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-rw-r--r--main/src/main/java/org/onap/policy/pdpx/main/comm/XacmlPdpMessage.java3
-rw-r--r--main/src/main/java/org/onap/policy/pdpx/main/comm/XacmlPdpUpdatePublisher.java25
-rw-r--r--main/src/main/java/org/onap/policy/pdpx/main/rest/XacmlPdpApplicationManager.java60
3 files changed, 77 insertions, 11 deletions
diff --git a/main/src/main/java/org/onap/policy/pdpx/main/comm/XacmlPdpMessage.java b/main/src/main/java/org/onap/policy/pdpx/main/comm/XacmlPdpMessage.java
index 809e43d0..1253ff28 100644
--- a/main/src/main/java/org/onap/policy/pdpx/main/comm/XacmlPdpMessage.java
+++ b/main/src/main/java/org/onap/policy/pdpx/main/comm/XacmlPdpMessage.java
@@ -22,7 +22,6 @@
package org.onap.policy.pdpx.main.comm;
-import java.net.UnknownHostException;
import org.onap.policy.common.utils.network.NetworkUtil;
import org.onap.policy.models.pdp.concepts.PdpStateChange;
import org.onap.policy.models.pdp.concepts.PdpStatus;
@@ -111,7 +110,7 @@ public class XacmlPdpMessage {
status.setPdpGroup(message.getPdpGroup());
status.setPdpSubgroup(message.getPdpSubgroup());
status.setSupportedPolicyTypes(XacmlPdpApplicationManager.getToscaPolicyTypeIdents());
- status.setPolicies(XacmlPdpApplicationManager.getToscaPolicies());
+ status.setPolicies(XacmlPdpApplicationManager.getToscaPolicyIdentifiers());
return status;
}
diff --git a/main/src/main/java/org/onap/policy/pdpx/main/comm/XacmlPdpUpdatePublisher.java b/main/src/main/java/org/onap/policy/pdpx/main/comm/XacmlPdpUpdatePublisher.java
index 716421c7..4c9d0c21 100644
--- a/main/src/main/java/org/onap/policy/pdpx/main/comm/XacmlPdpUpdatePublisher.java
+++ b/main/src/main/java/org/onap/policy/pdpx/main/comm/XacmlPdpUpdatePublisher.java
@@ -20,6 +20,8 @@
package org.onap.policy.pdpx.main.comm;
+import java.util.HashSet;
+import java.util.Set;
import org.onap.policy.common.endpoints.event.comm.client.TopicSinkClient;
import org.onap.policy.models.pdp.concepts.PdpStatus;
import org.onap.policy.models.pdp.concepts.PdpUpdate;
@@ -45,9 +47,26 @@ public class XacmlPdpUpdatePublisher {
public static void handlePdpUpdate(PdpUpdate message, TopicSinkClient client) {
if (!message.getPolicies().isEmpty() || message.getPolicies() != null) {
- // Load the policies on PDP applications
- for (ToscaPolicy toscaPolicy : message.getPolicies()) {
- XacmlPdpApplicationManager.loadDeployedPolicy(toscaPolicy);
+
+ Set<ToscaPolicy> incomingPolicies =
+ new HashSet<>(message.getPolicies());
+ Set<ToscaPolicy> deployedPolicies =
+ new HashSet<>(XacmlPdpApplicationManager.getToscaPolicies().keySet());
+
+ // Undeploy a policy
+ // if incoming policies do not contain the deployed policy then remove it from PDP
+ for (ToscaPolicy policy : deployedPolicies) {
+ if (!incomingPolicies.contains(policy)) {
+ XacmlPdpApplicationManager.removeUndeployedPolicy(policy);
+ }
+ }
+
+ // Deploy a policy
+ // if deployed policies do not contain the incoming policy load it
+ for (ToscaPolicy policy : incomingPolicies) {
+ if (!deployedPolicies.contains(policy)) {
+ XacmlPdpApplicationManager.loadDeployedPolicy(policy);
+ }
}
}
diff --git a/main/src/main/java/org/onap/policy/pdpx/main/rest/XacmlPdpApplicationManager.java b/main/src/main/java/org/onap/policy/pdpx/main/rest/XacmlPdpApplicationManager.java
index 09805593..785d7591 100644
--- a/main/src/main/java/org/onap/policy/pdpx/main/rest/XacmlPdpApplicationManager.java
+++ b/main/src/main/java/org/onap/policy/pdpx/main/rest/XacmlPdpApplicationManager.java
@@ -29,6 +29,7 @@ import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.ServiceLoader;
+import java.util.stream.Collectors;
import org.onap.policy.models.decisions.concepts.DecisionRequest;
import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyIdentifier;
@@ -45,7 +46,10 @@ public class XacmlPdpApplicationManager {
private static ServiceLoader<XacmlApplicationServiceProvider> applicationLoader;
private static Map<String, XacmlApplicationServiceProvider> providerActionMap = new HashMap<>();
private static List<ToscaPolicyTypeIdentifier> toscaPolicyTypeIdents = new ArrayList<>();
- private static List<ToscaPolicyIdentifier> toscaPolicies = new ArrayList<>();
+ private static List<ToscaPolicyIdentifier> toscaPolicyIdents = new ArrayList<>();
+ private static List<ToscaPolicy> toscaPolicies = new ArrayList<>();
+ private static Map<ToscaPolicy, XacmlApplicationServiceProvider> mapLoadedPolicies = new HashMap<>();
+
private XacmlPdpApplicationManager() {
super();
@@ -115,11 +119,55 @@ public class XacmlPdpApplicationManager {
return providerActionMap.get(request.getAction());
}
+ /**
+ * getToscaPolicies.
+ *
+ * @return the map containing ToscaPolicies
+ */
+ public static Map<ToscaPolicy, XacmlApplicationServiceProvider> getToscaPolicies() {
+ return mapLoadedPolicies;
+ }
+
+ /**
+ * getToscaPolicyIdentifiers.
+ *
+ * @return list of ToscaPolicyIdentifier
+ */
+ public static List<ToscaPolicyIdentifier> getToscaPolicyIdentifiers() {
+ //
+ // converting map to return List of ToscaPolicyIdentiers
+ //
+ return mapLoadedPolicies.keySet().stream().map(ToscaPolicy::getIdentifier).collect(Collectors.toList());
+ }
+
public static List<ToscaPolicyTypeIdentifier> getToscaPolicyTypeIdents() {
return toscaPolicyTypeIdents;
}
/**
+ * Finds the appropriate application and removes the policy.
+ *
+ * @param policy Incoming policy
+ */
+ public static void removeUndeployedPolicy(ToscaPolicy policy) {
+
+ for (XacmlApplicationServiceProvider application : applicationLoader) {
+ try {
+ if (application.unloadPolicy(policy)) {
+ LOGGER.info("Unloaded ToscaPolicy {} from application {}", policy.getMetadata(),
+ application.applicationName());
+ if (mapLoadedPolicies.remove(policy) == null) {
+ LOGGER.error("Failed to remove unloaded policy {} from map size {}", policy.getMetadata(),
+ mapLoadedPolicies.size());
+ }
+ }
+ } catch (XacmlApplicationException e) {
+ LOGGER.error("Failed to undeploy the Tosca Policy", e);
+ }
+ }
+ }
+
+ /**
* Finds the appropriate application and loads the policy.
*
* @param policy Incoming policy
@@ -134,7 +182,11 @@ public class XacmlPdpApplicationManager {
// just use the first one found.
//
if (application.canSupportPolicyType(policy.getTypeIdentifier())) {
- application.loadPolicy(policy);
+ if (application.loadPolicy(policy)) {
+ LOGGER.info("Loaded ToscaPolicy {} into application {}", policy.getMetadata(),
+ application.applicationName());
+ mapLoadedPolicies.put(policy, application);
+ }
return;
}
} catch (XacmlApplicationException e) {
@@ -143,10 +195,6 @@ public class XacmlPdpApplicationManager {
}
}
- public static List<ToscaPolicyIdentifier> getToscaPolicies() {
- return toscaPolicies;
- }
-
/**
* Returns the current count of policy types supported. This could be misleading a bit
* as some applications can support wildcard of policy types. Eg. onap.Monitoring.* as