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// Copyright (C) MongoDB, Inc. 2017-present. // // Licensed under the Apache License, Version 2.0 (the "License"); you may // not use this file except in compliance with the License. You may obtain // a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 //go:build go1.13 // +build go1.13 package integration import ( "context" "errors" "fmt" "testing" "time" "go.mongodb.org/mongo-driver/bson" "go.mongodb.org/mongo-driver/internal/assert" "go.mongodb.org/mongo-driver/internal/eventtest" "go.mongodb.org/mongo-driver/mongo" "go.mongodb.org/mongo-driver/mongo/integration/mtest" "go.mongodb.org/mongo-driver/mongo/options" ) func TestSDAMErrorHandling(t *testing.T) { mt := mtest.New(t, noClientOpts) baseClientOpts := func() *options.ClientOptions { return options.Client(). ApplyURI(mtest.ClusterURI()). SetRetryWrites(false). SetWriteConcern(mtest.MajorityWc) } baseMtOpts := func() *mtest.Options { mtOpts := mtest.NewOptions(). Topologies(mtest.ReplicaSet, mtest.Single). // Don't run on sharded clusters to avoid complexity of sharded failpoints. MinServerVersion("4.0"). // 4.0+ is required to use failpoints on replica sets. ClientOptions(baseClientOpts()) if mtest.ClusterTopologyKind() == mtest.Sharded { // Pin to a single mongos because the tests use failpoints. mtOpts.ClientType(mtest.Pinned) } return mtOpts } // Set min server version of 4.4 because the during-handshake tests use failpoint features introduced in 4.4 like // blockConnection and appName. mt.RunOpts("before handshake completes", baseMtOpts().Auth(true).MinServerVersion("4.4"), func(mt *mtest.T) { mt.RunOpts("network errors", noClientOpts, func(mt *mtest.T) { mt.Run("pool cleared on network timeout", func(mt *mtest.T) { // Assert that the pool is cleared when a connection created by an application // operation thread encounters a timeout caused by socketTimeoutMS during // handshaking. appName := "authConnectTimeoutTest" // Set failpoint on saslContinue instead of saslStart because saslStart isn't done when using // speculative auth. mt.SetFailPoint(mtest.FailPoint{ ConfigureFailPoint: "failCommand", Mode: mtest.FailPointMode{ Times: 1, }, Data: mtest.FailPointData{ FailCommands: []string{"saslContinue"}, BlockConnection: true, BlockTimeMS: 150, AppName: appName, }, }) // Reset the client with the appName specified in the failpoint and the pool monitor. tpm := eventtest.NewTestPoolMonitor() mt.ResetClient(baseClientOpts(). SetAppName(appName). SetPoolMonitor(tpm.PoolMonitor). // Set a 100ms socket timeout so that the saslContinue delay of 150ms causes a // timeout during socket read (i.e. a timeout not caused by the InsertOne context). SetSocketTimeout(100 * time.Millisecond)) // Use context.Background() so that the new connection will not time out due to an // operation-scoped timeout. _, err := mt.Coll.InsertOne(context.Background(), bson.D{{"test", 1}}) assert.NotNil(mt, err, "expected InsertOne error, got nil") assert.True(mt, mongo.IsTimeout(err), "expected timeout error, got %v", err) assert.True(mt, mongo.IsNetworkError(err), "expected network error, got %v", err) // Assert that the pool is cleared within 2 seconds. assert.Soon(mt, func(ctx context.Context) { ticker := time.NewTicker(100 * time.Millisecond) defer ticker.Stop() for { select { case <-ticker.C: case <-ctx.Done(): return } if tpm.IsPoolCleared() { return } } }, 2*time.Second) }) mt.RunOpts("pool cleared on non-timeout network error", noClientOpts, func(mt *mtest.T) { mt.Run("background", func(mt *mtest.T) { // Assert that the pool is cleared when a connection created by the background pool maintenance // routine encounters a non-timeout network error during handshaking. appName := "authNetworkErrorTestBackground" mt.SetFailPoint(mtest.FailPoint{ ConfigureFailPoint: "failCommand", Mode: mtest.FailPointMode{ Times: 1, }, Data: mtest.FailPointData{ FailCommands: []string{"saslContinue"}, CloseConnection: true, AppName: appName, }, }) // Reset the client with the appName specified in the failpoint. tpm := eventtest.NewTestPoolMonitor() mt.ResetClient(baseClientOpts(). SetAppName(appName). SetPoolMonitor(tpm.PoolMonitor). // Set minPoolSize to enable the background pool maintenance goroutine. SetMinPoolSize(5)) // Assert that the pool is cleared within 2 seconds. assert.Soon(mt, func(ctx context.Context) { ticker := time.NewTicker(100 * time.Millisecond) defer ticker.Stop() for { select { case <-ticker.C: case <-ctx.Done(): return } if tpm.IsPoolCleared() { return } } }, 2*time.Second) }) mt.Run("foreground", func(mt *mtest.T) { // Assert that the pool is cleared when a connection created by an application thread connection // checkout encounters a non-timeout network error during handshaking. appName := "authNetworkErrorTestForeground" mt.SetFailPoint(mtest.FailPoint{ ConfigureFailPoint: "failCommand", Mode: mtest.FailPointMode{ Times: 1, }, Data: mtest.FailPointData{ FailCommands: []string{"saslContinue"}, CloseConnection: true, AppName: appName, }, }) // Reset the client with the appName specified in the failpoint. tpm := eventtest.NewTestPoolMonitor() mt.ResetClient(baseClientOpts().SetAppName(appName).SetPoolMonitor(tpm.PoolMonitor)) _, err := mt.Coll.InsertOne(context.Background(), bson.D{{"x", 1}}) assert.NotNil(mt, err, "expected InsertOne error, got nil") assert.False(mt, mongo.IsTimeout(err), "expected non-timeout error, got %v", err) // Assert that the pool is cleared within 2 seconds. assert.Soon(mt, func(ctx context.Context) { ticker := time.NewTicker(100 * time.Millisecond) defer ticker.Stop() for { select { case <-ticker.C: case <-ctx.Done(): return } if tpm.IsPoolCleared() { return } } }, 2*time.Second) }) }) }) }) mt.RunOpts("after handshake completes", baseMtOpts(), func(mt *mtest.T) { mt.RunOpts("network errors", noClientOpts, func(mt *mtest.T) { mt.Run("pool cleared on non-timeout network error", func(mt *mtest.T) { appName := "afterHandshakeNetworkError" mt.SetFailPoint(mtest.FailPoint{ ConfigureFailPoint: "failCommand", Mode: mtest.FailPointMode{ Times: 1, }, Data: mtest.FailPointData{ FailCommands: []string{"insert"}, CloseConnection: true, AppName: appName, }, }) // Reset the client with the appName specified in the failpoint. tpm := eventtest.NewTestPoolMonitor() mt.ResetClient(baseClientOpts().SetAppName(appName).SetPoolMonitor(tpm.PoolMonitor)) _, err := mt.Coll.InsertOne(context.Background(), bson.D{{"test", 1}}) assert.NotNil(mt, err, "expected InsertOne error, got nil") assert.False(mt, mongo.IsTimeout(err), "expected non-timeout error, got %v", err) assert.True(mt, tpm.IsPoolCleared(), "expected pool to be cleared but was not") }) mt.Run("pool not cleared on timeout network error", func(mt *mtest.T) { tpm := eventtest.NewTestPoolMonitor() mt.ResetClient(baseClientOpts().SetPoolMonitor(tpm.PoolMonitor)) _, err := mt.Coll.InsertOne(context.Background(), bson.D{{"x", 1}}) assert.Nil(mt, err, "InsertOne error: %v", err) filter := bson.M{ "$where": "function() { sleep(1000); return false; }", } timeoutCtx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond) defer cancel() _, err = mt.Coll.Find(timeoutCtx, filter) assert.NotNil(mt, err, "expected Find error, got %v", err) assert.True(mt, mongo.IsTimeout(err), "expected timeout error, got %v", err) assert.False(mt, tpm.IsPoolCleared(), "expected pool to not be cleared but was") }) mt.Run("pool not cleared on context cancellation", func(mt *mtest.T) { tpm := eventtest.NewTestPoolMonitor() mt.ResetClient(baseClientOpts().SetPoolMonitor(tpm.PoolMonitor)) _, err := mt.Coll.InsertOne(context.Background(), bson.D{{"x", 1}}) assert.Nil(mt, err, "InsertOne error: %v", err) findCtx, cancel := context.WithCancel(context.Background()) go func() { time.Sleep(100 * time.Millisecond) cancel() }() filter := bson.M{ "$where": "function() { sleep(1000); return false; }", } _, err = mt.Coll.Find(findCtx, filter) assert.NotNil(mt, err, "expected Find error, got nil") assert.False(mt, mongo.IsTimeout(err), "expected non-timeout error, got %v", err) assert.True(mt, mongo.IsNetworkError(err), "expected network error, got %v", err) assert.True(mt, errors.Is(err, context.Canceled), "expected error %v to be context.Canceled", err) assert.False(mt, tpm.IsPoolCleared(), "expected pool to not be cleared but was") }) }) mt.RunOpts("server errors", noClientOpts, func(mt *mtest.T) { // Integration tests for the SDAM error handling code path for errors in server response documents. These // errors can be part of the top-level document in ok:0 responses or in a nested writeConcernError document. // On 4.4, some state change errors include a topologyVersion field. Because we're triggering these errors // via failCommand, the topologyVersion does not actually change as it would in an actual state change. // This causes the SDAM error handling code path to think we've already handled this state change and // ignore the error because it's stale. To avoid this altogether, we cap the test to <= 4.2. serverErrorsMtOpts := baseMtOpts(). MinServerVersion("4.0"). // failCommand support MaxServerVersion("4.2"). ClientOptions(baseClientOpts().SetRetryWrites(false)) testCases := []struct { name string errorCode int32 // For shutdown errors, the pool is always cleared. For non-shutdown errors, the pool is only cleared // for pre-4.2 servers. isShutdownError bool }{ // "node is recovering" errors {"InterruptedAtShutdown", 11600, true}, {"InterruptedDueToReplStateChange, not shutdown", 11602, false}, {"NotPrimaryOrSecondary", 13436, false}, {"PrimarySteppedDown", 189, false}, {"ShutdownInProgress", 91, true}, // "not primary" errors {"NotPrimary", 10107, false}, {"NotPrimaryNoSecondaryOk", 13435, false}, } for _, tc := range testCases { mt.RunOpts(fmt.Sprintf("command error - %s", tc.name), serverErrorsMtOpts, func(mt *mtest.T) { appName := fmt.Sprintf("command_error_%s", tc.name) // Cause the next insert to fail with an ok:0 response. mt.SetFailPoint(mtest.FailPoint{ ConfigureFailPoint: "failCommand", Mode: mtest.FailPointMode{ Times: 1, }, Data: mtest.FailPointData{ FailCommands: []string{"insert"}, ErrorCode: tc.errorCode, AppName: appName, }, }) // Reset the client with the appName specified in the failpoint. tpm := eventtest.NewTestPoolMonitor() mt.ResetClient(baseClientOpts().SetAppName(appName).SetPoolMonitor(tpm.PoolMonitor)) runServerErrorsTest(mt, tc.isShutdownError, tpm) }) mt.RunOpts(fmt.Sprintf("write concern error - %s", tc.name), serverErrorsMtOpts, func(mt *mtest.T) { appName := fmt.Sprintf("write_concern_error_%s", tc.name) // Cause the next insert to fail with a write concern error. mt.SetFailPoint(mtest.FailPoint{ ConfigureFailPoint: "failCommand", Mode: mtest.FailPointMode{ Times: 1, }, Data: mtest.FailPointData{ FailCommands: []string{"insert"}, WriteConcernError: &mtest.WriteConcernErrorData{ Code: tc.errorCode, }, AppName: appName, }, }) // Reset the client with the appName specified in the failpoint. tpm := eventtest.NewTestPoolMonitor() mt.ResetClient(baseClientOpts().SetAppName(appName).SetPoolMonitor(tpm.PoolMonitor)) runServerErrorsTest(mt, tc.isShutdownError, tpm) }) } }) }) } func runServerErrorsTest(mt *mtest.T, isShutdownError bool, tpm *eventtest.TestPoolMonitor) { mt.Helper() _, err := mt.Coll.InsertOne(context.Background(), bson.D{{"x", 1}}) assert.NotNil(mt, err, "expected InsertOne error, got nil") // The pool should always be cleared for shutdown errors, regardless of server version. if isShutdownError { assert.True(mt, tpm.IsPoolCleared(), "expected pool to be cleared, but was not") return } // For non-shutdown errors, the pool is only cleared if the error is from a pre-4.2 server. wantCleared := mtest.CompareServerVersions(mtest.ServerVersion(), "4.2") < 0 gotCleared := tpm.IsPoolCleared() assert.Equal(mt, wantCleared, gotCleared, "expected pool to be cleared: %t; pool was cleared: %t", wantCleared, gotCleared) }