* ================================================================================
* Copyright (C) 2019 AT&T Intellectual Property. All rights
* reserved.
+ * Modifications Copyright (C) 2020 Huawei Technologies Co., Ltd.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
package org.onap.clamp.policy.operational;
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
+import com.google.gson.JsonSyntaxException;
import com.google.gson.annotations.Expose;
+import java.io.IOException;
import java.io.Serializable;
-
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
+import java.util.HashMap;
+import java.util.Map;
import javax.persistence.Column;
-import javax.persistence.Convert;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.Table;
-import org.hibernate.annotations.Type;
+import javax.persistence.Transient;
+import org.apache.commons.lang3.RandomStringUtils;
import org.hibernate.annotations.TypeDef;
import org.hibernate.annotations.TypeDefs;
+import org.onap.clamp.clds.tosca.update.ToscaConverterWithDictionarySupport;
+import org.onap.clamp.dao.model.jsontype.StringJsonUserType;
import org.onap.clamp.loop.Loop;
+import org.onap.clamp.loop.service.Service;
+import org.onap.clamp.loop.template.LoopElementModel;
+import org.onap.clamp.loop.template.PolicyModel;
import org.onap.clamp.policy.Policy;
-import org.onap.clamp.dao.model.jsontype.StringJsonUserType;
+import org.yaml.snakeyaml.DumperOptions;
+import org.yaml.snakeyaml.Yaml;
@Entity
@Table(name = "operational_policies")
-@TypeDefs({ @TypeDef(name = "json", typeClass = StringJsonUserType.class) })
-public class OperationalPolicy implements Serializable, Policy {
+@TypeDefs({@TypeDef(name = "json", typeClass = StringJsonUserType.class)})
+public class OperationalPolicy extends Policy implements Serializable {
/**
- *
+ * The serial version ID.
*/
private static final long serialVersionUID = 6117076450841538255L;
+ @Transient
+ private static final EELFLogger logger = EELFManager.getInstance().getLogger(OperationalPolicy.class);
+
@Id
@Expose
@Column(nullable = false, name = "name", unique = true)
private String name;
- @Expose
- @Type(type = "json")
- @Column(columnDefinition = "json", name = "configurations_json")
- private JsonObject configurationsJson;
-
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name = "loop_id", nullable = false)
private Loop loop;
+ /**
+ * Constructor for serialization.
+ */
public OperationalPolicy() {
- //Serialization
}
- public OperationalPolicy(String name, Loop loop, JsonObject configurationsJson) {
+ /**
+ * The constructor.
+ *
+ * @param name The name of the operational policy
+ * @param configurationsJson The operational policy property in the format of
+ * json
+ * @param jsonRepresentation The jsonObject defining the json schema
+ * @param policyModel The policy model associated if any, can be null
+ * @param loopElementModel The loop element from which this instance is supposed to be created
+ * @param pdpGroup The Pdp Group info
+ * @param pdpSubgroup The Pdp Subgroup info
+ */
+ public OperationalPolicy(String name, JsonObject configurationsJson,
+ JsonObject jsonRepresentation, PolicyModel policyModel,
+ LoopElementModel loopElementModel, String pdpGroup, String pdpSubgroup) {
this.name = name;
- this.loop = loop;
- this.configurationsJson = configurationsJson;
+ this.setPolicyModel(policyModel);
+ this.setConfigurationsJson(configurationsJson);
+ this.setPdpGroup(pdpGroup);
+ this.setPdpSubgroup(pdpSubgroup);
+ this.setLoopElementModel(loopElementModel);
+ this.setJsonRepresentation(jsonRepresentation);
+
}
- public String getName() {
- return name;
+ /**
+ * Create an operational policy from a loop element model.
+ *
+ * @param loop The parent loop
+ * @param service The loop service
+ * @param loopElementModel The loop element model
+ * @param toscaConverter The tosca converter that must be used to create the Json representation
+ * @throws IOException In case of issues with the legacy files (generated from resource files
+ */
+ public OperationalPolicy(Loop loop, Service service, LoopElementModel loopElementModel,
+ ToscaConverterWithDictionarySupport toscaConverter) throws IOException {
+ this(Policy.generatePolicyName("OPERATIONAL", service.getName(), service.getVersion(),
+ RandomStringUtils.randomAlphanumeric(3), RandomStringUtils.randomAlphanumeric(3)), new JsonObject(),
+ new JsonObject(), loopElementModel.getPolicyModels().first(), loopElementModel, null, null);
+ this.setLoop(loop);
+ this.setJsonRepresentation(generateJsonRepresentation(this, toscaConverter));
+ }
+
+ /**
+ * Create an operational policy from a policy model.
+ *
+ * @param loop The parent loop
+ * @param service The loop service
+ * @param policyModel The policy model
+ * @param toscaConverter The tosca converter that must be used to create the Json representation
+ * @throws IOException In case of issues with the legacy files (generated from resource files
+ */
+ public OperationalPolicy(Loop loop, Service service, PolicyModel policyModel,
+ ToscaConverterWithDictionarySupport toscaConverter) throws IOException {
+ this(Policy.generatePolicyName("OPERATIONAL", service.getName(), service.getVersion(),
+ RandomStringUtils.randomAlphanumeric(3), RandomStringUtils.randomAlphanumeric(3)), new JsonObject(),
+ new JsonObject(), policyModel, null, null, null);
+ this.setLoop(loop);
+ this.setJsonRepresentation(generateJsonRepresentation(this, toscaConverter));
+ }
+
+ /**
+ * This method can generate a Json representation (json schema) for an operational policy.
+ * This is mainly to support a legacy case and a generic case.
+ *
+ * @param operationalPolicy The operational policy
+ * @param toscaConverter The tosca converter
+ * @return The Json Object with Json schema
+ */
+ public static JsonObject generateJsonRepresentation(OperationalPolicy operationalPolicy,
+ ToscaConverterWithDictionarySupport toscaConverter)
+ throws IOException {
+ JsonObject jsonReturned = new JsonObject();
+ if (operationalPolicy.getPolicyModel() == null) {
+ return new JsonObject();
+ }
+ if (operationalPolicy.isLegacy()) {
+ // Op policy Legacy case
+ LegacyOperationalPolicy.preloadConfiguration(jsonReturned, operationalPolicy.loop);
+ jsonReturned = OperationalPolicyRepresentationBuilder
+ .generateOperationalPolicySchema(operationalPolicy.loop.getModelService());
+ }
+ else {
+ // Generic Case
+ jsonReturned = toscaConverter.convertToscaToJsonSchemaObject(
+ operationalPolicy.getPolicyModel().getPolicyModelTosca(),
+ operationalPolicy.getPolicyModel().getPolicyModelType());
+ }
+
+ return jsonReturned;
}
public void setLoop(Loop loopName) {
this.loop = loopName;
}
- public Loop getLoop(){
+ public Loop getLoop() {
return loop;
}
@Override
- public JsonObject getJsonRepresentation() {
- return configurationsJson;
- }
-
- public JsonObject getConfigurationsJson() {
- return configurationsJson;
+ public String getName() {
+ return name;
}
- public void setConfigurationsJson(JsonObject configurationsJson) {
- this.configurationsJson = configurationsJson;
+ /**
+ * name setter.
+ *
+ * @param name the name to set
+ */
+ @Override
+ public void setName(String name) {
+ this.name = name;
}
@Override
@Override
public boolean equals(Object obj) {
- if (this == obj)
+ if (this == obj) {
return true;
- if (obj == null)
+ }
+ if (obj == null) {
return false;
- if (getClass() != obj.getClass())
+ }
+ if (getClass() != obj.getClass()) {
return false;
+ }
OperationalPolicy other = (OperationalPolicy) obj;
if (name == null) {
- if (other.name != null)
+ if (other.name != null) {
return false;
- } else if (!name.equals(other.name))
+ }
+ }
+ else if (!name.equals(other.name)) {
return false;
+ }
return true;
}
+ public Boolean isLegacy() {
+ return (this.getPolicyModel() != null) && this.getPolicyModel().getPolicyModelType().contains("legacy");
+ }
+
+ /**
+ * Create policy Yaml from json defined here.
+ *
+ * @return A string containing Yaml
+ */
+ public String createPolicyPayloadYaml() {
+ JsonObject policyPayloadResult = new JsonObject();
+
+ policyPayloadResult.addProperty("tosca_definitions_version", "tosca_simple_yaml_1_0_0");
+
+ JsonObject topologyTemplateNode = new JsonObject();
+ policyPayloadResult.add("topology_template", topologyTemplateNode);
+
+ JsonArray policiesArray = new JsonArray();
+ topologyTemplateNode.add("policies", policiesArray);
+
+ JsonObject operationalPolicy = new JsonObject();
+ policiesArray.add(operationalPolicy);
+
+ JsonObject operationalPolicyDetails = new JsonObject();
+ operationalPolicy.add(this.name, operationalPolicyDetails);
+ operationalPolicyDetails.addProperty("type", "onap.policies.controlloop.Operational");
+ operationalPolicyDetails.addProperty("version", "1.0.0");
+
+ JsonObject metadata = new JsonObject();
+ operationalPolicyDetails.add("metadata", metadata);
+ metadata.addProperty("policy-id", this.name);
+
+ operationalPolicyDetails.add("properties", LegacyOperationalPolicy
+ .reworkActorAttributes(this.getConfigurationsJson().get("operational_policy").deepCopy()));
+
+ DumperOptions options = new DumperOptions();
+ options.setIndent(2);
+ options.setPrettyFlow(true);
+ options.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
+ Gson gson = new GsonBuilder().create();
+
+ return (new Yaml(options)).dump(gson.fromJson(gson.toJson(policyPayloadResult), Map.class));
+ }
+
+ @Override
+ public String createPolicyPayload() throws UnsupportedEncodingException {
+ if (isLegacy()) {
+ // Now using the legacy payload fo Dublin
+ JsonObject payload = new JsonObject();
+ payload.addProperty("policy-id", this.getName());
+ payload.addProperty("content",
+ URLEncoder.encode(
+ LegacyOperationalPolicy
+ .createPolicyPayloadYamlLegacy(
+ this.getConfigurationsJson().get("operational_policy")),
+ StandardCharsets.UTF_8.toString()));
+ String opPayload = new GsonBuilder().setPrettyPrinting().create().toJson(payload);
+ logger.info("Operational policy payload: " + opPayload);
+ return opPayload;
+ }
+ else {
+ return super.createPolicyPayload();
+ }
+ }
+
+ /**
+ * Return a map containing all Guard policies indexed by Guard policy Name.
+ *
+ * @return The Guards map
+ */
+ public Map<String, String> createGuardPolicyPayloads() {
+ Map<String, String> result = new HashMap<>();
+
+ if (this.getConfigurationsJson() != null) {
+ JsonElement guardsList = this.getConfigurationsJson().get("guard_policies");
+ if (guardsList != null) {
+ for (JsonElement guardElem : guardsList.getAsJsonArray()) {
+ result.put(guardElem.getAsJsonObject().get("policy-id").getAsString(),
+ new GsonBuilder().create().toJson(guardElem));
+ }
+ }
+ }
+ logger.info("Guard policy payload: " + result);
+ return result;
+ }
+
+ /**
+ * Regenerate the Operational Policy Json Representation.
+ */
+ public void updateJsonRepresentation() {
+ try {
+ this.setJsonRepresentation(
+ OperationalPolicyRepresentationBuilder.generateOperationalPolicySchema(loop.getModelService()));
+ } catch (JsonSyntaxException | IOException | NullPointerException e) {
+ logger.error("Unable to generate the operational policy Schema ... ", e);
+ this.setJsonRepresentation(new JsonObject());
+ }
+ }
}