| /* |
| * |
| * Copyright 2020 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| package client |
| |
| import ( |
| "testing" |
| |
| v2xdspb "github.com/envoyproxy/go-control-plane/envoy/api/v2" |
| v2corepb "github.com/envoyproxy/go-control-plane/envoy/api/v2/core" |
| v3clusterpb "github.com/envoyproxy/go-control-plane/envoy/config/cluster/v3" |
| v3corepb "github.com/envoyproxy/go-control-plane/envoy/config/core/v3" |
| v3tlspb "github.com/envoyproxy/go-control-plane/envoy/extensions/transport_sockets/tls/v3" |
| v3matcherpb "github.com/envoyproxy/go-control-plane/envoy/type/matcher/v3" |
| "github.com/golang/protobuf/proto" |
| anypb "github.com/golang/protobuf/ptypes/any" |
| "github.com/google/go-cmp/cmp" |
| "github.com/google/go-cmp/cmp/cmpopts" |
| "google.golang.org/grpc/xds/internal/version" |
| ) |
| |
| const ( |
| clusterName = "clusterName" |
| serviceName = "service" |
| ) |
| |
| var emptyUpdate = ClusterUpdate{ServiceName: "", EnableLRS: false} |
| |
| func (s) TestValidateCluster_Failure(t *testing.T) { |
| tests := []struct { |
| name string |
| cluster *v3clusterpb.Cluster |
| wantUpdate ClusterUpdate |
| wantErr bool |
| }{ |
| { |
| name: "non-eds-cluster-type", |
| cluster: &v3clusterpb.Cluster{ |
| ClusterDiscoveryType: &v3clusterpb.Cluster_Type{Type: v3clusterpb.Cluster_STATIC}, |
| EdsClusterConfig: &v3clusterpb.Cluster_EdsClusterConfig{ |
| EdsConfig: &v3corepb.ConfigSource{ |
| ConfigSourceSpecifier: &v3corepb.ConfigSource_Ads{ |
| Ads: &v3corepb.AggregatedConfigSource{}, |
| }, |
| }, |
| }, |
| LbPolicy: v3clusterpb.Cluster_LEAST_REQUEST, |
| }, |
| wantUpdate: emptyUpdate, |
| wantErr: true, |
| }, |
| { |
| name: "no-eds-config", |
| cluster: &v3clusterpb.Cluster{ |
| ClusterDiscoveryType: &v3clusterpb.Cluster_Type{Type: v3clusterpb.Cluster_EDS}, |
| LbPolicy: v3clusterpb.Cluster_ROUND_ROBIN, |
| }, |
| wantUpdate: emptyUpdate, |
| wantErr: true, |
| }, |
| { |
| name: "no-ads-config-source", |
| cluster: &v3clusterpb.Cluster{ |
| ClusterDiscoveryType: &v3clusterpb.Cluster_Type{Type: v3clusterpb.Cluster_EDS}, |
| EdsClusterConfig: &v3clusterpb.Cluster_EdsClusterConfig{}, |
| LbPolicy: v3clusterpb.Cluster_ROUND_ROBIN, |
| }, |
| wantUpdate: emptyUpdate, |
| wantErr: true, |
| }, |
| { |
| name: "non-round-robin-lb-policy", |
| cluster: &v3clusterpb.Cluster{ |
| ClusterDiscoveryType: &v3clusterpb.Cluster_Type{Type: v3clusterpb.Cluster_EDS}, |
| EdsClusterConfig: &v3clusterpb.Cluster_EdsClusterConfig{ |
| EdsConfig: &v3corepb.ConfigSource{ |
| ConfigSourceSpecifier: &v3corepb.ConfigSource_Ads{ |
| Ads: &v3corepb.AggregatedConfigSource{}, |
| }, |
| }, |
| }, |
| LbPolicy: v3clusterpb.Cluster_LEAST_REQUEST, |
| }, |
| wantUpdate: emptyUpdate, |
| wantErr: true, |
| }, |
| } |
| |
| for _, test := range tests { |
| t.Run(test.name, func(t *testing.T) { |
| if update, err := validateCluster(test.cluster); err == nil { |
| t.Errorf("validateCluster(%+v) = %v, wanted error", test.cluster, update) |
| } |
| }) |
| } |
| } |
| |
| func (s) TestValidateCluster_Success(t *testing.T) { |
| tests := []struct { |
| name string |
| cluster *v3clusterpb.Cluster |
| wantUpdate ClusterUpdate |
| }{ |
| { |
| name: "happy-case-no-service-name-no-lrs", |
| cluster: &v3clusterpb.Cluster{ |
| ClusterDiscoveryType: &v3clusterpb.Cluster_Type{Type: v3clusterpb.Cluster_EDS}, |
| EdsClusterConfig: &v3clusterpb.Cluster_EdsClusterConfig{ |
| EdsConfig: &v3corepb.ConfigSource{ |
| ConfigSourceSpecifier: &v3corepb.ConfigSource_Ads{ |
| Ads: &v3corepb.AggregatedConfigSource{}, |
| }, |
| }, |
| }, |
| LbPolicy: v3clusterpb.Cluster_ROUND_ROBIN, |
| }, |
| wantUpdate: emptyUpdate, |
| }, |
| { |
| name: "happy-case-no-lrs", |
| cluster: &v3clusterpb.Cluster{ |
| ClusterDiscoveryType: &v3clusterpb.Cluster_Type{Type: v3clusterpb.Cluster_EDS}, |
| EdsClusterConfig: &v3clusterpb.Cluster_EdsClusterConfig{ |
| EdsConfig: &v3corepb.ConfigSource{ |
| ConfigSourceSpecifier: &v3corepb.ConfigSource_Ads{ |
| Ads: &v3corepb.AggregatedConfigSource{}, |
| }, |
| }, |
| ServiceName: serviceName, |
| }, |
| LbPolicy: v3clusterpb.Cluster_ROUND_ROBIN, |
| }, |
| wantUpdate: ClusterUpdate{ServiceName: serviceName, EnableLRS: false}, |
| }, |
| { |
| name: "happiest-case", |
| cluster: &v3clusterpb.Cluster{ |
| Name: clusterName, |
| ClusterDiscoveryType: &v3clusterpb.Cluster_Type{Type: v3clusterpb.Cluster_EDS}, |
| EdsClusterConfig: &v3clusterpb.Cluster_EdsClusterConfig{ |
| EdsConfig: &v3corepb.ConfigSource{ |
| ConfigSourceSpecifier: &v3corepb.ConfigSource_Ads{ |
| Ads: &v3corepb.AggregatedConfigSource{}, |
| }, |
| }, |
| ServiceName: serviceName, |
| }, |
| LbPolicy: v3clusterpb.Cluster_ROUND_ROBIN, |
| LrsServer: &v3corepb.ConfigSource{ |
| ConfigSourceSpecifier: &v3corepb.ConfigSource_Self{ |
| Self: &v3corepb.SelfConfigSource{}, |
| }, |
| }, |
| }, |
| wantUpdate: ClusterUpdate{ServiceName: serviceName, EnableLRS: true}, |
| }, |
| } |
| |
| for _, test := range tests { |
| t.Run(test.name, func(t *testing.T) { |
| update, err := validateCluster(test.cluster) |
| if err != nil { |
| t.Errorf("validateCluster(%+v) failed: %v", test.cluster, err) |
| } |
| if !cmp.Equal(update, test.wantUpdate, cmpopts.EquateEmpty()) { |
| t.Errorf("validateCluster(%+v) = %v, want: %v", test.cluster, update, test.wantUpdate) |
| } |
| }) |
| } |
| } |
| |
| func (s) TestValidateClusterWithSecurityConfig(t *testing.T) { |
| const ( |
| identityPluginInstance = "identityPluginInstance" |
| identityCertName = "identityCert" |
| rootPluginInstance = "rootPluginInstance" |
| rootCertName = "rootCert" |
| serviceName = "service" |
| san1 = "san1" |
| san2 = "san2" |
| ) |
| |
| tests := []struct { |
| name string |
| cluster *v3clusterpb.Cluster |
| wantUpdate ClusterUpdate |
| wantErr bool |
| }{ |
| { |
| name: "transport-socket-unsupported-typeURL", |
| cluster: &v3clusterpb.Cluster{ |
| ClusterDiscoveryType: &v3clusterpb.Cluster_Type{Type: v3clusterpb.Cluster_EDS}, |
| EdsClusterConfig: &v3clusterpb.Cluster_EdsClusterConfig{ |
| EdsConfig: &v3corepb.ConfigSource{ |
| ConfigSourceSpecifier: &v3corepb.ConfigSource_Ads{ |
| Ads: &v3corepb.AggregatedConfigSource{}, |
| }, |
| }, |
| ServiceName: serviceName, |
| }, |
| LbPolicy: v3clusterpb.Cluster_ROUND_ROBIN, |
| TransportSocket: &v3corepb.TransportSocket{ |
| ConfigType: &v3corepb.TransportSocket_TypedConfig{ |
| TypedConfig: &anypb.Any{ |
| TypeUrl: version.V3HTTPConnManagerURL, |
| }, |
| }, |
| }, |
| }, |
| wantErr: true, |
| }, |
| { |
| name: "transport-socket-unsupported-type", |
| cluster: &v3clusterpb.Cluster{ |
| ClusterDiscoveryType: &v3clusterpb.Cluster_Type{Type: v3clusterpb.Cluster_EDS}, |
| EdsClusterConfig: &v3clusterpb.Cluster_EdsClusterConfig{ |
| EdsConfig: &v3corepb.ConfigSource{ |
| ConfigSourceSpecifier: &v3corepb.ConfigSource_Ads{ |
| Ads: &v3corepb.AggregatedConfigSource{}, |
| }, |
| }, |
| ServiceName: serviceName, |
| }, |
| LbPolicy: v3clusterpb.Cluster_ROUND_ROBIN, |
| TransportSocket: &v3corepb.TransportSocket{ |
| ConfigType: &v3corepb.TransportSocket_TypedConfig{ |
| TypedConfig: &anypb.Any{ |
| TypeUrl: version.V3UpstreamTLSContextURL, |
| Value: []byte{1, 2, 3, 4}, |
| }, |
| }, |
| }, |
| }, |
| wantErr: true, |
| }, |
| { |
| name: "transport-socket-unsupported-validation-context", |
| cluster: &v3clusterpb.Cluster{ |
| ClusterDiscoveryType: &v3clusterpb.Cluster_Type{Type: v3clusterpb.Cluster_EDS}, |
| EdsClusterConfig: &v3clusterpb.Cluster_EdsClusterConfig{ |
| EdsConfig: &v3corepb.ConfigSource{ |
| ConfigSourceSpecifier: &v3corepb.ConfigSource_Ads{ |
| Ads: &v3corepb.AggregatedConfigSource{}, |
| }, |
| }, |
| ServiceName: serviceName, |
| }, |
| LbPolicy: v3clusterpb.Cluster_ROUND_ROBIN, |
| TransportSocket: &v3corepb.TransportSocket{ |
| ConfigType: &v3corepb.TransportSocket_TypedConfig{ |
| TypedConfig: &anypb.Any{ |
| TypeUrl: version.V3UpstreamTLSContextURL, |
| Value: func() []byte { |
| tls := &v3tlspb.UpstreamTlsContext{ |
| CommonTlsContext: &v3tlspb.CommonTlsContext{ |
| ValidationContextType: &v3tlspb.CommonTlsContext_ValidationContextSdsSecretConfig{ |
| ValidationContextSdsSecretConfig: &v3tlspb.SdsSecretConfig{ |
| Name: "foo-sds-secret", |
| }, |
| }, |
| }, |
| } |
| mtls, _ := proto.Marshal(tls) |
| return mtls |
| }(), |
| }, |
| }, |
| }, |
| }, |
| wantErr: true, |
| }, |
| { |
| name: "happy-case-with-no-identity-certs", |
| cluster: &v3clusterpb.Cluster{ |
| ClusterDiscoveryType: &v3clusterpb.Cluster_Type{Type: v3clusterpb.Cluster_EDS}, |
| EdsClusterConfig: &v3clusterpb.Cluster_EdsClusterConfig{ |
| EdsConfig: &v3corepb.ConfigSource{ |
| ConfigSourceSpecifier: &v3corepb.ConfigSource_Ads{ |
| Ads: &v3corepb.AggregatedConfigSource{}, |
| }, |
| }, |
| ServiceName: serviceName, |
| }, |
| LbPolicy: v3clusterpb.Cluster_ROUND_ROBIN, |
| TransportSocket: &v3corepb.TransportSocket{ |
| ConfigType: &v3corepb.TransportSocket_TypedConfig{ |
| TypedConfig: &anypb.Any{ |
| TypeUrl: version.V3UpstreamTLSContextURL, |
| Value: func() []byte { |
| tls := &v3tlspb.UpstreamTlsContext{ |
| CommonTlsContext: &v3tlspb.CommonTlsContext{ |
| ValidationContextType: &v3tlspb.CommonTlsContext_ValidationContextCertificateProviderInstance{ |
| ValidationContextCertificateProviderInstance: &v3tlspb.CommonTlsContext_CertificateProviderInstance{ |
| InstanceName: rootPluginInstance, |
| CertificateName: rootCertName, |
| }, |
| }, |
| }, |
| } |
| mtls, _ := proto.Marshal(tls) |
| return mtls |
| }(), |
| }, |
| }, |
| }, |
| }, |
| wantUpdate: ClusterUpdate{ |
| ServiceName: serviceName, |
| EnableLRS: false, |
| SecurityCfg: &SecurityConfig{ |
| RootInstanceName: rootPluginInstance, |
| RootCertName: rootCertName, |
| }, |
| }, |
| }, |
| { |
| name: "happy-case-with-validation-context-provider-instance", |
| cluster: &v3clusterpb.Cluster{ |
| ClusterDiscoveryType: &v3clusterpb.Cluster_Type{Type: v3clusterpb.Cluster_EDS}, |
| EdsClusterConfig: &v3clusterpb.Cluster_EdsClusterConfig{ |
| EdsConfig: &v3corepb.ConfigSource{ |
| ConfigSourceSpecifier: &v3corepb.ConfigSource_Ads{ |
| Ads: &v3corepb.AggregatedConfigSource{}, |
| }, |
| }, |
| ServiceName: serviceName, |
| }, |
| LbPolicy: v3clusterpb.Cluster_ROUND_ROBIN, |
| TransportSocket: &v3corepb.TransportSocket{ |
| ConfigType: &v3corepb.TransportSocket_TypedConfig{ |
| TypedConfig: &anypb.Any{ |
| TypeUrl: version.V3UpstreamTLSContextURL, |
| Value: func() []byte { |
| tls := &v3tlspb.UpstreamTlsContext{ |
| CommonTlsContext: &v3tlspb.CommonTlsContext{ |
| TlsCertificateCertificateProviderInstance: &v3tlspb.CommonTlsContext_CertificateProviderInstance{ |
| InstanceName: identityPluginInstance, |
| CertificateName: identityCertName, |
| }, |
| ValidationContextType: &v3tlspb.CommonTlsContext_ValidationContextCertificateProviderInstance{ |
| ValidationContextCertificateProviderInstance: &v3tlspb.CommonTlsContext_CertificateProviderInstance{ |
| InstanceName: rootPluginInstance, |
| CertificateName: rootCertName, |
| }, |
| }, |
| }, |
| } |
| mtls, _ := proto.Marshal(tls) |
| return mtls |
| }(), |
| }, |
| }, |
| }, |
| }, |
| wantUpdate: ClusterUpdate{ |
| ServiceName: serviceName, |
| EnableLRS: false, |
| SecurityCfg: &SecurityConfig{ |
| RootInstanceName: rootPluginInstance, |
| RootCertName: rootCertName, |
| IdentityInstanceName: identityPluginInstance, |
| IdentityCertName: identityCertName, |
| }, |
| }, |
| }, |
| { |
| name: "happy-case-with-combined-validation-context", |
| cluster: &v3clusterpb.Cluster{ |
| ClusterDiscoveryType: &v3clusterpb.Cluster_Type{Type: v3clusterpb.Cluster_EDS}, |
| EdsClusterConfig: &v3clusterpb.Cluster_EdsClusterConfig{ |
| EdsConfig: &v3corepb.ConfigSource{ |
| ConfigSourceSpecifier: &v3corepb.ConfigSource_Ads{ |
| Ads: &v3corepb.AggregatedConfigSource{}, |
| }, |
| }, |
| ServiceName: serviceName, |
| }, |
| LbPolicy: v3clusterpb.Cluster_ROUND_ROBIN, |
| TransportSocket: &v3corepb.TransportSocket{ |
| ConfigType: &v3corepb.TransportSocket_TypedConfig{ |
| TypedConfig: &anypb.Any{ |
| TypeUrl: version.V3UpstreamTLSContextURL, |
| Value: func() []byte { |
| tls := &v3tlspb.UpstreamTlsContext{ |
| CommonTlsContext: &v3tlspb.CommonTlsContext{ |
| TlsCertificateCertificateProviderInstance: &v3tlspb.CommonTlsContext_CertificateProviderInstance{ |
| InstanceName: identityPluginInstance, |
| CertificateName: identityCertName, |
| }, |
| ValidationContextType: &v3tlspb.CommonTlsContext_CombinedValidationContext{ |
| CombinedValidationContext: &v3tlspb.CommonTlsContext_CombinedCertificateValidationContext{ |
| DefaultValidationContext: &v3tlspb.CertificateValidationContext{ |
| MatchSubjectAltNames: []*v3matcherpb.StringMatcher{ |
| {MatchPattern: &v3matcherpb.StringMatcher_Exact{Exact: san1}}, |
| {MatchPattern: &v3matcherpb.StringMatcher_Exact{Exact: san2}}, |
| }, |
| }, |
| ValidationContextCertificateProviderInstance: &v3tlspb.CommonTlsContext_CertificateProviderInstance{ |
| InstanceName: rootPluginInstance, |
| CertificateName: rootCertName, |
| }, |
| }, |
| }, |
| }, |
| } |
| mtls, _ := proto.Marshal(tls) |
| return mtls |
| }(), |
| }, |
| }, |
| }, |
| }, |
| wantUpdate: ClusterUpdate{ |
| ServiceName: serviceName, |
| EnableLRS: false, |
| SecurityCfg: &SecurityConfig{ |
| RootInstanceName: rootPluginInstance, |
| RootCertName: rootCertName, |
| IdentityInstanceName: identityPluginInstance, |
| IdentityCertName: identityCertName, |
| AcceptedSANs: []string{san1, san2}, |
| }, |
| }, |
| }, |
| } |
| |
| for _, test := range tests { |
| t.Run(test.name, func(t *testing.T) { |
| update, err := validateCluster(test.cluster) |
| if ((err != nil) != test.wantErr) || !cmp.Equal(update, test.wantUpdate, cmpopts.EquateEmpty()) { |
| t.Errorf("validateCluster(%+v) = (%+v, %v), want: (%+v, %v)", test.cluster, update, err, test.wantUpdate, test.wantErr) |
| } |
| }) |
| } |
| } |
| |
| func (s) TestUnmarshalCluster(t *testing.T) { |
| const ( |
| v2ClusterName = "v2clusterName" |
| v3ClusterName = "v3clusterName" |
| v2Service = "v2Service" |
| v3Service = "v2Service" |
| ) |
| var ( |
| v2Cluster = &v2xdspb.Cluster{ |
| Name: v2ClusterName, |
| ClusterDiscoveryType: &v2xdspb.Cluster_Type{Type: v2xdspb.Cluster_EDS}, |
| EdsClusterConfig: &v2xdspb.Cluster_EdsClusterConfig{ |
| EdsConfig: &v2corepb.ConfigSource{ |
| ConfigSourceSpecifier: &v2corepb.ConfigSource_Ads{ |
| Ads: &v2corepb.AggregatedConfigSource{}, |
| }, |
| }, |
| ServiceName: v2Service, |
| }, |
| LbPolicy: v2xdspb.Cluster_ROUND_ROBIN, |
| LrsServer: &v2corepb.ConfigSource{ |
| ConfigSourceSpecifier: &v2corepb.ConfigSource_Self{ |
| Self: &v2corepb.SelfConfigSource{}, |
| }, |
| }, |
| } |
| |
| v3Cluster = &v3clusterpb.Cluster{ |
| Name: v3ClusterName, |
| ClusterDiscoveryType: &v3clusterpb.Cluster_Type{Type: v3clusterpb.Cluster_EDS}, |
| EdsClusterConfig: &v3clusterpb.Cluster_EdsClusterConfig{ |
| EdsConfig: &v3corepb.ConfigSource{ |
| ConfigSourceSpecifier: &v3corepb.ConfigSource_Ads{ |
| Ads: &v3corepb.AggregatedConfigSource{}, |
| }, |
| }, |
| ServiceName: v3Service, |
| }, |
| LbPolicy: v3clusterpb.Cluster_ROUND_ROBIN, |
| LrsServer: &v3corepb.ConfigSource{ |
| ConfigSourceSpecifier: &v3corepb.ConfigSource_Self{ |
| Self: &v3corepb.SelfConfigSource{}, |
| }, |
| }, |
| } |
| ) |
| |
| tests := []struct { |
| name string |
| resources []*anypb.Any |
| wantUpdate map[string]ClusterUpdate |
| wantErr bool |
| }{ |
| { |
| name: "non-cluster resource type", |
| resources: []*anypb.Any{{TypeUrl: version.V3HTTPConnManagerURL}}, |
| wantErr: true, |
| }, |
| { |
| name: "badly marshaled cluster resource", |
| resources: []*anypb.Any{ |
| { |
| TypeUrl: version.V3ClusterURL, |
| Value: []byte{1, 2, 3, 4}, |
| }, |
| }, |
| wantErr: true, |
| }, |
| { |
| name: "bad cluster resource", |
| resources: []*anypb.Any{ |
| { |
| TypeUrl: version.V3ClusterURL, |
| Value: func() []byte { |
| cl := &v3clusterpb.Cluster{ |
| ClusterDiscoveryType: &v3clusterpb.Cluster_Type{Type: v3clusterpb.Cluster_STATIC}, |
| } |
| mcl, _ := proto.Marshal(cl) |
| return mcl |
| }(), |
| }, |
| }, |
| wantErr: true, |
| }, |
| { |
| name: "v2 cluster", |
| resources: []*anypb.Any{ |
| { |
| TypeUrl: version.V3ClusterURL, |
| Value: func() []byte { |
| mcl, _ := proto.Marshal(v2Cluster) |
| return mcl |
| }(), |
| }, |
| }, |
| wantUpdate: map[string]ClusterUpdate{ |
| v2ClusterName: {ServiceName: v2Service, EnableLRS: true}, |
| }, |
| }, |
| { |
| name: "v3 cluster", |
| resources: []*anypb.Any{ |
| { |
| TypeUrl: version.V3ClusterURL, |
| Value: func() []byte { |
| mcl, _ := proto.Marshal(v3Cluster) |
| return mcl |
| }(), |
| }, |
| }, |
| wantUpdate: map[string]ClusterUpdate{ |
| v3ClusterName: {ServiceName: v3Service, EnableLRS: true}, |
| }, |
| }, |
| { |
| name: "multiple clusters", |
| resources: []*anypb.Any{ |
| { |
| TypeUrl: version.V3ClusterURL, |
| Value: func() []byte { |
| mcl, _ := proto.Marshal(v2Cluster) |
| return mcl |
| }(), |
| }, |
| { |
| TypeUrl: version.V3ClusterURL, |
| Value: func() []byte { |
| mcl, _ := proto.Marshal(v3Cluster) |
| return mcl |
| }(), |
| }, |
| }, |
| wantUpdate: map[string]ClusterUpdate{ |
| v2ClusterName: {ServiceName: v2Service, EnableLRS: true}, |
| v3ClusterName: {ServiceName: v3Service, EnableLRS: true}, |
| }, |
| }, |
| } |
| for _, test := range tests { |
| t.Run(test.name, func(t *testing.T) { |
| update, err := UnmarshalCluster(test.resources, nil) |
| if ((err != nil) != test.wantErr) || !cmp.Equal(update, test.wantUpdate, cmpopts.EquateEmpty()) { |
| t.Errorf("UnmarshalCluster(%v) = (%+v, %v) want (%+v, %v)", test.resources, update, err, test.wantUpdate, test.wantErr) |
| } |
| }) |
| } |
| } |
