def wakeUpHost(srvObj, suspHost):
"""
Wake up a host which has been suspended. After invoking the appropriate
Wake-Up Plug-In it is checked within the time-out defined in the
NG/AMS Configuration File if the server, which was woken up is up
and running. If this is not the case within the specified time-out,
an exception is thrown.
srvObj: Reference to instance of the NG/AMS server (ngamsServer).
suspHost: Host name of the suspended host (string).
Returns: Void.
"""
T = TRACE()
wakeUpPi = srvObj.getCfg().getWakeUpPlugIn()
portNo = srvObj.getDb().getPortNoFromHostId(suspHost)
try:
plugInMethod = loadPlugInEntryPoint(wakeUpPi)
plugInMethod(srvObj, suspHost)
ipAddress = srvObj.getDb().getIpFromHostId(suspHost)
ngamsHighLevelLib.pingServer(ipAddress, portNo,
srvObj.getCfg().getWakeUpCallTimeOut())
except Exception:
logger.exception("Error waking up host %s", suspHost)
raise
def status(cfg):
"""
Check if the server is up and running
"""
ip_address = get_contact_ip(cfg)
port = cfg.getPortNo()
try:
ngamsHighLevelLib.pingServer(ip_address, port, 10)
return 0
except:
return 1