2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.onap.so.client.appc;
23 import java.lang.reflect.InvocationTargetException;
24 import java.lang.reflect.Method;
25 import java.time.Instant;
26 import java.util.Properties;
27 import java.util.UUID;
28 import java.util.concurrent.ConcurrentHashMap;
29 import org.onap.so.bpmn.core.UrnPropertiesReader;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
32 import org.onap.appc.client.lcm.api.AppcClientServiceFactoryProvider;
33 import org.onap.appc.client.lcm.api.AppcLifeCycleManagerServiceFactory;
34 import org.onap.appc.client.lcm.api.ApplicationContext;
35 import org.onap.appc.client.lcm.api.LifeCycleManagerStateful;
36 import org.onap.appc.client.lcm.exceptions.AppcClientException;
37 import org.onap.appc.client.lcm.model.Action;
38 import org.onap.appc.client.lcm.model.ActionIdentifiers;
39 import org.onap.appc.client.lcm.model.CommonHeader;
40 import org.onap.appc.client.lcm.model.Flags;
41 import org.onap.appc.client.lcm.model.Flags.Force;
42 import org.onap.appc.client.lcm.model.Flags.Mode;
43 import org.onap.appc.client.lcm.model.Payload;
44 import org.onap.appc.client.lcm.model.Status;
45 import org.onap.appc.client.lcm.model.ZULU;
47 public class ApplicationControllerClient {
49 public static final String DEFAULT_CONTROLLER_TYPE = "APPC";
51 private static final String CLIENT_NAME = "MSO";
53 private static final String API_VER = "2.00";
54 private static final String ORIGINATOR_ID = "MSO";
55 private static final int FLAGS_TTL = 65000;
56 private static Logger logger = LoggerFactory.getLogger(ApplicationControllerClient.class);
58 private ApplicationControllerSupport appCSupport;
60 // APPC gave us an API where the controllerType is configured in the
61 // client object, which is not what we asked for. We asked for an API
62 // in which the client would have additional methods that could take
63 // the controllerType as a parameter, so that we would not need to
64 // maintain multiple client objects. This map should be removed when
65 // the (hopefully short-term) controllerType becomes obsolete.
67 private final String controllerType;
69 private static ConcurrentHashMap<String, LifeCycleManagerStateful> appCClients = new ConcurrentHashMap<>();
72 * Creates an ApplicationControllerClient for communication with APP-C.
74 public ApplicationControllerClient() {
75 this(DEFAULT_CONTROLLER_TYPE);
79 * Creates an ApplicationControllerClient for the specified controller type.
81 * @param controllerType the controller type: "appc" or "sdnc".
83 public ApplicationControllerClient(String controllerType) {
84 if (controllerType == null) {
85 controllerType = DEFAULT_CONTROLLER_TYPE;
87 this.controllerType = controllerType.toUpperCase();
88 appCSupport = new ApplicationControllerSupport();
92 * Gets the controller type.
94 * @return the controllertype
96 public String getControllerType() {
97 return controllerType;
101 * Returns the AppC client object associated with this ApplicationControllerClient. AppC client objects are shared
102 * objects. One is created if it does not exist.
104 * @return the client object, or null if creation failed
106 public LifeCycleManagerStateful getAppCClient() {
107 return appCClients.computeIfAbsent(controllerType, k -> createAppCClient(k));
110 protected LifeCycleManagerStateful createAppCClient(String controllerType) {
112 if (controllerType == null) {
113 controllerType = DEFAULT_CONTROLLER_TYPE;
115 controllerType = controllerType.toUpperCase();
116 return AppcClientServiceFactoryProvider.getFactory(AppcLifeCycleManagerServiceFactory.class)
117 .createLifeCycleManagerStateful(new ApplicationContext(), getLCMProperties(controllerType));
118 } catch (AppcClientException e) {
119 logger.error("Error in getting LifeCycleManagerStateful: {}", e.getMessage(), e);
120 // This null value will cause NullPointerException when used later.
121 // Error handling could certainly be improved here.
126 public Status runCommand(Action action, org.onap.appc.client.lcm.model.ActionIdentifiers actionIdentifiers,
127 org.onap.appc.client.lcm.model.Payload payload, String requestID)
128 throws ApplicationControllerOrchestratorException {
129 Object requestObject;
130 requestObject = createRequest(action, actionIdentifiers, payload, requestID);
131 appCSupport.logLCMMessage(requestObject);
132 LifeCycleManagerStateful client = getAppCClient();
133 Method lcmMethod = appCSupport.getAPIMethod(action.name(), client, false);
135 Object response = lcmMethod.invoke(client, requestObject);
136 return appCSupport.getStatusFromGenericResponse(response);
137 } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
138 throw new RuntimeException(String.format("%s : %s", "Unable to invoke action", action.toString()), e);
142 protected Properties getLCMProperties() {
143 return getLCMProperties("appc");
146 protected Properties getLCMProperties(String controllerType) {
147 Properties properties = new Properties();
149 properties.put("topic.read", UrnPropertiesReader.getVariable("appc.client.topic.read.name"));
150 properties.put("topic.write", UrnPropertiesReader.getVariable("appc.client.topic.write"));
151 properties.put("SDNC-topic.read", UrnPropertiesReader.getVariable("appc.client.topic.sdnc.read"));
152 properties.put("SDNC-topic.write", UrnPropertiesReader.getVariable("appc.client.topic.sdnc.write"));
153 properties.put("topic.read.timeout", UrnPropertiesReader.getVariable("appc.client.topic.read.timeout"));
154 properties.put("client.response.timeout", UrnPropertiesReader.getVariable("appc.client.response.timeout"));
155 properties.put("poolMembers", UrnPropertiesReader.getVariable("appc.client.poolMembers"));
156 properties.put("controllerType", controllerType);
157 properties.put("client.key", UrnPropertiesReader.getVariable("appc.client.key"));
158 properties.put("client.secret", UrnPropertiesReader.getVariable("appc.client.secret"));
159 properties.put("client.name", CLIENT_NAME);
160 properties.put("service", UrnPropertiesReader.getVariable("appc.client.service"));
164 public Object createRequest(Action action, ActionIdentifiers identifier, Payload payload, String requestId) {
165 Object requestObject = appCSupport.getInput(action.name());
167 CommonHeader commonHeader = buildCommonHeader(requestId);
168 requestObject.getClass().getDeclaredMethod("setCommonHeader", CommonHeader.class).invoke(requestObject,
170 requestObject.getClass().getDeclaredMethod("setAction", Action.class).invoke(requestObject, action);
171 requestObject.getClass().getDeclaredMethod("setActionIdentifiers", ActionIdentifiers.class)
172 .invoke(requestObject, identifier);
173 if (payload != null) {
174 requestObject.getClass().getDeclaredMethod("setPayload", Payload.class).invoke(requestObject, payload);
176 } catch (IllegalAccessException | NoSuchMethodException | InvocationTargetException e) {
177 logger.error("Error building Appc request", e);
179 return requestObject;
182 private CommonHeader buildCommonHeader(String requestId) {
183 CommonHeader commonHeader = new CommonHeader();
184 commonHeader.setApiVer(API_VER);
185 commonHeader.setOriginatorId(ORIGINATOR_ID);
186 commonHeader.setRequestId(requestId == null ? UUID.randomUUID().toString() : requestId);
187 commonHeader.setSubRequestId(UUID.randomUUID().toString());
188 Flags flags = new Flags();
189 String flagsMode = "NORMAL";
190 Mode mode = Mode.valueOf(flagsMode);
192 String flagsForce = "FALSE";
193 Force force = Force.valueOf(flagsForce);
194 flags.setForce(force);
195 flags.setTtl(FLAGS_TTL);
196 commonHeader.setFlags(flags);
197 Instant timestamp = Instant.now();
198 ZULU zulu = new ZULU(timestamp.toString());
199 commonHeader.setTimestamp(zulu);
203 public Flags createRequestFlags() {
204 Flags flags = new Flags();