Support tenant overlay network mode at kubevirt networking
Change-Id: Ife40e40e3ee5e342ac8b90ddea6eb81744ace18a
diff --git a/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/web/KubevirtManagementWebResource.java b/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/web/KubevirtManagementWebResource.java
new file mode 100644
index 0000000..a1587a5
--- /dev/null
+++ b/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/web/KubevirtManagementWebResource.java
@@ -0,0 +1,98 @@
+/*
+ * Copyright 2021-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.kubevirtnetworking.web;
+
+import org.onosproject.kubevirtnode.api.KubevirtNode;
+import org.onosproject.kubevirtnode.api.KubevirtNodeAdminService;
+import org.onosproject.rest.AbstractWebResource;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+
+import static java.lang.Thread.sleep;
+import static org.onosproject.kubevirtnode.api.KubevirtNode.Type.WORKER;
+import static org.onosproject.kubevirtnode.api.KubevirtNodeState.COMPLETE;
+import static org.onosproject.kubevirtnode.api.KubevirtNodeState.INIT;
+
+/**
+ * REST interface for synchronizing kubevirt network states and rules.
+ */
+@Path("management")
+public class KubevirtManagementWebResource extends AbstractWebResource {
+ private final Logger log = LoggerFactory.getLogger(getClass());
+
+ private static final long SLEEP_MS = 5000; // we wait 5s for init each node
+ private static final long TIMEOUT_MS = 10000; // we wait 10s
+
+ private final KubevirtNodeAdminService nodeAdminService =
+ get(KubevirtNodeAdminService.class);
+
+ /**
+ * Synchronizes the flow rules.
+ *
+ * @return 200 OK with sync result, 404 not found
+ */
+ @GET
+ @Produces(MediaType.APPLICATION_JSON)
+ @Path("sync/rules")
+ public Response syncRules() {
+
+ nodeAdminService.completeNodes(WORKER).forEach(this::syncRulesBase);
+ return ok(mapper().createObjectNode()).build();
+ }
+
+ private void syncRulesBase(KubevirtNode node) {
+ KubevirtNode updated = node.updateState(INIT);
+ nodeAdminService.updateNode(updated);
+
+ boolean result = true;
+ long timeoutExpiredMs = System.currentTimeMillis() + TIMEOUT_MS;
+
+ while (nodeAdminService.node(node.hostname()).state() != COMPLETE) {
+
+ long waitMs = timeoutExpiredMs - System.currentTimeMillis();
+
+ try {
+ sleep(SLEEP_MS);
+ } catch (InterruptedException e) {
+ log.error("Exception caused during node synchronization...");
+ }
+
+ if (nodeAdminService.node(node.hostname()).state() == COMPLETE) {
+ break;
+ } else {
+ nodeAdminService.updateNode(updated);
+ log.info("Failed to synchronize flow rules, retrying...");
+ }
+
+ if (waitMs <= 0) {
+ result = false;
+ break;
+ }
+ }
+
+ if (result) {
+ log.info("Successfully synchronize flow rules for node {}!", node.hostname());
+ } else {
+ log.warn("Failed to synchronize flow rules for node {}.", node.hostname());
+ }
+ }
+}