/*
* 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.ambari.server.checks;
import java.text.MessageFormat;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.ambari.server.AmbariException;
import org.apache.ambari.server.controller.PrereqCheckRequest;
import org.apache.ambari.server.orm.models.HostComponentSummary;
import org.apache.ambari.server.state.Cluster;
import org.apache.ambari.server.state.Host;
import org.apache.ambari.server.state.MaintenanceState;
import org.apache.ambari.server.state.Service;
import org.apache.ambari.server.state.ServiceComponent;
import org.apache.ambari.server.state.StackId;
import org.apache.ambari.server.state.State;
import org.apache.ambari.server.state.stack.PrereqCheckStatus;
import org.apache.ambari.server.state.stack.PrerequisiteCheck;
import org.apache.ambari.server.state.stack.upgrade.UpgradeType;
import org.apache.commons.lang.StringUtils;
import com.google.inject.Singleton;
/**
* Checks that service components are installed.
*/
@Singleton
@UpgradeCheck(
group = UpgradeCheckGroup.LIVELINESS,
order = 2.0f,
required = { UpgradeType.ROLLING, UpgradeType.NON_ROLLING, UpgradeType.HOST_ORDERED })
public class ComponentsInstallationCheck extends AbstractCheckDescriptor {
/**
* Constructor.
*/
public ComponentsInstallationCheck() {
super(CheckDescription.COMPONENTS_INSTALLATION);
}
@Override
public void perform(PrerequisiteCheck prerequisiteCheck, PrereqCheckRequest request) throws AmbariException {
final String clusterName = request.getClusterName();
final Cluster cluster = clustersProvider.get().getCluster(clusterName);
Set<String> failedServiceNames = new HashSet<>();
StackId stackId = cluster.getCurrentStackVersion();
// Preq-req check should fail if any service component is in INSTALL_FAILED state
Set<String> installFailedHostComponents = new HashSet<>();
for (Map.Entry<String, Service> serviceEntry : cluster.getServices().entrySet()) {
final Service service = serviceEntry.getValue();
// Skip service if it is in maintenance mode
if (service.getMaintenanceState() != MaintenanceState.ON) {
Map<String, ServiceComponent> serviceComponents = service.getServiceComponents();
for (Map.Entry<String, ServiceComponent> component : serviceComponents.entrySet()) {
ServiceComponent serviceComponent = component.getValue();
if (serviceComponent.isVersionAdvertised()) {
List<HostComponentSummary> hostComponentSummaries = HostComponentSummary.getHostComponentSummaries(
service.getName(), serviceComponent.getName());
for (HostComponentSummary hcs : hostComponentSummaries) {
// Skip host if it is in maintenance mode
Host host = clustersProvider.get().getHost(hcs.getHostName());
if (host.getMaintenanceState(cluster.getClusterId()) != MaintenanceState.ON) {
if (hcs.getCurrentState() == State.INSTALL_FAILED) {
failedServiceNames.add(service.getName());
installFailedHostComponents.add(MessageFormat.format(
"[{0}:{1} on {2}]", service.getName(), serviceComponent.getName(), hcs.getHostName()));
}
}
}
}
}
}
}
if(!installFailedHostComponents.isEmpty()) {
String message = MessageFormat.format("Service components in INSTALL_FAILED state: {0}.",
StringUtils.join(installFailedHostComponents, ", "));
prerequisiteCheck.setFailedOn(new LinkedHashSet<>(failedServiceNames));
prerequisiteCheck.setStatus(PrereqCheckStatus.FAIL);
prerequisiteCheck.setFailReason(
"Found service components in INSTALL_FAILED state. Please re-install these components. " + message);
}
}
}