def validateParameters1(rtName, resourceClass, hepspecs,memory, storage, bandwidth):
errorMessage = ''
if ( (rtName == None) or (rtName == '') ):
errorMessage = 'Resource Type Name field cannot be blank. ';
if ( (resourceClass == None) or (resourceClass == '') ):
errorMessage = errorMessage + 'Resource Class field cannot be blank. ';
errorMessage = errorMessage + checkAttributeValues(hepspec, memory, storage, bandwidth)
return errorMessage
def update(request):
rtName = request.REQUEST.get("name", "")
redirectURL = '/cloudman/message/?msg='
groups = request.META.get('ADFS_GROUP','')
groupsList = groups.split(';') ;
userIsSuperUser = isSuperUser(groupsList)
## Check - Logged in user has administrative privileges
if not userIsSuperUser:
message = "You don't have cloudman resource manager privileges. Hence you are not authorized to update Resource Type " + rtName;
html = "<html><body> %s.</body></html>" % message
return HttpResponse(html)
## Get the Resource Type Object
resourceTypeObject = None
try:
resourceTypeObject = ResourceType.objects.get(name=rtName)
except ResourceType.DoesNotExist:
failureMessage = "Resource Type with Name " + rtName + " could not be found"
return HttpResponseRedirect(redirectURL+failureMessage)
oldRTInfo = getResourceTypeInfo(resourceTypeObject)
## if this is a form submission, then do the update or else display the form for update
if request.method == 'POST':
## Existing values
currName = resourceTypeObject.name
currResourceClass = resourceTypeObject.resource_class
currHepSpecs = resourceTypeObject.hepspecs
currMemory = resourceTypeObject.memory
currStorage = resourceTypeObject.storage
currBandwidth = resourceTypeObject.bandwidth
## Get the new values
newName = request.POST['name']
newResourceClass = request.POST['resource_class']
newHepSpecs = request.POST['hepspecs']
newMemory = request.POST['memory']
newStorage = request.POST['storage']
newBandwidth = request.POST['bandwidth']
comment = request.POST['comment']
try:
validate_name(newName)
validate_name(newResourceClass)
validate_float(newHepSpecs)
validate_float(newMemory)
validate_float(newStorage)
validate_float(newBandwidth)
validate_comment(comment)
except ValidationError as e:
message ='Edit Resource Type Form '+', '.join(e.messages)
html = "<html><HEAD><meta HTTP-EQUIV=\"REFRESH\" content=\"4; url=/cloudman/resourcetype/list/\"></HEAD><body> %s.</body></html>" % message
return HttpResponse(html)
## If resource parameters are changed, then validate them
errorMsg = checkAttributeValues(newHepSpecs, newMemory, newStorage, newBandwidth)
if (errorMsg != ''):
return HttpResponseRedirect(redirectURL + errorMsg)
## convert empty values for the following fields into None i.e NULL and if not empty, then round off to 3 decimals
if (newHepSpecs == ''):
newHepSpecs = None
else:
newHepSpecs = round((float(newHepSpecs)), 3)
if (newMemory == ''):
newMemory = None
else:
newMemory = round((float(newMemory)), 3)
if (newStorage == ''):
newStorage = None
else:
newStorage = round((float(newStorage)), 3)
if (newBandwidth == ''):
newBandwidth = None
else:
newBandwidth = round((float(newBandwidth)), 3)
## Check atleast one parameter is changed from its existing value
if ( (currName == newName) and (currResourceClass == newResourceClass) and (currHepSpecs== newHepSpecs) and (currMemory == newMemory) and (currStorage == newStorage) and (currBandwidth == newBandwidth) ):
message = 'No New Value provided for any field to perform Edit Operation. Hence Edit Resource Type ' + rtName + ' aborted'
return HttpResponseRedirect(redirectURL + message)
## If name is changed, then validate it and if success, then assign the new name to the object
if (currName != newName):
if (newName == ''):
errorMsg = 'Name field cannot be left blank. So Edit Resource Type operation stopped'
return HttpResponseRedirect(redirectURL + errorMsg)
nameExists = checkNameIgnoreCase(newName)
if nameExists:
msgAlreadyExists = 'Resource Type ' + newName + ' already exists. Hence Edit Resource Type Operation Stopped'
return HttpResponseRedirect(redirectURL + msgAlreadyExists);
resourceTypeObject.name = newName
## check the remaining parameters and if changed, then assign to the object
if (currResourceClass != newResourceClass):
resourceTypeObject.resource_class = newResourceClass
if (currHepSpecs != newHepSpecs):
resourceTypeObject.hepspecs = newHepSpecs
if (currMemory != newMemory):
resourceTypeObject.memory = newMemory
if (currStorage != newStorage):
resourceTypeObject.storage = newStorage
if (currBandwidth != newBandwidth):
resourceTypeObject.bandwidth = newBandwidth
## update the object and return the success message to the user
resourceTypeObject.save()
newRTInfo = getResourceTypeInfo(resourceTypeObject)
objectId = resourceTypeObject.id
if addUpdateLog(request,newName,objectId,comment,oldRTInfo,newRTInfo,'resourcetype',True):
message = 'Resource Type ' + rtName + ' Successfully Updated'
transaction.commit()
else:
transaction.rollback()
message = 'Error in Updating Resource Type ' + rtName
html = "<html><HEAD><meta HTTP-EQUIV=\"REFRESH\" content=\"4; url=/cloudman/resourcetype/list/\"></HEAD><body> %s.</body></html>" % message
return HttpResponse(html)
## if it is not form submission, then call the template to display the update form
else:
form = ResourceTypeForm()
#resourceTypeList=list(resourceTypeObject)
#json_object=simplejson.dumps(resourceTypeObject)
return render_to_response('resourcetype/update.html',locals(),context_instance=RequestContext(request))
