coder/enterprise/tailnet/multiagent_test.go

354 lines
10 KiB
Go

package tailnet_test
import (
"context"
"testing"
"github.com/stretchr/testify/require"
"cdr.dev/slog"
"cdr.dev/slog/sloggers/slogtest"
"github.com/coder/coder/v2/coderd/database/dbtestutil"
"github.com/coder/coder/v2/enterprise/tailnet"
agpl "github.com/coder/coder/v2/tailnet"
"github.com/coder/coder/v2/tailnet/tailnettest"
"github.com/coder/coder/v2/testutil"
)
// TestPGCoordinator_MultiAgent tests a single coordinator with a MultiAgent
// connecting to one agent.
//
// +--------+
// agent1 ---> | coord1 | <--- client
// +--------+
func TestPGCoordinator_MultiAgent(t *testing.T) {
t.Parallel()
if !dbtestutil.WillUsePostgres() {
t.Skip("test only with postgres")
}
logger := slogtest.Make(t, &slogtest.Options{IgnoreErrors: true}).Leveled(slog.LevelDebug)
store, ps := dbtestutil.NewDB(t)
ctx, cancel := context.WithTimeout(context.Background(), testutil.WaitLong)
defer cancel()
coord1, err := tailnet.NewPGCoord(ctx, logger.Named("coord1"), ps, store)
require.NoError(t, err)
defer coord1.Close()
agent1 := newTestAgent(t, coord1, "agent1")
defer agent1.close()
agent1.sendNode(&agpl.Node{PreferredDERP: 5})
ma1 := tailnettest.NewTestMultiAgent(t, coord1)
defer ma1.Close()
ma1.RequireSubscribeAgent(agent1.id)
ma1.RequireEventuallyHasDERPs(ctx, 5)
agent1.sendNode(&agpl.Node{PreferredDERP: 1})
ma1.RequireEventuallyHasDERPs(ctx, 1)
ma1.SendNodeWithDERP(3)
assertEventuallyHasDERPs(ctx, t, agent1, 3)
ma1.Close()
require.NoError(t, agent1.close())
assertEventuallyNoClientsForAgent(ctx, t, store, agent1.id)
assertEventuallyLost(ctx, t, store, agent1.id)
}
func TestPGCoordinator_MultiAgent_CoordClose(t *testing.T) {
t.Parallel()
if !dbtestutil.WillUsePostgres() {
t.Skip("test only with postgres")
}
logger := slogtest.Make(t, &slogtest.Options{IgnoreErrors: true}).Leveled(slog.LevelDebug)
store, ps := dbtestutil.NewDB(t)
ctx, cancel := context.WithTimeout(context.Background(), testutil.WaitLong)
defer cancel()
coord1, err := tailnet.NewPGCoord(ctx, logger.Named("coord1"), ps, store)
require.NoError(t, err)
defer coord1.Close()
ma1 := tailnettest.NewTestMultiAgent(t, coord1)
defer ma1.Close()
err = coord1.Close()
require.NoError(t, err)
ma1.RequireEventuallyClosed(ctx)
}
// TestPGCoordinator_MultiAgent_UnsubscribeRace tests a single coordinator with
// a MultiAgent connecting to one agent. It tries to race a call to Unsubscribe
// with the MultiAgent closing.
//
// +--------+
// agent1 ---> | coord1 | <--- client
// +--------+
func TestPGCoordinator_MultiAgent_UnsubscribeRace(t *testing.T) {
t.Parallel()
if !dbtestutil.WillUsePostgres() {
t.Skip("test only with postgres")
}
logger := slogtest.Make(t, &slogtest.Options{IgnoreErrors: true}).Leveled(slog.LevelDebug)
store, ps := dbtestutil.NewDB(t)
ctx, cancel := context.WithTimeout(context.Background(), testutil.WaitMedium)
defer cancel()
coord1, err := tailnet.NewPGCoord(ctx, logger.Named("coord1"), ps, store)
require.NoError(t, err)
defer coord1.Close()
agent1 := newTestAgent(t, coord1, "agent1")
defer agent1.close()
agent1.sendNode(&agpl.Node{PreferredDERP: 5})
ma1 := tailnettest.NewTestMultiAgent(t, coord1)
defer ma1.Close()
ma1.RequireSubscribeAgent(agent1.id)
ma1.RequireEventuallyHasDERPs(ctx, 5)
agent1.sendNode(&agpl.Node{PreferredDERP: 1})
ma1.RequireEventuallyHasDERPs(ctx, 1)
ma1.SendNodeWithDERP(3)
assertEventuallyHasDERPs(ctx, t, agent1, 3)
ma1.RequireUnsubscribeAgent(agent1.id)
ma1.Close()
require.NoError(t, agent1.close())
assertEventuallyNoClientsForAgent(ctx, t, store, agent1.id)
assertEventuallyLost(ctx, t, store, agent1.id)
}
// TestPGCoordinator_MultiAgent_Unsubscribe tests a single coordinator with a
// MultiAgent connecting to one agent. It unsubscribes before closing, and
// ensures node updates are no longer propagated.
//
// +--------+
// agent1 ---> | coord1 | <--- client
// +--------+
func TestPGCoordinator_MultiAgent_Unsubscribe(t *testing.T) {
t.Parallel()
if !dbtestutil.WillUsePostgres() {
t.Skip("test only with postgres")
}
logger := slogtest.Make(t, &slogtest.Options{IgnoreErrors: true}).Leveled(slog.LevelDebug)
store, ps := dbtestutil.NewDB(t)
ctx, cancel := context.WithTimeout(context.Background(), testutil.WaitLong)
defer cancel()
coord1, err := tailnet.NewPGCoord(ctx, logger.Named("coord1"), ps, store)
require.NoError(t, err)
defer coord1.Close()
agent1 := newTestAgent(t, coord1, "agent1")
defer agent1.close()
agent1.sendNode(&agpl.Node{PreferredDERP: 5})
ma1 := tailnettest.NewTestMultiAgent(t, coord1)
defer ma1.Close()
ma1.RequireSubscribeAgent(agent1.id)
ma1.RequireEventuallyHasDERPs(ctx, 5)
agent1.sendNode(&agpl.Node{PreferredDERP: 1})
ma1.RequireEventuallyHasDERPs(ctx, 1)
ma1.SendNodeWithDERP(3)
assertEventuallyHasDERPs(ctx, t, agent1, 3)
ma1.RequireUnsubscribeAgent(agent1.id)
assertEventuallyNoClientsForAgent(ctx, t, store, agent1.id)
func() {
ctx, cancel := context.WithTimeout(ctx, testutil.IntervalSlow*3)
defer cancel()
ma1.SendNodeWithDERP(9)
assertNeverHasDERPs(ctx, t, agent1, 9)
}()
func() {
ctx, cancel := context.WithTimeout(ctx, testutil.IntervalSlow*3)
defer cancel()
agent1.sendNode(&agpl.Node{PreferredDERP: 8})
ma1.RequireNeverHasDERPs(ctx, 8)
}()
ma1.Close()
require.NoError(t, agent1.close())
assertEventuallyNoClientsForAgent(ctx, t, store, agent1.id)
assertEventuallyLost(ctx, t, store, agent1.id)
}
// TestPGCoordinator_MultiAgent_MultiCoordinator tests two coordinators with a
// MultiAgent connecting to an agent on a separate coordinator.
//
// +--------+
// agent1 ---> | coord1 |
// +--------+
// +--------+
// | coord2 | <--- client
// +--------+
func TestPGCoordinator_MultiAgent_MultiCoordinator(t *testing.T) {
t.Parallel()
if !dbtestutil.WillUsePostgres() {
t.Skip("test only with postgres")
}
logger := slogtest.Make(t, &slogtest.Options{IgnoreErrors: true}).Leveled(slog.LevelDebug)
store, ps := dbtestutil.NewDB(t)
ctx, cancel := context.WithTimeout(context.Background(), testutil.WaitMedium)
defer cancel()
coord1, err := tailnet.NewPGCoord(ctx, logger.Named("coord1"), ps, store)
require.NoError(t, err)
defer coord1.Close()
coord2, err := tailnet.NewPGCoord(ctx, logger.Named("coord2"), ps, store)
require.NoError(t, err)
defer coord2.Close()
agent1 := newTestAgent(t, coord1, "agent1")
defer agent1.close()
agent1.sendNode(&agpl.Node{PreferredDERP: 5})
ma1 := tailnettest.NewTestMultiAgent(t, coord2)
defer ma1.Close()
ma1.RequireSubscribeAgent(agent1.id)
ma1.RequireEventuallyHasDERPs(ctx, 5)
agent1.sendNode(&agpl.Node{PreferredDERP: 1})
ma1.RequireEventuallyHasDERPs(ctx, 1)
ma1.SendNodeWithDERP(3)
assertEventuallyHasDERPs(ctx, t, agent1, 3)
ma1.Close()
require.NoError(t, agent1.close())
assertEventuallyNoClientsForAgent(ctx, t, store, agent1.id)
assertEventuallyLost(ctx, t, store, agent1.id)
}
// TestPGCoordinator_MultiAgent_MultiCoordinator_UpdateBeforeSubscribe tests two
// coordinators with a MultiAgent connecting to an agent on a separate
// coordinator. The MultiAgent updates its own node before subscribing.
//
// +--------+
// agent1 ---> | coord1 |
// +--------+
// +--------+
// | coord2 | <--- client
// +--------+
func TestPGCoordinator_MultiAgent_MultiCoordinator_UpdateBeforeSubscribe(t *testing.T) {
t.Parallel()
if !dbtestutil.WillUsePostgres() {
t.Skip("test only with postgres")
}
logger := slogtest.Make(t, &slogtest.Options{IgnoreErrors: true}).Leveled(slog.LevelDebug)
store, ps := dbtestutil.NewDB(t)
ctx, cancel := context.WithTimeout(context.Background(), testutil.WaitMedium)
defer cancel()
coord1, err := tailnet.NewPGCoord(ctx, logger.Named("coord1"), ps, store)
require.NoError(t, err)
defer coord1.Close()
coord2, err := tailnet.NewPGCoord(ctx, logger.Named("coord2"), ps, store)
require.NoError(t, err)
defer coord2.Close()
agent1 := newTestAgent(t, coord1, "agent1")
defer agent1.close()
agent1.sendNode(&agpl.Node{PreferredDERP: 5})
ma1 := tailnettest.NewTestMultiAgent(t, coord2)
defer ma1.Close()
ma1.SendNodeWithDERP(3)
ma1.RequireSubscribeAgent(agent1.id)
ma1.RequireEventuallyHasDERPs(ctx, 5)
assertEventuallyHasDERPs(ctx, t, agent1, 3)
agent1.sendNode(&agpl.Node{PreferredDERP: 1})
ma1.RequireEventuallyHasDERPs(ctx, 1)
ma1.Close()
require.NoError(t, agent1.close())
assertEventuallyNoClientsForAgent(ctx, t, store, agent1.id)
assertEventuallyLost(ctx, t, store, agent1.id)
}
// TestPGCoordinator_MultiAgent_TwoAgents tests three coordinators with a
// MultiAgent connecting to two agents on separate coordinators.
//
// +--------+
// agent1 ---> | coord1 |
// +--------+
// +--------+
// agent2 ---> | coord2 |
// +--------+
// +--------+
// | coord3 | <--- client
// +--------+
func TestPGCoordinator_MultiAgent_TwoAgents(t *testing.T) {
t.Parallel()
if !dbtestutil.WillUsePostgres() {
t.Skip("test only with postgres")
}
logger := slogtest.Make(t, &slogtest.Options{IgnoreErrors: true}).Leveled(slog.LevelDebug)
store, ps := dbtestutil.NewDB(t)
ctx, cancel := context.WithTimeout(context.Background(), testutil.WaitMedium)
defer cancel()
coord1, err := tailnet.NewPGCoord(ctx, logger.Named("coord1"), ps, store)
require.NoError(t, err)
defer coord1.Close()
coord2, err := tailnet.NewPGCoord(ctx, logger.Named("coord2"), ps, store)
require.NoError(t, err)
defer coord2.Close()
coord3, err := tailnet.NewPGCoord(ctx, logger.Named("coord3"), ps, store)
require.NoError(t, err)
defer coord3.Close()
agent1 := newTestAgent(t, coord1, "agent1")
defer agent1.close()
agent1.sendNode(&agpl.Node{PreferredDERP: 5})
agent2 := newTestAgent(t, coord2, "agent2")
defer agent1.close()
agent2.sendNode(&agpl.Node{PreferredDERP: 6})
ma1 := tailnettest.NewTestMultiAgent(t, coord3)
defer ma1.Close()
ma1.RequireSubscribeAgent(agent1.id)
ma1.RequireEventuallyHasDERPs(ctx, 5)
agent1.sendNode(&agpl.Node{PreferredDERP: 1})
ma1.RequireEventuallyHasDERPs(ctx, 1)
ma1.RequireSubscribeAgent(agent2.id)
ma1.RequireEventuallyHasDERPs(ctx, 6)
agent2.sendNode(&agpl.Node{PreferredDERP: 2})
ma1.RequireEventuallyHasDERPs(ctx, 2)
ma1.SendNodeWithDERP(3)
assertEventuallyHasDERPs(ctx, t, agent1, 3)
assertEventuallyHasDERPs(ctx, t, agent2, 3)
ma1.Close()
require.NoError(t, agent1.close())
require.NoError(t, agent2.close())
assertEventuallyNoClientsForAgent(ctx, t, store, agent1.id)
assertEventuallyLost(ctx, t, store, agent1.id)
}