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.k8sapi;
22 import java.lang.invoke.MethodHandles;
24 import org.slf4j.Logger;
25 import org.slf4j.LoggerFactory;
26 import org.springframework.http.ResponseEntity;
27 import org.springframework.web.client.RestTemplate;
28 import org.springframework.web.util.DefaultUriBuilderFactory;
31 * Provides a method to get a list of pods using RestTemplate. As currently
32 * configured this uses the default JVM HTTPS support which can be configured to
33 * ignore errors as a workaround for self-signed SSL certificates.
35 public class SimpleKubernetesClient {
37 private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
39 private final String k8sUrl;
41 public SimpleKubernetesClient(String baseUrl) {
42 logger.debug("ctor: baseUrl {}", baseUrl);
46 public String listPods(String namespace) {
47 logger.debug("listPods for namespace {}", namespace);
48 String podsUrl = new DefaultUriBuilderFactory(k8sUrl.trim()).builder().pathSegment("v1")
49 .pathSegment("namespaces").pathSegment(namespace.trim()).pathSegment("pods").build().normalize().toString();
50 RestTemplate rt = new RestTemplate();
51 ResponseEntity<String> podsResponse = rt.getForEntity(podsUrl, String.class);
52 return podsResponse.getBody();