/**
* resolve the host ip address
*
* @param host the host which it's address is about to be resolved
* @return if succeeded, string representing the host ip in IPv4 format, null otherwise
*/
public static String getHostByIp(VDS host) {
try {
final InetAddress address = InetAddress.getByName(host.getHostName());
return address.getHostAddress().trim();
} catch (UnknownHostException ex) {
final String msg = "Failed to resolve host ip by name '{}'";
log.warn(msg, " Details: '{}' ", host.getHostName(), ex.getCause());
log.debug(msg, host.getHostName(), ex);
return null;
}
}
private GlusterVolumeEntity getNewVolume() {
GlusterVolumeEntity volume = new GlusterVolumeEntity();
volume.setName(NEW_VOL_NAME);
volume.setClusterId(CLUSTER_ID);
volume.setId(NEW_VOL_ID);
volume.setVolumeType(GlusterVolumeType.DISTRIBUTE);
volume.addTransportType(TransportType.TCP);
volume.setReplicaCount(0);
volume.setStripeCount(0);
volume.setStatus(GlusterStatus.UP);
volume.setOption("auth.allow", "*");
volume.addAccessProtocol(AccessProtocol.GLUSTER);
volume.addAccessProtocol(AccessProtocol.NFS);
GlusterBrickEntity brick = new GlusterBrickEntity();
brick.setVolumeId(NEW_VOL_ID);
brick.setServerId(existingServer1.getId());
brick.setServerName(existingServer1.getHostName());
brick.setBrickDirectory("/export/testvol1");
brick.setStatus(GlusterStatus.UP);
brick.setBrickOrder(0);
volume.addBrick(brick);
return volume;
}
private GlusterBrickEntity createBrick(Guid existingVolDistId, VDS server, String brickDir) {
GlusterBrickEntity brick = new GlusterBrickEntity();
brick.setVolumeId(existingVolDistId);
brick.setServerId(server.getId());
brick.setServerName(server.getHostName());
brick.setBrickDirectory(brickDir);
brick.setStatus(GlusterStatus.UP);
return brick;
}
/** @return A unique host name representation */
public static String getUniqueHostName(VDS host) {
return host.getHostName()
+ "-"
+ DigestUtils.md5Hex(host.getId().toByteArray()).substring(0, 6);
}