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.config;
22 import java.lang.invoke.MethodHandles;
24 import java.util.concurrent.ConcurrentHashMap;
26 import org.oransc.ric.portal.dashboard.k8sapi.SimpleKubernetesClient;
27 import org.oransc.ric.portal.dashboard.model.RicInstance;
28 import org.oransc.ric.portal.dashboard.model.RicRegionList;
29 import org.slf4j.Logger;
30 import org.slf4j.LoggerFactory;
31 import org.springframework.web.util.DefaultUriBuilderFactory;
34 * Creates, caches and serves out instances of SimpleKubernetesClient for a
35 * given instance. That class seems to be thread safe.
37 public class SimpleKubernetesClientBuilder {
39 private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
40 private Map<String, SimpleKubernetesClient> cache = new ConcurrentHashMap<>();
42 private final String urlSuffix;
43 private final RicRegionList instanceConfig;
45 public SimpleKubernetesClientBuilder(final RicRegionList instanceConfig, final String urlSuffix) {
46 logger.debug("ctor: suffix {}", urlSuffix);
47 this.instanceConfig = instanceConfig;
48 this.urlSuffix = urlSuffix;
51 public SimpleKubernetesClient getSimpleKubernetesClient(String instanceKey) {
52 logger.debug("getSimpleKubernetesClient instance {}", instanceKey);
53 if (cache.containsKey(instanceKey))
54 return cache.get(instanceKey);
55 RicInstance instance = instanceConfig.getInstance(instanceKey);
56 String url = new DefaultUriBuilderFactory(instance.getCaasUrlPrefix().trim()).builder()
57 .path(this.urlSuffix.trim()).build().normalize().toString();
58 SimpleKubernetesClient client = new SimpleKubernetesClient(url);
59 cache.put(instanceKey, client);