release-20.2: server: add diagnostics support for tenants

pkg/base/test_server_args.go

@@ -216,11 +216,10 @@ type TestTenantArgs struct {
 	// cluster settings.
 	AllowSettingClusterSettings bool
 
-	// TenantIDCodecOverride overrides the tenant ID used to construct the SQL
-	// server's codec, but nothing else (e.g. its certs). Used for testing.
-	TenantIDCodecOverride roachpb.TenantID
-
 	// Stopper, if not nil, is used to stop the tenant manually otherwise the
 	// TestServer stopper will be used.
 	Stopper *stop.Stopper
+
+	// TestingKnobs for the test server.
+	TestingKnobs TestingKnobs
 }

pkg/ccl/backupccl/backup_test.go

@@ -3465,7 +3465,7 @@ func TestBackupTenantsWithRevisionHistory(t *testing.T) {
 	ctx, tc, sqlDB, _, cleanupFn := BackupRestoreTestSetup(t, singleNode, numAccounts, InitNone)
 	defer cleanupFn()
 
-	_, _, err := tc.Servers[0].StartTenant(base.TestTenantArgs{TenantID: roachpb.MakeTenantID(10)})
+	_, err := tc.Servers[0].StartTenant(base.TestTenantArgs{TenantID: roachpb.MakeTenantID(10)})
 	require.NoError(t, err)
 
 	const msg = "can not backup tenants with revision history"
@@ -5819,17 +5819,17 @@ func TestBackupRestoreTenant(t *testing.T) {
 	_ = security.EmbeddedTenantIDs()
 
 	// Setup a few tenants, each with a different table.
-	conn10 := serverutils.StartTenant(t, srv, base.TestTenantArgs{TenantID: roachpb.MakeTenantID(10)})
+	_, conn10 := serverutils.StartTenant(t, srv, base.TestTenantArgs{TenantID: roachpb.MakeTenantID(10)})
 	defer conn10.Close()
 	tenant10 := sqlutils.MakeSQLRunner(conn10)
 	tenant10.Exec(t, `CREATE DATABASE foo; CREATE TABLE foo.bar(i int primary key); INSERT INTO foo.bar VALUES (110), (210)`)
 
-	conn11 := serverutils.StartTenant(t, srv, base.TestTenantArgs{TenantID: roachpb.MakeTenantID(11)})
+	_, conn11 := serverutils.StartTenant(t, srv, base.TestTenantArgs{TenantID: roachpb.MakeTenantID(11)})
 	defer conn11.Close()
 	tenant11 := sqlutils.MakeSQLRunner(conn11)
 	tenant11.Exec(t, `CREATE DATABASE foo; CREATE TABLE foo.baz(i int primary key); INSERT INTO foo.baz VALUES (111), (211)`)
 
-	conn20 := serverutils.StartTenant(t, srv, base.TestTenantArgs{TenantID: roachpb.MakeTenantID(20)})
+	_, conn20 := serverutils.StartTenant(t, srv, base.TestTenantArgs{TenantID: roachpb.MakeTenantID(20)})
 	defer conn20.Close()
 	tenant20 := sqlutils.MakeSQLRunner(conn20)
 	tenant20.Exec(t, `CREATE DATABASE foo; CREATE TABLE foo.qux(i int primary key); INSERT INTO foo.qux VALUES (120), (220)`)
@@ -5881,7 +5881,7 @@ func TestBackupRestoreTenant(t *testing.T) {
 		)
 
 		ten10Stopper := stop.NewStopper()
-		restoreConn10 := serverutils.StartTenant(
+		_, restoreConn10 := serverutils.StartTenant(
 			t, restoreTC.Server(0), base.TestTenantArgs{
 				TenantID: roachpb.MakeTenantID(10), Existing: true, Stopper: ten10Stopper,
 			},
@@ -5914,7 +5914,7 @@ func TestBackupRestoreTenant(t *testing.T) {
 			[][]string{{`10`, `true`, `{"id": "10", "state": "ACTIVE"}`}},
 		)
 
-		restoreConn10 = serverutils.StartTenant(
+		_, restoreConn10 = serverutils.StartTenant(
 			t, restoreTC.Server(0), base.TestTenantArgs{TenantID: roachpb.MakeTenantID(10), Existing: true},
 		)
 		defer restoreConn10.Close()
@@ -5938,7 +5938,7 @@ func TestBackupRestoreTenant(t *testing.T) {
 			[][]string{{`10`, `true`, `{"id": "10", "state": "ACTIVE"}`}},
 		)
 
-		restoreConn10 := serverutils.StartTenant(
+		_, restoreConn10 := serverutils.StartTenant(
 			t, restoreTC.Server(0), base.TestTenantArgs{TenantID: roachpb.MakeTenantID(10), Existing: true},
 		)
 		defer restoreConn10.Close()
@@ -5967,7 +5967,7 @@ func TestBackupRestoreTenant(t *testing.T) {
 			},
 		)
 
-		restoreConn10 := serverutils.StartTenant(
+		_, restoreConn10 := serverutils.StartTenant(
 			t, restoreTC.Server(0), base.TestTenantArgs{TenantID: roachpb.MakeTenantID(10), Existing: true},
 		)
 		defer restoreConn10.Close()
@@ -5976,7 +5976,7 @@ func TestBackupRestoreTenant(t *testing.T) {
 		restoreTenant10.CheckQueryResults(t, `select * from foo.bar`, tenant10.QueryStr(t, `select * from foo.bar`))
 		restoreTenant10.CheckQueryResults(t, `select * from foo.bar2`, tenant10.QueryStr(t, `select * from foo.bar2`))
 
-		restoreConn11 := serverutils.StartTenant(
+		_, restoreConn11 := serverutils.StartTenant(
 			t, restoreTC.Server(0), base.TestTenantArgs{TenantID: roachpb.MakeTenantID(11), Existing: true},
 		)
 		defer restoreConn11.Close()
@@ -5994,7 +5994,7 @@ func TestBackupRestoreTenant(t *testing.T) {
 
 		restoreDB.Exec(t, `RESTORE TENANT 10 FROM 'nodelocal://1/t10' AS OF SYSTEM TIME `+ts1)
 
-		restoreConn10 := serverutils.StartTenant(
+		_, restoreConn10 := serverutils.StartTenant(
 			t, restoreTC.Server(0), base.TestTenantArgs{TenantID: roachpb.MakeTenantID(10), Existing: true},
 		)
 		defer restoreConn10.Close()
@@ -6012,7 +6012,7 @@ func TestBackupRestoreTenant(t *testing.T) {
 
 		restoreDB.Exec(t, `RESTORE TENANT 20 FROM 'nodelocal://1/t20'`)
 
-		restoreConn20 := serverutils.StartTenant(
+		_, restoreConn20 := serverutils.StartTenant(
 			t, restoreTC.Server(0), base.TestTenantArgs{TenantID: roachpb.MakeTenantID(20), Existing: true},
 		)
 		defer restoreConn20.Close()

pkg/ccl/backupccl/show_test.go

@@ -418,7 +418,7 @@ func TestShowBackupTenants(t *testing.T) {
 	// NB: tenant certs for 10, 11, 20 are embedded. See:
 	_ = security.EmbeddedTenantIDs()
 
-	conn10 := serverutils.StartTenant(t, srv, base.TestTenantArgs{TenantID: roachpb.MakeTenantID(10)})
+	_, conn10 := serverutils.StartTenant(t, srv, base.TestTenantArgs{TenantID: roachpb.MakeTenantID(10)})
 	defer conn10.Close()
 	tenant10 := sqlutils.MakeSQLRunner(conn10)
 	tenant10.Exec(t, `CREATE DATABASE foo; CREATE TABLE foo.bar(i int primary key); INSERT INTO foo.bar VALUES (110), (210)`)

pkg/ccl/serverccl/server_sql_test.go

@@ -18,6 +18,7 @@ import (
 	"github.com/cockroachdb/cockroach/pkg/base"
 	"github.com/cockroachdb/cockroach/pkg/roachpb"
 	"github.com/cockroachdb/cockroach/pkg/security"
+	"github.com/cockroachdb/cockroach/pkg/sql"
 	"github.com/cockroachdb/cockroach/pkg/sql/pgwire/pgcode"
 	"github.com/cockroachdb/cockroach/pkg/testutils/serverutils"
 	"github.com/cockroachdb/cockroach/pkg/testutils/sqlutils"
@@ -46,7 +47,7 @@ func TestSQLServer(t *testing.T) {
 	tc := serverutils.StartNewTestCluster(t, 3, base.TestClusterArgs{})
 	defer tc.Stopper().Stop(ctx)
 
-	db := serverutils.StartTenant(
+	_, db := serverutils.StartTenant(
 		t,
 		tc.Server(0),
 		base.TestTenantArgs{TenantID: roachpb.MakeTenantID(security.EmbeddedTenantIDs()[0])},
@@ -72,7 +73,7 @@ func TestTenantCannotSetClusterSetting(t *testing.T) {
 	defer tc.Stopper().Stop(ctx)
 
 	// StartTenant with the default permissions to
-	db := serverutils.StartTenant(t, tc.Server(0), base.TestTenantArgs{TenantID: roachpb.MakeTenantID(10), AllowSettingClusterSettings: false})
+	_, db := serverutils.StartTenant(t, tc.Server(0), base.TestTenantArgs{TenantID: roachpb.MakeTenantID(10), AllowSettingClusterSettings: false})
 	defer db.Close()
 	_, err := db.Exec(`SET CLUSTER SETTING sql.defaults.vectorize=off`)
 	var pqErr *pq.Error
@@ -89,10 +90,14 @@ func TestTenantUnauthenticatedAccess(t *testing.T) {
 	tc := serverutils.StartNewTestCluster(t, 1, base.TestClusterArgs{})
 	defer tc.Stopper().Stop(ctx)
 
-	_, _, err := tc.Server(0).StartTenant(base.TestTenantArgs{
+	_, err := tc.Server(0).StartTenant(base.TestTenantArgs{
 		TenantID: roachpb.MakeTenantID(security.EmbeddedTenantIDs()[0]),
-		// Configure the SQL server to access the wrong tenant keyspace.
-		TenantIDCodecOverride: roachpb.MakeTenantID(security.EmbeddedTenantIDs()[1]),
+		TestingKnobs: base.TestingKnobs{
+			TenantTestingKnobs: &sql.TenantTestingKnobs{
+				// Configure the SQL server to access the wrong tenant keyspace.
+				TenantIDCodecOverride: roachpb.MakeTenantID(security.EmbeddedTenantIDs()[1]),
+			},
+		},
 	})
 	require.Error(t, err)
 	require.Regexp(t, `Unauthenticated desc = requested key /Tenant/11/System/"system-version/" not fully contained in tenant keyspace /Tenant/1{0-1}`, err)
@@ -107,12 +112,12 @@ func TestTenantHTTP(t *testing.T) {
 	tc := serverutils.StartNewTestCluster(t, 1, base.TestClusterArgs{})
 	defer tc.Stopper().Stop(ctx)
 
-	_, httpAddr, err := tc.Server(0).StartTenant(base.TestTenantArgs{
+	tenant, err := tc.Server(0).StartTenant(base.TestTenantArgs{
 		TenantID: roachpb.MakeTenantID(security.EmbeddedTenantIDs()[0]),
 	})
 	require.NoError(t, err)
 	t.Run("prometheus", func(t *testing.T) {
-		resp, err := httputil.Get(ctx, "http://"+httpAddr+"/_status/vars")
+		resp, err := httputil.Get(ctx, "http://"+tenant.HTTPAddr()+"/_status/vars")
 		defer http.DefaultClient.CloseIdleConnections()
 		require.NoError(t, err)
 		defer resp.Body.Close()
@@ -121,7 +126,7 @@ func TestTenantHTTP(t *testing.T) {
 		require.Contains(t, string(body), "sql_ddl_started_count_internal")
 	})
 	t.Run("pprof", func(t *testing.T) {
-		resp, err := httputil.Get(ctx, "http://"+httpAddr+"/debug/pprof/goroutine?debug=2")
+		resp, err := httputil.Get(ctx, "http://"+tenant.HTTPAddr()+"/debug/pprof/goroutine?debug=2")
 		defer http.DefaultClient.CloseIdleConnections()
 		require.NoError(t, err)
 		defer resp.Body.Close()

pkg/cli/mt_start_sql.go

@@ -18,6 +18,7 @@ import (
 	"github.com/cockroachdb/cockroach/pkg/base"
 	"github.com/cockroachdb/cockroach/pkg/clusterversion"
 	"github.com/cockroachdb/cockroach/pkg/server"
+	"github.com/cockroachdb/cockroach/pkg/settings/cluster"
 	"github.com/cockroachdb/cockroach/pkg/util/log"
 	"github.com/cockroachdb/errors"
 	"github.com/spf13/cobra"
@@ -97,7 +98,7 @@ func runStartSQL(cmd *cobra.Command, args []string) error {
 		tempStorageMaxSizeBytes,
 	)
 
-	addr, httpAddr, err := server.StartTenant(
+	sqlServer, addr, httpAddr, err := server.StartTenant(
 		ctx,
 		stopper,
 		clusterName,
@@ -107,6 +108,14 @@ func runStartSQL(cmd *cobra.Command, args []string) error {
 	if err != nil {
 		return err
 	}
+
+	// Start up the diagnostics reporting loop.
+	// We don't do this in (*server.SQLServer).start() because we don't
+	// want this overhead and possible interference in tests.
+	if !cluster.TelemetryOptOut() {
+		sqlServer.StartDiagnostics(ctx)
+	}
+
 	log.Infof(ctx, "SQL server for tenant %s listening at %s, http at %s", serverCfg.SQLConfig.TenantID, addr, httpAddr)
 
 	// TODO(tbg): make the other goodies in `./cockroach start` reusable, such as

pkg/server/config.go

@@ -334,12 +334,6 @@ type SQLConfig struct {
 	//
 	// Only applies when the SQL server is deployed individually.
 	TenantKVAddrs []string
-
-	// TenantIDCodecOverride overrides the tenant ID used to construct the SQL
-	// server's codec, but nothing else (e.g. its certs). Used for testing.
-	//
-	// Only applies when the SQL server is deployed individually.
-	TenantIDCodecOverride roachpb.TenantID
 }
 
 // MakeSQLConfig returns a SQLConfig with default values.

pkg/server/diagnostics/main_test.go

@@ -0,0 +1,27 @@
+// Copyright 2015 The Cockroach Authors.
+//
+// Use of this software is governed by the Business Source License
+// included in the file licenses/BSL.txt.
+//
+// As of the Change Date specified in that file, in accordance with
+// the Business Source License, use of this software will be governed
+// by the Apache License, Version 2.0, included in the file
+// licenses/APL.txt.
+
+package diagnostics_test
+
+import (
+	"os"
+	"testing"
+
+	"github.com/cockroachdb/cockroach/pkg/security"
+	"github.com/cockroachdb/cockroach/pkg/security/securitytest"
+	"github.com/cockroachdb/cockroach/pkg/server"
+	"github.com/cockroachdb/cockroach/pkg/testutils/serverutils"
+)
+
+func TestMain(m *testing.M) {
+	security.SetAssetLoader(securitytest.EmbeddedAssets)
+	serverutils.InitTestServerFactory(server.TestServerFactory)
+	os.Exit(m.Run())
+}