bugfix: fix the topologyInjectorDisabled and the local cluster was not defined

internal/xds/bootstrap/bootstrap.yaml.tpl

@@ -8,8 +8,10 @@ admin:
     socket_address:
       address: {{ .AdminServer.Address }}
       port_value: {{ .AdminServer.Port }}
+{{- if not .TopologyInjectorDisabled }}
 cluster_manager:
   local_cluster_name: {{ .ServiceClusterName }}
+{{- end }}
 node:
   locality:
     zone: $(ENVOY_SERVICE_ZONE)

internal/xds/bootstrap/bootstrap_test.go

@@ -180,6 +180,30 @@ func TestGetRenderedBootstrapConfig(t *testing.T) {
 				IPFamily: ptr.To(egv1a1.IPv6),
 			},
 		},
+		{
+			name: "topology-injector-disabled",
+			opts: &RenderBootstrapConfigOptions{
+				ProxyMetrics: &egv1a1.ProxyMetrics{
+					Prometheus: &egv1a1.ProxyPrometheusProvider{
+						Disable: true,
+					},
+				},
+				SdsConfig:                sds,
+				TopologyInjectorDisabled: true,
+			},
+		},
+		{
+			name: "topology-injector-enabled",
+			opts: &RenderBootstrapConfigOptions{
+				ProxyMetrics: &egv1a1.ProxyMetrics{
+					Prometheus: &egv1a1.ProxyPrometheusProvider{
+						Disable: true,
+					},
+				},
+				SdsConfig:                sds,
+				TopologyInjectorDisabled: false,
+			},
+		},
 	}
 
 	for _, tc := range cases {

internal/xds/bootstrap/testdata/render/topology-injector-disabled.yaml

@@ -0,0 +1,84 @@
+admin:
+  access_log:
+  - name: envoy.access_loggers.file
+    typed_config:
+      "@type": type.googleapis.com/envoy.extensions.access_loggers.file.v3.FileAccessLog
+      path: /dev/null
+  address:
+    socket_address:
+      address: 127.0.0.1
+      port_value: 19000
+node:
+  locality:
+    zone: $(ENVOY_SERVICE_ZONE)
+layered_runtime:
+  layers:
+  - name: global_config
+    static_layer:
+      envoy.restart_features.use_eds_cache_for_ads: true
+      re2.max_program_size.error_level: 4294967295
+      re2.max_program_size.warn_level: 1000
+dynamic_resources:
+  ads_config:
+    api_type: DELTA_GRPC
+    transport_api_version: V3
+    grpc_services:
+    - envoy_grpc:
+        cluster_name: xds_cluster
+    set_node_on_first_message_only: true
+  lds_config:
+    ads: {}
+    resource_api_version: V3
+  cds_config:
+    ads: {}
+    resource_api_version: V3
+static_resources:
+  clusters:
+  - connect_timeout: 10s
+    load_assignment:
+      cluster_name: xds_cluster
+      endpoints:
+      - load_balancing_weight: 1
+        lb_endpoints:
+        - load_balancing_weight: 1
+          endpoint:
+            address:
+              socket_address:
+                address: envoy-gateway
+                port_value: 18000
+    typed_extension_protocol_options:
+      envoy.extensions.upstreams.http.v3.HttpProtocolOptions:
+        "@type": "type.googleapis.com/envoy.extensions.upstreams.http.v3.HttpProtocolOptions"
+        explicit_http_config:
+          http2_protocol_options:
+            connection_keepalive:
+              interval: 30s
+              timeout: 5s
+    name: xds_cluster
+    type: STRICT_DNS
+    transport_socket:
+      name: envoy.transport_sockets.tls
+      typed_config:
+        "@type": type.googleapis.com/envoy.extensions.transport_sockets.tls.v3.UpstreamTlsContext
+        common_tls_context:
+          tls_params:
+            tls_maximum_protocol_version: TLSv1_3
+          tls_certificate_sds_secret_configs:
+          - name: xds_certificate
+            sds_config:
+              path_config_source:
+                path: /sds/xds-certificate.json
+              resource_api_version: V3
+          validation_context_sds_secret_config:
+            name: xds_trusted_ca
+            sds_config:
+              path_config_source:
+                path: /sds/xds-trusted-ca.json
+              resource_api_version: V3
+overload_manager:
+  refresh_interval: 0.25s
+  resource_monitors:
+  - name: "envoy.resource_monitors.global_downstream_max_connections"
+    typed_config:
+      "@type": type.googleapis.com/envoy.extensions.resource_monitors.downstream_connections.v3.DownstreamConnectionsConfig
+      max_active_downstream_connections: 50000

internal/xds/bootstrap/testdata/render/topology-injector-enabled.yaml

@@ -0,0 +1,103 @@
+admin:
+  access_log:
+  - name: envoy.access_loggers.file
+    typed_config:
+      "@type": type.googleapis.com/envoy.extensions.access_loggers.file.v3.FileAccessLog
+      path: /dev/null
+  address:
+    socket_address:
+      address: 127.0.0.1
+      port_value: 19000
+cluster_manager:
+  local_cluster_name: local_cluster
+node:
+  locality:
+    zone: $(ENVOY_SERVICE_ZONE)
+layered_runtime:
+  layers:
+  - name: global_config
+    static_layer:
+      envoy.restart_features.use_eds_cache_for_ads: true
+      re2.max_program_size.error_level: 4294967295
+      re2.max_program_size.warn_level: 1000
+dynamic_resources:
+  ads_config:
+    api_type: DELTA_GRPC
+    transport_api_version: V3
+    grpc_services:
+    - envoy_grpc:
+        cluster_name: xds_cluster
+    set_node_on_first_message_only: true
+  lds_config:
+    ads: {}
+    resource_api_version: V3
+  cds_config:
+    ads: {}
+    resource_api_version: V3
+static_resources:
+  clusters:
+  - connect_timeout: 10s
+    eds_cluster_config:
+      eds_config:
+        ads: {}
+        resource_api_version: 'V3'
+      service_name: local_cluster
+    load_balancing_policy:
+      policies:
+      - typed_extension_config:
+          name: 'envoy.load_balancing_policies.least_request'
+          typed_config:
+            '@type': 'type.googleapis.com/envoy.extensions.load_balancing_policies.least_request.v3.LeastRequest'
+            locality_lb_config:
+              zone_aware_lb_config:
+                min_cluster_size: '1'
+    name: local_cluster
+    type: EDS
+  - connect_timeout: 10s
+    load_assignment:
+      cluster_name: xds_cluster
+      endpoints:
+      - load_balancing_weight: 1
+        lb_endpoints:
+        - load_balancing_weight: 1
+          endpoint:
+            address:
+              socket_address:
+                address: envoy-gateway
+                port_value: 18000
+    typed_extension_protocol_options:
+      envoy.extensions.upstreams.http.v3.HttpProtocolOptions:
+        "@type": "type.googleapis.com/envoy.extensions.upstreams.http.v3.HttpProtocolOptions"
+        explicit_http_config:
+          http2_protocol_options:
+            connection_keepalive:
+              interval: 30s
+              timeout: 5s
+    name: xds_cluster
+    type: STRICT_DNS
+    transport_socket:
+      name: envoy.transport_sockets.tls
+      typed_config:
+        "@type": type.googleapis.com/envoy.extensions.transport_sockets.tls.v3.UpstreamTlsContext
+        common_tls_context:
+          tls_params:
+            tls_maximum_protocol_version: TLSv1_3
+          tls_certificate_sds_secret_configs:
+          - name: xds_certificate
+            sds_config:
+              path_config_source:
+                path: /sds/xds-certificate.json
+              resource_api_version: V3
+          validation_context_sds_secret_config:
+            name: xds_trusted_ca
+            sds_config:
+              path_config_source:
+                path: /sds/xds-trusted-ca.json
+              resource_api_version: V3
+overload_manager:
+  refresh_interval: 0.25s
+  resource_monitors:
+  - name: "envoy.resource_monitors.global_downstream_max_connections"
+    typed_config:
+      "@type": type.googleapis.com/envoy.extensions.resource_monitors.downstream_connections.v3.DownstreamConnectionsConfig
+      max_active_downstream_connections: 50000