@Override
public void process() {
logger.info("Processing virtual pool auto tiering policy migration");
DbClient dbClient = getDbClient();
try {
List<URI> virtualPoolUris = dbClient.queryByType(VirtualPool.class, true);
Iterator<VirtualPool> virtualPools =
dbClient.queryIterativeObjects(VirtualPool.class, virtualPoolUris, true);
while (virtualPools.hasNext()) {
VirtualPool virtualPool = virtualPools.next();
// If there is a FAST policy associated with the vpool, then mark the uniquePolicyNames to
// true
if (virtualPool.getAutoTierPolicyName() != null
&& !virtualPool.getAutoTierPolicyName().isEmpty()) {
// No way other than using contains to differentiate NativeGuid
if (virtualPool.getAutoTierPolicyName().contains(NATIVE_GUID_DELIMITER)) {
virtualPool.setUniquePolicyNames(false);
} else {
virtualPool.setUniquePolicyNames(true);
}
dbClient.persistObject(virtualPool);
logger.info(
"Updating VirtualPool (id={}) with unique policy names set to {}",
virtualPool.getId().toString(),
virtualPool.getUniquePolicyNames());
}
}
} catch (Exception ex) {
logger.error("Exception occured while migrating auto tiering policy of vpool");
logger.error(ex.getMessage(), ex);
}
}
/**
* Checks the UnManaged Volume's policy with vPool's policy.
*
* @param vPool the vPool
* @param autoTierPolicyId the auto tier policy id on unmanaged volume
* @param system the system
* @return true, if matching, false otherwise
*/
public static boolean checkVPoolValidForUnManagedVolumeAutoTieringPolicy(
VirtualPool vPool, String autoTierPolicyId, StorageSystem system) {
_log.debug("Policy Id: {}, vPool: {}", autoTierPolicyId, vPool);
boolean policyMatching = false;
String policyIdfromVPool = vPool.getAutoTierPolicyName();
if (autoTierPolicyId != null) {
if (policyIdfromVPool != null) {
if (vPool.getUniquePolicyNames()
|| DiscoveredDataObject.Type.vnxblock.name().equalsIgnoreCase(system.getSystemType())) {
// Unique Policy names field will not be set for VNX. vPool will have policy name, not the
// policy's nativeGuid
policyIdfromVPool =
NativeGUIDGenerator.generateAutoTierPolicyNativeGuid(
system.getNativeGuid(),
policyIdfromVPool,
NativeGUIDGenerator.getTieringPolicyKeyForSystem(system));
_log.debug("Policy Id generated: {}", policyIdfromVPool);
}
if (autoTierPolicyId.equalsIgnoreCase(policyIdfromVPool)) {
policyMatching = true;
}
}
} else if ((policyIdfromVPool == null) || (policyIdfromVPool.equalsIgnoreCase("none"))) {
// if policy is not set in both unmanaged volume and vPool. Note
// that the value in the vpool could be set to "none".
policyMatching = true;
}
// Default policy for VNX - match volume with default policy to vPool with no policy as well
if (!policyMatching
&& DiscoveredDataObject.Type.vnxblock.name().equalsIgnoreCase(system.getSystemType())) {
if (autoTierPolicyId != null
&& autoTierPolicyId.contains(VnxFastPolicy.DEFAULT_START_HIGH_THEN_AUTOTIER.name())
&& policyIdfromVPool == null) {
policyMatching = true;
}
}
// Default policy for HDS - match volume with default policy to vPool with no policy as well
if (!policyMatching
&& DiscoveredDataObject.Type.hds.name().equalsIgnoreCase(system.getSystemType())) {
if (autoTierPolicyId != null
&& autoTierPolicyId.contains(HitachiTieringPolicy.All.name())
&& policyIdfromVPool == null) {
policyMatching = true;
}
}
return policyMatching;
}
/**
* Filters supported vPools in UnManaged Volume based on Auto-Tiering Policy.
*
* @param unManagedVolume the UnManaged volume
* @param policyName the policy name associated with UnManaged volume
* @param system the system
* @param dbClient the db client
*/
public static void filterSupportedVpoolsBasedOnTieringPolicy(
UnManagedVolume unManagedVolume, String policyName, StorageSystem system, DbClient dbClient) {
StringSetMap unManagedVolumeInformation = unManagedVolume.getVolumeInformation();
StringSet supportedVpoolURIs =
unManagedVolumeInformation.get(SupportedVolumeInformation.SUPPORTED_VPOOL_LIST.toString());
List<String> vPoolsToRemove = new ArrayList<String>();
if (supportedVpoolURIs != null) {
Iterator<String> itr = supportedVpoolURIs.iterator();
while (itr.hasNext()) {
String uri = itr.next();
VirtualPool vPool = dbClient.queryObject(VirtualPool.class, URI.create(uri));
if (vPool != null && !vPool.getInactive()) {
// generate unmanaged volume's policyId
String autoTierPolicyId =
NativeGUIDGenerator.generateAutoTierPolicyNativeGuid(
system.getNativeGuid(),
policyName,
NativeGUIDGenerator.getTieringPolicyKeyForSystem(system));
if (!checkVPoolValidForUnManagedVolumeAutoTieringPolicy(
vPool, autoTierPolicyId, system)) {
String msg =
"Removing vPool %s from SUPPORTED_VPOOL_LIST in UnManagedVolume %s "
+ "since Auto-tiering Policy %s in UnManaged Volume does not match with vPool's (%s)";
_log.info(
String.format(
msg,
new Object[] {
uri, unManagedVolume.getId(), autoTierPolicyId, vPool.getAutoTierPolicyName()
}));
vPoolsToRemove.add(uri);
}
} else {
// remove Inactive vPool URI
vPoolsToRemove.add(uri);
}
}
}
for (String uri : vPoolsToRemove) { // UnManagedVolume object is persisted by caller
supportedVpoolURIs.remove(uri);
}
}