get important jvm settings from websphere

getJVMSettings.py

import os
import sys

def wsadminToList(inStr):
        inStr = inStr.rstrip();
        outList=[]
        if (len(inStr)>0 and inStr[0]=='[' and inStr[-1]==']'):
            tmpList = inStr[1:-1].split(" ")
        else:
            tmpList = inStr.split("\n") 
        for item in tmpList:
            item = item.rstrip();       
            if (len(item)>0):
                outList.append(item)
        return outList

def writeLine(message,servername,node,initHeap,maxHeap,generic):
    line="print '%s'\n" % (message)
    outfile.write(line)
    line="AdminTask.setJVMInitialHeapSize('[-serverName %s -nodeName %s -initialHeapSize %s]')\n" % (servername,node,initHeap)
    outfile.write(line)
    line="AdminTask.setJVMMaxHeapSize('[-serverName %s -nodeName %s -maximumHeapSize %s]')\n" % (servername,node,maxHeap)
    outfile.write(line)
    line=line="AdminTask.setGenericJVMArguments('[-serverName %s -nodeName %s -genericJvmArguments \"%s\"]')\n" % (servername,node,generic)
    outfile.write(line)
    

def writeProperty(servername,node,name,value):
    line="print '%s: %s = %s'\n" % (servername,name,value)
    outfile.write(line)
    line="AdminTask.setJVMSystemProperties('[-serverName %s -nodeName %s -propertyName %s -propertyValue \"%s\"]')\n" % (servername,node,name,value)
    outfile.write(line)
    

print "extract jvm settings"
servers = AdminTask.listServers().splitlines()
webservers = AdminTask.listServers('[-serverType WEB_SERVER]').splitlines()

outfileName=sys.argv[0]
print outfileName
if outfileName is None:
    print "Parameter outfileName is missing"
    sys.exit(1)
print "open "+outfileName+ " for writing"
outfile=open(outfileName,'w')

print "Write result to " + outfileName


for webserver in webservers:
    servers.remove(webserver)
outfile.write('print "Update JVM initial and Max Heap Size"\n')
for server in servers:
    jvm=AdminConfig.list('JavaVirtualMachine',server)
    if not jvm is None:
         
        srv=server.split('/')
        cell=srv[1]
        node=srv[3]
        servername=srv[5].split('|')[0]    
        initHeap=AdminConfig.showAttribute(jvm, 'initialHeapSize')
        maxHeap=AdminConfig.showAttribute(jvm, 'maximumHeapSize')
        generic=AdminConfig.showAttribute(jvm,'genericJvmArguments')
        jvmprop=AdminConfig.showAttribute(jvm, "systemProperties")
        jvmprops=wsadminToList(jvmprop)
        message="Server %s - init: %sM - max: %sM - arg: %s" % (servername, initHeap, maxHeap,generic)
        print message
        writeLine(message,servername,node,initHeap,maxHeap,generic)
        for jvmProp in jvmprops:
            name = AdminConfig.showAttribute(jvmProp, "name")
            value = AdminConfig.showAttribute(jvmProp, "value")
            print "property %s = %s" % (name,value)
            writeProperty(servername,node,name,value)    
        
        outfile.write('\n')

outfile.write('AdminConfig.save()')
outfile.write('\nprint "Done"\n')
outfile.close()
print "Done"