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// to you under the Apache License, Version 2.0 (the
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//
// http://www.apache.org/licenses/LICENSE-2.0
//
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package com.cloud.hypervisor.vmware.mo;
import java.net.URI;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import com.vmware.vim25.CustomFieldStringValue;
import com.vmware.vim25.DatastoreInfo;
import com.vmware.vim25.DynamicProperty;
import com.vmware.vim25.HostNasVolumeSpec;
import com.vmware.vim25.HostScsiDisk;
import com.vmware.vim25.ManagedObjectReference;
import com.vmware.vim25.NasDatastoreInfo;
import com.vmware.vim25.ObjectContent;
import com.vmware.vim25.ObjectSpec;
import com.vmware.vim25.PropertyFilterSpec;
import com.vmware.vim25.PropertySpec;
import com.vmware.vim25.TraversalSpec;
import com.vmware.vim25.VmfsDatastoreCreateSpec;
import com.vmware.vim25.VmfsDatastoreOption;
import com.cloud.hypervisor.vmware.util.VmwareContext;
public class HostDatastoreSystemMO extends BaseMO {
public HostDatastoreSystemMO(VmwareContext context, ManagedObjectReference morHostDatastore) {
super(context, morHostDatastore);
}
public HostDatastoreSystemMO(VmwareContext context, String morType, String morValue) {
super(context, morType, morValue);
}
public ManagedObjectReference findDatastore(String name) throws Exception {
// added cloud.com specific name convention, we will use custom field "cloud.uuid" as datastore name as well
CustomFieldsManagerMO cfmMo = new CustomFieldsManagerMO(_context, _context.getServiceContent().getCustomFieldsManager());
int key = cfmMo.getCustomFieldKey("Datastore", CustomFieldConstants.CLOUD_UUID);
assert (key != 0);
List<ObjectContent> ocs = getDatastorePropertiesOnHostDatastoreSystem(new String[] {"name", String.format("value[%d]", key)});
if (ocs != null) {
for (ObjectContent oc : ocs) {
if (oc.getPropSet().get(0).getVal().equals(name))
return oc.getObj();
if (oc.getPropSet().size() > 1) {
DynamicProperty prop = oc.getPropSet().get(1);
if (prop != null && prop.getVal() != null) {
if (prop.getVal() instanceof CustomFieldStringValue) {
String val = ((CustomFieldStringValue)prop.getVal()).getValue();
if (val.equalsIgnoreCase(name))
return oc.getObj();
}
}
}
}
}
return null;
}
// storeUrl in nfs://host/exportpath format
public ManagedObjectReference findDatastoreByUrl(String storeUrl) throws Exception {
assert (storeUrl != null);
List<ManagedObjectReference> datastores = getDatastores();
if (datastores != null && datastores.size() > 0) {
for (ManagedObjectReference morDatastore : datastores) {
NasDatastoreInfo info = getNasDatastoreInfo(morDatastore);
if (info != null) {
URI uri = new URI(storeUrl);
String vmwareStyleUrl = "netfs://" + uri.getHost() + "/" + uri.getPath() + "/";
if (info.getUrl().equals(vmwareStyleUrl))
return morDatastore;
}
}
}
return null;
}
public ManagedObjectReference findDatastoreByName(String datastoreName) throws Exception {
assert (datastoreName != null);
List<ManagedObjectReference> datastores = getDatastores();
if (datastores != null) {
for (ManagedObjectReference morDatastore : datastores) {
DatastoreInfo info = getDatastoreInfo(morDatastore);
if (info != null) {
if (info.getName().equals(datastoreName))
return morDatastore;
}
}
}
return null;
}
// TODO this is a hacking helper method, when we can pass down storage pool info along with volume
// we should be able to find the datastore by name
public ManagedObjectReference findDatastoreByExportPath(String exportPath) throws Exception {
assert (exportPath != null);
List<ManagedObjectReference> datastores = getDatastores();
if (datastores != null && datastores.size() > 0) {
for (ManagedObjectReference morDatastore : datastores) {
DatastoreMO dsMo = new DatastoreMO(_context, morDatastore);
if (dsMo.getInventoryPath().equals(exportPath))
return morDatastore;
NasDatastoreInfo info = getNasDatastoreInfo(morDatastore);
if (info != null) {
String vmwareUrl = info.getUrl();
if (vmwareUrl.charAt(vmwareUrl.length() - 1) == '/')
vmwareUrl = vmwareUrl.substring(0, vmwareUrl.length() - 1);
URI uri = new URI(vmwareUrl);
if (uri.getPath().equals("/" + exportPath))
return morDatastore;
}
}
}
return null;
}
public List<HostScsiDisk> queryAvailableDisksForVmfs() throws Exception {
return _context.getService().queryAvailableDisksForVmfs(_mor, null);
}
public ManagedObjectReference createVmfsDatastore(String datastoreName, HostScsiDisk hostScsiDisk) throws Exception {
// just grab the first instance of VmfsDatastoreOption
VmfsDatastoreOption vmfsDatastoreOption = _context.getService().queryVmfsDatastoreCreateOptions(_mor, hostScsiDisk.getDevicePath(), 5).get(0);
VmfsDatastoreCreateSpec vmfsDatastoreCreateSpec = (VmfsDatastoreCreateSpec)vmfsDatastoreOption.getSpec();
// set the name of the datastore to be created
vmfsDatastoreCreateSpec.getVmfs().setVolumeName(datastoreName);
return _context.getService().createVmfsDatastore(_mor, vmfsDatastoreCreateSpec);
}
public boolean deleteDatastore(String name) throws Exception {
ManagedObjectReference morDatastore = findDatastore(name);
if (morDatastore != null) {
_context.getService().removeDatastore(_mor, morDatastore);
return true;
}
return false;
}
public ManagedObjectReference createNfsDatastore(String host, int port, String exportPath, String uuid) throws Exception {
HostNasVolumeSpec spec = new HostNasVolumeSpec();
spec.setRemoteHost(host);
spec.setRemotePath(exportPath);
spec.setType("nfs");
spec.setLocalPath(uuid);
// readOnly/readWrite
spec.setAccessMode("readWrite");
return _context.getService().createNasDatastore(_mor, spec);
}
public List<ManagedObjectReference> getDatastores() throws Exception {
return _context.getVimClient().getDynamicProperty(_mor, "datastore");
}
public DatastoreInfo getDatastoreInfo(ManagedObjectReference morDatastore) throws Exception {
return (DatastoreInfo)_context.getVimClient().getDynamicProperty(morDatastore, "info");
}
public NasDatastoreInfo getNasDatastoreInfo(ManagedObjectReference morDatastore) throws Exception {
DatastoreInfo info = (DatastoreInfo)_context.getVimClient().getDynamicProperty(morDatastore, "info");
if (info instanceof NasDatastoreInfo)
return (NasDatastoreInfo)info;
return null;
}
public List<ObjectContent> getDatastorePropertiesOnHostDatastoreSystem(String[] propertyPaths) throws Exception {
PropertySpec pSpec = new PropertySpec();
pSpec.setType("Datastore");
pSpec.getPathSet().addAll(Arrays.asList(propertyPaths));
TraversalSpec hostDsSys2DatastoreTraversal = new TraversalSpec();
hostDsSys2DatastoreTraversal.setType("HostDatastoreSystem");
hostDsSys2DatastoreTraversal.setPath("datastore");
hostDsSys2DatastoreTraversal.setName("hostDsSys2DatastoreTraversal");
ObjectSpec oSpec = new ObjectSpec();
oSpec.setObj(_mor);
oSpec.setSkip(Boolean.TRUE);
oSpec.getSelectSet().add(hostDsSys2DatastoreTraversal);
PropertyFilterSpec pfSpec = new PropertyFilterSpec();
pfSpec.getPropSet().add(pSpec);
pfSpec.getObjectSet().add(oSpec);
List<PropertyFilterSpec> pfSpecArr = new ArrayList<PropertyFilterSpec>();
pfSpecArr.add(pfSpec);
return _context.getService().retrieveProperties(_context.getPropertyCollector(), pfSpecArr);
}
}