+++ /dev/null
-/*-
- * ============LICENSE_START=======================================================
- * ONAP CLAMP
- * ================================================================================
- * 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.
- * 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.
- * ============LICENSE_END============================================
- * ===================================================================
- *
- */
-
-package org.onap.clamp.policy.operational;
-
-import com.google.gson.GsonBuilder;
-import com.google.gson.JsonElement;
-import com.google.gson.JsonObject;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.TreeMap;
-
-import org.apache.commons.lang3.math.NumberUtils;
-import org.onap.clamp.loop.Loop;
-import org.yaml.snakeyaml.DumperOptions;
-import org.yaml.snakeyaml.DumperOptions.ScalarStyle;
-import org.yaml.snakeyaml.Yaml;
-
-/**
- * This class contains the code required to support the sending of Legacy
- * operational payload to policy engine. This will probably disappear in El
- * Alto.
- */
-public class LegacyOperationalPolicy {
-
- private static final String ACTOR = "actor";
- private static final String RECIPE = "recipe";
- private static final String POLICIES = "policies";
- private static final String PAYLOAD = "payload";
-
- private LegacyOperationalPolicy() {
-
- }
-
- private static void translateStringValues(String jsonKey, String stringValue, JsonElement parentJsonElement) {
- if (stringValue.equalsIgnoreCase("true") || stringValue.equalsIgnoreCase("false")) {
- parentJsonElement.getAsJsonObject().addProperty(jsonKey, Boolean.valueOf(stringValue));
-
- } else if (NumberUtils.isParsable(stringValue)) {
- parentJsonElement.getAsJsonObject().addProperty(jsonKey, Long.parseLong(stringValue));
- }
- }
-
- private static JsonElement removeAllQuotes(JsonElement jsonElement) {
- if (jsonElement.isJsonArray()) {
- for (JsonElement element : jsonElement.getAsJsonArray()) {
- removeAllQuotes(element);
- }
- } else if (jsonElement.isJsonObject()) {
- for (Entry<String, JsonElement> entry : jsonElement.getAsJsonObject().entrySet()) {
- if (entry.getValue().isJsonPrimitive() && entry.getValue().getAsJsonPrimitive().isString()) {
- translateStringValues(entry.getKey(), entry.getValue().getAsString(), jsonElement);
- } else {
- removeAllQuotes(entry.getValue());
- }
- }
- }
- return jsonElement;
- }
-
- /**
- * This method rework the payload attribute (yaml) that is normally wrapped in a
- * string when coming from the UI.
- *
- * @param policyJson The operational policy json config
- * @return The same object reference but modified
- */
- public static JsonElement reworkPayloadAttributes(JsonElement policyJson) {
- for (JsonElement policy : policyJson.getAsJsonObject().get("policies").getAsJsonArray()) {
- JsonElement payloadElem = policy.getAsJsonObject().get("payload");
- String payloadString = payloadElem != null ? payloadElem.getAsString() : "";
- if (!payloadString.isEmpty()) {
- Map<String, String> testMap = new Yaml().load(payloadString);
- String json = new GsonBuilder().create().toJson(testMap);
- policy.getAsJsonObject().add("payload", new GsonBuilder().create().fromJson(json, JsonElement.class));
- }
- }
- return policyJson;
- }
-
- private static void replacePropertiesIfEmpty(JsonElement policy, String key, String valueIfEmpty) {
- JsonElement payloadElem = policy.getAsJsonObject().get(key);
- String payloadString = payloadElem != null ? payloadElem.getAsString() : "";
- if (payloadString.isEmpty()) {
- policy.getAsJsonObject().addProperty(key, valueIfEmpty);
- }
- }
-
- private static JsonElement fulfillPoliciesTreeField(JsonElement policyJson) {
- for (JsonElement policy : policyJson.getAsJsonObject().get("policies").getAsJsonArray()) {
- replacePropertiesIfEmpty(policy, "success", "final_success");
- replacePropertiesIfEmpty(policy, "failure", "final_failure");
- replacePropertiesIfEmpty(policy, "failure_timeout", "final_failure_timeout");
- replacePropertiesIfEmpty(policy, "failure_retries", "final_failure_retries");
- replacePropertiesIfEmpty(policy, "failure_exception", "final_failure_exception");
- replacePropertiesIfEmpty(policy, "failure_guard", "final_failure_guard");
- // Again special case for payload, should remove it if it's there but empty
- // otherwise policy crashes
- JsonElement payloadElem = policy.getAsJsonObject().get("payload");
- if (payloadElem != null && payloadElem.isJsonPrimitive() && payloadElem.getAsString().isEmpty()) {
- policy.getAsJsonObject().remove("payload");
- }
- }
- return policyJson;
- }
-
- private static Map<String, Object> createMap(JsonElement jsonElement) {
- Map<String, Object> mapResult = new TreeMap<>();
-
- if (jsonElement.isJsonObject()) {
- for (Entry<String, JsonElement> entry : jsonElement.getAsJsonObject().entrySet()) {
- if (entry.getValue().isJsonPrimitive() && entry.getValue().getAsJsonPrimitive().isString()) {
- mapResult.put(entry.getKey(), entry.getValue().getAsString());
- } else if (entry.getValue().isJsonPrimitive() && entry.getValue().getAsJsonPrimitive().isBoolean()) {
- mapResult.put(entry.getKey(), entry.getValue().getAsBoolean());
- } else if (entry.getValue().isJsonPrimitive() && entry.getValue().getAsJsonPrimitive().isNumber()) {
- // Only int ro long normally, we don't need float here
- mapResult.put(entry.getKey(), entry.getValue().getAsLong());
- } else if (entry.getValue().isJsonArray()) {
- List<Map<String, Object>> newArray = new ArrayList<>();
- mapResult.put(entry.getKey(), newArray);
- for (JsonElement element : entry.getValue().getAsJsonArray()) {
- newArray.add(createMap(element));
- }
- } else if (entry.getValue().isJsonObject()) {
- mapResult.put(entry.getKey(), createMap(entry.getValue()));
- }
- }
- }
- return mapResult;
- }
-
- /**
- * This method transforms the configuration json to a Yaml format.
- *
- * @param operationalPolicyJsonElement The operational policy json config
- * @return The Yaml as string
- */
- public static String createPolicyPayloadYamlLegacy(JsonElement operationalPolicyJsonElement) {
- DumperOptions options = new DumperOptions();
- options.setDefaultScalarStyle(ScalarStyle.PLAIN);
- options.setIndent(2);
- options.setPrettyFlow(true);
- // Policy can't support { } in the yaml
- options.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
- return (new Yaml(options)).dump(createMap(fulfillPoliciesTreeField(
- removeAllQuotes(reworkActorAttributes(operationalPolicyJsonElement.getAsJsonObject().deepCopy())))));
- }
-
- /**
- * This method load mandatory field in the operational policy configuration
- * JSON.
- *
- * @param configurationsJson The operational policy JSON
- * @param loop The parent loop object
- */
- public static void preloadConfiguration(JsonObject configurationsJson, Loop loop) {
- if (configurationsJson != null && configurationsJson.entrySet().isEmpty()) {
- JsonObject controlLoopName = new JsonObject();
- controlLoopName.addProperty("controlLoopName",
- loop != null ? loop.getName() : "Empty (NO loop loaded yet)");
- JsonObject controlLoop = new JsonObject();
- controlLoop.add("controlLoop", controlLoopName);
- configurationsJson.add("operational_policy", controlLoop);
- }
- }
-
- /**
- * This method rework on the actor/recipe and payload attribute.
- *
- * @param policyJson The operational policy json config
- * @return The same object reference but modified
- */
- public static JsonElement reworkActorAttributes(JsonElement policyJson) {
- for (JsonElement policy : policyJson.getAsJsonObject().get(POLICIES).getAsJsonArray()) {
- JsonObject actor = policy.getAsJsonObject().get(ACTOR).getAsJsonObject();
- policy.getAsJsonObject().remove(ACTOR);
- String actorStr = actor.getAsJsonObject().get(ACTOR).getAsString();
- policy.getAsJsonObject().addProperty(ACTOR, actorStr);
-
- if ("CDS".equalsIgnoreCase(actorStr)) {
- policy.getAsJsonObject().addProperty(RECIPE, getRecipe(actor));
- addCdsPayloadAttributes(actor.getAsJsonObject(RECIPE), policy);
- } else {
- policy.getAsJsonObject().addProperty(RECIPE,
- actor.getAsJsonObject().get(RECIPE).getAsString());
- addPayloadAttributes(actor, policy);
- }
- }
- return policyJson;
- }
-
- private static void addPayloadAttributes(JsonObject jsonObject,
- JsonElement policy) {
- JsonElement payloadElem = jsonObject.getAsJsonObject().get(PAYLOAD);
- String payloadString = payloadElem != null ? payloadElem.getAsString() : "";
- if (!payloadString.isEmpty()) {
- Map<String, String> testMap = new Yaml().load(payloadString);
- String json = new GsonBuilder().create().toJson(testMap);
- policy.getAsJsonObject().add(PAYLOAD,
- new GsonBuilder().create().fromJson(json, JsonElement.class));
- } else {
- policy.getAsJsonObject().addProperty(PAYLOAD, "");
- }
- }
-
- private static void addCdsPayloadAttributes(JsonObject jsonObject,
- JsonElement policy) {
- JsonElement payloadElem = jsonObject.getAsJsonObject().get(PAYLOAD);
- JsonObject payloadObject = payloadElem != null ?
- payloadElem.getAsJsonObject() : null;
- if (payloadObject != null) {
- /* Since policy expects payload to be map of string,
- converting data object to string. */
- JsonObject dataObject = payloadObject.get("data").getAsJsonObject();
- payloadObject.remove("data");
- payloadObject.addProperty("data", dataObject.toString());
- policy.getAsJsonObject().add(PAYLOAD,
- payloadObject);
- } else {
- policy.getAsJsonObject().addProperty(PAYLOAD, "");
- }
- }
-
- private static String getRecipe(JsonObject actor) {
- return actor.getAsJsonObject().get("recipe").getAsJsonObject().get("recipe").getAsString();
- }
-}
Code Review / clamp.git / blobdiff