142 lines
3.3 KiB
Go
142 lines
3.3 KiB
Go
package consul
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import (
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"testing"
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"time"
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"github.com/hashicorp/consul/agent/consul/state"
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"github.com/hashicorp/consul/agent/structs"
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"github.com/hashicorp/consul/api"
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"github.com/hashicorp/consul/sdk/testutil"
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memdb "github.com/hashicorp/go-memdb"
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"github.com/stretchr/testify/require"
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)
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func TestGatewayLocator(t *testing.T) {
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state, err := state.NewStateStore(nil)
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require.NoError(t, err)
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dc1 := &structs.FederationState{
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Datacenter: "dc1",
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MeshGateways: []structs.CheckServiceNode{
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newTestMeshGatewayNode(
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"dc1", "gateway1", "1.2.3.4", 5555, map[string]string{structs.MetaWANFederationKey: "1"}, api.HealthPassing,
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),
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newTestMeshGatewayNode(
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"dc1", "gateway2", "4.3.2.1", 9999, map[string]string{structs.MetaWANFederationKey: "1"}, api.HealthPassing,
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),
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},
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UpdatedAt: time.Now().UTC(),
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}
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dc2 := &structs.FederationState{
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Datacenter: "dc2",
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MeshGateways: []structs.CheckServiceNode{
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newTestMeshGatewayNode(
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"dc2", "gateway1", "5.6.7.8", 5555, map[string]string{structs.MetaWANFederationKey: "1"}, api.HealthPassing,
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),
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newTestMeshGatewayNode(
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"dc2", "gateway2", "8.7.6.5", 9999, map[string]string{structs.MetaWANFederationKey: "1"}, api.HealthPassing,
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),
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},
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UpdatedAt: time.Now().UTC(),
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}
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// Insert data for the dcs
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require.NoError(t, state.FederationStateSet(1, dc1))
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require.NoError(t, state.FederationStateSet(2, dc2))
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t.Run("primary", func(t *testing.T) {
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logger := testutil.Logger(t)
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tsd := &testServerDelegate{State: state, isLeader: true}
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g := NewGatewayLocator(
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logger,
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tsd,
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"dc1",
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"dc1",
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)
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idx, err := g.runOnce(0)
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require.NoError(t, err)
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require.Equal(t, uint64(2), idx)
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require.Len(t, tsd.Calls, 1)
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require.Equal(t, []string{
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"1.2.3.4:5555",
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"4.3.2.1:9999",
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}, g.listGateways(false))
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require.Equal(t, []string{
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"1.2.3.4:5555",
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"4.3.2.1:9999",
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}, g.listGateways(true))
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})
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t.Run("secondary", func(t *testing.T) {
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logger := testutil.Logger(t)
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tsd := &testServerDelegate{State: state, isLeader: true}
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g := NewGatewayLocator(
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logger,
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tsd,
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"dc2",
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"dc1",
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)
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idx, err := g.runOnce(0)
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require.NoError(t, err)
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require.Equal(t, uint64(2), idx)
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require.Len(t, tsd.Calls, 1)
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require.Equal(t, []string{
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"5.6.7.8:5555",
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"8.7.6.5:9999",
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}, g.listGateways(false))
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require.Equal(t, []string{
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"1.2.3.4:5555",
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"4.3.2.1:9999",
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}, g.listGateways(true))
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})
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}
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type testServerDelegate struct {
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State *state.Store
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FallbackAddrs []string
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Calls []uint64
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isLeader bool
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lastContact time.Time
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}
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// This is just enough to exercise the logic.
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func (d *testServerDelegate) blockingQuery(
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queryOpts structs.QueryOptionsCompat,
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queryMeta structs.QueryMetaCompat,
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fn queryFn,
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) error {
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minQueryIndex := queryOpts.GetMinQueryIndex()
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d.Calls = append(d.Calls, minQueryIndex)
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var ws memdb.WatchSet
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err := fn(ws, d.State)
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if err == nil && queryMeta.GetIndex() < 1 {
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queryMeta.SetIndex(1)
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}
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return err
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}
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func newFakeStateStore() (*state.Store, error) {
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return state.NewStateStore(nil)
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}
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func (d *testServerDelegate) PrimaryGatewayFallbackAddresses() []string {
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return d.FallbackAddrs
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}
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func (d *testServerDelegate) IsLeader() bool {
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return d.isLeader
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}
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func (d *testServerDelegate) LeaderLastContact() time.Time {
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return d.lastContact
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}
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