X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=dashboard%2Fwebapp-backend%2Fsrc%2Fmain%2Fjava%2Forg%2Foransc%2Fric%2Fportal%2Fdashboard%2Fconfig%2FSimpleKubernetesClientBuilder.java;fp=dashboard%2Fwebapp-backend%2Fsrc%2Fmain%2Fjava%2Forg%2Foransc%2Fric%2Fportal%2Fdashboard%2Fconfig%2FSimpleKubernetesClientBuilder.java;h=84392c765d225cd5afbd2d901c4969321503d772;hb=64a5e9470799236f0af4ce2df98f77c94eb1bed3;hp=0000000000000000000000000000000000000000;hpb=a0180adc6a1e1ec09472549596428b70d48db3fc;p=portal%2Fric-dashboard.git

diff --git a/dashboard/webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/config/SimpleKubernetesClientBuilder.java b/dashboard/webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/config/SimpleKubernetesClientBuilder.java
new file mode 100644
index 00000000..84392c76
--- /dev/null
+++ b/dashboard/webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/config/SimpleKubernetesClientBuilder.java
@@ -0,0 +1,63 @@
+/*-
+ * ========================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.config;
+
+import java.lang.invoke.MethodHandles;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.oransc.ric.portal.dashboard.k8sapi.SimpleKubernetesClient;
+import org.oransc.ric.portal.dashboard.model.RicInstance;
+import org.oransc.ric.portal.dashboard.model.RicRegionList;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.web.util.DefaultUriBuilderFactory;
+
+/**
+ * Creates, caches and serves out instances of SimpleKubernetesClient for a
+ * given instance. That class seems to be thread safe.
+ */
+public class SimpleKubernetesClientBuilder {
+
+	private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
+	private Map<String, SimpleKubernetesClient> cache = new ConcurrentHashMap<>();
+
+	private final String urlSuffix;
+	private final RicRegionList instanceConfig;
+
+	public SimpleKubernetesClientBuilder(final RicRegionList instanceConfig, final String urlSuffix) {
+		logger.debug("ctor: suffix {}", urlSuffix);
+		this.instanceConfig = instanceConfig;
+		this.urlSuffix = urlSuffix;
+	}
+
+	public SimpleKubernetesClient getSimpleKubernetesClient(String instanceKey) {
+		logger.debug("getSimpleKubernetesClient instance {}", instanceKey);
+		if (cache.containsKey(instanceKey))
+			return cache.get(instanceKey);
+		RicInstance instance = instanceConfig.getInstance(instanceKey);
+		String url = new DefaultUriBuilderFactory(instance.getCaasUrlPrefix().trim()).builder()
+				.path(this.urlSuffix.trim()).build().normalize().toString();
+		SimpleKubernetesClient client = new SimpleKubernetesClient(url);
+		cache.put(instanceKey, client);
+		return client;
+	}
+
+}