2 * ========================LICENSE_START=================================
5 * Copyright (C) 2019 AT&T Intellectual Property
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ========================LICENSE_END===================================
20 package org.oransc.ric.portal.dashboard.policyagentapi;
22 import org.oransc.ric.portal.dashboard.DashboardConstants;
23 import org.oransc.ric.portal.dashboard.model.ImmutablePolicyInfo;
24 import org.oransc.ric.portal.dashboard.model.PolicyInfo;
25 import org.oransc.ric.portal.dashboard.model.PolicyInstances;
26 import org.oransc.ric.portal.dashboard.model.PolicyType;
27 import org.oransc.ric.portal.dashboard.model.PolicyTypes;
28 import org.springframework.beans.factory.annotation.Autowired;
29 import org.springframework.http.HttpStatus;
30 import org.springframework.http.ResponseEntity;
31 import org.springframework.stereotype.Component;
32 import org.springframework.web.client.RestClientException;
33 import org.springframework.web.client.RestTemplate;
35 import java.util.Collection;
36 import java.util.List;
38 import java.util.Vector;
39 import java.lang.invoke.MethodHandles;
40 import java.lang.reflect.Type;
42 import com.google.gson.GsonBuilder;
43 import com.google.gson.JsonArray;
44 import com.google.gson.JsonElement;
45 import com.google.gson.JsonObject;
46 import com.google.gson.JsonParser;
47 import com.google.gson.annotations.SerializedName;
48 import com.google.gson.reflect.TypeToken;
50 import org.slf4j.Logger;
51 import org.slf4j.LoggerFactory;
52 import org.immutables.gson.Gson;
53 import org.immutables.value.Value;
55 @Component("PolicyAgentApi")
56 public class PolicyAgentApiImpl implements PolicyAgentApi {
57 private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
59 RestTemplate restTemplate = new RestTemplate();
61 private static com.google.gson.Gson gson = new GsonBuilder() //
65 private final String urlPrefix;
68 public PolicyAgentApiImpl(
69 @org.springframework.beans.factory.annotation.Value("${policycontroller.url.prefix}") final String urlPrefix) {
70 logger.debug("ctor prefix '{}'", urlPrefix);
71 this.urlPrefix = urlPrefix;
74 private String baseUrl() {
80 interface PolicyTypeInfo {
84 public String schema();
88 public ResponseEntity<PolicyTypes> getAllPolicyTypes() throws RestClientException {
89 String url = baseUrl() + "/policy_schemas";
90 ResponseEntity<String> rsp = this.restTemplate.getForEntity(url, String.class);
91 if (!rsp.getStatusCode().is2xxSuccessful()) {
92 return new ResponseEntity<>(rsp.getStatusCode());
95 PolicyTypes result = new PolicyTypes();
96 JsonParser jsonParser = new JsonParser();
97 JsonArray schemas = jsonParser.parse(rsp.getBody()).getAsJsonArray();
98 for (JsonElement schema : schemas) {
99 JsonObject schemaObj = schema.getAsJsonObject();
100 String title = schemaObj.get("title").getAsString();
101 String schemaAsStr = schemaObj.toString();
102 PolicyType pt = new PolicyType(title, schemaAsStr);
105 return new ResponseEntity<>(result, rsp.getStatusCode());
109 public ResponseEntity<PolicyInstances> getPolicyInstancesForType(String type) {
110 String url = baseUrl() + "/policies?type={type}";
111 Map<String, ?> uriVariables = Map.of("type", type);
112 ResponseEntity<String> rsp = this.restTemplate.getForEntity(url, String.class, uriVariables);
113 if (!rsp.getStatusCode().is2xxSuccessful()) {
114 return new ResponseEntity<>(rsp.getStatusCode());
117 Type listType = new TypeToken<List<ImmutablePolicyInfo>>() {
119 List<PolicyInfo> rspParsed = gson.fromJson(rsp.getBody(), listType);
121 PolicyInstances result = new PolicyInstances();
122 for (PolicyInfo p : rspParsed) {
125 return new ResponseEntity<>(result, rsp.getStatusCode());
129 public ResponseEntity<String> getPolicyInstance(String id) throws RestClientException {
130 String url = baseUrl() + "/policy?instance={id}";
131 Map<String, ?> uriVariables = Map.of("id", id);
133 return this.restTemplate.getForEntity(url, String.class, uriVariables);
137 public ResponseEntity<String> putPolicy(String policyTypeIdString, String policyInstanceId, String json, String ric)
138 throws RestClientException {
139 String url = baseUrl() + "/policy?type={type}&instance={instance}&ric={ric}&service={service}";
140 Map<String, ?> uriVariables = Map.of( //
141 "type", policyTypeIdString, //
142 "instance", policyInstanceId, //
144 "service", "dashboard");
147 this.restTemplate.put(url, json, uriVariables);
148 return new ResponseEntity<>(HttpStatus.OK);
149 } catch (Exception e) {
150 return new ResponseEntity<>(e.getMessage(), HttpStatus.NOT_FOUND);
155 public void deletePolicy(String policyInstanceId) throws RestClientException {
156 String url = baseUrl() + "/policy?instance={instance}";
157 Map<String, ?> uriVariables = Map.of("instance", policyInstanceId);
158 this.restTemplate.delete(url, uriVariables);
164 public String name();
166 public Collection<String> nodeNames();
168 public Collection<String> policyTypes();
172 public ResponseEntity<Collection<String>> getRicsSupportingType(String typeName) {
173 String url = baseUrl() + "/rics?policyType={typeName}";
174 Map<String, ?> uriVariables = Map.of("typeName", typeName);
175 String rsp = this.restTemplate.getForObject(url, String.class, uriVariables);
177 Type listType = new TypeToken<List<ImmutableRicInfo>>() {
179 List<RicInfo> rspParsed = gson.fromJson(rsp, listType);
181 Collection<String> result = new Vector<>(rspParsed.size());
182 for (RicInfo ric : rspParsed) {
183 result.add(ric.name());
185 return new ResponseEntity<>(result, HttpStatus.OK);