")

bindPort3, err := utils.GetFreePort()
require.NoError(t, err, "Failed to get free port for node3")

members := []string{
"127.0.0.1:" + strconv.Itoa(bindPort1),
"127.0.0.1:" + strconv.Itoa(bindPort2),
"127.0.0.1:" + strconv.Itoa(bindPort3),
}

conf1 := &config.Cluster{
NodeName: "1",
RaftImpl: config.RaftImplEtcd,
BindAddr: "127.0.0.1",
BindPort: bindPort1,
RaftPort: mlist.GetRaftPortFromBindPort(bindPort1),
RaftBootstrap: true,
RaftDir: t.TempDir(),
GrpcEnable: false,
Members: members,
DiscoveryWay: config.DiscoveryWayMemberlist,
NodesFileDir: t.TempDir(),
}
conf2 := &config.Cluster{
NodeName: "2",
RaftImpl: config.RaftImplEtcd,
BindAddr: "127.0.0.1",
BindPort: bindPort2,
RaftPort: mlist.GetRaftPortFromBindPort(bindPort2),
RaftBootstrap: false,
RaftDir: t.TempDir(),
GrpcEnable: false,
Members: members,
DiscoveryWay: config.DiscoveryWayMemberlist,
NodesFileDir: t.TempDir(),
}
conf3 := &config.Cluster{
NodeName: "3",
RaftImpl: config.RaftImplEtcd,
BindAddr: "127.0.0.1",
BindPort: bindPort3,
RaftPort: mlist.GetRaftPortFromBindPort(bindPort3),
RaftBootstrap: false,
RaftDir: t.TempDir(),
GrpcEnable: false,
Members: members,
DiscoveryWay: config.DiscoveryWayMemberlist,
NodesFileDir: t.TempDir(),
}
testCluster(t, conf1, conf2, conf3)
}

func testCluster(t *testing.T, conf1 *config.Cluster, conf2 *config.Cluster, conf3 *config.Cluster) {
log.Init(log.DefaultOptions())

agent1 := NewAgent(conf1)
err := agent1.Start()
require.NoError(t, err, "Agent start failed for node: %s", conf1.NodeName)

time.Sleep(1 * time.Second)

agent2 := NewAgent(conf2)
err = agent2.Start()
defer agent2.Stop()
require.NoError(t, err, "Agent start failed for node: %s", conf2.NodeName)

time.Sleep(1 * time.Second)

agent3 := NewAgent(conf3)
err = agent3.Start()
defer agent3.Stop()
Expand All @@ -157,9 +283,9 @@ func testCluster(t *testing.T, conf1 *config.Cluster, conf2 *config.Cluster, con
_, leader2 := agent2.raftPeer.GetLeader()
_, leader3 := agent3.raftPeer.GetLeader()

require.Equal(t, leader1, "node1")
require.Equal(t, leader2, "node1")
require.Equal(t, leader3, "node1")
require.Equal(t, leader1, conf1.NodeName)
require.Equal(t, leader2, conf1.NodeName)
require.Equal(t, leader3, conf1.NodeName)

members1 := agent1.GetMemberList()
members2 := agent2.GetMemberList()
Expand All @@ -177,13 +303,14 @@ func testCluster(t *testing.T, conf1 *config.Cluster, conf2 *config.Cluster, con
_, newLeader3 := agent3.raftPeer.GetLeader()

// Check that either agent2 or agent3 becomes the new leader
if newLeader2 == "node2" || newLeader2 == "node3" {
if newLeader2 == conf2.NodeName || newLeader3 == conf3.NodeName {
require.Equal(t, newLeader2, newLeader3, "Leaders should be the same for agent2 and agent3")
} else {
require.Fail(t, "New leader should be either node2 or node3")
}

// Restart agent1 and verify it is a follower
t.Log("Restarting agent1")
restartedAgent1 := NewAgent(conf1)
err = restartedAgent1.Start()
require.NoError(t, err, "Agent restart failed for node: %s", conf1.NodeName)
Expand All @@ -198,7 +325,7 @@ func testCluster(t *testing.T, conf1 *config.Cluster, conf2 *config.Cluster, con
require.Equal(t, leaderAfterRestart2, leaderAfterRestart1)
require.Equal(t, leaderAfterRestart3, leaderAfterRestart1)

require.NotEqual(t, leaderAfterRestart1, "node1", "After restart, node1 should not be the leader")
require.NotEqual(t, leaderAfterRestart1, conf1.NodeName, "After restart, node1 should not be the leader")

t.Log("Test completed successfully")
}
3 changes: 2 additions & 1 deletion cluster/raft/etcd/peer.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -368,7 +368,6 @@ func (p *Peer) serveChannels() {
return

case <-p.stopC:
p.Stop()
return
}
}
Expand Down Expand Up @@ -603,6 +602,8 @@ func (p *Peer) writeError(err error) {

func (p *Peer) Stop() {
p.stopHTTP()
close(p.proposeC)
close(p.confChangeC)
close(p.commitC)
close(p.errorC)
p.node.Stop()
Expand Down

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