| /* |
| * 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.onlab.util.Tools; |
| import org.onosproject.cfg.ComponentConfigService; |
| import org.onosproject.openstacktelemetry.api.RestTelemetryAdminService; |
| import org.onosproject.openstacktelemetry.api.RestTelemetryConfigService; |
| import org.onosproject.openstacktelemetry.api.config.TelemetryConfig; |
| import org.onosproject.openstacktelemetry.config.DefaultRestTelemetryConfig; |
| import org.osgi.service.component.ComponentContext; |
| import org.osgi.service.component.annotations.Activate; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Deactivate; |
| import org.osgi.service.component.annotations.Modified; |
| import org.osgi.service.component.annotations.Reference; |
| import org.osgi.service.component.annotations.ReferenceCardinality; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Dictionary; |
| |
| import static org.onosproject.openstacktelemetry.api.Constants.DEFAULT_DISABLE; |
| import static org.onosproject.openstacktelemetry.api.Constants.DEFAULT_REST_ENDPOINT; |
| import static org.onosproject.openstacktelemetry.api.Constants.DEFAULT_REST_METHOD; |
| import static org.onosproject.openstacktelemetry.api.Constants.DEFAULT_REST_REQUEST_MEDIA_TYPE; |
| import static org.onosproject.openstacktelemetry.api.Constants.DEFAULT_REST_RESPONSE_MEDIA_TYPE; |
| import static org.onosproject.openstacktelemetry.api.Constants.DEFAULT_REST_SERVER_IP; |
| import static org.onosproject.openstacktelemetry.api.Constants.DEFAULT_REST_SERVER_PORT; |
| import static org.onosproject.openstacktelemetry.util.OpenstackTelemetryUtil.getBooleanProperty; |
| import static org.onosproject.openstacktelemetry.util.OpenstackTelemetryUtil.initTelemetryService; |
| |
| /** |
| * REST server configuration manager for publishing openstack telemetry. |
| */ |
| @Component(immediate = true, service = RestTelemetryConfigService.class) |
| public class RestTelemetryConfigManager implements RestTelemetryConfigService { |
| |
| 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 ENDPOINT = "endpoint"; |
| private static final String METHOD = "method"; |
| private static final String REQUEST_MEDIA_TYPE = "requestMediaType"; |
| private static final String RESPONSE_MEDIA_TYPE = "responseMediaType"; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected ComponentConfigService componentConfigService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected RestTelemetryAdminService restTelemetryAdminService; |
| |
| //@Property(name = ADDRESS, value = DEFAULT_REST_SERVER_IP, |
| // label = "Default IP address to establish initial connection to REST server") |
| protected String address = DEFAULT_REST_SERVER_IP; |
| |
| //@Property(name = PORT, intValue = DEFAULT_REST_SERVER_PORT, |
| // label = "Default port number to establish initial connection to REST server") |
| protected Integer port = DEFAULT_REST_SERVER_PORT; |
| |
| //@Property(name = ENDPOINT, value = DEFAULT_REST_ENDPOINT, |
| // label = "Endpoint of REST server") |
| protected String endpoint = DEFAULT_REST_ENDPOINT; |
| |
| //@Property(name = METHOD, value = DEFAULT_REST_METHOD, |
| // label = "HTTP method of REST server") |
| protected String method = DEFAULT_REST_METHOD; |
| |
| //@Property(name = REQUEST_MEDIA_TYPE, value = DEFAULT_REST_REQUEST_MEDIA_TYPE, |
| // label = "Request media type of REST server") |
| protected String requestMediaType = DEFAULT_REST_REQUEST_MEDIA_TYPE; |
| |
| //@Property(name = RESPONSE_MEDIA_TYPE, value = DEFAULT_REST_RESPONSE_MEDIA_TYPE, |
| // label = "Response media type of REST server") |
| protected String responseMediaType = DEFAULT_REST_RESPONSE_MEDIA_TYPE; |
| |
| //@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) { |
| restTelemetryAdminService.start(getConfig()); |
| } |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| componentConfigService.unregisterProperties(getClass(), false); |
| |
| if (enableService) { |
| restTelemetryAdminService.stop(); |
| } |
| log.info("Stopped"); |
| } |
| |
| @Modified |
| private void modified(ComponentContext context) { |
| readComponentConfiguration(context); |
| initTelemetryService(restTelemetryAdminService, getConfig(), enableService); |
| log.info("Modified"); |
| } |
| |
| @Override |
| public TelemetryConfig getConfig() { |
| return new DefaultRestTelemetryConfig.DefaultBuilder() |
| .withAddress(address) |
| .withPort(port) |
| .withEndpoint(endpoint) |
| .withMethod(method) |
| .withRequestMediaType(requestMediaType) |
| .withResponseMediaType(responseMediaType) |
| .build(); |
| } |
| |
| /** |
| * Extracts properties from the component configuration context. |
| * |
| * @param context the component context |
| */ |
| private void readComponentConfiguration(ComponentContext context) { |
| Dictionary<?, ?> properties = context.getProperties(); |
| |
| String addressStr = Tools.get(properties, ADDRESS); |
| address = addressStr != null ? addressStr : DEFAULT_REST_SERVER_IP; |
| log.info("Configured. REST server address is {}", address); |
| |
| Integer portConfigured = Tools.getIntegerProperty(properties, PORT); |
| if (portConfigured == null) { |
| port = DEFAULT_REST_SERVER_PORT; |
| log.info("REST server port is NOT configured, default value is {}", port); |
| } else { |
| port = portConfigured; |
| log.info("Configured. REST server port is {}", port); |
| } |
| |
| String endpointStr = Tools.get(properties, ENDPOINT); |
| endpoint = endpointStr != null ? endpointStr : DEFAULT_REST_ENDPOINT; |
| log.info("Configured. REST server endpoint is {}", endpoint); |
| |
| String methodStr = Tools.get(properties, METHOD); |
| method = methodStr != null ? methodStr : DEFAULT_REST_METHOD; |
| log.info("Configured. REST server default HTTP method is {}", method); |
| |
| String requestMediaTypeStr = Tools.get(properties, REQUEST_MEDIA_TYPE); |
| requestMediaType = requestMediaTypeStr != null ? |
| requestMediaTypeStr : DEFAULT_REST_REQUEST_MEDIA_TYPE; |
| log.info("Configured. REST server request media type is {}", requestMediaType); |
| |
| String responseMediaTypeStr = Tools.get(properties, RESPONSE_MEDIA_TYPE); |
| responseMediaType = responseMediaTypeStr != null ? |
| responseMediaTypeStr : DEFAULT_REST_RESPONSE_MEDIA_TYPE; |
| log.info("Configured. REST server response media type is {}", responseMediaType); |
| |
| Boolean enableServiceConfigured = |
| getBooleanProperty(properties, ENABLE_SERVICE); |
| if (enableServiceConfigured == null) { |
| enableService = DEFAULT_DISABLE; |
| log.info("REST service enable flag is NOT " + |
| "configured, default value is {}", enableService); |
| } else { |
| enableService = enableServiceConfigured; |
| log.info("Configured. REST service enable flag is {}", enableService); |
| } |
| } |
| } |