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/*
* (c) Copyright 2017 EntIT Software LLC, a Micro Focus company, L.P.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Apache License v2.0 which accompany this distribution.
*
* The Apache License is available 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 io.cloudslang.content.vmware.connection.helpers;
import com.vmware.vim25.DynamicProperty;
import com.vmware.vim25.InvalidPropertyFaultMsg;
import com.vmware.vim25.ManagedObjectReference;
import com.vmware.vim25.ObjectContent;
import com.vmware.vim25.PropertyFilterSpec;
import com.vmware.vim25.RetrieveOptions;
import com.vmware.vim25.RetrieveResult;
import com.vmware.vim25.RuntimeFaultFaultMsg;
import com.vmware.vim25.ServiceContent;
import com.vmware.vim25.VimPortType;
import io.cloudslang.content.utils.StringUtilities;
import io.cloudslang.content.vmware.connection.Connection;
import io.cloudslang.content.vmware.connection.helpers.build.ObjectSpecBuilder;
import io.cloudslang.content.vmware.connection.helpers.build.PropertyFilterSpecBuilder;
import io.cloudslang.content.vmware.connection.helpers.build.PropertySpecBuilder;
import io.cloudslang.content.vmware.connection.helpers.build.TraversalSpecBuilder;
import io.cloudslang.content.vmware.entities.ManagedObjectType;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import static io.cloudslang.content.vmware.constants.ErrorMessages.REFERENCE_TYPE_WITH_ID_NOT_FOUND;
import static org.apache.commons.lang3.StringUtils.isEmpty;
public class MoRefHandler {
private final VimPortType vimPort;
private final ServiceContent serviceContent;
public MoRefHandler(Connection connection) {
this.serviceContent = connection.getServiceContent();
this.vimPort = connection.getVimPort();
}
public ManagedObjectReference findManagedObjectReferenceByTypeAndId(final ManagedObjectReference folder,
final String morefType,
final RetrieveOptions retrieveOptions, final String id) throws Exception {
final PropertyFilterSpec[] propertyFilterSpecs = propertyFilterSpecs(folder, morefType);
final ManagedObjectReference searchedReference = findComponentReference(propertyFilterSpecs, retrieveOptions, id);
if (searchedReference != null) {
return searchedReference;
}
throw new RuntimeException(String.format(REFERENCE_TYPE_WITH_ID_NOT_FOUND, morefType, id));
}
/**
* Method to retrieve properties of a {@link ManagedObjectReference}
*
* @param entityMor {@link ManagedObjectReference} of the entity
* @param props Array of properties to be looked up
* @return Map of the property name and its corresponding value
* @throws InvalidPropertyFaultMsg If a property does not exist
* @throws RuntimeFaultFaultMsg
*/
public Map entityProps(ManagedObjectReference entityMor, String[] props)
throws InvalidPropertyFaultMsg, RuntimeFaultFaultMsg {
final HashMap retVal = new HashMap<>();
// Create PropertyFilterSpec using the PropertySpec and ObjectPec
PropertyFilterSpec[] propertyFilterSpecs = {new PropertyFilterSpecBuilder().propSet(
// Create Property Spec
new PropertySpecBuilder().all(false).type(entityMor.getType()).pathSet(props))
.objectSet(
// Now create Object Spec
new ObjectSpecBuilder().obj(entityMor))};
List objCont = vimPort.retrievePropertiesEx(serviceContent.getPropertyCollector(),
Arrays.asList(propertyFilterSpecs), new RetrieveOptions()).getObjects();
if (objCont != null) {
for (ObjectContent oc : objCont) {
List dps = oc.getPropSet();
for (DynamicProperty dp : dps) {
retVal.put(dp.getName(), dp.getVal());
}
}
}
return retVal;
}
/**
* Returns all the MOREFs of the specified type that are present under the
* container
*
* @param folder {@link ManagedObjectReference} of the container to begin the
* search from
* @param morefType Type of the managed entity that needs to be searched
* @return Map of name and MOREF of the managed objects present. If none
* exist then empty Map is returned
* @throws InvalidPropertyFaultMsg
* @throws RuntimeFaultFaultMsg
*/
public Map inContainerByType(ManagedObjectReference folder,
String morefType,
RetrieveOptions retrieveOptions)
throws InvalidPropertyFaultMsg, RuntimeFaultFaultMsg {
RetrieveResult results = containerViewByType(folder, morefType, retrieveOptions);
return toMap(results);
}
public Map inContainerByType(ManagedObjectReference container,
String morefType)
throws InvalidPropertyFaultMsg, RuntimeFaultFaultMsg {
return inContainerByType(container, morefType, new RetrieveOptions());
}
private PropertyFilterSpec[] propertyFilterSpecs(ManagedObjectReference container,
String morefType,
String... morefProperties
) throws RuntimeFaultFaultMsg {
ManagedObjectReference viewManager = serviceContent.getViewManager();
ManagedObjectReference containerView = vimPort.createContainerView(viewManager, container,
Arrays.asList(morefType), true);
return new PropertyFilterSpec[]{
new PropertyFilterSpecBuilder().propSet(new PropertySpecBuilder().all(false)
.type(morefType).pathSet(morefProperties)).objectSet(new ObjectSpecBuilder()
.obj(containerView).skip(true).selectSet(new TraversalSpecBuilder()
.name(ManagedObjectType.VIEW.getValue())
.path(ManagedObjectType.VIEW.getValue())
.skip(false)
.type(ManagedObjectType.CONTAINER_VIEW.getValue())))};
}
/**
* Returns the raw RetrieveResult object for the provided container filtered on properties list
*
* @param container - container to look in
* @param morefType - type to filter for
* @param morefProperties - properties to include
* @return com.vmware.vim25.RetrieveResult for this query
* @throws RuntimeFaultFaultMsg
* @throws InvalidPropertyFaultMsg
*/
private RetrieveResult containerViewByType(final ManagedObjectReference container,
final String morefType,
final RetrieveOptions retrieveOptions,
final String... morefProperties
) throws RuntimeFaultFaultMsg, InvalidPropertyFaultMsg {
PropertyFilterSpec[] propertyFilterSpecs = propertyFilterSpecs(container, morefType, morefProperties);
return containerViewByType(retrieveOptions, propertyFilterSpecs);
}
/**
* Initialize the helper object on the current connection at invocation time. Do not initialize on construction
* since the connection may not be ready yet.
*/
private RetrieveResult containerViewByType(final ManagedObjectReference container,
final String morefType,
final RetrieveOptions retrieveOptions
) throws RuntimeFaultFaultMsg, InvalidPropertyFaultMsg {
return this.containerViewByType(container, morefType, retrieveOptions, ManagedObjectType.NAME.getValue());
}
private RetrieveResult containerViewByType(final RetrieveOptions retrieveOptions,
final PropertyFilterSpec... propertyFilterSpecs)
throws RuntimeFaultFaultMsg, InvalidPropertyFaultMsg {
return vimPort.retrievePropertiesEx(serviceContent.getPropertyCollector(), Arrays.asList(propertyFilterSpecs),
retrieveOptions);
}
private Map toMap(RetrieveResult result)
throws InvalidPropertyFaultMsg, RuntimeFaultFaultMsg {
final Map tgtMoref = new HashMap<>();
String token = populate(result, tgtMoref);
while (token != null && !token.isEmpty()) {
// fetch results based on new token
result = vimPort.continueRetrievePropertiesEx(serviceContent.getPropertyCollector(), token);
token = populate(result, tgtMoref);
}
return tgtMoref;
}
private static String populate(final RetrieveResult results, final Map tgtMoref) {
String token = null;
if (results != null) {
token = results.getToken();
for (ObjectContent oc : results.getObjects()) {
ManagedObjectReference mr = oc.getObj();
String entityNm = null;
List dps = oc.getPropSet();
if (dps != null) {
for (DynamicProperty dp : dps) {
entityNm = (String) dp.getVal();
}
}
tgtMoref.put(entityNm, mr);
}
}
return token;
}
private ManagedObjectReference findComponentReference(final PropertyFilterSpec[] propertyFilterSpecs,
final RetrieveOptions retrieveOptions, final String id) throws Exception {
String token = null;
ManagedObjectReference searched;
do {
final RetrieveResult retrieveResult = retrievePropertiesEx(Arrays.asList(propertyFilterSpecs), retrieveOptions, token);
token = retrieveResult.getToken();
searched = getFromRetrieveResult(retrieveResult, id);
} while (searched == null && StringUtilities.isNotEmpty(token));
return searched;
}
private RetrieveResult retrievePropertiesEx(final List propertyFilterSpecs, final RetrieveOptions retrieveOptions,
final String token) throws Exception {
if (isEmpty(token)) {
return vimPort.retrievePropertiesEx(serviceContent.getPropertyCollector(), propertyFilterSpecs, retrieveOptions);
}
return vimPort.continueRetrievePropertiesEx(serviceContent.getPropertyCollector(), token);
}
private ManagedObjectReference getFromRetrieveResult(final RetrieveResult retrieveResult, final String id) {
for (final ObjectContent oc : retrieveResult.getObjects()) {
if (StringUtilities.equals(id, oc.getObj().getValue())) {
return oc.getObj();
}
}
return null;
}
}
