2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Copyright (C) 2017 Amdocs
8 * =============================================================================
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
21 * ============LICENSE_END=========================================================
24 package org.onap.appc.adapter.iaas.provider.operation.impl;
26 import com.att.cdp.exceptions.ResourceNotFoundException;
27 import com.att.cdp.exceptions.ZoneException;
28 import com.att.cdp.zones.Context;
29 import com.att.cdp.zones.model.ModelObject;
30 import com.att.cdp.zones.model.Server;
31 import com.att.eelf.configuration.EELFLogger;
32 import com.att.eelf.configuration.EELFManager;
33 import com.att.eelf.i18n.EELFResourceManager;
34 import org.glassfish.grizzly.http.util.HttpStatus;
35 import org.onap.appc.Constants;
36 import org.onap.appc.adapter.iaas.ProviderAdapter;
37 import org.onap.appc.adapter.iaas.impl.IdentityURL;
38 import org.onap.appc.adapter.iaas.impl.RequestContext;
39 import org.onap.appc.adapter.iaas.impl.RequestFailedException;
40 import org.onap.appc.adapter.iaas.impl.VMURL;
41 import org.onap.appc.adapter.iaas.provider.operation.common.constants.Property;
42 import org.onap.appc.adapter.iaas.provider.operation.common.enums.Outcome;
43 import org.onap.appc.adapter.iaas.provider.operation.impl.base.ProviderServerOperation;
44 import org.onap.appc.exceptions.UnknownProviderException;
45 import org.onap.appc.i18n.Msg;
46 import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
48 import java.text.DateFormat;
49 import java.text.SimpleDateFormat;
50 import java.util.Date;
52 import java.util.TimeZone;
53 import static org.onap.appc.adapter.iaas.provider.operation.common.enums.Operation.RESTART_SERVICE;
54 import static org.onap.appc.adapter.utils.Constants.ADAPTER_NAME;
56 public class RestartServer extends ProviderServerOperation {
58 private static final EELFLogger logger = EELFManager.getInstance().getLogger(RestartServer.class);
59 private static EELFLogger metricsLogger = EELFManager.getInstance().getMetricsLogger();
63 * This method handles the case of restarting a server once we have found the server and have obtained the abstract
64 * representation of the server via the context (i.e., the "Server" object from the CDP-Zones abstraction).
66 * @param rc The request context that manages the state and recovery of the request for the life of its processing.
67 * @param server The server object representing the server we want to operate on
68 * @throws ZoneException when error occurs.
69 * @throws RequestFailedException when server status is error.
71 @SuppressWarnings("nls")
72 private void restartServer(RequestContext rc, Server server, SvcLogicContext ctx)
73 throws ZoneException, RequestFailedException {
75 * Pending is a bit of a special case. If we find the server is in a pending state, then the provider is in the
76 * process of changing state of the server. So, lets try to wait a little bit and see if the state settles down
77 * to one we can deal with. If not, then we have to fail the request.
80 if (server.getStatus().equals(Server.Status.PENDING)) {
81 waitForStateChange(rc, server, Server.Status.READY, Server.Status.RUNNING, Server.Status.ERROR,
82 Server.Status.SUSPENDED, Server.Status.PAUSED);
85 setTimeForMetricsLogger("restart server");
87 String skipHypervisorCheck = configuration.getProperty(Property.SKIP_HYPERVISOR_CHECK);
88 if (skipHypervisorCheck == null && ctx != null) {
89 skipHypervisorCheck = ctx.getAttribute(ProviderAdapter.SKIP_HYPERVISOR_CHECK);
92 // Always perform Virtual Machine/Hypervisor Status/Network checks
93 // unless the skip is set to true
94 if (skipHypervisorCheck == null || (!skipHypervisorCheck.equalsIgnoreCase("true"))) {
95 // Check of the Hypervisor for the VM Server is UP and reachable
96 checkHypervisor(server);
100 * We determine what to do based on the current state of the server
102 switch (server.getStatus()) {
104 // Nothing to do, the server is gone
105 msg = EELFResourceManager.format(Msg.SERVER_DELETED, server.getName(), server.getId(),
106 server.getTenantId(), "restarted");
107 generateEvent(rc, false, msg);
109 metricsLogger.error(msg);
113 // Attempt to stop and start the server
114 stopServer(rc, server);
115 startServer(rc, server);
116 generateEvent(rc, true, Outcome.SUCCESS.toString());
117 metricsLogger.info("Server status: RUNNING");
121 msg = EELFResourceManager.format(Msg.SERVER_ERROR_STATE, server.getName(), server.getId(),
122 server.getTenantId(), "restart");
123 generateEvent(rc, false, msg);
125 metricsLogger.error(msg);
126 throw new RequestFailedException("Restart Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405, server);
129 // Attempt to start the server
130 startServer(rc, server);
131 generateEvent(rc, true, Outcome.SUCCESS.toString());
132 metricsLogger.info("Server status: READY");
136 // if paused, un-pause it
137 unpauseServer(rc, server);
138 generateEvent(rc, true, Outcome.SUCCESS.toString());
139 metricsLogger.info("Server status: PAUSED");
143 // Attempt to resume the suspended server
144 resumeServer(rc, server);
145 generateEvent(rc, true, Outcome.SUCCESS.toString());
146 metricsLogger.info("Server status: SUSPENDED");
150 // Hmmm, unknown status, should never occur
151 msg = EELFResourceManager.format(Msg.UNKNOWN_SERVER_STATE, server.getName(), server.getId(),
152 server.getTenantId(), server.getStatus().name());
153 generateEvent(rc, false, msg);
155 metricsLogger.error(msg);
163 * This method is used to restart an existing virtual machine given the fully qualified URL of the machine.
165 * The fully qualified URL contains enough information to locate the appropriate server. The URL is of the form
168 * [scheme]://[host[:port]] / [path] / [tenant_id] / servers / [vm_id]
171 * Where the various parts of the URL can be parsed and extracted and used to locate the appropriate service in the
172 * provider service catalog. This then allows us to open a context using the CDP abstraction, obtain the server by
173 * its UUID, and then perform the restart.
176 * @throws UnknownProviderException If the provider cannot be found
177 * @throws IllegalArgumentException if the expected argument(s) are not defined or are invalid
178 * @see org.onap.appc.adapter.iaas.ProviderAdapter#restartServer(java.util.Map,
179 * org.onap.ccsdk.sli.core.sli.SvcLogicContext)
181 @SuppressWarnings("nls")
182 private Server restartServer(Map<String, String> params, SvcLogicContext ctx)
183 throws UnknownProviderException, IllegalArgumentException {
184 Server server = null;
185 RequestContext rc = new RequestContext(ctx);
188 String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME);
191 * Set Time for Metrics Logger
193 setTimeForMetricsLogger("GET server status");
195 ctx.setAttribute("RESTART_STATUS", "ERROR");
197 validateParametersExist(params, ProviderAdapter.PROPERTY_INSTANCE_URL,
198 ProviderAdapter.PROPERTY_PROVIDER_NAME);
200 String vm_url = params.get(ProviderAdapter.PROPERTY_INSTANCE_URL);
202 VMURL vm = VMURL.parseURL(vm_url);
203 if (validateVM(rc, appName, vm_url, vm))
206 IdentityURL ident = IdentityURL.parseURL(params.get(ProviderAdapter.PROPERTY_IDENTITY_URL));
207 String identStr = (ident == null) ? null : ident.toString();
209 Context context = null;
210 String tenantName = "Unknown";//to be used also in case of exception
212 context = getContext(rc, vm_url, identStr);
213 if (context != null) {
214 tenantName = context.getTenantName();//this varaible also is used in case of exception
216 server = lookupServer(rc, context, vm.getServerId());
217 logger.debug(Msg.SERVER_FOUND, vm_url, tenantName, server.getStatus().toString());
219 restartServer(rc, server, ctx);
222 ctx.setAttribute("RESTART_STATUS", "SUCCESS");
223 String msg = EELFResourceManager.format(Msg.SUCCESS_EVENT_MESSAGE, "RestartServer", vm_url);
224 ctx.setAttribute(org.onap.appc.Constants.ATTRIBUTE_SUCCESS_MESSAGE, msg);
226 } catch (RequestFailedException e) {
227 doFailure(rc, e.getStatus(), e.getMessage());
228 } catch (ResourceNotFoundException e) {
229 String msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vm_url);
231 metricsLogger.error(msg);
232 doFailure(rc, HttpStatus.NOT_FOUND_404, msg);
233 } catch (Exception e1) {
234 String msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, e1,
235 e1.getClass().getSimpleName(), RESTART_SERVICE.toString(), vm_url,
237 logger.error(msg, e1);
238 metricsLogger.error(msg, e1);
239 doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg);
241 } catch (RequestFailedException e) {
242 doFailure(rc, e.getStatus(), e.getMessage());
249 protected ModelObject executeProviderOperation(Map<String, String> params, SvcLogicContext context)
250 throws UnknownProviderException {
251 setMDC(RESTART_SERVICE.toString(), "App-C IaaS Adapter:Restart", ADAPTER_NAME);
252 logOperation(Msg.RESTARTING_SERVER, params, context);
254 setTimeForMetricsLogger("execute restart");
256 metricsLogger.info("Executing Provider Operation: Restart");
258 return restartServer(params, context);
261 private void setTimeForMetricsLogger(String targetServiceName) {
262 long startTime = System.currentTimeMillis();
263 TimeZone tz = TimeZone.getTimeZone("UTC");
264 DateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ");
266 long endTime = System.currentTimeMillis();
267 long duration = endTime - startTime;
268 String durationStr = String.valueOf(duration);
269 String endTimeStrUTC = df.format(new Date());
270 MDC.put("EndTimestamp", endTimeStrUTC);
271 MDC.put("ElapsedTime", durationStr);
272 MDC.put("TargetEntity", "cdp");
273 MDC.put("TargetServiceName", targetServiceName);
274 MDC.put("ClassName", "org.onap.appc.adapter.iaas.provider.operation.impl.RestartServer");