| /* |
| * Copyright 2018-present Open Networking Foundation |
| * |
| * 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 org.onosproject.openstacktelemetry.impl; |
| |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Deactivate; |
| import org.apache.felix.scr.annotations.Modified; |
| import org.apache.felix.scr.annotations.Property; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.apache.felix.scr.annotations.Service; |
| import org.onlab.util.Tools; |
| import org.onosproject.cfg.ComponentConfigService; |
| import org.onosproject.openstacktelemetry.api.GrpcTelemetryAdminService; |
| import org.onosproject.openstacktelemetry.api.GrpcTelemetryConfigService; |
| import org.onosproject.openstacktelemetry.api.config.TelemetryConfig; |
| import org.onosproject.openstacktelemetry.config.DefaultGrpcTelemetryConfig; |
| import org.osgi.service.component.ComponentContext; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Dictionary; |
| |
| import static org.onlab.util.Tools.get; |
| import static org.onlab.util.Tools.getIntegerProperty; |
| import static org.onosproject.openstacktelemetry.api.Constants.DEFAULT_DISABLE; |
| import static org.onosproject.openstacktelemetry.api.Constants.DEFAULT_GRPC_MAX_INBOUND_MSG_SIZE; |
| import static org.onosproject.openstacktelemetry.api.Constants.DEFAULT_GRPC_SERVER_IP; |
| import static org.onosproject.openstacktelemetry.api.Constants.DEFAULT_GRPC_SERVER_PORT; |
| import static org.onosproject.openstacktelemetry.api.Constants.DEFAULT_GRPC_USE_PLAINTEXT; |
| import static org.onosproject.openstacktelemetry.util.OpenstackTelemetryUtil.getBooleanProperty; |
| |
| /** |
| * gRPC server configuration manager for publishing openstack telemetry. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class GrpcTelemetryConfigManager implements GrpcTelemetryConfigService { |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| private static final String ENABLE_SERVICE = "enableService"; |
| private static final String ADDRESS = "address"; |
| private static final String PORT = "port"; |
| private static final String USE_PLAINTEXT = "usePlaintext"; |
| private static final String MAX_INBOUND_MSG_SIZE = "maxInboundMsgSize"; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ComponentConfigService componentConfigService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected GrpcTelemetryAdminService grpcTelemetryAdminService; |
| |
| @Property(name = ADDRESS, value = DEFAULT_GRPC_SERVER_IP, |
| label = "Default IP address to establish initial connection to gRPC server") |
| protected String address = DEFAULT_GRPC_SERVER_IP; |
| |
| @Property(name = PORT, intValue = DEFAULT_GRPC_SERVER_PORT, |
| label = "Default port number to establish initial connection to gRPC server") |
| protected Integer port = DEFAULT_GRPC_SERVER_PORT; |
| |
| @Property(name = USE_PLAINTEXT, boolValue = DEFAULT_GRPC_USE_PLAINTEXT, |
| label = "UsePlaintext flag value used for connecting to gRPC server") |
| protected Boolean usePlaintext = DEFAULT_GRPC_USE_PLAINTEXT; |
| |
| @Property(name = MAX_INBOUND_MSG_SIZE, intValue = DEFAULT_GRPC_MAX_INBOUND_MSG_SIZE, |
| label = "Maximum inbound message size used for communicating with gRPC server") |
| protected Integer maxInboundMsgSize = DEFAULT_GRPC_MAX_INBOUND_MSG_SIZE; |
| |
| @Property(name = ENABLE_SERVICE, boolValue = DEFAULT_DISABLE, |
| label = "Specify the default behavior of telemetry service") |
| protected Boolean enableService = DEFAULT_DISABLE; |
| |
| @Activate |
| protected void activate(ComponentContext context) { |
| componentConfigService.registerProperties(getClass()); |
| |
| if (enableService) { |
| grpcTelemetryAdminService.start(getConfig()); |
| } |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| componentConfigService.unregisterProperties(getClass(), false); |
| |
| if (enableService) { |
| grpcTelemetryAdminService.stop(); |
| } |
| log.info("Stopped"); |
| } |
| |
| @Modified |
| private void modified(ComponentContext context) { |
| readComponentConfiguration(context); |
| |
| if (enableService) { |
| if (grpcTelemetryAdminService.isRunning()) { |
| grpcTelemetryAdminService.restart(getConfig()); |
| } else { |
| grpcTelemetryAdminService.start(getConfig()); |
| } |
| } else { |
| if (grpcTelemetryAdminService.isRunning()) { |
| grpcTelemetryAdminService.stop(); |
| } |
| } |
| log.info("Modified"); |
| } |
| |
| @Override |
| public TelemetryConfig getConfig() { |
| return new DefaultGrpcTelemetryConfig.DefaultBuilder() |
| .withAddress(address) |
| .withPort(port) |
| .withUsePlaintext(usePlaintext) |
| .withMaxInboundMsgSize(maxInboundMsgSize) |
| .build(); |
| } |
| |
| /** |
| * Extracts properties from the component configuration context. |
| * |
| * @param context the component context |
| */ |
| private void readComponentConfiguration(ComponentContext context) { |
| Dictionary<?, ?> properties = context.getProperties(); |
| |
| String addressStr = get(properties, ADDRESS); |
| address = addressStr != null ? addressStr : DEFAULT_GRPC_SERVER_IP; |
| log.info("Configured. gRPC server address is {}", address); |
| |
| Integer portConfigured = Tools.getIntegerProperty(properties, PORT); |
| if (portConfigured == null) { |
| port = DEFAULT_GRPC_SERVER_PORT; |
| log.info("gRPC server port is NOT configured, default value is {}", port); |
| } else { |
| port = portConfigured; |
| log.info("Configured. gRPC server port is {}", port); |
| } |
| |
| Boolean usePlaintextConfigured = |
| getBooleanProperty(properties, USE_PLAINTEXT); |
| if (usePlaintextConfigured == null) { |
| usePlaintext = DEFAULT_GRPC_USE_PLAINTEXT; |
| log.info("gRPC server use plaintext flag is NOT " + |
| "configured, default value is {}", usePlaintext); |
| } else { |
| usePlaintext = usePlaintextConfigured; |
| log.info("Configured. gRPC server use plaintext flag is {}", usePlaintext); |
| } |
| |
| Integer maxInboundMsgSizeConfigured = |
| getIntegerProperty(properties, MAX_INBOUND_MSG_SIZE); |
| if (maxInboundMsgSizeConfigured == null) { |
| maxInboundMsgSize = DEFAULT_GRPC_MAX_INBOUND_MSG_SIZE; |
| log.info("gRPC server max inbound message size is NOT " + |
| "configured, default value is {}", maxInboundMsgSize); |
| } else { |
| maxInboundMsgSize = maxInboundMsgSizeConfigured; |
| log.info("Configured. gRPC server max inbound message size is {}", maxInboundMsgSize); |
| } |
| |
| Boolean enableServiceConfigured = |
| getBooleanProperty(properties, ENABLE_SERVICE); |
| if (enableServiceConfigured == null) { |
| enableService = DEFAULT_DISABLE; |
| log.info("gRPC service enable flag is NOT " + |
| "configured, default value is {}", enableService); |
| } else { |
| enableService = enableServiceConfigured; |
| log.info("Configured. gRPC service enable flag is {}", enableService); |
| } |
| } |
| |
| } |