/*
* 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.audit.request.eventcreator;
import java.util.Map;
import java.util.Set;
import org.apache.ambari.server.api.services.Request;
import org.apache.ambari.server.api.services.Result;
import org.apache.ambari.server.api.services.ResultStatus;
import org.apache.ambari.server.audit.event.AuditEvent;
import org.apache.ambari.server.audit.event.request.StartOperationRequestAuditEvent;
import org.apache.ambari.server.controller.internal.HostComponentResourceProvider;
import org.apache.ambari.server.controller.internal.RequestOperationLevel;
import org.apache.ambari.server.controller.spi.Resource;
import com.google.common.collect.ImmutableSet;
/**
* This creator handles operation requests (start, stop, install, etc)
* For resource type {@link org.apache.ambari.server.controller.spi.Resource.Type#HostComponent}
* and request types {@link org.apache.ambari.server.api.services.Request.Type#POST}, {@link org.apache.ambari.server.api.services.Request.Type#PUT} and {@link org.apache.ambari.server.api.services.Request.Type#DELETE}
*/
public class ComponentEventCreator implements RequestAuditEventCreator {
/**
* Set of {@link Request.Type}s that are handled by this plugin
*/
private Set<Request.Type> requestTypes = ImmutableSet.<Request.Type>builder().add(Request.Type.PUT, Request.Type.POST, Request.Type.DELETE).build();
/**
* Set of {@link Resource.Type}s that are handled by this plugin
*/
private Set<Resource.Type> resourceTypes = ImmutableSet.<Resource.Type>builder().add(Resource.Type.HostComponent).build();
/**
* {@inheritDoc}
*/
@Override
public Set<Request.Type> getRequestTypes() {
return requestTypes;
}
/**
* {@inheritDoc}
*/
@Override
public Set<Resource.Type> getResourceTypes() {
return resourceTypes;
}
/**
* {@inheritDoc}
*/
@Override
public Set<ResultStatus.STATUS> getResultStatuses() {
// null makes this default
return null;
}
/**
* {@inheritDoc}
*/
@Override
public AuditEvent createAuditEvent(Request request, Result result) {
String operation = getOperation(request);
Long requestId = null;
if (containsRequestId(result)) {
requestId = getRequestId(result);
}
StartOperationRequestAuditEvent.StartOperationAuditEventBuilder auditEventBuilder = StartOperationRequestAuditEvent.builder()
.withOperation(operation)
.withRemoteIp(request.getRemoteAddress())
.withTimestamp(System.currentTimeMillis())
.withHostname(RequestAuditEventCreatorHelper.getProperty(request, HostComponentResourceProvider.HOST_COMPONENT_HOST_NAME_PROPERTY_ID))
.withRequestId(String.valueOf(requestId));
if (result.getStatus().isErrorState()) {
auditEventBuilder.withReasonOfFailure(result.getStatus().getMessage());
}
return auditEventBuilder.build();
}
/**
* Generates operation name based on the request. It checks the operation level, the host name, the service name, the status
* and whether this is a maintenance mode switch change.
* @param request
* @return
*/
private String getOperation(Request request) {
if (request.getRequestType() == Request.Type.DELETE) {
return "Delete component " + request.getResource().getKeyValueMap().get(Resource.Type.HostComponent);
}
if (request.getBody().getRequestInfoProperties() != null && request.getBody().getRequestInfoProperties().containsKey(RequestOperationLevel.OPERATION_LEVEL_ID)) {
String operation = "";
switch (request.getBody().getRequestInfoProperties().get(RequestOperationLevel.OPERATION_LEVEL_ID)) {
case "CLUSTER":
for (Map<String, Object> map : request.getBody().getPropertySets()) {
if (map.containsKey(HostComponentResourceProvider.HOST_COMPONENT_CLUSTER_NAME_PROPERTY_ID)) {
operation = String.valueOf(map.get(HostComponentResourceProvider.HOST_COMPONENT_STATE_PROPERTY_ID)) + ": all services"
+ " on all hosts"
+ (request.getBody().getQueryString() != null && request.getBody().getQueryString().length() > 0 ? " that matches " + request.getBody().getQueryString() : "")
+ " (" + request.getBody().getRequestInfoProperties().get(RequestOperationLevel.OPERATION_CLUSTER_ID) + ")";
break;
}
}
break;
case "HOST":
for (Map<String, Object> map : request.getBody().getPropertySets()) {
if (map.containsKey(HostComponentResourceProvider.HOST_COMPONENT_CLUSTER_NAME_PROPERTY_ID)) {
String query = request.getBody().getRequestInfoProperties().get("query");
operation = String.valueOf(map.get(HostComponentResourceProvider.HOST_COMPONENT_STATE_PROPERTY_ID)) + ": " + query.substring(query.indexOf("(") + 1, query.length() - 1)
+ " on " + request.getBody().getRequestInfoProperties().get(RequestOperationLevel.OPERATION_HOST_NAME)
+ " (" + request.getBody().getRequestInfoProperties().get(RequestOperationLevel.OPERATION_CLUSTER_ID) + ")";
break;
}
}
break;
case "HOST_COMPONENT":
for (Map<String, Object> map : request.getBody().getPropertySets()) {
if (map.containsKey(HostComponentResourceProvider.HOST_COMPONENT_COMPONENT_NAME_PROPERTY_ID)) {
operation = String.valueOf(map.get(HostComponentResourceProvider.HOST_COMPONENT_STATE_PROPERTY_ID)) + ": " + String.valueOf(map.get(HostComponentResourceProvider.HOST_COMPONENT_COMPONENT_NAME_PROPERTY_ID))
+ "/" + request.getBody().getRequestInfoProperties().get(RequestOperationLevel.OPERATION_SERVICE_ID)
+ " on " + request.getBody().getRequestInfoProperties().get(RequestOperationLevel.OPERATION_HOST_NAME)
+ " (" + request.getBody().getRequestInfoProperties().get(RequestOperationLevel.OPERATION_CLUSTER_ID) + ")";
break;
}
}
break;
}
return operation;
}
for (Map<String, Object> map : request.getBody().getPropertySets()) {
if (map.containsKey(HostComponentResourceProvider.HOST_COMPONENT_MAINTENANCE_STATE_PROPERTY_ID)) {
return "Turn " + map.get(HostComponentResourceProvider.HOST_COMPONENT_MAINTENANCE_STATE_PROPERTY_ID) + " Maintenance Mode for " + map.get(HostComponentResourceProvider.HOST_COMPONENT_COMPONENT_NAME_PROPERTY_ID);
}
}
return null;
}
/**
* Returns request id from the result
* @param result
* @return
*/
private Long getRequestId(Result result) {
return (Long) result.getResultTree().getChild("request").getObject().getPropertiesMap().get("Requests").get("id");
}
/**
* Checks if request id can be found in the result
* @param result
* @return
*/
private boolean containsRequestId(Result result) {
return result.getResultTree().getChild("request") != null
&& result.getResultTree().getChild("request").getObject() != null
&& result.getResultTree().getChild("request").getObject().getPropertiesMap().get("Requests") != null
&& result.getResultTree().getChild("request").getObject().getPropertiesMap().get("Requests").get("id") != null;
}
}