2 * ========================LICENSE_START=================================
5 * Copyright (C) 2019 AT&T Intellectual Property
6 * Modifications Copyright (C) 2020 Nordix Foundation
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ========================LICENSE_END===================================
21 package org.oransc.portal.nonrtric.controlpanel.k8sapi;
23 import java.lang.invoke.MethodHandles;
25 import org.slf4j.Logger;
26 import org.slf4j.LoggerFactory;
27 import org.springframework.http.ResponseEntity;
28 import org.springframework.web.client.RestTemplate;
29 import org.springframework.web.util.DefaultUriBuilderFactory;
32 * Provides a method to get a list of pods using RestTemplate. As currently
33 * configured this uses the default JVM HTTPS support which can be configured to
34 * ignore errors as a workaround for self-signed SSL certificates.
36 public class SimpleKubernetesClient {
38 private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
40 private final String k8sUrl;
42 public SimpleKubernetesClient(String baseUrl) {
43 logger.debug("ctor: baseUrl {}", baseUrl);
47 public String listPods(String namespace) {
48 logger.debug("listPods for namespace {}", namespace);
49 String podsUrl = new DefaultUriBuilderFactory(k8sUrl.trim()).builder().pathSegment("v1")
50 .pathSegment("namespaces").pathSegment(namespace.trim()).pathSegment("pods").build().normalize().toString();
51 RestTemplate rt = new RestTemplate();
52 ResponseEntity<String> podsResponse = rt.getForEntity(podsUrl, String.class);
53 return podsResponse.getBody();