Reorganize dashboard into subfolders

[portal/ric-dashboard.git] / dashboard / webapp-backend / src / main / java / org / oransc / ric / portal / dashboard / k8sapi / SimpleKubernetesClient.java

diff --git a/dashboard/webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/k8sapi/SimpleKubernetesClient.java b/dashboard/webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/k8sapi/SimpleKubernetesClient.java
new file mode 100644 (file)
index 0000000..bcfae62
--- /dev/null
+++ b/dashboard/webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/k8sapi/SimpleKubernetesClient.java
@@ -0,0 +1,56 @@
+/*-
+ * ========================LICENSE_START=================================
+ * O-RAN-SC
+ * %%
+ * Copyright (C) 2019 AT&T Intellectual Property
+ * %%
+ * 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.oransc.ric.portal.dashboard.k8sapi;
+
+import java.lang.invoke.MethodHandles;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.client.RestTemplate;
+import org.springframework.web.util.DefaultUriBuilderFactory;
+
+/**
+ * Provides a method to get a list of pods using RestTemplate. As currently
+ * configured this uses the default JVM HTTPS support which can be configured to
+ * ignore errors as a workaround for self-signed SSL certificates.
+ */
+public class SimpleKubernetesClient {
+
+       private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
+
+       private final String k8sUrl;
+
+       public SimpleKubernetesClient(String baseUrl) {
+               logger.debug("ctor: baseUrl {}", baseUrl);
+               k8sUrl = baseUrl;
+       }
+
+       public String listPods(String namespace) {
+               logger.debug("listPods for namespace {}", namespace);
+               String podsUrl = new DefaultUriBuilderFactory(k8sUrl.trim()).builder().pathSegment("v1")
+                               .pathSegment("namespaces").pathSegment(namespace.trim()).pathSegment("pods").build().normalize()
+                               .toString();
+               RestTemplate rt = new RestTemplate();
+               ResponseEntity<String> podsResponse = rt.getForEntity(podsUrl, String.class);
+               return podsResponse.getBody();
+       }
+
+}