diff options
Diffstat (limited to 'node-admin')
| -rw-r--r-- | node-admin/src/main/java/com/yahoo/vespa/hosted/node/admin/task/util/network/IPAddresses.java | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/node-admin/src/main/java/com/yahoo/vespa/hosted/node/admin/task/util/network/IPAddresses.java b/node-admin/src/main/java/com/yahoo/vespa/hosted/node/admin/task/util/network/IPAddresses.java index fc181eb3107..07e172c5117 100644 --- a/node-admin/src/main/java/com/yahoo/vespa/hosted/node/admin/task/util/network/IPAddresses.java +++ b/node-admin/src/main/java/com/yahoo/vespa/hosted/node/admin/task/util/network/IPAddresses.java @@ -73,6 +73,15 @@ public interface IPAddresses { addresses)); } + /** Returns the hostname of given inetAddress */ + default String getHostname(InetAddress inetAddress) { + String hostname = inetAddress.getHostName(); + if (hostname.equals(inetAddress.getHostAddress())) { + throw new IllegalArgumentException("Could not find hostname for address " + inetAddress.getHostAddress()); + } + return hostname; + } + /** * Get the IPv4 address for the host if any. * |