2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Copyright (C) 2017 Amdocs
8 * ================================================================================
9 * Modification Copyright (C) 2019 IBM
10 * =============================================================================
11 * Licensed under the Apache License, Version 2.0 (the "License");
12 * you may not use this file except in compliance with the License.
13 * You may obtain a copy of the License at
15 * http://www.apache.org/licenses/LICENSE-2.0
17 * Unless required by applicable law or agreed to in writing, software
18 * distributed under the License is distributed on an "AS IS" BASIS,
19 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
20 * See the License for the specific language governing permissions and
21 * limitations under the License.
23 * ============LICENSE_END=========================================================
26 package org.onap.appc.adapter.iaas.provider.operation.impl;
27 import com.att.cdp.exceptions.ContextConnectionException;
28 import com.att.cdp.exceptions.ZoneException;
29 import com.att.cdp.zones.ComputeService;
30 import com.att.cdp.zones.Context;
31 import com.att.cdp.zones.model.ModelObject;
32 import com.att.cdp.zones.model.Server;
33 import com.att.eelf.configuration.EELFLogger;
34 import com.att.eelf.configuration.EELFManager;
35 import com.att.eelf.i18n.EELFResourceManager;
36 import org.glassfish.grizzly.http.util.HttpStatus;
37 import org.onap.appc.Constants;
38 import org.onap.appc.logging.LoggingConstants;
39 import org.onap.appc.logging.LoggingUtils;
40 import org.onap.appc.adapter.iaas.ProviderAdapter;
41 import org.onap.appc.adapter.iaas.impl.IdentityURL;
42 import org.onap.appc.adapter.iaas.impl.RequestContext;
43 import org.onap.appc.adapter.iaas.impl.RequestFailedException;
44 import org.onap.appc.adapter.iaas.impl.VMURL;
45 import org.onap.appc.adapter.iaas.provider.operation.common.constants.Property;
46 import org.onap.appc.adapter.iaas.provider.operation.common.enums.Operation;
47 import org.onap.appc.adapter.iaas.provider.operation.impl.base.ProviderServerOperation;
48 import org.onap.appc.configuration.Configuration;
49 import org.onap.appc.configuration.ConfigurationFactory;
50 import org.onap.appc.exceptions.APPCException;
51 import org.onap.appc.i18n.Msg;
52 import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
54 import java.io.IOException;
55 import java.util.Arrays;
56 import java.util.Collection;
57 import java.util.Date;
59 import static org.onap.appc.adapter.iaas.provider.operation.common.enums.Operation.MIGRATE_SERVICE;
60 import static org.onap.appc.adapter.utils.Constants.ADAPTER_NAME;
62 public class MigrateServer extends ProviderServerOperation {
64 private static final EELFLogger logger = EELFManager.getInstance().getLogger(MigrateServer.class);
65 private static EELFLogger metricsLogger = EELFManager.getInstance().getMetricsLogger();
66 private static final Configuration configuration = ConfigurationFactory.getConfiguration();
69 * A list of valid initial VM statuses for a migrate operations
71 private final Collection<Server.Status> migratableStatuses = Arrays.asList(Server.Status.READY,
72 Server.Status.RUNNING, Server.Status.SUSPENDED);
74 private String getConnectionExceptionMessage(RequestContext rc, Context ctx, ZoneException e) throws ZoneException {
75 return EELFResourceManager.format(Msg.CONNECTION_FAILED_RETRY, ctx.getProvider().getName(),
76 ctx.getComputeService().getURL(), ctx.getTenant().getName(), ctx.getTenant().getId(), e.getMessage(),
77 Long.toString(rc.getRetryDelay()), Integer.toString(rc.getAttempts()),
78 Integer.toString(rc.getRetryLimit()));
81 private void migrateServer(RequestContext rc, Server server, SvcLogicContext svcCtx)
82 throws ZoneException, RequestFailedException {
84 Context ctx = server.getContext();
85 ComputeService service = ctx.getComputeService();
86 // Init status will equal final status
87 Server.Status initialStatus = server.getStatus();
88 if (initialStatus == null) {
89 throw new ZoneException("Failed to determine server's starting status");
91 // We can only migrate certain statuses
92 if (!migratableStatuses.contains(initialStatus)) {
93 throw new ZoneException(String.format("Cannot migrate server that is in %s state. Must be in one of [%s]",
94 initialStatus, migratableStatuses));
96 setTimeForMetricsLogger();
97 // Is the skip Hypervisor check attribute populated?
98 String skipHypervisorCheck = configuration.getProperty(Property.SKIP_HYPERVISOR_CHECK);
99 if (skipHypervisorCheck == null && svcCtx != null) {
100 skipHypervisorCheck = svcCtx.getAttribute(ProviderAdapter.SKIP_HYPERVISOR_CHECK);
102 // Always perform Hypervisor check
103 // unless the skip is set to true
104 if (skipHypervisorCheck == null || (!(("true").equalsIgnoreCase(skipHypervisorCheck)))) {
105 // Check of the Hypervisor for the VM Server is UP and reachable
106 checkHypervisor(server);
109 boolean inConfirmPhase = false;
111 while (rc.attempt()) {
113 if (!inConfirmPhase) {
114 // Initial migrate request
115 service.migrateServer(server.getId());
116 // Wait for change to verify resize
117 waitForStateChange(rc, server, Server.Status.READY);
118 inConfirmPhase = true;
120 if (server.getStatus() != null && server.getStatus().equals(Server.Status.ERROR)) {
121 msg = "Cannot Perform 'processResize' in vm_state " + Server.Status.ERROR;
123 msg = EELFResourceManager.format(Msg.MIGRATE_SERVER_FAILED, service.getURL());
126 throw new RequestFailedException("Waiting for State Change", msg, HttpStatus.CONFLICT_409,
130 logger.debug("MigrateServer: Before service.processResize");
131 service.processResize(server);
132 logger.debug("MigrateServer:before 2nd waitForStateChange Current Status:" + server.getStatus()
133 + " Initail Status: " + initialStatus);
134 // Wait for complete. will go back to init status
135 waitForStateChange(rc, server, initialStatus);
136 logger.info("Completed migrate request successfully");
137 metricsLogger.info("Completed migrate request successfully");
140 } catch (ContextConnectionException e) {
141 msg = getConnectionExceptionMessage(rc, ctx, e);
142 if (server.getStatus() != null && server.getStatus().equals(Server.Status.ERROR)) {
143 throw new RequestFailedException("Migrate Server", msg, HttpStatus.CONFLICT_409, server);
145 logger.info("Migrate Server: Going to delay in ConnectionException");
146 logger.debug("Server Status: " + server.getStatus());
153 } catch (ZoneException e) {
154 String phase = inConfirmPhase ? "VERIFY MIGRATE" : "REQUEST MIGRATE";
155 msg = EELFResourceManager.format(Msg.MIGRATE_SERVER_FAILED, server.getName(), server.getId(), phase,
158 logger.error(msg, e);
159 throw new RequestFailedException("Migrate Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405, server);
164 * @see org.onap.appc.adapter.iaas.ProviderAdapter#migrateServer(java.util.Map,
165 * org.onap.ccsdk.sli.core.sli.SvcLogicContext)
167 private Server migrateServer(Map<String, String> params, SvcLogicContext ctx) {
168 Server server = null;
169 RequestContext rc = new RequestContext(ctx);
171 setTimeForMetricsLogger();
173 validateParametersExist(params, ProviderAdapter.PROPERTY_INSTANCE_URL,
174 ProviderAdapter.PROPERTY_PROVIDER_NAME);
175 String vmUrl = params.get(ProviderAdapter.PROPERTY_INSTANCE_URL);
176 String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME);
177 VMURL vm = VMURL.parseURL(vmUrl);
178 if (validateVM(rc, appName, vmUrl, vm))
180 IdentityURL ident = IdentityURL.parseURL(params.get(ProviderAdapter.PROPERTY_IDENTITY_URL));
181 String identStr = (ident == null) ? null : ident.toString();
182 server = conductServerMigration(rc, vmUrl, identStr, ctx);
183 } catch (RequestFailedException e) {
184 doFailure(rc, e.getStatus(), e.getMessage());
190 protected ModelObject executeProviderOperation(Map<String, String> params, SvcLogicContext context)
191 throws APPCException {
192 setMDC(Operation.MIGRATE_SERVICE.toString(), "App-C IaaS Adapter:Migrate", ADAPTER_NAME);
193 logOperation(Msg.MIGRATING_SERVER, params, context);
194 setTimeForMetricsLogger();
195 metricsLogger.info("Executing Provider Operation: Migrate");
196 return migrateServer(params, context);
199 private void setTimeForMetricsLogger() {
200 String timestamp = LoggingUtils.generateTimestampStr((new Date()).toInstant());
201 MDC.put(LoggingConstants.MDCKeys.BEGIN_TIMESTAMP, timestamp);
202 MDC.put(LoggingConstants.MDCKeys.END_TIMESTAMP, timestamp);
203 MDC.put(LoggingConstants.MDCKeys.ELAPSED_TIME, "0");
204 MDC.put(LoggingConstants.MDCKeys.STATUS_CODE, LoggingConstants.StatusCodes.COMPLETE);
205 MDC.put(LoggingConstants.MDCKeys.TARGET_ENTITY, "cdp");
206 MDC.put(LoggingConstants.MDCKeys.TARGET_SERVICE_NAME, "migrate server");
207 MDC.put(LoggingConstants.MDCKeys.CLASS_NAME,
208 "org.onap.appc.adapter.iaas.provider.operation.impl.MigrateServer");
212 private Server conductServerMigration(RequestContext rc, String vmUrl, String identStr, SvcLogicContext ctx)
213 throws RequestFailedException {
215 Context context = getContext(rc, vmUrl, identStr);
216 VMURL vm = VMURL.parseURL(vmUrl);
217 Server server = null;
219 if (context != null) {
220 server = lookupServer(rc, context, vm.getServerId());
221 logger.debug(Msg.SERVER_FOUND, vmUrl, context.getTenantName(), server.getStatus().toString());
222 migrateServer(rc, server, ctx);
223 server.refreshStatus();
227 } catch (IOException | ZoneException e1) {
228 msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, e1, e1.getClass().getSimpleName(),
229 MIGRATE_SERVICE.toString(), vmUrl, context.getTenantName());
230 logger.error(msg, e1);
231 metricsLogger.error(msg);
232 doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg);