WLST health check script for weblogic

#redirect wlst's own output to null, print lines in the script itself  
redirect('/dev/null', 'false')  

connect(userConfigFile='/home/weblogic/user_projects/domains/my_domain/adminServerConfig.secure',  
 userKeyFile='/home/weblogic/user_projects/domains/my_domain/adminServerKey.secure',  
 url='t3://myhost.mydomain.ie:7001')  

servers = cmo.getServers()  

domainRuntime()  
stoppedServers = []  

for server in servers:  
 try:  
 cd('/ServerRuntimes/' + server.getName())  
 currentState = get('HealthState').getState()  
 if currentState == 0:  
 print server.getName() + ': ' + get('State') + ': HEALTH_OK'  
 elif currentState == 1:  
 print server.getName() + ': ' + get('State') + ': HEALTH_WARN'  
 elif currentState == 2:  
 print server.getName() + ': ' + get('State') + ': HEALTH_CRITICAL'  
 stoppedServers.append(server.getName())  
 elif currentState == 3:  
 print server.getName() + ': ' + get('State') + ': HEALTH_FAILED'  
 stoppedServers.append(server.getName())  
 elif currentState == 4:  
 print server.getName() + ': ' + get('State') + ': HEALTH_OVERLOADED'  
 else:  
 print server.getName() + ': ' + get('State') + ': UNKNOWN HEALTH STATE (' + currentState + ')'  

 except WLSTException, e:  
 print server.getName() + " is not running."  
 stoppedServers.append(server.getName())  

disconnect()  

if stoppedServers:  
 print "Found stopped servers first one is " + stoppedServers[0]  
 #If you want to email info on the failed server (probably a good idea) and are on Linux you can do something like this  
 #os.system('echo "Auto restarting failed server: %s" | /bin/mailx -s "WARNING: Auto restart failed server" system@mydomain.ie' % stoppedServers[0])  
 nmConnect(userConfigFile='/home/weblogic/user_projects/domains/my_domain/nodemanagerConfig.secure',  
 userKeyFile='/home/weblogic/user_projects/domains/my_domain/nodemanagerKey.secure',  
 host='myhost.mydomain.ie', port='5556', domainName='my_domain',  
 domainDir='/home/weblogic/user_projects/domains/my_domain/', nmType='plain')  

 runningStatus = nmServerStatus(stoppedServers[0])  
 print 'Server ' + stoppedServers[0] + ' current running state is ' + runningStatus  

 #turn redirect off, we want to see how the server kill and start goes  
 redirect('/dev/null', 'true')  
 #kill the server and start it again  
 try:  
 nmKill(stoppedServers[0])  
 except WLSTException, e:  
 print 'Could not kill server, it may not have been running '  

 print 'Starting server \'' + stoppedServers[0] + '\' using nodemanager '  
 nmStart(stoppedServers[0])  

exit()