Import k8s client deps, support inject k8s API server config
Change-Id: Iaf246a06462b8a878e93ef3f98da399c3600b129
diff --git a/apps/k8s-node/app/src/main/java/org/onosproject/k8snode/impl/K8sApiConfigManager.java b/apps/k8s-node/app/src/main/java/org/onosproject/k8snode/impl/K8sApiConfigManager.java
new file mode 100644
index 0000000..c7a5414
--- /dev/null
+++ b/apps/k8s-node/app/src/main/java/org/onosproject/k8snode/impl/K8sApiConfigManager.java
@@ -0,0 +1,167 @@
+/*
+ * Copyright 2019-present Open Networking Foundation
+ *
+ * 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.
+ */
+package org.onosproject.k8snode.impl;
+
+import com.google.common.base.Strings;
+import org.onlab.packet.IpAddress;
+import org.onosproject.cluster.ClusterService;
+import org.onosproject.cluster.LeadershipService;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreService;
+import org.onosproject.event.ListenerRegistry;
+import org.onosproject.k8snode.api.K8sApiConfig;
+import org.onosproject.k8snode.api.K8sApiConfig.Scheme;
+import org.onosproject.k8snode.api.K8sApiConfigAdminService;
+import org.onosproject.k8snode.api.K8sApiConfigEvent;
+import org.onosproject.k8snode.api.K8sApiConfigListener;
+import org.onosproject.k8snode.api.K8sApiConfigService;
+import org.onosproject.k8snode.api.K8sApiConfigStore;
+import org.onosproject.k8snode.api.K8sApiConfigStoreDelegate;
+import org.onosproject.store.service.StorageService;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
+import org.osgi.service.component.annotations.Reference;
+import org.osgi.service.component.annotations.ReferenceCardinality;
+import org.slf4j.Logger;
+
+import java.util.Set;
+import java.util.concurrent.ExecutorService;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
+import static java.util.concurrent.Executors.newSingleThreadExecutor;
+import static org.onlab.util.Tools.groupedThreads;
+import static org.onosproject.k8snode.util.K8sNodeUtil.endpoint;
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Service administering the inventory of kubernetes API configs.
+ */
+@Component(
+ immediate = true,
+ service = { K8sApiConfigService.class, K8sApiConfigAdminService.class }
+)
+public class K8sApiConfigManager
+ extends ListenerRegistry<K8sApiConfigEvent, K8sApiConfigListener>
+ implements K8sApiConfigService, K8sApiConfigAdminService {
+
+ private final Logger log = getLogger(getClass());
+
+ private static final String MSG_CONFIG = "Kubernetes API config %s %s";
+ private static final String MSG_CREATED = "created";
+ private static final String MSG_UPDATED = "updated";
+ private static final String MSG_REMOVED = "removed";
+
+ private static final String ERR_NULL_CONFIG = "Kubernetes API config cannot be null";
+ private static final String ERR_NULL_ENDPOINT = "Kubernetes API endpoint cannot be null";
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY)
+ protected K8sApiConfigStore configStore;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY)
+ protected CoreService coreService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY)
+ protected ClusterService clusterService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY)
+ protected LeadershipService leadershipService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY)
+ protected StorageService storageService;
+
+ private final ExecutorService eventExecutor = newSingleThreadExecutor(
+ groupedThreads(this.getClass().getSimpleName(), "event-handler", log));
+
+ private final K8sApiConfigStoreDelegate delegate = new InternalApiConfigStoreDelegate();
+
+ private ApplicationId appId;
+
+ @Activate
+ protected void activate() {
+ appId = coreService.registerApplication(APP_ID);
+ configStore.setDelegate(delegate);
+
+ leadershipService.runForLeadership(appId.name());
+
+ log.info("Started");
+ }
+
+ @Deactivate
+ protected void deactivate() {
+ configStore.unsetDelegate(delegate);
+
+ leadershipService.withdraw(appId.name());
+ eventExecutor.shutdown();
+
+ log.info("Stopped");
+ }
+
+ @Override
+ public void createApiConfig(K8sApiConfig config) {
+ checkNotNull(config, ERR_NULL_CONFIG);
+ configStore.createApiConfig(config);
+ log.info(String.format(MSG_CONFIG, endpoint(config), MSG_CREATED));
+ }
+
+ @Override
+ public void updateApiConfig(K8sApiConfig config) {
+ checkNotNull(config, ERR_NULL_CONFIG);
+ configStore.updateApiConfig(config);
+ log.info(String.format(MSG_CONFIG, endpoint(config), MSG_UPDATED));
+ }
+
+ @Override
+ public K8sApiConfig removeApiConfig(String endpoint) {
+ checkArgument(!Strings.isNullOrEmpty(endpoint), ERR_NULL_ENDPOINT);
+ K8sApiConfig config = configStore.removeApiConfig(endpoint);
+ log.info(String.format(MSG_CONFIG, endpoint, MSG_REMOVED));
+ return config;
+ }
+
+ @Override
+ public K8sApiConfig removeApiConfig(Scheme scheme,
+ IpAddress ipAddress, int port) {
+ return removeApiConfig(endpoint(scheme, ipAddress, port));
+ }
+
+ @Override
+ public Set<K8sApiConfig> apiConfigs() {
+ return configStore.apiConfigs();
+ }
+
+ @Override
+ public K8sApiConfig apiConfig(String endpoint) {
+ return configStore.apiConfig(endpoint);
+ }
+
+ @Override
+ public K8sApiConfig apiConfig(Scheme scheme, IpAddress ipAddress, int port) {
+ return apiConfig(endpoint(scheme, ipAddress, port));
+ }
+
+ private class InternalApiConfigStoreDelegate implements K8sApiConfigStoreDelegate {
+
+ @Override
+ public void notify(K8sApiConfigEvent event) {
+ if (event != null) {
+ log.trace("send kubernetes API config event {}", event);
+ process(event);
+ }
+ }
+ }
+}