454 lines
11 KiB
Go
454 lines
11 KiB
Go
package consul
|
|
|
|
import (
|
|
"errors"
|
|
"testing"
|
|
"time"
|
|
|
|
memdb "github.com/hashicorp/go-memdb"
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
|
|
"github.com/hashicorp/consul/agent/consul/state"
|
|
"github.com/hashicorp/consul/agent/structs"
|
|
"github.com/hashicorp/consul/api"
|
|
"github.com/hashicorp/consul/sdk/testutil"
|
|
)
|
|
|
|
func TestGatewayLocator(t *testing.T) {
|
|
state := state.NewStateStore(nil)
|
|
|
|
serverRoles := []string{"leader", "follower"}
|
|
now := time.Now().UTC()
|
|
|
|
dc1 := &structs.FederationState{
|
|
Datacenter: "dc1",
|
|
MeshGateways: []structs.CheckServiceNode{
|
|
newTestMeshGatewayNode(
|
|
"dc1", "gateway1", "1.2.3.4", 5555, map[string]string{structs.MetaWANFederationKey: "1"}, api.HealthPassing,
|
|
),
|
|
newTestMeshGatewayNode(
|
|
"dc1", "gateway2", "4.3.2.1", 9999, map[string]string{structs.MetaWANFederationKey: "1"}, api.HealthPassing,
|
|
),
|
|
},
|
|
UpdatedAt: time.Now().UTC(),
|
|
}
|
|
dc2 := &structs.FederationState{
|
|
Datacenter: "dc2",
|
|
MeshGateways: []structs.CheckServiceNode{
|
|
newTestMeshGatewayNode(
|
|
"dc2", "gateway1", "5.6.7.8", 5555, map[string]string{structs.MetaWANFederationKey: "1"}, api.HealthPassing,
|
|
),
|
|
newTestMeshGatewayNode(
|
|
"dc2", "gateway2", "8.7.6.5", 9999, map[string]string{structs.MetaWANFederationKey: "1"}, api.HealthPassing,
|
|
),
|
|
},
|
|
UpdatedAt: time.Now().UTC(),
|
|
}
|
|
|
|
t.Run("primary - no data", func(t *testing.T) {
|
|
for _, role := range serverRoles {
|
|
t.Run(role, func(t *testing.T) {
|
|
isLeader := role == "leader"
|
|
|
|
logger := testutil.Logger(t)
|
|
tsd := &testServerDelegate{State: state, isLeader: isLeader}
|
|
if !isLeader {
|
|
tsd.lastContact = now
|
|
}
|
|
g := NewGatewayLocator(
|
|
logger,
|
|
tsd,
|
|
"dc1",
|
|
"dc1",
|
|
)
|
|
g.SetUseReplicationSignal(isLeader)
|
|
|
|
idx, err := g.runOnce(0)
|
|
require.NoError(t, err)
|
|
assert.False(t, g.DialPrimaryThroughLocalGateway())
|
|
assert.Equal(t, uint64(1), idx)
|
|
assert.Len(t, tsd.Calls, 1)
|
|
assert.Equal(t, []string(nil), g.listGateways(false))
|
|
assert.Equal(t, []string(nil), g.listGateways(true))
|
|
})
|
|
}
|
|
})
|
|
|
|
t.Run("secondary - no data", func(t *testing.T) {
|
|
for _, role := range serverRoles {
|
|
t.Run(role, func(t *testing.T) {
|
|
isLeader := role == "leader"
|
|
|
|
logger := testutil.Logger(t)
|
|
tsd := &testServerDelegate{State: state, isLeader: isLeader}
|
|
if !isLeader {
|
|
tsd.lastContact = now
|
|
}
|
|
g := NewGatewayLocator(
|
|
logger,
|
|
tsd,
|
|
"dc2",
|
|
"dc1",
|
|
)
|
|
g.SetUseReplicationSignal(isLeader)
|
|
|
|
idx, err := g.runOnce(0)
|
|
require.NoError(t, err)
|
|
if isLeader {
|
|
assert.False(t, g.DialPrimaryThroughLocalGateway())
|
|
} else {
|
|
assert.True(t, g.DialPrimaryThroughLocalGateway())
|
|
}
|
|
assert.Equal(t, uint64(1), idx)
|
|
assert.Len(t, tsd.Calls, 1)
|
|
assert.Equal(t, []string(nil), g.listGateways(false))
|
|
assert.Equal(t, []string(nil), g.listGateways(true))
|
|
})
|
|
}
|
|
})
|
|
|
|
t.Run("secondary - just fallback", func(t *testing.T) {
|
|
for _, role := range serverRoles {
|
|
t.Run(role, func(t *testing.T) {
|
|
isLeader := role == "leader"
|
|
|
|
logger := testutil.Logger(t)
|
|
tsd := &testServerDelegate{State: state, isLeader: isLeader}
|
|
if !isLeader {
|
|
tsd.lastContact = now
|
|
}
|
|
g := NewGatewayLocator(
|
|
logger,
|
|
tsd,
|
|
"dc2",
|
|
"dc1",
|
|
)
|
|
g.SetUseReplicationSignal(isLeader)
|
|
g.RefreshPrimaryGatewayFallbackAddresses([]string{
|
|
"7.7.7.7:7777",
|
|
"8.8.8.8:8888",
|
|
})
|
|
|
|
idx, err := g.runOnce(0)
|
|
require.NoError(t, err)
|
|
if isLeader {
|
|
assert.False(t, g.DialPrimaryThroughLocalGateway())
|
|
} else {
|
|
assert.True(t, g.DialPrimaryThroughLocalGateway())
|
|
}
|
|
assert.Equal(t, uint64(1), idx)
|
|
assert.Len(t, tsd.Calls, 1)
|
|
assert.Equal(t, []string(nil), g.listGateways(false))
|
|
assert.Equal(t, []string{
|
|
"7.7.7.7:7777",
|
|
"8.8.8.8:8888",
|
|
}, g.listGateways(true))
|
|
})
|
|
}
|
|
})
|
|
|
|
// Insert data for the dcs
|
|
require.NoError(t, state.FederationStateSet(1, dc1))
|
|
require.NoError(t, state.FederationStateSet(2, dc2))
|
|
|
|
t.Run("primary - with data", func(t *testing.T) {
|
|
for _, role := range serverRoles {
|
|
t.Run(role, func(t *testing.T) {
|
|
isLeader := role == "leader"
|
|
|
|
logger := testutil.Logger(t)
|
|
tsd := &testServerDelegate{State: state, isLeader: isLeader}
|
|
if !isLeader {
|
|
tsd.lastContact = now
|
|
}
|
|
g := NewGatewayLocator(
|
|
logger,
|
|
tsd,
|
|
"dc1",
|
|
"dc1",
|
|
)
|
|
g.SetUseReplicationSignal(isLeader)
|
|
|
|
idx, err := g.runOnce(0)
|
|
require.NoError(t, err)
|
|
assert.False(t, g.DialPrimaryThroughLocalGateway())
|
|
assert.Equal(t, uint64(2), idx)
|
|
assert.Len(t, tsd.Calls, 1)
|
|
assert.Equal(t, []string{
|
|
"1.2.3.4:5555",
|
|
"4.3.2.1:9999",
|
|
}, g.listGateways(false))
|
|
assert.Equal(t, []string{
|
|
"1.2.3.4:5555",
|
|
"4.3.2.1:9999",
|
|
}, g.listGateways(true))
|
|
})
|
|
}
|
|
})
|
|
|
|
t.Run("secondary - with data", func(t *testing.T) {
|
|
for _, role := range serverRoles {
|
|
t.Run(role, func(t *testing.T) {
|
|
isLeader := role == "leader"
|
|
|
|
logger := testutil.Logger(t)
|
|
tsd := &testServerDelegate{State: state, isLeader: isLeader}
|
|
if !isLeader {
|
|
tsd.lastContact = now
|
|
}
|
|
g := NewGatewayLocator(
|
|
logger,
|
|
tsd,
|
|
"dc2",
|
|
"dc1",
|
|
)
|
|
g.SetUseReplicationSignal(isLeader)
|
|
|
|
idx, err := g.runOnce(0)
|
|
require.NoError(t, err)
|
|
if isLeader {
|
|
assert.False(t, g.DialPrimaryThroughLocalGateway())
|
|
} else {
|
|
assert.True(t, g.DialPrimaryThroughLocalGateway())
|
|
}
|
|
assert.Equal(t, uint64(2), idx)
|
|
assert.Len(t, tsd.Calls, 1)
|
|
assert.Equal(t, []string{
|
|
"5.6.7.8:5555",
|
|
"8.7.6.5:9999",
|
|
}, g.listGateways(false))
|
|
if isLeader {
|
|
assert.Equal(t, []string{
|
|
"1.2.3.4:5555",
|
|
"4.3.2.1:9999",
|
|
}, g.listGateways(true))
|
|
} else {
|
|
assert.Equal(t, []string{
|
|
"5.6.7.8:5555",
|
|
"8.7.6.5:9999",
|
|
}, g.listGateways(true))
|
|
}
|
|
})
|
|
}
|
|
})
|
|
|
|
t.Run("secondary - with data and fallback - no repl", func(t *testing.T) {
|
|
// Only run for the leader.
|
|
logger := testutil.Logger(t)
|
|
tsd := &testServerDelegate{State: state, isLeader: true}
|
|
g := NewGatewayLocator(
|
|
logger,
|
|
tsd,
|
|
"dc2",
|
|
"dc1",
|
|
)
|
|
g.SetUseReplicationSignal(true)
|
|
|
|
g.RefreshPrimaryGatewayFallbackAddresses([]string{
|
|
"7.7.7.7:7777",
|
|
"8.8.8.8:8888",
|
|
})
|
|
|
|
idx, err := g.runOnce(0)
|
|
require.NoError(t, err)
|
|
assert.False(t, g.DialPrimaryThroughLocalGateway())
|
|
assert.Equal(t, uint64(2), idx)
|
|
assert.Len(t, tsd.Calls, 1)
|
|
assert.Equal(t, []string{
|
|
"5.6.7.8:5555",
|
|
"8.7.6.5:9999",
|
|
}, g.listGateways(false))
|
|
assert.Equal(t, []string{
|
|
"1.2.3.4:5555",
|
|
"4.3.2.1:9999",
|
|
"7.7.7.7:7777",
|
|
"8.8.8.8:8888",
|
|
}, g.listGateways(true))
|
|
})
|
|
|
|
t.Run("secondary - with data and fallback - repl ok", func(t *testing.T) {
|
|
// Only run for the leader.
|
|
logger := testutil.Logger(t)
|
|
tsd := &testServerDelegate{State: state, isLeader: true}
|
|
g := NewGatewayLocator(
|
|
logger,
|
|
tsd,
|
|
"dc2",
|
|
"dc1",
|
|
)
|
|
g.SetUseReplicationSignal(true)
|
|
|
|
g.RefreshPrimaryGatewayFallbackAddresses([]string{
|
|
"7.7.7.7:7777",
|
|
"8.8.8.8:8888",
|
|
})
|
|
|
|
g.SetLastFederationStateReplicationError(nil, true)
|
|
|
|
idx, err := g.runOnce(0)
|
|
require.NoError(t, err)
|
|
assert.True(t, g.DialPrimaryThroughLocalGateway())
|
|
assert.Equal(t, uint64(2), idx)
|
|
assert.Len(t, tsd.Calls, 1)
|
|
assert.Equal(t, []string{
|
|
"5.6.7.8:5555",
|
|
"8.7.6.5:9999",
|
|
}, g.listGateways(false))
|
|
assert.Equal(t, []string{
|
|
"5.6.7.8:5555",
|
|
"8.7.6.5:9999",
|
|
}, g.listGateways(true))
|
|
})
|
|
|
|
t.Run("secondary - with data and fallback - repl ok then failed 2 times", func(t *testing.T) {
|
|
// Only run for the leader.
|
|
logger := testutil.Logger(t)
|
|
tsd := &testServerDelegate{State: state, isLeader: true}
|
|
g := NewGatewayLocator(
|
|
logger,
|
|
tsd,
|
|
"dc2",
|
|
"dc1",
|
|
)
|
|
g.SetUseReplicationSignal(true)
|
|
|
|
g.RefreshPrimaryGatewayFallbackAddresses([]string{
|
|
"7.7.7.7:7777",
|
|
"8.8.8.8:8888",
|
|
})
|
|
|
|
g.SetLastFederationStateReplicationError(nil, true)
|
|
g.SetLastFederationStateReplicationError(errors.New("fake"), true)
|
|
g.SetLastFederationStateReplicationError(errors.New("fake"), true)
|
|
|
|
idx, err := g.runOnce(0)
|
|
require.NoError(t, err)
|
|
assert.True(t, g.DialPrimaryThroughLocalGateway())
|
|
assert.Equal(t, uint64(2), idx)
|
|
assert.Len(t, tsd.Calls, 1)
|
|
assert.Equal(t, []string{
|
|
"5.6.7.8:5555",
|
|
"8.7.6.5:9999",
|
|
}, g.listGateways(false))
|
|
assert.Equal(t, []string{
|
|
"5.6.7.8:5555",
|
|
"8.7.6.5:9999",
|
|
}, g.listGateways(true))
|
|
})
|
|
|
|
t.Run("secondary - with data and fallback - repl ok then failed 3 times", func(t *testing.T) {
|
|
// Only run for the leader.
|
|
logger := testutil.Logger(t)
|
|
tsd := &testServerDelegate{State: state, isLeader: true}
|
|
g := NewGatewayLocator(
|
|
logger,
|
|
tsd,
|
|
"dc2",
|
|
"dc1",
|
|
)
|
|
g.SetUseReplicationSignal(true)
|
|
|
|
g.RefreshPrimaryGatewayFallbackAddresses([]string{
|
|
"7.7.7.7:7777",
|
|
"8.8.8.8:8888",
|
|
})
|
|
|
|
g.SetLastFederationStateReplicationError(nil, true)
|
|
g.SetLastFederationStateReplicationError(errors.New("fake"), true)
|
|
g.SetLastFederationStateReplicationError(errors.New("fake"), true)
|
|
g.SetLastFederationStateReplicationError(errors.New("fake"), true)
|
|
|
|
idx, err := g.runOnce(0)
|
|
require.NoError(t, err)
|
|
assert.False(t, g.DialPrimaryThroughLocalGateway())
|
|
assert.Equal(t, uint64(2), idx)
|
|
assert.Len(t, tsd.Calls, 1)
|
|
assert.Equal(t, []string{
|
|
"5.6.7.8:5555",
|
|
"8.7.6.5:9999",
|
|
}, g.listGateways(false))
|
|
assert.Equal(t, []string{
|
|
"1.2.3.4:5555",
|
|
"4.3.2.1:9999",
|
|
"7.7.7.7:7777",
|
|
"8.8.8.8:8888",
|
|
}, g.listGateways(true))
|
|
})
|
|
|
|
t.Run("secondary - with data and fallback - repl ok then failed 3 times then ok again", func(t *testing.T) {
|
|
// Only run for the leader.
|
|
logger := testutil.Logger(t)
|
|
tsd := &testServerDelegate{State: state, isLeader: true}
|
|
g := NewGatewayLocator(
|
|
logger,
|
|
tsd,
|
|
"dc2",
|
|
"dc1",
|
|
)
|
|
g.SetUseReplicationSignal(true)
|
|
|
|
g.RefreshPrimaryGatewayFallbackAddresses([]string{
|
|
"7.7.7.7:7777",
|
|
"8.8.8.8:8888",
|
|
})
|
|
|
|
g.SetLastFederationStateReplicationError(nil, true)
|
|
g.SetLastFederationStateReplicationError(errors.New("fake"), true)
|
|
g.SetLastFederationStateReplicationError(errors.New("fake"), true)
|
|
g.SetLastFederationStateReplicationError(errors.New("fake"), true)
|
|
g.SetLastFederationStateReplicationError(nil, true)
|
|
|
|
idx, err := g.runOnce(0)
|
|
require.NoError(t, err)
|
|
assert.True(t, g.DialPrimaryThroughLocalGateway())
|
|
assert.Equal(t, uint64(2), idx)
|
|
assert.Len(t, tsd.Calls, 1)
|
|
assert.Equal(t, []string{
|
|
"5.6.7.8:5555",
|
|
"8.7.6.5:9999",
|
|
}, g.listGateways(false))
|
|
assert.Equal(t, []string{
|
|
"5.6.7.8:5555",
|
|
"8.7.6.5:9999",
|
|
}, g.listGateways(true))
|
|
})
|
|
}
|
|
|
|
type testServerDelegate struct {
|
|
State *state.Store
|
|
|
|
Calls []uint64
|
|
|
|
isLeader bool
|
|
lastContact time.Time
|
|
}
|
|
|
|
// This is just enough to exercise the logic.
|
|
func (d *testServerDelegate) blockingQuery(
|
|
queryOpts structs.QueryOptionsCompat,
|
|
queryMeta structs.QueryMetaCompat,
|
|
fn queryFn,
|
|
) error {
|
|
minQueryIndex := queryOpts.GetMinQueryIndex()
|
|
|
|
d.Calls = append(d.Calls, minQueryIndex)
|
|
|
|
var ws memdb.WatchSet
|
|
|
|
err := fn(ws, d.State)
|
|
if err == nil && queryMeta.GetIndex() < 1 {
|
|
queryMeta.SetIndex(1)
|
|
}
|
|
|
|
return err
|
|
}
|
|
|
|
func (d *testServerDelegate) IsLeader() bool {
|
|
return d.isLeader
|
|
}
|
|
|
|
func (d *testServerDelegate) LeaderLastContact() time.Time {
|
|
return d.lastContact
|
|
}
|