import com.google.gson.GsonBuilder;
import com.google.gson.JsonArray;
import com.google.gson.JsonObject;
-
import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.LinkedList;
import java.util.List;
-
+import java.util.Map;
+import java.util.Map.Entry;
import javax.persistence.Transient;
-
import org.apache.camel.Exchange;
import org.onap.clamp.loop.Loop;
import org.onap.clamp.policy.microservice.MicroServicePolicy;
@Transient
private static final EELFLogger logger = EELFManager.getInstance().getLogger(PolicyComponent.class);
+ public static final ExternalComponentState IN_ERROR = new ExternalComponentState("IN_ERROR",
+ "There was an error during the sending to policy, the policy engine may be corrupted or inconsistent", 100);
public static final ExternalComponentState NOT_SENT = new ExternalComponentState("NOT_SENT",
- "The policies defined have NOT yet been created on the policy engine");
+ "The policies defined have NOT yet been created on the policy engine", 90);
public static final ExternalComponentState SENT = new ExternalComponentState("SENT",
- "The policies defined have been created but NOT deployed on the policy engine");
+ "The policies defined have been created but NOT deployed on the policy engine", 50);
public static final ExternalComponentState SENT_AND_DEPLOYED = new ExternalComponentState("SENT_AND_DEPLOYED",
- "The policies defined have been created and deployed on the policy engine");
- public static final ExternalComponentState IN_ERROR = new ExternalComponentState("IN_ERROR",
- "There was an error during the sending to policy, the policy engine may be corrupted or inconsistent");
+ "The policies defined have been created and deployed on the policy engine", 10);
+ public static final ExternalComponentState UNKNOWN = new ExternalComponentState("UNKNOWN",
+ "The current status is not clear. Need to refresh the status to get the current status.", 0);
+ /**
+ * Default constructor.
+ */
public PolicyComponent() {
- super(NOT_SENT);
+ /*
+ * We assume it's good by default as we will receive the state for each policy
+ * on by one, each time we increase the level we can't decrease it anymore.
+ * That's why it starts with the lowest one SENT_AND_DEPLOYED.
+ */
+ super(UNKNOWN);
}
@Override
* @return The json, payload to send
*/
public static String createPoliciesPayloadPdpGroup(Loop loop) {
- JsonObject jsonObject = new JsonObject();
- JsonArray jsonArray = new JsonArray();
- jsonObject.add("policies", jsonArray);
+ Map<String, Map<String, List<JsonObject>>> pdpGroupMap = new HashMap<>();
+ for (OperationalPolicy opPolicy : loop.getOperationalPolicies()) {
+ updatePdpGroupMap(opPolicy.getPdpGroup(), opPolicy.getPdpSubgroup(),
+ opPolicy.getName(),
+ opPolicy.getPolicyModel().getVersion(), pdpGroupMap);
+ }
- for (String policyName : PolicyComponent.listPolicyNamesPdpGroup(loop)) {
- JsonObject policyNode = new JsonObject();
- jsonArray.add(policyNode);
- policyNode.addProperty("policy-id", policyName);
+ for (MicroServicePolicy msPolicy : loop.getMicroServicePolicies()) {
+ updatePdpGroupMap(msPolicy.getPdpGroup(), msPolicy.getPdpSubgroup(),
+ msPolicy.getName(),
+ msPolicy.getPolicyModel().getVersion(), pdpGroupMap);
}
- String payload = new GsonBuilder().setPrettyPrinting().create().toJson(jsonObject);
+
+ String payload = new GsonBuilder().setPrettyPrinting().create()
+ .toJson(generateActivatePdpGroupPayload(pdpGroupMap));
logger.info("PdpGroup policy payload: " + payload);
- return new GsonBuilder().setPrettyPrinting().create().toJson(jsonObject);
+ return payload;
+ }
+
+ private static void updatePdpGroupMap(String pdpGroup,
+ String pdpSubGroup,
+ String policyName,
+ String policyModelVersion,
+ Map<String, Map<String,
+ List<JsonObject>>> pdpGroupMap) {
+ JsonObject policyJson = new JsonObject();
+ policyJson.addProperty("name", policyName);
+ policyJson.addProperty("version", policyModelVersion);
+ Map<String, List<JsonObject>> pdpSubGroupMap;
+ List<JsonObject> policyList;
+ if (pdpGroupMap.get(pdpGroup) == null) {
+ pdpSubGroupMap = new HashMap<>();
+ policyList = new LinkedList<>();
+ }
+ else {
+ pdpSubGroupMap = pdpGroupMap.get(pdpGroup);
+ if (pdpSubGroupMap.get(pdpSubGroup) == null) {
+ policyList = new LinkedList<>();
+ }
+ else {
+ policyList = (List<JsonObject>) pdpSubGroupMap.get(pdpSubGroup);
+ }
+ }
+ policyList.add(policyJson);
+ pdpSubGroupMap.put(pdpSubGroup, policyList);
+ pdpGroupMap.put(pdpGroup, pdpSubGroupMap);
+ }
+
+ private static JsonObject generateActivatePdpGroupPayload(
+ Map<String, Map<String, List<JsonObject>>> pdpGroupMap) {
+ JsonArray payloadArray = new JsonArray();
+ for (Entry<String, Map<String, List<JsonObject>>> pdpGroupInfo : pdpGroupMap.entrySet()) {
+ JsonObject pdpGroupNode = new JsonObject();
+ JsonArray subPdpArray = new JsonArray();
+ pdpGroupNode.addProperty("name", pdpGroupInfo.getKey());
+ pdpGroupNode.add("deploymentSubgroups", subPdpArray);
+
+ for (Entry<String, List<JsonObject>> pdpSubGroupInfo : pdpGroupInfo.getValue().entrySet()) {
+ JsonObject pdpSubGroupNode = new JsonObject();
+ subPdpArray.add(pdpSubGroupNode);
+ pdpSubGroupNode.addProperty("pdpType", pdpSubGroupInfo.getKey());
+ pdpSubGroupNode.addProperty("action", "POST");
+
+ JsonArray policyArray = new JsonArray();
+ pdpSubGroupNode.add("policies", policyArray);
+
+ for (JsonObject policy : pdpSubGroupInfo.getValue()) {
+ policyArray.add(policy);
+ }
+ }
+ payloadArray.add(pdpGroupNode);
+ }
+ JsonObject jsonObject = new JsonObject();
+ jsonObject.add("groups", payloadArray);
+ return jsonObject;
}
/**
List<String> policyNamesList = new ArrayList<>();
for (OperationalPolicy opPolicy : loop.getOperationalPolicies()) {
policyNamesList.add(opPolicy.getName());
- for (String guardName : opPolicy.createGuardPolicyPayloads().keySet()) {
- policyNamesList.add(guardName);
- }
+ policyNamesList.addAll(opPolicy.createGuardPolicyPayloads().keySet());
}
for (MicroServicePolicy microServicePolicy : loop.getMicroServicePolicies()) {
policyNamesList.add(microServicePolicy.getName());
}
+ logger.info("Policies that will be removed from PDP: " + policyNamesList);
return policyNamesList;
}
+ private static ExternalComponentState findNewState(boolean found, boolean deployed) {
+
+ ExternalComponentState newState = NOT_SENT;
+ if (found && deployed) {
+ newState = SENT_AND_DEPLOYED;
+ }
+ else if (found) {
+ newState = SENT;
+ }
+ else if (deployed) {
+ newState = IN_ERROR;
+ }
+ return newState;
+ }
+
+ private static ExternalComponentState mergeStates(ExternalComponentState oldState,
+ ExternalComponentState newState) {
+ return (oldState.compareTo(newState) < 0) ? newState : oldState;
+ }
+
+ /**
+ * This is a method that expect the results of the queries getPolicy and
+ * getPolicyDeployed for a unique policy (op,guard, config, etc ...). It
+ * re-computes the global policy state for each policy results given. Therefore
+ * this method is called multiple times from the camel route and must be reset
+ * for a new global policy state retrieval. The state to compute the global
+ * policy state is stored in this class.
+ */
@Override
public ExternalComponentState computeState(Exchange camelExchange) {
- boolean oneNotFound = (boolean) camelExchange.getIn().getExchange().getProperty("atLeastOnePolicyNotFound");
- boolean oneNotDeployed = (boolean) camelExchange.getIn().getExchange()
- .getProperty("atLeastOnePolicyNotDeployed");
-
- if (oneNotFound && oneNotDeployed) {
- this.setState(NOT_SENT);
- } else if (!oneNotFound && oneNotDeployed) {
- this.setState(SENT);
- } else if (!oneNotFound && !oneNotDeployed) {
- this.setState(SENT_AND_DEPLOYED);
- } else {
- this.setState(IN_ERROR);
- }
+ this.setState(mergeStates(this.getState(),
+ findNewState((boolean) camelExchange.getIn().getExchange().getProperty("policyFound"),
+ (boolean) camelExchange.getIn().getExchange().getProperty("policyDeployed"))));
return this.getState();
}
}