Inject service FQDN into kubevirt node, let onos resolve service IP
Change-Id: I6f3f66ad97f8be461c464dad5d133f3477c40f5a
diff --git a/apps/kubevirt-node/app/src/main/java/org/onosproject/kubevirtnode/util/KubevirtNodeUtil.java b/apps/kubevirt-node/app/src/main/java/org/onosproject/kubevirtnode/util/KubevirtNodeUtil.java
index a4b0abb..839695f 100644
--- a/apps/kubevirt-node/app/src/main/java/org/onosproject/kubevirtnode/util/KubevirtNodeUtil.java
+++ b/apps/kubevirt-node/app/src/main/java/org/onosproject/kubevirtnode/util/KubevirtNodeUtil.java
@@ -44,8 +44,11 @@
import org.onosproject.ovsdb.controller.OvsdbNodeId;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
+import org.xbill.DNS.Address;
import java.io.IOException;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
import java.util.Dictionary;
import java.util.HashSet;
import java.util.List;
@@ -82,6 +85,7 @@
private static final String INTERFACE_KEY = "interface";
private static final int PORT_NAME_MAX_LENGTH = 15;
+ private static final int DNS_DEFAULT_PORT = 53;
/**
* Prevents object installation from external.
@@ -385,4 +389,20 @@
.gatewayBridgeName(gatewayBridgeName)
.build();
}
+
+ /**
+ * Resolve a DNS with the given DNS server and hostname.
+ *
+ * @param hostname hostname to be resolved
+ * @return resolved IP address
+ */
+ public static IpAddress resolveHostname(String hostname) {
+ try {
+ InetAddress addr = Address.getByName(hostname);
+ return IpAddress.valueOf(IpAddress.Version.INET, addr.getAddress());
+ } catch (UnknownHostException e) {
+ log.warn("Failed to resolve IP address of host {}", hostname);
+ }
+ return null;
+ }
}