Method TestDefaultUniverseDomain

xds/googledirectpath/googlec2p_test.go:476–556

(t *testing.T)

}

func (s) TestDefaultUniverseDomain(t *testing.T) {
	replaceResolvers(t)
	simulateRunningOnGCE(t, true)
	useCleanUniverseDomain(t)
	builder := resolver.Get(c2pScheme)

	// Override the zone returned by the metadata server.
	oldGetZone := getZone
	getZone = func(time.Duration) string { return "test-zone" }
	defer func() { getZone = oldGetZone }()

	// Override IPv6 capability returned by the metadata server.
	oldGetIPv6Capability := getIPv6Capable
	getIPv6Capable = func(time.Duration) bool { return false }
	defer func() { getIPv6Capable = oldGetIPv6Capability }()

	// Override the random func used in the node ID.
	origRandInd := randInt
	randInt = func() int { return 666 }
	defer func() { randInt = origRandInd }()

	// Override xDS client pool.
	oldXdsClientPool := xdsClientPool
	xdsClientPool = xdsclient.NewPool(nil)
	defer func() { xdsClientPool = oldXdsClientPool }()

	// Build the google-c2p resolver.
	target := resolver.Target{URL: url.URL{Scheme: c2pScheme, Path: "test-path"}}
	r, err := builder.Build(target, nil, resolver.BuildOptions{})
	if err != nil {
		t.Fatalf("failed to build resolver: %v", err)
	}
	defer r.Close()

	// Build should return xDS, not DNS.
	if r, ok := r.(*c2pResolverWrapper); !ok || r.Resolver != testXDSResolver {
		t.Fatalf("Build() returned %#v, want c2pResolverWrapper", r)
	}

	// Check that we use directpath-pa.googleapis.com in the bootstrap config
	wantBootstrapConfig := bootstrapConfig(t, bootstrap.ConfigOptionsForTesting{
		Servers: []byte(`[{
					"server_uri": "dns:///directpath-pa.googleapis.com",
					"channel_creds": [{"type": "google_default"}],
					"server_features": ["ignore_resource_deletion"]
  				}]`),
		Authorities: map[string]json.RawMessage{
			"traffic-director-c2p.xds.googleapis.com": []byte(`{
							"xds_servers": [
  								{
								    "server_uri": "dns:///directpath-pa.googleapis.com",
								    "channel_creds": [{"type": "google_default"}],
								    "server_features": ["ignore_resource_deletion"]
  								}
							]
						}`),
		},
		Node: []byte(`{