--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.xacml.pdp.application.optimization;
+
+import com.att.research.xacml.api.Request;
+import com.att.research.xacml.api.Response;
+import com.att.research.xacml.util.XACMLPolicyWriter;
+import com.google.common.collect.Lists;
+
+import java.io.IOException;
+import java.nio.file.Path;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Properties;
+
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.PolicyType;
+
+import org.onap.policy.models.decisions.concepts.DecisionRequest;
+import org.onap.policy.models.decisions.concepts.DecisionResponse;
+import org.onap.policy.pdp.xacml.application.common.ToscaPolicyConversionException;
+import org.onap.policy.pdp.xacml.application.common.XacmlPolicyUtils;
+import org.onap.policy.pdp.xacml.application.common.std.StdMatchableTranslator;
+import org.onap.policy.pdp.xacml.application.common.std.StdXacmlApplicationServiceProvider;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class OptimizationPdpApplication extends StdXacmlApplicationServiceProvider {
+
+ private static final Logger LOGGER = LoggerFactory.getLogger(OptimizationPdpApplication.class);
+ private static final String STRING_VERSION100 = "1.0.0";
+
+ private StdMatchableTranslator translator = new StdMatchableTranslator();
+ private Map<String, String> supportedPolicyTypes = new HashMap<>();
+
+ /**
+ * Constructor.
+ */
+ public OptimizationPdpApplication() {
+ this.supportedPolicyTypes.put("onap.policies.optimization.AffinityPolicy", STRING_VERSION100);
+ this.supportedPolicyTypes.put("onap.policies.optimization.DistancePolicy", STRING_VERSION100);
+ this.supportedPolicyTypes.put("onap.policies.optimization.HpaPolicy", STRING_VERSION100);
+ this.supportedPolicyTypes.put("onap.policies.optimization.OptimizationPolicy", STRING_VERSION100);
+ this.supportedPolicyTypes.put("onap.policies.optimization.PciPolicy", STRING_VERSION100);
+ this.supportedPolicyTypes.put("onap.policies.optimization.QueryPolicy", STRING_VERSION100);
+ this.supportedPolicyTypes.put("onap.policies.optimization.SubscriberPolicy", STRING_VERSION100);
+ this.supportedPolicyTypes.put("onap.policies.optimization.Vim_fit", STRING_VERSION100);
+ this.supportedPolicyTypes.put("onap.policies.optimization.VnfPolicy", STRING_VERSION100);
+ }
+
+ @Override
+ public String applicationName() {
+ return "Optimization Application";
+ }
+
+ @Override
+ public List<String> actionDecisionsSupported() {
+ return Arrays.asList("optimize");
+ }
+
+ @Override
+ public synchronized List<String> supportedPolicyTypes() {
+ return Lists.newArrayList(supportedPolicyTypes.keySet());
+ }
+
+ @Override
+ public boolean canSupportPolicyType(String policyType, String policyTypeVersion) {
+ //
+ // For the time being, restrict this if the version isn't known.
+ // Could be too difficult to support changing of versions dynamically.
+ //
+ if (! this.supportedPolicyTypes.containsKey(policyType)) {
+ return false;
+ }
+ //
+ // Must match version exactly
+ //
+ return this.supportedPolicyTypes.get(policyType).equals(policyTypeVersion);
+ }
+
+ @Override
+ public synchronized void loadPolicies(Map<String, Object> toscaPolicies) {
+ try {
+ //
+ // Convert the policies first
+ //
+ List<PolicyType> listPolicies = translator.scanAndConvertPolicies(toscaPolicies);
+ if (listPolicies.isEmpty()) {
+ throw new ToscaPolicyConversionException("Converted 0 policies");
+ }
+ //
+ // Create a copy of the properties object
+ //
+ Properties newProperties = this.getProperties();
+ //
+ // Iterate through the policies
+ //
+ for (PolicyType newPolicy : listPolicies) {
+ //
+ // Construct the filename
+ //
+ Path refPath = XacmlPolicyUtils.constructUniquePolicyFilename(newPolicy, this.getDataPath());
+ //
+ // Write the policy to disk
+ // Maybe check for an error
+ //
+ XACMLPolicyWriter.writePolicyFile(refPath, newPolicy);
+ //
+ // Add root policy to properties object
+ //
+ XacmlPolicyUtils.addRootPolicy(newProperties, refPath);
+ }
+ //
+ // Write the properties to disk
+ //
+ XacmlPolicyUtils.storeXacmlProperties(newProperties,
+ XacmlPolicyUtils.getPropertiesPath(this.getDataPath()));
+ //
+ // Reload the engine
+ //
+ this.createEngine(newProperties);
+ } catch (IOException | ToscaPolicyConversionException e) {
+ LOGGER.error("Failed to loadPolicies {}", e);
+ }
+ }
+
+ @Override
+ public synchronized DecisionResponse makeDecision(DecisionRequest request) {
+ //
+ // Convert to a XacmlRequest
+ //
+ Request xacmlRequest = translator.convertRequest(request);
+ //
+ // Now get a decision
+ //
+ Response xacmlResponse = this.xacmlDecision(xacmlRequest);
+ //
+ // Convert to a DecisionResponse
+ //
+ return translator.convertResponse(xacmlResponse);
+ }
+
+}
Code Review / policy / xacml-pdp.git / blobdiff