mirror of https://github.com/hashicorp/consul
241 lines
7.5 KiB
Go
241 lines
7.5 KiB
Go
package xds
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import (
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"path/filepath"
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"sort"
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"testing"
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envoy_cluster_v3 "github.com/envoyproxy/go-control-plane/envoy/config/cluster/v3"
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envoy_endpoint_v3 "github.com/envoyproxy/go-control-plane/envoy/config/endpoint/v3"
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envoy_listener_v3 "github.com/envoyproxy/go-control-plane/envoy/config/listener/v3"
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envoy_route_v3 "github.com/envoyproxy/go-control-plane/envoy/config/route/v3"
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testinf "github.com/mitchellh/go-testing-interface"
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"github.com/stretchr/testify/require"
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"github.com/hashicorp/consul/agent/proxycfg"
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"github.com/hashicorp/consul/agent/structs"
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"github.com/hashicorp/consul/agent/xds/proxysupport"
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"github.com/hashicorp/consul/agent/xds/xdscommon"
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"github.com/hashicorp/consul/sdk/testutil"
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)
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var testTypeUrlToPrettyName = map[string]string{
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xdscommon.ListenerType: "listeners",
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xdscommon.RouteType: "routes",
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xdscommon.ClusterType: "clusters",
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xdscommon.EndpointType: "endpoints",
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}
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type goldenTestCase struct {
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name string
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create func(t testinf.T) *proxycfg.ConfigSnapshot
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// Setup is called before the test starts. It is passed the snapshot from
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// TestConfigSnapshot and is allowed to modify it in any way to setup the
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// test input.
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setup func(snap *proxycfg.ConfigSnapshot)
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overrideGoldenName string
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generatorSetup func(*ResourceGenerator)
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}
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func TestAllResourcesFromSnapshot(t *testing.T) {
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if testing.Short() {
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t.Skip("too slow for testing.Short")
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}
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type testcase = goldenTestCase
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run := func(
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t *testing.T,
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sf supportedProxyFeatures,
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envoyVersion string,
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latestEnvoyVersion string,
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tt testcase,
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) {
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// Sanity check default with no overrides first
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snap := tt.create(t)
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// TODO: it would be nice to be able to ensure these snapshots are always valid before we use them in a test.
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// require.True(t, snap.Valid())
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// We need to replace the TLS certs with deterministic ones to make golden
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// files workable. Note we don't update these otherwise they'd change
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// golder files for every test case and so not be any use!
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setupTLSRootsAndLeaf(t, snap)
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if tt.setup != nil {
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tt.setup(snap)
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}
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// Need server just for logger dependency
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g := newResourceGenerator(testutil.Logger(t), nil, false)
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g.ProxyFeatures = sf
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if tt.generatorSetup != nil {
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tt.generatorSetup(g)
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}
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resources, err := g.allResourcesFromSnapshot(snap)
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require.NoError(t, err)
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typeUrls := []string{
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xdscommon.ListenerType,
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xdscommon.RouteType,
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xdscommon.ClusterType,
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xdscommon.EndpointType,
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}
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require.Len(t, resources, len(typeUrls))
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for _, typeUrl := range typeUrls {
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prettyName := testTypeUrlToPrettyName[typeUrl]
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t.Run(prettyName, func(t *testing.T) {
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items, ok := resources[typeUrl]
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require.True(t, ok)
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sort.Slice(items, func(i, j int) bool {
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switch typeUrl {
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case xdscommon.ListenerType:
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return items[i].(*envoy_listener_v3.Listener).Name < items[j].(*envoy_listener_v3.Listener).Name
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case xdscommon.RouteType:
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return items[i].(*envoy_route_v3.RouteConfiguration).Name < items[j].(*envoy_route_v3.RouteConfiguration).Name
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case xdscommon.ClusterType:
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return items[i].(*envoy_cluster_v3.Cluster).Name < items[j].(*envoy_cluster_v3.Cluster).Name
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case xdscommon.EndpointType:
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return items[i].(*envoy_endpoint_v3.ClusterLoadAssignment).ClusterName < items[j].(*envoy_endpoint_v3.ClusterLoadAssignment).ClusterName
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default:
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panic("not possible")
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}
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})
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r, err := createResponse(typeUrl, "00000001", "00000001", items)
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require.NoError(t, err)
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gotJSON := protoToJSON(t, r)
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gName := tt.name
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if tt.overrideGoldenName != "" {
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gName = tt.overrideGoldenName
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}
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expectedJSON := goldenEnvoy(t, filepath.Join(prettyName, gName), envoyVersion, latestEnvoyVersion, gotJSON)
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require.JSONEq(t, expectedJSON, gotJSON)
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})
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}
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}
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tests := []testcase{
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{
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name: "defaults",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshot(t, nil, nil)
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},
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},
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{
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name: "connect-proxy-exported-to-peers",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshot(t, func(ns *structs.NodeService) {
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// This test is only concerned about the SPIFFE cert validator config in the public listener
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// so we empty out the upstreams to avoid generating unnecessary upstream listeners.
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ns.Proxy.Upstreams = structs.Upstreams{}
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}, []proxycfg.UpdateEvent{
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{
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CorrelationID: "peering-trust-bundles",
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Result: proxycfg.TestPeerTrustBundles(t),
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},
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})
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},
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},
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{
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name: "transparent-proxy",
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create: proxycfg.TestConfigSnapshotTransparentProxy,
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},
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{
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name: "connect-proxy-with-peered-upstreams",
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create: proxycfg.TestConfigSnapshotPeering,
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},
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{
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name: "transparent-proxy-with-peered-upstreams",
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create: proxycfg.TestConfigSnapshotPeeringTProxy,
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},
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{
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name: "local-mesh-gateway-with-peered-upstreams",
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create: proxycfg.TestConfigSnapshotPeeringLocalMeshGateway,
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},
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}
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tests = append(tests, getConnectProxyTransparentProxyGoldenTestCases()...)
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tests = append(tests, getMeshGatewayPeeringGoldenTestCases()...)
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tests = append(tests, getTrafficControlPeeringGoldenTestCases()...)
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tests = append(tests, getEnterpriseGoldenTestCases()...)
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latestEnvoyVersion := proxysupport.EnvoyVersions[0]
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for _, envoyVersion := range proxysupport.EnvoyVersions {
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sf, err := determineSupportedProxyFeaturesFromString(envoyVersion)
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require.NoError(t, err)
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t.Run("envoy-"+envoyVersion, func(t *testing.T) {
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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run(t, sf, envoyVersion, latestEnvoyVersion, tt)
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})
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}
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})
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}
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}
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func getConnectProxyTransparentProxyGoldenTestCases() []goldenTestCase {
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return []goldenTestCase{
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{
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name: "transparent-proxy-destination",
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create: proxycfg.TestConfigSnapshotTransparentProxyDestination,
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},
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{
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name: "transparent-proxy-destination-http",
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create: proxycfg.TestConfigSnapshotTransparentProxyDestinationHTTP,
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},
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{
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name: "transparent-proxy-terminating-gateway-destinations-only",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotTerminatingGatewayDestinations(t, true, nil)
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},
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},
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}
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}
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func getMeshGatewayPeeringGoldenTestCases() []goldenTestCase {
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return []goldenTestCase{
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{
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name: "mesh-gateway-with-exported-peered-services",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotPeeredMeshGateway(t, "default-services-tcp", nil, nil)
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},
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},
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{
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name: "mesh-gateway-with-exported-peered-services-http",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotPeeredMeshGateway(t, "default-services-http", nil, nil)
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},
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},
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{
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name: "mesh-gateway-with-exported-peered-services-http-with-router",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotPeeredMeshGateway(t, "chain-and-l7-stuff", nil, nil)
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},
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},
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}
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}
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func getTrafficControlPeeringGoldenTestCases() []goldenTestCase {
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return []goldenTestCase{
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{
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name: "connect-proxy-with-chain-and-failover-to-cluster-peer",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotDiscoveryChain(t, "failover-to-cluster-peer", nil, nil)
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},
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},
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{
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name: "connect-proxy-with-chain-and-redirect-to-cluster-peer",
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create: func(t testinf.T) *proxycfg.ConfigSnapshot {
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return proxycfg.TestConfigSnapshotDiscoveryChain(t, "redirect-to-cluster-peer", nil, nil)
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},
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},
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}
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}
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