diff options
Diffstat (limited to 'framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/cluster/impl/StaticClusterMetadataStore.java')
-rw-r--r-- | framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/cluster/impl/StaticClusterMetadataStore.java | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/cluster/impl/StaticClusterMetadataStore.java b/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/cluster/impl/StaticClusterMetadataStore.java index e4a09cef..3cd992bb 100644 --- a/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/cluster/impl/StaticClusterMetadataStore.java +++ b/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/cluster/impl/StaticClusterMetadataStore.java @@ -7,6 +7,7 @@ import static org.slf4j.LoggerFactory.getLogger; import java.io.File; import java.io.IOException; import java.net.InetAddress; +import java.net.Inet4Address; import java.net.NetworkInterface; import java.util.Arrays; import java.util.Collection; @@ -58,6 +59,7 @@ public class StaticClusterMetadataStore private static final String ONOS_IP = "ONOS_IP"; private static final String ONOS_INTERFACE = "ONOS_INTERFACE"; + private static final String ONOS_ALLOW_IPV6 = "ONOS_ALLOW_IPV6"; private static final String DEFAULT_ONOS_INTERFACE = "eth0"; private static final String CLUSTER_METADATA_FILE = "../config/cluster.json"; private static final int DEFAULT_ONOS_PORT = 9876; @@ -214,13 +216,25 @@ public class StaticClusterMetadataStore useOnosInterface = DEFAULT_ONOS_INTERFACE; } + // Capture if they want to limit IP address selection to only IPv4 (default). + boolean allowIPv6 = (System.getenv(ONOS_ALLOW_IPV6) != null); + Function<NetworkInterface, IpAddress> ipLookup = nif -> { - for (InetAddress address : Collections.list(nif.getInetAddresses())) { - if (address.isSiteLocalAddress()) { - return IpAddress.valueOf(address); + IpAddress fallback = null; + + // nif can be null if the interface name specified doesn't exist on the node's host + if (nif != null) { + for (InetAddress address : Collections.list(nif.getInetAddresses())) { + if (address.isSiteLocalAddress() && (allowIPv6 || address instanceof Inet4Address)) { + return IpAddress.valueOf(address); + } + if (fallback == null && !address.isLoopbackAddress() && !address.isMulticastAddress() + && (allowIPv6 || address instanceof Inet4Address)) { + fallback = IpAddress.valueOf(address); + } } } - return null; + return fallback; }; try { IpAddress ip = ipLookup.apply(NetworkInterface.getByName(useOnosInterface)); @@ -228,14 +242,17 @@ public class StaticClusterMetadataStore return ip.toString(); } for (NetworkInterface nif : Collections.list(getNetworkInterfaces())) { - ip = ipLookup.apply(nif); - if (ip != null) { - return ip.toString(); + if (!nif.getName().equals(useOnosInterface)) { + ip = ipLookup.apply(nif); + if (ip != null) { + return ip.toString(); + } } } } catch (Exception e) { throw new IllegalStateException("Unable to get network interfaces", e); } + return IpAddress.valueOf(InetAddress.getLoopbackAddress()).toString(); } } |