Initial support for multi kubernetes clusters for k8s nodes
Change-Id: I6ca132898f8e157e0583de38a637fdc135f21d6f
(cherry picked from commit e2a04cedde73618ef24575e70cb221e03854de1d)
diff --git a/apps/k8s-node/app/src/main/java/org/onosproject/k8snode/codec/K8sHostCodec.java b/apps/k8s-node/app/src/main/java/org/onosproject/k8snode/codec/K8sHostCodec.java
new file mode 100644
index 0000000..2edb66d
--- /dev/null
+++ b/apps/k8s-node/app/src/main/java/org/onosproject/k8snode/codec/K8sHostCodec.java
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2020-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.codec;
+
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.onlab.packet.IpAddress;
+import org.onosproject.codec.CodecContext;
+import org.onosproject.codec.JsonCodec;
+import org.onosproject.k8snode.api.DefaultK8sHost;
+import org.onosproject.k8snode.api.K8sHost;
+import org.onosproject.k8snode.api.K8sHostState;
+import org.slf4j.Logger;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import static org.onlab.util.Tools.nullIsIllegal;
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Kubernetes host codec used for serializing and de-serializing JSON string.
+ */
+public final class K8sHostCodec extends JsonCodec<K8sHost> {
+
+ private final Logger log = getLogger(getClass());
+
+ private static final String HOST_IP = "hostIp";
+ private static final String NODE_NAMES = "nodeNames";
+ private static final String STATE = "state";
+
+ private static final String MISSING_MESSAGE = " is required in K8sHost";
+
+ @Override
+ public ObjectNode encode(K8sHost entity, CodecContext context) {
+ checkNotNull(entity, "Kubernetes host cannot be null");
+
+ ObjectNode result = context.mapper().createObjectNode()
+ .put(HOST_IP, entity.hostIp().toString())
+ .put(STATE, entity.state().name());
+
+ ArrayNode nodes = context.mapper().createArrayNode();
+ entity.nodeNames().forEach(nodes::add);
+ result.set(NODE_NAMES, nodes);
+
+ return result;
+ }
+
+ @Override
+ public K8sHost decode(ObjectNode json, CodecContext context) {
+ if (json == null || !json.isObject()) {
+ return null;
+ }
+
+ IpAddress hostIp = IpAddress.valueOf(nullIsIllegal(json.get(HOST_IP).asText(),
+ HOST_IP + MISSING_MESSAGE));
+ ArrayNode nodeNamesJson = (ArrayNode) json.get(NODE_NAMES);
+ Set<String> nodeNames = new HashSet<>();
+ nodeNamesJson.forEach(n -> nodeNames.add(n.asText()));
+
+ return DefaultK8sHost.builder()
+ .hostIp(hostIp)
+ .state(K8sHostState.INIT)
+ .nodeNames(nodeNames)
+ .build();
+ }
+}