package org.ovirt.engine.core.bll.scheduling.commands;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.inject.Inject;
import org.ovirt.engine.core.bll.CommandBase;
import org.ovirt.engine.core.bll.context.CommandContext;
import org.ovirt.engine.core.bll.scheduling.PolicyUnitImpl;
import org.ovirt.engine.core.bll.scheduling.SchedulingManager;
import org.ovirt.engine.core.bll.utils.PermissionSubject;
import org.ovirt.engine.core.common.VdcObjectType;
import org.ovirt.engine.core.common.errors.EngineMessage;
import org.ovirt.engine.core.common.scheduling.ClusterPolicy;
import org.ovirt.engine.core.common.scheduling.PolicyUnitType;
import org.ovirt.engine.core.common.scheduling.parameters.ClusterPolicyCRUDParameters;
import org.ovirt.engine.core.common.utils.Pair;
import org.ovirt.engine.core.common.utils.customprop.SimpleCustomPropertiesUtil;
import org.ovirt.engine.core.common.utils.customprop.ValidationError;
import org.ovirt.engine.core.compat.Guid;
public abstract class ClusterPolicyCRUDCommand extends CommandBase<ClusterPolicyCRUDParameters> {
private ClusterPolicy clusterPolicy;
@Inject
protected SchedulingManager schedulingManager;
public ClusterPolicyCRUDCommand(ClusterPolicyCRUDParameters parameters, CommandContext cmdContext) {
super(parameters, cmdContext);
setClusterPolicy(getParameters().getClusterPolicy());
addCustomValue("ClusterPolicy", getClusterPolicy().getName());
getParameters().setShouldBeLogged(true);
}
protected boolean checkAddEditValidations() {
List<ClusterPolicy> clusterPolicies = schedulingManager.getClusterPolicies();
if (getClusterPolicy() == null) {
return failValidation(EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_PARAMETERS_INVALID);
}
for (ClusterPolicy clusterPolicy : clusterPolicies) {
if (!clusterPolicy.getId().equals(getClusterPolicy().getId()) &&
clusterPolicy.getName().equals(getClusterPolicy().getName())) {
return failValidation(EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_NAME_INUSE);
}
}
Map<Guid, PolicyUnitImpl> map = schedulingManager.getPolicyUnitsMap();
Set<Guid> existingPolicyUnits = new HashSet<>();
// check filter policy units
if (getClusterPolicy().getFilters() != null) {
for (Guid filterId : getClusterPolicy().getFilters()) {
if(isPolicyUnitExists(filterId, existingPolicyUnits)) {
return failValidation(EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_DUPLICATE_POLICY_UNIT);
}
PolicyUnitImpl policyUnitImpl = map.get(filterId);
if (policyUnitImpl == null) {
return failValidation(EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_UNKNOWN_POLICY_UNIT);
}
if (policyUnitImpl.getPolicyUnit().getPolicyUnitType() != PolicyUnitType.FILTER) {
return failValidation(EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_FILTER_NOT_IMPLEMENTED);
}
}
}
// check filters positions (there could be only one filter attached to first (-1) and last (-1)
if (getClusterPolicy().getFilterPositionMap() != null) {
boolean hasFirst = false;
boolean hasLast = false;
for (Integer position : getClusterPolicy().getFilterPositionMap().values()) {
if (position == -1) {
if (!hasFirst) {
hasFirst = true;
} else {
return failValidation(EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_ONLY_ONE_FILTER_CAN_BE_FIRST);
}
} else if (position == 1) {
if (!hasLast) {
hasLast = true;
} else {
return failValidation(EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_ONLY_ONE_FILTER_CAN_BE_LAST);
}
}
}
}
// check function policy units
if (getClusterPolicy().getFunctions() != null) {
for (Pair<Guid, Integer> functionPair : getClusterPolicy().getFunctions()) {
if (isPolicyUnitExists(functionPair.getFirst(), existingPolicyUnits)) {
return failValidation(EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_DUPLICATE_POLICY_UNIT);
}
PolicyUnitImpl policyUnitImpl = map.get(functionPair.getFirst());
if (policyUnitImpl == null) {
return failValidation(EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_UNKNOWN_POLICY_UNIT);
}
if (policyUnitImpl.getPolicyUnit().getPolicyUnitType() != PolicyUnitType.WEIGHT) {
return failValidation(EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_FUNCTION_NOT_IMPLEMENTED);
}
if (functionPair.getSecond() < 0) {
return failValidation(EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_FUNCTION_FACTOR_NEGATIVE);
}
}
}
// check balance policy unit
if (getClusterPolicy().getBalance() != null) {
PolicyUnitImpl policyUnitImpl = map.get(getClusterPolicy().getBalance());
if (policyUnitImpl == null) {
return failValidation(EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_UNKNOWN_POLICY_UNIT);
}
if (policyUnitImpl.getPolicyUnit().getPolicyUnitType() != PolicyUnitType.LOAD_BALANCING) {
return failValidation(EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_BALANCE_NOT_IMPLEMENTED);
}
}
// check selector policy unit
if (getClusterPolicy().getSelector() != null) {
PolicyUnitImpl policyUnitImpl = map.get(getClusterPolicy().getSelector());
if (policyUnitImpl == null) {
return failValidation(EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_UNKNOWN_POLICY_UNIT);
}
if (policyUnitImpl.getPolicyUnit().getPolicyUnitType() != PolicyUnitType.SELECTOR) {
return failValidation(EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_SELECTOR_NOT_IMPLEMENTED);
}
}
List<ValidationError> validationErrors =
SimpleCustomPropertiesUtil.getInstance().validateProperties(schedulingManager
.getCustomPropertiesRegexMap(getClusterPolicy()),
getClusterPolicy().getParameterMap());
if (!validationErrors.isEmpty()) {
SimpleCustomPropertiesUtil.getInstance().handleCustomPropertiesError(validationErrors,
getReturnValue().getValidationMessages());
return false;
}
return true;
}
private boolean isPolicyUnitExists(Guid policyUnitId, Set<Guid> existingPolicyUnits) {
return !existingPolicyUnits.add(policyUnitId);
}
protected boolean checkRemoveEditValidations() {
Guid clusterPolicyId = getParameters().getClusterPolicyId();
if (clusterPolicyId == null) {
return failValidation(EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_PARAMETERS_INVALID);
}
ClusterPolicy clusterPolicy = schedulingManager.getClusterPolicy(clusterPolicyId);
if (clusterPolicy == null) {
return failValidation(EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_PARAMETERS_INVALID);
}
if (clusterPolicy.isLocked()) {
return failValidation(EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_PARAMETERS_INVALID);
}
return true;
}
public ClusterPolicy getClusterPolicy() {
return clusterPolicy;
}
public void setClusterPolicy(ClusterPolicy clusterPolicy) {
this.clusterPolicy = clusterPolicy;
}
@Override
public List<PermissionSubject> getPermissionCheckSubjects() {
return Collections.singletonList(new PermissionSubject(Guid.SYSTEM,
VdcObjectType.System,
getActionType().getActionGroup()));
}
}