package org.onap.policy.xacml.pdp.application.guard;
-import com.att.research.xacml.api.Request;
-import com.att.research.xacml.api.Response;
-import com.att.research.xacml.api.pdp.PDPEngine;
-import com.att.research.xacml.api.pdp.PDPException;
-import com.att.research.xacml.util.XACMLPolicyWriter;
-import com.google.common.collect.Lists;
-
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Arrays;
-import java.util.HashMap;
import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-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.ToscaPolicyConverter;
-import org.onap.policy.pdp.xacml.application.common.XacmlApplicationServiceProvider;
-import org.onap.policy.pdp.xacml.application.common.XacmlPolicyUtils;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyTypeIdentifier;
+import org.onap.policy.pdp.xacml.application.common.ToscaPolicyTranslator;
+import org.onap.policy.pdp.xacml.application.common.std.StdXacmlApplicationServiceProvider;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-import org.yaml.snakeyaml.Yaml;
/**
* This class implements the onap.policies.controlloop.Guard policy implementations.
* @author pameladragosh
*
*/
-public class GuardPdpApplication implements ToscaPolicyConverter, XacmlApplicationServiceProvider {
-
+public class GuardPdpApplication extends StdXacmlApplicationServiceProvider {
private static final Logger LOGGER = LoggerFactory.getLogger(GuardPdpApplication.class);
private static final String STRING_VERSION100 = "1.0.0";
- private Map<String, String> supportedPolicyTypes = new HashMap<>();
- private Path pathForData;
- private Properties pdpProperties = null;
- private PDPEngine pdpEngine = null;
+ private List<ToscaPolicyTypeIdentifier> supportedPolicyTypes = new ArrayList<>();
+ private LegacyGuardTranslator legacyTranslator = new LegacyGuardTranslator();
+ private CoordinationGuardTranslator coordinationTranslator = new CoordinationGuardTranslator();
- /** Constructor.
+
+ /**
+ * Constructor.
*
*/
public GuardPdpApplication() {
- this.supportedPolicyTypes.put("onap.policies.controlloop.guard.FrequencyLimiter", STRING_VERSION100);
- this.supportedPolicyTypes.put("onap.policies.controlloop.guard.MinMax", STRING_VERSION100);
+ this.supportedPolicyTypes.add(new ToscaPolicyTypeIdentifier(
+ "onap.policies.controlloop.guard.FrequencyLimiter",
+ STRING_VERSION100));
+ this.supportedPolicyTypes.add(new ToscaPolicyTypeIdentifier(
+ "onap.policies.controlloop.guard.MinMax",
+ STRING_VERSION100));
+ this.supportedPolicyTypes.add(new ToscaPolicyTypeIdentifier(
+ "onap.policies.controlloop.guard.Blacklist",
+ STRING_VERSION100));
+ this.supportedPolicyTypes.add(new ToscaPolicyTypeIdentifier(
+ "onap.policies.controlloop.guard.coordination.FirstBlocksSecond",
+ STRING_VERSION100));
}
@Override
public String applicationName() {
- return "Guard Application";
+ return "guard";
}
@Override
}
@Override
- public void initialize(Path pathForData) {
- //
- // Save our path
- //
- this.pathForData = pathForData;
- LOGGER.debug("New Path is {}", this.pathForData.toAbsolutePath());
- //
- // Look for and load the properties object
- //
- try {
- pdpProperties = XacmlPolicyUtils.loadXacmlProperties(XacmlPolicyUtils.getPropertiesPath(pathForData));
- LOGGER.debug("{}", pdpProperties);
- } catch (IOException e) {
- LOGGER.error("{}", e);
- }
- //
- // Create an engine
- //
- PDPEngine newEngine = XacmlPolicyUtils.createEngine(pdpProperties);
- if (newEngine != null) {
- pdpEngine = newEngine;
- }
+ public List<ToscaPolicyTypeIdentifier> supportedPolicyTypes() {
+ return supportedPolicyTypes;
}
@Override
- public List<String> supportedPolicyTypes() {
- return Lists.newArrayList(supportedPolicyTypes.keySet());
- }
-
- @Override
- public boolean canSupportPolicyType(String policyType, String policyTypeVersion) {
+ public boolean canSupportPolicyType(ToscaPolicyTypeIdentifier policyTypeId) {
//
// 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 void loadPolicies(Map<String, Object> toscaPolicies) {
- try {
- //
- // Convert the policies first
- //
- List<PolicyType> listPolicies = this.convertPolicies(toscaPolicies);
- if (listPolicies.isEmpty()) {
- throw new ToscaPolicyConversionException("Converted 0 policies");
+ for (ToscaPolicyTypeIdentifier supported : this.supportedPolicyTypes) {
+ if (policyTypeId.equals(supported)) {
+ return true;
}
- } catch (ToscaPolicyConversionException e) {
- LOGGER.error("Failed to loadPolicies {}", e);
}
+ return false;
}
@Override
- public DecisionResponse makeDecision(DecisionRequest request) {
- //
- // Convert to a XacmlRequest
- //
- Request xacmlRequest = this.convertRequest(request);
- //
- // Now get a decision
- //
- Response xacmlResponse = this.xacmlDecision(xacmlRequest);
- //
- // Convert to a DecisionResponse
- //
- return this.convertResponse(xacmlResponse);
- }
-
- @Override
- public List<PolicyType> convertPolicies(InputStream isToscaPolicy) throws ToscaPolicyConversionException {
- //
- // Have snakeyaml parse the object
- //
- Yaml yaml = new Yaml();
- Map<String, Object> toscaObject = yaml.load(isToscaPolicy);
- //
- // Return the policies
- //
- return scanAndConvertPolicies(toscaObject);
- }
-
- @Override
- public List<PolicyType> convertPolicies(Map<String, Object> toscaObject) throws ToscaPolicyConversionException {
- //
- // Return the policies
- //
- return scanAndConvertPolicies(toscaObject);
- }
-
- @Override
- public Request convertRequest(DecisionRequest request) {
- // TODO Auto-generated method stub
- return null;
- }
-
- @Override
- public DecisionResponse convertResponse(Response response) {
- // TODO Auto-generated method stub
- return null;
- }
-
- @SuppressWarnings("unchecked")
- private List<PolicyType> scanAndConvertPolicies(Map<String, Object> toscaObject)
- throws ToscaPolicyConversionException {
- //
- // Our return object
- //
- List<PolicyType> scannedPolicies = new ArrayList<>();
- //
- // Iterate each of the Policies
- //
- List<Object> policies = (List<Object>) toscaObject.get("policies");
- for (Object policyObject : policies) {
- //
- // Get the contents
- //
- LOGGER.debug("Found policy {}", policyObject.getClass());
- Map<String, Object> policyContents = (Map<String, Object>) policyObject;
- for (Entry<String, Object> entrySet : policyContents.entrySet()) {
- LOGGER.debug("Entry set {}", entrySet);
- //
- // Convert this policy
- //
- PolicyType policy = this.convertPolicy(entrySet);
- try (ByteArrayOutputStream os = new ByteArrayOutputStream()) {
- XACMLPolicyWriter.writePolicyFile(os, policy);
- LOGGER.debug("{}", os);
- } catch (IOException e) {
- LOGGER.error("Failed to convert {}", e);
- }
- //
- // Convert and add in the new policy
- //
- scannedPolicies.add(policy);
- }
- }
-
- return scannedPolicies;
- }
-
- private PolicyType convertPolicy(Entry<String, Object> entrySet) throws ToscaPolicyConversionException {
-
- return null;
- }
-
- /**
- * Make a decision call.
- *
- * @param request Incoming request object
- * @return Response object
- */
- private synchronized Response xacmlDecision(Request request) {
- //
- // This is what we need to return
- //
- Response response = null;
- //
- // Track some timing
- //
- long timeStart = System.currentTimeMillis();
- try {
- response = this.pdpEngine.decide(request);
- } catch (PDPException e) {
- LOGGER.error("Xacml PDP Engine failed {}", e);
- } finally {
- //
- // Track the end of timing
- //
- long timeEnd = System.currentTimeMillis();
- LOGGER.info("Elapsed Time: {}ms", (timeEnd - timeStart));
+ protected ToscaPolicyTranslator getTranslator(String type) {
+ LOGGER.debug("Policy type {}", type);
+ if ( type.contains("coordination") ) {
+ LOGGER.debug("returning coordinationTranslator");
+ return coordinationTranslator;
+ } else {
+ LOGGER.debug("returning legacyTranslator");
+ return legacyTranslator;
}
- return response;
}
}
Code Review / policy / xacml-pdp.git / blobdiff