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zeekay
8feb24ea1f
The server module named github.com/hanzoai/team/server/v8 — a path that resolves to the retired workspace's repository, not this one — while server/public still published github.com/mattermost/mattermost/server/public. Both are github.com/hanzoteam/server/... now, which is where this code actually lives. That second half is what made the binary unbootable. Upstream's public path stayed claimed by upstream, mattermost-plugin-ai imported it, and the build linked public/model twice; public/plugin's gob.Register then ran twice under one name and panicked at init, before main. Reverting the rename traded the brand for a working binary. Rebranding the plugin alongside it needs no such trade: the agents fork is github.com/hanzoteam/agents/v2 against our public module, so no module named mattermost/mattermost is in the graph at all. Measured: `go list -deps ./cmd/mattermost` names exactly one public/model, and it is ours.
476 lines
14 KiB
Go
476 lines
14 KiB
Go
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See LICENSE.txt for license information.
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package remotecluster
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import (
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"context"
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"encoding/json"
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"net/http"
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"net/http/httptest"
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"sync"
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"sync/atomic"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"github.com/hanzoteam/server/server/public/model"
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"github.com/hanzoteam/server/server/public/plugin/plugintest/mock"
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"github.com/hanzoteam/server/server/public/shared/mlog"
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"github.com/hanzoteam/server/server/v8/channels/store"
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"github.com/hanzoteam/server/server/v8/channels/store/storetest/mocks"
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"github.com/hanzoteam/server/server/v8/einterfaces"
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)
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func TestService_AddTopicListener(t *testing.T) {
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var count atomic.Int32
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l1 := func(msg model.RemoteClusterMsg, rc *model.RemoteCluster, resp *Response) error {
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count.Add(1)
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return nil
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}
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l2 := func(msg model.RemoteClusterMsg, rc *model.RemoteCluster, resp *Response) error {
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count.Add(1)
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return nil
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}
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l3 := func(msg model.RemoteClusterMsg, rc *model.RemoteCluster, resp *Response) error {
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count.Add(1)
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return nil
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}
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mockServer := newMockServer(t, makeRemoteClusters(NumRemotes, "", false))
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mockApp := newMockApp(t, nil)
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service, err := NewRemoteClusterService(mockServer, mockApp)
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require.NoError(t, err)
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l1id := service.AddTopicListener("test", l1)
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l2id := service.AddTopicListener("test", l2)
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l3id := service.AddTopicListener("different", l3)
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listeners := service.getTopicListeners("test")
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assert.Len(t, listeners, 2)
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rc := &model.RemoteCluster{}
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msg1 := model.RemoteClusterMsg{Topic: "test"}
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msg2 := model.RemoteClusterMsg{Topic: "different"}
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service.ReceiveIncomingMsg(rc, msg1)
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assert.Equal(t, int32(2), count.Load())
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service.ReceiveIncomingMsg(rc, msg2)
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assert.Equal(t, int32(3), count.Load())
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service.RemoveTopicListener(l1id)
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service.ReceiveIncomingMsg(rc, msg1)
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assert.Equal(t, int32(4), count.Load())
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service.RemoveTopicListener(l2id)
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service.ReceiveIncomingMsg(rc, msg1)
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assert.Equal(t, int32(4), count.Load())
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service.ReceiveIncomingMsg(rc, msg2)
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assert.Equal(t, int32(5), count.Load())
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service.RemoveTopicListener(l3id)
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service.ReceiveIncomingMsg(rc, msg1)
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service.ReceiveIncomingMsg(rc, msg2)
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assert.Equal(t, int32(5), count.Load())
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listeners = service.getTopicListeners("test")
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assert.Empty(t, listeners)
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}
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func TestRemoteClusterTransportIdleConnTimeout(t *testing.T) {
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mockServer := newMockServer(t, nil)
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mockApp := newMockApp(t, nil)
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service, err := NewRemoteClusterService(mockServer, mockApp)
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require.NoError(t, err)
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transport, ok := service.httpClient.Transport.(*http.Transport)
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require.True(t, ok, "expected the remote cluster client to use an *http.Transport")
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// Regression guard for MM-69982: the pooled-connection idle timeout must be
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// strictly less than PingFreq. If it is >= PingFreq, a pooled connection
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// survives from one ping to the next and every ping reuses a connection that
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// the peer has likely already reaped (peers close idle keep-alives after their
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// own IdleTimeout, default 60s), producing intermittent stale-connection ping
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// failures. Keeping it below PingFreq means the pool discards the connection
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// before the next ping, so each ping dials fresh and the race cannot occur.
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require.Positive(t, transport.IdleConnTimeout, "IdleConnTimeout must be set")
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assert.Less(t, transport.IdleConnTimeout, PingFreq,
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"IdleConnTimeout (%s) must be strictly less than PingFreq (%s) to avoid stale keep-alive reuse on pings",
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transport.IdleConnTimeout, PingFreq)
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}
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// leaderAwareMockServer is a mock server that supports toggling leader state
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// and firing leader-change listeners, allowing lifecycle tests to simulate
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// HA cluster leader transitions.
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type leaderAwareMockServer struct {
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remotes []*model.RemoteCluster
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logger *mlog.Logger
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isLeader atomic.Bool
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mux sync.Mutex
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listeners map[string]func()
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}
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func newLeaderAwareMockServer(t *testing.T, remotes []*model.RemoteCluster, leader bool) *leaderAwareMockServer {
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ms := &leaderAwareMockServer{
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remotes: remotes,
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logger: mlog.CreateConsoleTestLogger(t),
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listeners: make(map[string]func()),
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}
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ms.isLeader.Store(leader)
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return ms
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}
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func (ms *leaderAwareMockServer) Config() *model.Config { return nil }
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func (ms *leaderAwareMockServer) GetMetrics() einterfaces.MetricsInterface { return nil }
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func (ms *leaderAwareMockServer) IsLeader() bool { return ms.isLeader.Load() }
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func (ms *leaderAwareMockServer) Log() *mlog.Logger { return ms.logger }
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func (ms *leaderAwareMockServer) AddClusterLeaderChangedListener(listener func()) string {
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ms.mux.Lock()
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defer ms.mux.Unlock()
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id := model.NewId()
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ms.listeners[id] = listener
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return id
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}
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func (ms *leaderAwareMockServer) RemoveClusterLeaderChangedListener(id string) {
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ms.mux.Lock()
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defer ms.mux.Unlock()
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delete(ms.listeners, id)
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}
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// setLeader changes leader status and fires all registered listeners.
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func (ms *leaderAwareMockServer) setLeader(leader bool) {
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ms.isLeader.Store(leader)
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ms.mux.Lock()
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listeners := make([]func(), 0, len(ms.listeners))
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for _, l := range ms.listeners {
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listeners = append(listeners, l)
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}
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ms.mux.Unlock()
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for _, l := range listeners {
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l()
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}
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}
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func (ms *leaderAwareMockServer) GetStore() store.Store {
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anyQueryFilter := mock.MatchedBy(func(filter model.RemoteClusterQueryFilter) bool {
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return true
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})
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anyId := mock.AnythingOfType("string")
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remoteClusterStoreMock := &mocks.RemoteClusterStore{}
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remoteClusterStoreMock.On("GetByTopic", "share").Return(ms.remotes, nil)
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remoteClusterStoreMock.On("GetAll", 0, 999999, anyQueryFilter).Return(ms.remotes, nil)
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remoteClusterStoreMock.On("SetLastPingAt", anyId).Return(nil)
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storeMock := &mocks.Store{}
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storeMock.On("RemoteCluster").Return(remoteClusterStoreMock)
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return storeMock
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}
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func TestServiceLifecycle(t *testing.T) {
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t.Run("Active after Start, inactive after Shutdown", func(t *testing.T) {
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mockServer := newLeaderAwareMockServer(t, nil, false)
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mockApp := newMockApp(t, nil)
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service, err := NewRemoteClusterService(mockServer, mockApp)
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require.NoError(t, err)
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assert.False(t, service.Active(), "service should not be active before Start")
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err = service.Start()
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require.NoError(t, err)
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assert.True(t, service.Active(), "service should be active after Start")
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err = service.Shutdown()
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require.NoError(t, err)
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assert.False(t, service.Active(), "service should not be active after Shutdown")
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})
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t.Run("Double Start is idempotent", func(t *testing.T) {
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mockServer := newLeaderAwareMockServer(t, nil, false)
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mockApp := newMockApp(t, nil)
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service, err := NewRemoteClusterService(mockServer, mockApp)
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require.NoError(t, err)
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err = service.Start()
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require.NoError(t, err)
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firstDone := service.done
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// Second Start should be a no-op
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err = service.Start()
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require.NoError(t, err)
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assert.Equal(t, firstDone, service.done, "second Start should not replace done channel")
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require.NoError(t, service.Shutdown())
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})
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t.Run("Shutdown before Start does not panic", func(t *testing.T) {
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mockServer := newLeaderAwareMockServer(t, nil, false)
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mockApp := newMockApp(t, nil)
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service, err := NewRemoteClusterService(mockServer, mockApp)
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require.NoError(t, err)
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err = service.Shutdown()
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require.NoError(t, err)
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})
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t.Run("Active on non-leader node", func(t *testing.T) {
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mockServer := newLeaderAwareMockServer(t, nil, false)
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mockApp := newMockApp(t, nil)
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service, err := NewRemoteClusterService(mockServer, mockApp)
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require.NoError(t, err)
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err = service.Start()
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require.NoError(t, err)
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defer func() { require.NoError(t, service.Shutdown()) }()
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assert.True(t, service.Active(), "service should be active on non-leader node")
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})
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}
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func TestSendLoopLifecycle(t *testing.T) {
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t.Run("sendLoop runs on non-leader node", func(t *testing.T) {
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var webReqCount atomic.Int32
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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webReqCount.Add(1)
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w.WriteHeader(200)
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resp := Response{}
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b, _ := json.Marshal(&resp)
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_, _ = w.Write(b)
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}))
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defer ts.Close()
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remotes := makeRemoteClusters(3, ts.URL, false)
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mockServer := newLeaderAwareMockServer(t, remotes, false) // non-leader
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mockApp := newMockApp(t, nil)
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service, err := NewRemoteClusterService(mockServer, mockApp)
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require.NoError(t, err)
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service.disablePing = true
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err = service.Start()
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require.NoError(t, err)
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defer func() { require.NoError(t, service.Shutdown()) }()
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// Verify pings are NOT running (non-leader)
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service.mux.RLock()
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pingRunning := service.pingDone != nil
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service.mux.RUnlock()
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assert.False(t, pingRunning, "pings should not be running on non-leader node")
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// Send a message — sendLoop should process it even on non-leader
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msg := makeRemoteClusterMsg(model.NewId(), NoteContent)
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var callbackCount atomic.Int32
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wg := &sync.WaitGroup{}
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wg.Add(3)
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ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
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defer cancel()
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err = service.BroadcastMsg(ctx, msg, func(msg model.RemoteClusterMsg, remote *model.RemoteCluster, resp *Response, err error) {
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defer wg.Done()
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callbackCount.Add(1)
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})
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require.NoError(t, err)
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wg.Wait()
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assert.Equal(t, int32(3), callbackCount.Load(), "all callbacks should fire on non-leader node")
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assert.Equal(t, int32(3), webReqCount.Load(), "all HTTP requests should be made on non-leader node")
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})
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t.Run("sendLoop survives leader transitions", func(t *testing.T) {
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var webReqCount atomic.Int32
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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webReqCount.Add(1)
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w.WriteHeader(200)
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resp := Response{}
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b, _ := json.Marshal(&resp)
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_, _ = w.Write(b)
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}))
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defer ts.Close()
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remotes := makeRemoteClusters(3, ts.URL, false)
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mockServer := newLeaderAwareMockServer(t, remotes, true) // start as leader
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mockApp := newMockApp(t, nil)
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service, err := NewRemoteClusterService(mockServer, mockApp)
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require.NoError(t, err)
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service.disablePing = true
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err = service.Start()
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require.NoError(t, err)
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defer func() { require.NoError(t, service.Shutdown()) }()
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// Lose leadership
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mockServer.setLeader(false)
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// Send a message — should still work after losing leadership
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msg := makeRemoteClusterMsg(model.NewId(), NoteContent)
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wg := &sync.WaitGroup{}
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wg.Add(3)
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ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
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defer cancel()
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err = service.BroadcastMsg(ctx, msg, func(msg model.RemoteClusterMsg, remote *model.RemoteCluster, resp *Response, err error) {
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defer wg.Done()
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})
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require.NoError(t, err)
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wg.Wait()
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assert.Equal(t, int32(3), webReqCount.Load(), "sends should work after losing leadership")
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})
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}
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func TestPingLifecycle(t *testing.T) {
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t.Run("pings start on leader, stop on non-leader", func(t *testing.T) {
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mockServer := newLeaderAwareMockServer(t, nil, false)
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mockApp := newMockApp(t, nil)
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service, err := NewRemoteClusterService(mockServer, mockApp)
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require.NoError(t, err)
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err = service.Start()
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require.NoError(t, err)
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defer func() { require.NoError(t, service.Shutdown()) }()
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// Non-leader: pings should not be running
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service.mux.RLock()
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assert.Nil(t, service.pingDone, "pingDone should be nil on non-leader")
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service.mux.RUnlock()
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// Become leader: pings should start
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mockServer.setLeader(true)
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service.mux.RLock()
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assert.NotNil(t, service.pingDone, "pingDone should be set after becoming leader")
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service.mux.RUnlock()
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// Lose leadership: pings should stop
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mockServer.setLeader(false)
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service.mux.RLock()
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assert.Nil(t, service.pingDone, "pingDone should be nil after losing leadership")
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service.mux.RUnlock()
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})
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t.Run("pingStart is idempotent", func(t *testing.T) {
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mockServer := newLeaderAwareMockServer(t, nil, true)
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mockApp := newMockApp(t, nil)
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service, err := NewRemoteClusterService(mockServer, mockApp)
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require.NoError(t, err)
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err = service.Start()
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require.NoError(t, err)
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defer func() { require.NoError(t, service.Shutdown()) }()
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// pingDone should already be set (started as leader)
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service.mux.RLock()
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firstPingDone := service.pingDone
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service.mux.RUnlock()
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require.NotNil(t, firstPingDone)
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// Call pingStart again — should be a no-op, same channel
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service.pingStart()
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service.mux.RLock()
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secondPingDone := service.pingDone
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service.mux.RUnlock()
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assert.Equal(t, firstPingDone, secondPingDone, "pingStart should be idempotent")
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})
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t.Run("pingStop is idempotent", func(t *testing.T) {
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mockServer := newLeaderAwareMockServer(t, nil, false)
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mockApp := newMockApp(t, nil)
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service, err := NewRemoteClusterService(mockServer, mockApp)
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require.NoError(t, err)
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err = service.Start()
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require.NoError(t, err)
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defer func() { require.NoError(t, service.Shutdown()) }()
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// Already non-leader, pingDone is nil
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service.mux.RLock()
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assert.Nil(t, service.pingDone)
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service.mux.RUnlock()
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// Calling pingStop again should not panic
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service.pingStop()
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service.mux.RLock()
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assert.Nil(t, service.pingDone)
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service.mux.RUnlock()
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})
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t.Run("pings fire on leader with real ping loop", func(t *testing.T) {
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var pingCount atomic.Int32
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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pingCount.Add(1)
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w.WriteHeader(200)
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resp := model.RemoteClusterPing{}
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b, _ := json.Marshal(&resp)
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_, _ = w.Write(b)
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}))
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defer ts.Close()
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remotes := makeRemoteClusters(2, ts.URL, false)
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mockServer := newLeaderAwareMockServer(t, remotes, false) // start as non-leader
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mockApp := newMockApp(t, nil)
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service, err := NewRemoteClusterService(mockServer, mockApp)
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require.NoError(t, err)
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service.SetPingFreq(time.Millisecond * 50)
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err = service.Start()
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require.NoError(t, err)
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defer func() { require.NoError(t, service.Shutdown()) }()
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// Non-leader: no pings should be sent
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assert.Never(t, func() bool {
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return pingCount.Load() > 0
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}, time.Millisecond*200, time.Millisecond*50, "no pings should fire on non-leader")
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// Become leader: pings should start firing
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mockServer.setLeader(true)
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assert.Eventually(t, func() bool {
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return pingCount.Load() >= 2
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}, time.Second*5, time.Millisecond*50, "pings should fire after becoming leader")
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// Lose leadership: pings should stop
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mockServer.setLeader(false)
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// Allow in-flight pings to drain, then verify no new pings arrive
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assert.Eventually(t, func() bool {
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snapshot := pingCount.Load()
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time.Sleep(time.Millisecond * 150)
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return pingCount.Load() == snapshot
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}, time.Second*5, time.Millisecond*50, "no new pings should fire after losing leadership")
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})
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}
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