1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
|
/*-
* ============LICENSE_START=======================================================
* ONAP : APPC
* ================================================================================
* Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Copyright (C) 2017 Amdocs
* =============================================================================
* 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.
*
* ============LICENSE_END=========================================================
*/
package org.onap.appc.adapter.iaas.provider.operation.impl;
import com.att.cdp.exceptions.ZoneException;
import com.att.cdp.zones.ComputeService;
import com.att.cdp.zones.Context;
import com.att.cdp.zones.model.ModelObject;
import com.att.cdp.zones.model.Server;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import com.att.eelf.i18n.EELFResourceManager;
import org.glassfish.grizzly.http.util.HttpStatus;
import org.onap.appc.Constants;
import org.onap.appc.adapter.iaas.ProviderAdapter;
import org.onap.appc.adapter.iaas.impl.IdentityURL;
import org.onap.appc.adapter.iaas.impl.RequestContext;
import org.onap.appc.adapter.iaas.impl.RequestFailedException;
import org.onap.appc.adapter.iaas.impl.VMURL;
import org.onap.appc.adapter.iaas.provider.operation.common.constants.Property;
import org.onap.appc.adapter.iaas.provider.operation.common.enums.Operation;
import org.onap.appc.adapter.iaas.provider.operation.impl.base.ProviderServerOperation;
import org.onap.appc.configuration.Configuration;
import org.onap.appc.configuration.ConfigurationFactory;
import org.onap.appc.exceptions.APPCException;
import org.onap.appc.i18n.Msg;
import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
import org.slf4j.MDC;
import java.io.IOException;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Collection;
import java.util.Date;
import java.util.Map;
import java.util.TimeZone;
import java.util.Iterator;
import static org.onap.appc.adapter.iaas.provider.operation.common.enums.Operation.MIGRATE_SERVICE;
import static org.onap.appc.adapter.utils.Constants.ADAPTER_NAME;
public class MigrateServer extends ProviderServerOperation {
private static final EELFLogger logger = EELFManager.getInstance().getLogger(EvacuateServer.class);
private static EELFLogger metricsLogger = EELFManager.getInstance().getMetricsLogger();
private static final Configuration configuration = ConfigurationFactory.getConfiguration();
/**
* A list of valid initial VM statuses for a migrate operations
*/
private final Collection<Server.Status> migratableStatuses =
Arrays.asList(Server.Status.READY, Server.Status.RUNNING, Server.Status.SUSPENDED);
private String getConnectionExceptionMessage(RequestContext rc, Context ctx, ZoneException e)
throws ZoneException {
return EELFResourceManager.format(Msg.CONNECTION_FAILED_RETRY, ctx.getProvider().getName(),
ctx.getComputeService().getURL(), ctx.getTenant().getName(), ctx.getTenant().getId(), e.getMessage(),
Long.toString(rc.getRetryDelay()), Integer.toString(rc.getAttempts()),
Integer.toString(rc.getRetryLimit()));
}
private void migrateServer(RequestContext rc, Server server, SvcLogicContext svcCtx)
throws ZoneException, RequestFailedException {
String msg;
Context ctx = server.getContext();
ComputeService service = ctx.getComputeService();
// Init status will equal final status
Server.Status initialStatus = server.getStatus();
if (initialStatus == null) {
throw new ZoneException("Failed to determine server's starting status");
}
// We can only migrate certain statuses
if (!migratableStatuses.contains(initialStatus)) {
throw new ZoneException(String.format("Cannot migrate server that is in %s state. Must be in one of [%s]",
initialStatus, migratableStatuses));
}
setTimeForMetricsLogger();
// Is the skip Hypervisor check attribute populated?
String skipHypervisorCheck = configuration.getProperty(Property.SKIP_HYPERVISOR_CHECK);
if (skipHypervisorCheck == null && svcCtx != null) {
skipHypervisorCheck = svcCtx.getAttribute(ProviderAdapter.SKIP_HYPERVISOR_CHECK);
}
// Always perform Hypervisor check
// unless the skip is set to true
if (skipHypervisorCheck == null || (!skipHypervisorCheck.equalsIgnoreCase("true"))) {
// Check of the Hypervisor for the VM Server is UP and reachable
checkHypervisor(server);
}
boolean inConfirmPhase = false;
while (rc.attempt()) {
try {
if (!inConfirmPhase) {
// Initial migrate request
service.migrateServer(server.getId());
// Wait for change to verify resize
waitForStateChange(rc, server, Server.Status.READY);
inConfirmPhase = true;
}
// Verify resize
service.processResize(server);
// Wait for complete. will go back to init status
waitForStateChange(rc, server, initialStatus);
logger.info("Completed migrate request successfully");
metricsLogger.info("Completed migrate request successfully");
break;
} catch (ZoneException e) {
try {
msg = getConnectionExceptionMessage(rc, ctx, e);
} catch (ZoneException e1) {
String phase = inConfirmPhase ? "VERIFY MIGRATE" : "REQUEST MIGRATE";
msg = EELFResourceManager.format(Msg.MIGRATE_SERVER_FAILED, server.getName(), server.getId(), phase,
e1.getMessage());
generateEvent(rc, false, msg);
logger.error(msg, e1);
metricsLogger.error(msg, e1);
throw new RequestFailedException("Migrate Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405, server);
}
logger.error(msg, e);
metricsLogger.error(msg, e);
rc.delay();
}
}
}
/**
* @see org.onap.appc.adapter.iaas.ProviderAdapter#migrateServer(java.util.Map,
* org.onap.ccsdk.sli.core.sli.SvcLogicContext)
*/
private Server migrateServer(Map<String, String> params, SvcLogicContext ctx) {
Server server = null;
RequestContext rc = new RequestContext(ctx);
rc.isAlive();
setTimeForMetricsLogger();
try {
validateParametersExist(params, ProviderAdapter.PROPERTY_INSTANCE_URL,
ProviderAdapter.PROPERTY_PROVIDER_NAME);
String vm_url = params.get(ProviderAdapter.PROPERTY_INSTANCE_URL);
String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME);
VMURL vm = VMURL.parseURL(vm_url);
if (validateVM(rc, appName, vm_url, vm))
return null;
IdentityURL ident = IdentityURL.parseURL(params.get(ProviderAdapter.PROPERTY_IDENTITY_URL));
String identStr = (ident == null) ? null : ident.toString();
server = conductServerMigration(rc, vm_url, identStr, ctx);
} catch (RequestFailedException e) {
doFailure(rc, e.getStatus(), e.getMessage());
}
return server;
}
@Override
protected ModelObject executeProviderOperation(Map<String, String> params, SvcLogicContext context)
throws APPCException {
setMDC(Operation.MIGRATE_SERVICE.toString(), "App-C IaaS Adapter:Migrate", ADAPTER_NAME);
logOperation(Msg.MIGRATING_SERVER, params, context);
setTimeForMetricsLogger();
metricsLogger.info("Executing Provider Operation: Migrate");
return migrateServer(params, context);
}
private void setTimeForMetricsLogger() {
long startTime = System.currentTimeMillis();
TimeZone tz = TimeZone.getTimeZone("UTC");
DateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ");
df.setTimeZone(tz);
long endTime = System.currentTimeMillis();
long duration = endTime - startTime;
String durationStr = String.valueOf(duration);
String endTimeStrUTC = df.format(new Date());
MDC.put("EndTimestamp", endTimeStrUTC);
MDC.put("ElapsedTime", durationStr);
MDC.put("TargetEntity", "cdp");
MDC.put("TargetServiceName", "migrate server");
MDC.put("ClassName", "org.onap.appc.adapter.iaas.provider.operation.impl.MigrateServer");
}
private Server conductServerMigration(RequestContext rc, String vm_url, String identStr, SvcLogicContext ctx) throws RequestFailedException {
String msg;
Context context = getContext(rc, vm_url, identStr);
VMURL vm = VMURL.parseURL(vm_url);
Server server = null;
try {
if (context != null) {
server = lookupServer(rc, context, vm.getServerId());
logger.debug(Msg.SERVER_FOUND, vm_url, context.getTenantName(), server.getStatus().toString());
migrateServer(rc, server, ctx);
server.refreshStatus();
context.close();
doSuccess(rc);
}
} catch (IOException | ZoneException e1) {
msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, e1, e1.getClass().getSimpleName(),
MIGRATE_SERVICE.toString(), vm_url, context.getTenantName());
logger.error(msg, e1);
metricsLogger.error(msg);
doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg);
}
return server;
}
}
|