Github user rhtyd commented on a diff in the pull request:
https://github.com/apache/cloudstack/pull/1502#discussion_r61846451
--- Diff:
server/src/org/apache/cloudstack/outofbandmanagement/OutOfBandManagementServiceImpl.java
---
@@ -0,0 +1,532 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements. See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership. The ASF licenses this file
+// to you 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.apache.cloudstack.outofbandmanagement;
+
+import com.cloud.alert.AlertManager;
+import com.cloud.dc.ClusterDetailsDao;
+import com.cloud.dc.ClusterDetailsVO;
+import com.cloud.dc.DataCenter;
+import com.cloud.dc.DataCenterDetailVO;
+import com.cloud.dc.dao.DataCenterDetailsDao;
+import com.cloud.domain.Domain;
+import com.cloud.event.ActionEvent;
+import com.cloud.event.ActionEventUtils;
+import com.cloud.event.EventTypes;
+import com.cloud.host.Host;
+import com.cloud.host.dao.HostDao;
+import com.cloud.org.Cluster;
+import com.cloud.utils.component.Manager;
+import com.cloud.utils.component.ManagerBase;
+import com.cloud.utils.db.GlobalLock;
+import com.cloud.utils.db.Transaction;
+import com.cloud.utils.db.TransactionCallback;
+import com.cloud.utils.db.TransactionStatus;
+import com.cloud.utils.exception.CloudRuntimeException;
+import com.cloud.utils.fsm.NoTransitionException;
+import com.google.common.base.Strings;
+import com.google.common.cache.Cache;
+import com.google.common.cache.CacheBuilder;
+import com.google.common.collect.ImmutableMap;
+import org.apache.cloudstack.api.response.OutOfBandManagementResponse;
+import org.apache.cloudstack.context.CallContext;
+import org.apache.cloudstack.framework.config.ConfigKey;
+import org.apache.cloudstack.framework.config.Configurable;
+import
org.apache.cloudstack.outofbandmanagement.dao.OutOfBandManagementDao;
+import
org.apache.cloudstack.outofbandmanagement.driver.OutOfBandManagementDriverChangePasswordCommand;
+import
org.apache.cloudstack.outofbandmanagement.driver.OutOfBandManagementDriverPowerCommand;
+import
org.apache.cloudstack.outofbandmanagement.driver.OutOfBandManagementDriverResponse;
+import org.apache.cloudstack.utils.identity.ManagementServerNode;
+import org.apache.log4j.Logger;
+import org.springframework.stereotype.Component;
+
+import javax.ejb.Local;
+import javax.inject.Inject;
+import javax.naming.ConfigurationException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ArrayBlockingQueue;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
+
+@Component
+@Local(value = {OutOfBandManagementService.class})
+public class OutOfBandManagementServiceImpl extends ManagerBase implements
OutOfBandManagementService, Manager, Configurable {
+ public static final Logger LOG =
Logger.getLogger(OutOfBandManagementServiceImpl.class);
+
+ @Inject
+ private ClusterDetailsDao clusterDetailsDao;
+ @Inject
+ private DataCenterDetailsDao dataCenterDetailsDao;
+ @Inject
+ private OutOfBandManagementDao outOfBandManagementDao;
+ @Inject
+ private HostDao hostDao;
+ @Inject
+ private AlertManager alertMgr;
+
+ private String name;
+ private long serviceId;
+
+ private List<OutOfBandManagementDriver> outOfBandManagementDrivers =
new ArrayList<>();
+ private Map<String, OutOfBandManagementDriver>
outOfBandManagementDriversMap = new HashMap<String,
OutOfBandManagementDriver>();
+
+ private static final String OOBM_ENABLED_DETAIL =
"outOfBandManagementEnabled";
+ private static final int ACQUIRE_GLOBAL_LOCK_TIMEOUT_FOR_HOST = 120;
+
+ private Cache<Long, Long> hostAlertCache;
+ private static ExecutorService backgroundSyncExecutor;
+
+ private String getOutOfBandManagementHostLock(long id) {
+ return "oobm.host." + id;
+ }
+
+ private void initializeDriversMap() {
+ if (outOfBandManagementDriversMap.isEmpty() &&
outOfBandManagementDrivers != null && outOfBandManagementDrivers.size() > 0) {
+ for (final OutOfBandManagementDriver driver :
outOfBandManagementDrivers) {
+
outOfBandManagementDriversMap.put(driver.getName().toLowerCase(), driver);
+ }
+ LOG.debug("Discovered out-of-band management drivers
configured in the OutOfBandManagementService");
+ }
+ }
+
+ private OutOfBandManagementDriver getDriver(final OutOfBandManagement
outOfBandManagementConfig) {
+ if (!Strings.isNullOrEmpty(outOfBandManagementConfig.getDriver()))
{
+ final OutOfBandManagementDriver driver =
outOfBandManagementDriversMap.get(outOfBandManagementConfig.getDriver());
+ if (driver != null) {
+ return driver;
+ }
+ }
+ throw new CloudRuntimeException("Configured out-of-band management
driver is not available. Aborting any out-of-band management action.");
+ }
+
+ protected OutOfBandManagement updateConfig(final OutOfBandManagement
outOfBandManagementConfig, final ImmutableMap<OutOfBandManagement.Option,
String> options) {
+ if (outOfBandManagementConfig == null) {
+ throw new CloudRuntimeException("Out-of-band management is not
configured for the host. Aborting.");
+ }
+ if (options == null) {
+ return outOfBandManagementConfig;
+ }
+ for (OutOfBandManagement.Option option: options.keySet()) {
+ final String value = options.get(option);
+ if (Strings.isNullOrEmpty(value)) {
+ continue;
+ }
+ switch (option) {
+ case DRIVER:
+ outOfBandManagementConfig.setDriver(value);
+ break;
+ case ADDRESS:
+ outOfBandManagementConfig.setAddress(value);
+ break;
+ case PORT:
+
outOfBandManagementConfig.setPort(Integer.parseInt(value));
+ break;
+ case USERNAME:
+ outOfBandManagementConfig.setUsername(value);
+ break;
+ case PASSWORD:
+ outOfBandManagementConfig.setPassword(value);
+ break;
+ }
+ }
+ return outOfBandManagementConfig;
+ }
+
+ protected ImmutableMap<OutOfBandManagement.Option, String>
getOptions(final OutOfBandManagement outOfBandManagementConfig) {
+ final ImmutableMap.Builder<OutOfBandManagement.Option, String>
optionsBuilder = ImmutableMap.builder();
+ if (outOfBandManagementConfig == null) {
+ throw new CloudRuntimeException("Out-of-band management is not
configured for the host. Aborting.");
+ }
+ for (OutOfBandManagement.Option option:
OutOfBandManagement.Option.values()) {
+ String value = null;
+ switch (option) {
+ case DRIVER:
+ value = outOfBandManagementConfig.getDriver();
+ break;
+ case ADDRESS:
+ value = outOfBandManagementConfig.getAddress();
+ break;
+ case PORT:
+ if (outOfBandManagementConfig.getPort() != null) {
+ value =
String.valueOf(outOfBandManagementConfig.getPort());
+ }
+ break;
+ case USERNAME:
+ value = outOfBandManagementConfig.getUsername();
+ break;
+ case PASSWORD:
+ value = outOfBandManagementConfig.getPassword();
+ break;
+ }
+ if (value != null) {
+ optionsBuilder.put(option, value);
+ }
+ }
+ return optionsBuilder.build();
+ }
+
+ private void sendAuthError(final Host host, final String message) {
+ try {
+ hostAlertCache.asMap().putIfAbsent(host.getId(), 0L);
+ Long sentCount = hostAlertCache.asMap().get(host.getId());
+ if (sentCount != null && sentCount <= 0) {
+ boolean concurrentUpdateResult =
hostAlertCache.asMap().replace(host.getId(), sentCount, sentCount+1L);
+ if (concurrentUpdateResult) {
+ final String subject = String.format("Out-of-band
management auth-error detected for host:%d in cluster:%d, zone:%d",
host.getId(), host.getClusterId(), host.getDataCenterId());
+ LOG.error(subject + ": " + message);
+
alertMgr.sendAlert(AlertManager.AlertType.ALERT_TYPE_OOBM_AUTH_ERROR,
host.getDataCenterId(), host.getPodId(), subject, message);
+ }
+ }
+ } catch (Exception ignored) {
+ }
+ }
+
+ private boolean
transitionPowerState(OutOfBandManagement.PowerState.Event event,
OutOfBandManagement outOfBandManagementHost) {
+ if (outOfBandManagementHost == null) {
+ return false;
+ }
+ OutOfBandManagement.PowerState currentPowerState =
outOfBandManagementHost.getPowerState();
+ try {
+ OutOfBandManagement.PowerState newPowerState =
OutOfBandManagement.PowerState.getStateMachine().getNextState(currentPowerState,
event);
+ boolean result =
outOfBandManagementDao.updateState(currentPowerState, event, newPowerState,
outOfBandManagementHost, null);
+ if (result) {
+ final String message = String.format("Transitioned
out-of-band management power state from:%s to:%s due to event:%s for the host
id:%d", currentPowerState, newPowerState, event,
outOfBandManagementHost.getHostId());
+ LOG.debug(message);
+
ActionEventUtils.onActionEvent(CallContext.current().getCallingUserId(),
CallContext.current().getCallingAccountId(), Domain.ROOT_DOMAIN,
+
EventTypes.EVENT_HOST_OUTOFBAND_MANAGEMENT_POWERSTATE_TRANSITION, message);
+ }
+ return result;
+ } catch (NoTransitionException ignored) {
+ LOG.trace(String.format("Unable to transition out-of-band
management power state for host id=%s for the event=%s and current power
state=%s", outOfBandManagementHost.getHostId(), event, currentPowerState));
--- End diff --
in case a state does not change, we 'll get these errors a lot -- therefore
a trace is used.
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