def delete(request):
rtName = request.REQUEST.get("name", "")
redirectURL = '/cloudman/message/?msg='
comment = request.REQUEST.get("comment", "deleting")
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 delete 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)
## Before Deleting, check whether this resource type is used for zones, top level allocations, project allocations and group allocations
zoneNames = ZoneAllowedResourceType.objects.filter(resource_type__name__iexact = rtName).values_list('zone__name', 'zone__region__name').order_by('zone__name')
tpAllocNames = TopLevelAllocationAllowedResourceType.objects.filter(resource_type__name__iexact = rtName).values_list('top_level_allocation__name', flat=True).order_by('top_level_allocation__name')
prAllocNames = ProjectAllocationAllowedResourceType.objects.filter(resource_type__name__iexact = rtName).values_list('project_allocation__name', flat=True).order_by('project_allocation__name')
grAllocNames = GroupAllocationAllowedResourceType.objects.filter(resource_type__name__iexact = rtName).values_list('group_allocation__name', flat=True).order_by('group_allocation__name')
## if this resource type is used as specified above, then frame an errorMessage to alert the user
finalMessage = ''
zoneNamesList = list(zoneNames)
tpAllocNamesList = list(tpAllocNames)
prAllocNamesList = list(prAllocNames)
grAllocNamesList = list(grAllocNames)
if len(zoneNamesList) > 0:
finalMessage = finalMessage + "Zone Names: "
for i in (range(len(zoneNamesList))):
if (i == (len(zoneNamesList)-1)):
finalMessage = finalMessage + zoneNamesList[i][0] + "(Region: " + zoneNamesList[i][1] + ") "
else:
finalMessage = finalMessage + zoneNamesList[i][0] + "(Region: " + zoneNamesList[i][1] + "), "
finalMessage = finalMessage + "<br/>"
if len(tpAllocNamesList) > 0:
finalMessage = finalMessage + "Top Level Allocation Names: " + (', '.join(tpAllocNamesList)) + "<br/>"
if len(prAllocNamesList) > 0:
finalMessage = finalMessage + "Project Allocation Names: " + (', '.join(prAllocNamesList)) + "<br/>"
if len(grAllocNamesList) > 0:
finalMessage = finalMessage + "Group Allocation Names: " + (', '.join(grAllocNamesList)) + "<br/>"
if not finalMessage == '':
finalMessage = "Resource Type with Name " + rtName + " Could not be deleted because it is being used in " + "<br/>" + finalMessage
html = "<html><body> %s</body></html>" % finalMessage
return HttpResponse(html)
## if this resource type is not used anywhere, then delete it and return a success message to the user
status = addLog(request,rtName,comment,resourceTypeObject,None,'resourcetype','delete',False)
resourceTypeObject.delete()
if status:
message = "Resource Type with Name " + rtName + " deleted successfully "
transaction.commit()
else:
transaction.rollback()
message = "Error in deleting Resource Type with Name " + rtName
html = "<html><HEAD><meta HTTP-EQUIV=\"REFRESH\" content=\"4; url=/cloudman/resourcetype/list/\"></HEAD><body> %s.</body></html>" % message
return HttpResponse(html)
def addnew(request):
groups = request.META.get('ADFS_GROUP','')
groupsList = groups.split(';') ;
userIsSuperUser = isSuperUser(groupsList)
## Check if the User has cloudman resource manager privileges
if not userIsSuperUser:
message = "You don't have cloudman resource manager privileges. Hence you are not authorized to add new Resource Type";
html = "<html><body> %s.</body></html>" % message
return HttpResponse(html)
## If the call is due to form submission, then get all the values and add the new resource type, else display the form
if request.method == 'POST':
form = ResourceTypeForm(request.POST)
if form.is_valid():
redirectURL = '/cloudman/message/?msg='
## Get all the values of the form submitted through POST method
rtName = form.cleaned_data['name']
resourceClass = form.cleaned_data['resource_class']
hepspecs= form.cleaned_data['hepspecs']
memory = form.cleaned_data['memory']
storage = form.cleaned_data['storage']
bandwidth = form.cleaned_data['bandwidth']
comment = form.cleaned_data['comment']
reqParam = False
## check if name exists
nameExists = checkNameIgnoreCase(rtName)
if nameExists:
msgAlreadyExists = 'Resource Type ' + rtName + ' already exists. Hence Add Resource Type Operation Stopped'
return HttpResponseRedirect(redirectURL + msgAlreadyExists)
if hepspecs :
hepspecs = round((float(hepspecs)), 3)
reqParam = True
if memory :
memory = round((float(memory)), 3)
if storage :
storage = round((float(storage)), 3)
reqParam = True
if bandwidth :
bandwidth = round((float(bandwidth)), 3)
if (not reqParam):
errorMsg = 'Either of CPU or Storage Capacity needs to be defined. Hence Add Resource Type Operation Stopped'
return HttpResponseRedirect(redirectURL + errorMsg);
rtObj = ResourceType(name=rtName, resource_class=resourceClass, hepspecs=hepspecs, memory=memory, storage=storage, bandwidth=bandwidth)
rtObj.save()
## Return the success message and redirect to list template in 4 seconds
rtObj = ResourceType.objects.get(name = rtName)
if addLog(request,rtName,comment,rtObj,None,'resourcetype','add',True):
transaction.commit()
msgSuccess = 'New Resource Type ' + rtName + ' added successfully'
else:
transaction.rollback()
msgSuccess = 'Error in Adding Resource Type ' + rtName
html = "<html><HEAD><meta HTTP-EQUIV=\"REFRESH\" content=\"4; url=/cloudman/resourcetype/list/\"></HEAD><body> %s.</body></html>" % msgSuccess
return HttpResponse(html)
else:
form = ResourceTypeForm()
return render_to_response('resourcetype/new.html',locals(),context_instance=RequestContext(request))
def addnew(request):
groups = request.META.get('ADFS_GROUP','')
groupsList = groups.split(';') ;
userIsSuperUser = isSuperUser(groupsList)
## Check user cloudman resource manager privileges
if not userIsSuperUser:
message = "You don't have cloudman resource manager privileges. Hence you are not authorized to add new Region";
html = "<html><body> %s.</body></html>" % message
return HttpResponse(html)
if request.method == 'POST':
form = RegionForm(request.POST)
### Check whether all the fields for creating a region are provided with non-empty values
if form.is_valid():
redirectURL = '/cloudman/message/?msg='
name = form.cleaned_data['name']
regionExists = checkNameIgnoreCase(name)
if regionExists:
msgAlreadyExists = 'Region ' + name + ' already exists. Hence Add Region Operation Stopped'
return HttpResponseRedirect(redirectURL + msgAlreadyExists)
description = form.cleaned_data['description']
admin_group = form.cleaned_data['admin_group']
comment = form.cleaned_data['comment']
## Check that name provided as admin_group exists in the EGroups TABLE
## If not, then check its existence in external egroup database through ldap
## If not present there also, then raise an alert or else add the group name to EGroups table also
egroup = None
try:
egroup = Egroups.objects.get(name=admin_group)
except Egroups.DoesNotExist:
if not (checkEGroup(admin_group)):
errorMessage = 'Selected Admin E-Group ' + admin_group + ' does not exists'
return HttpResponseRedirect(redirectURL + errorMessage)
egroup = Egroups(name=admin_group)
egroup.save()
## Create the Region with all the required values
regionObj = Region(name=name, description=description, admin_group=egroup)
regionObj.save()
regionObj = Region.objects.get(name=name)
if addLog(request,name,comment,regionObj,None,'region','add',True):
transaction.commit()
## Return the Success message
msgSuccess = 'New region ' + name + ' added successfully'
else:
transaction.rollback()
msgSuccess = 'Error in creating New region ' + name
html = "<html><HEAD><meta HTTP-EQUIV=\"REFRESH\" content=\"4; url=/cloudman/region/list/\"></HEAD><body> %s.</body></html>" % msgSuccess
return HttpResponse(html)
else:
## If not POST operation, then return the Region Creation Form
form = RegionForm()
return render_to_response('region/addnew.html',locals(),context_instance=RequestContext(request))
def delete(request):
regionName = request.REQUEST.get("name", "")
comment = request.REQUEST.get("comment", "deleting")
redirectURL = '/cloudman/message/?msg='
groups = request.META.get('ADFS_GROUP','')
groupsList = groups.split(';') ;
## Update is allowed if user has either cloudman resource manager privileges or
## belongs to the egroup selected as administrative e-group for this region
if not isUserAllowedToUpdateOrDeleteRegion(regionName,groupsList):
message = "You neither have membership of administrative group of region " + regionName + " nor possess Cloudman Resource Manager Privileges. Hence you are not authorized to Delete Region"
html = "<html><body> %s.</body></html>" % message
return HttpResponse(html)
## Get the Region Object
regionObject = None
try:
regionObject = Region.objects.get(name=regionName)
except Region.DoesNotExist:
failureMessage = "Region with Name " + regionName + " could not be found"
return HttpResponseRedirect(redirectURL+failureMessage)
## Check whether any zones are defined for this region
zoneNames = Zone.objects.filter(region__name__iexact = regionName).values_list('name', flat=True).order_by('name')
finalMessage = ''
zoneNamesList = list(zoneNames)
## If zones are defined, then alert the user and do not delete the region
if len(zoneNamesList) > 0:
finalMessage = finalMessage + "Zone Names: " + (', '.join(zoneNamesList)) + "<br/>"
if not finalMessage == '':
finalMessage = "Region with Name " + regionName + " Could not be deleted because it is being used in " + "<br/>" + finalMessage
html = "<html><body> %s</body></html>" % finalMessage
return HttpResponse(html)
## If no zones, then delete the region and return a success message to the user
status = addLog(request,regionName,comment,regionObject,None,'region','delete',False)
regionObject.delete()
if status:
transaction.commit()
message = "Region with Name " + regionName + " deleted successfully "
else:
transaction.rollback()
message = "Error in deleting Region with Name " + regionName
html = "<html><HEAD><meta HTTP-EQUIV=\"REFRESH\" content=\"4; url=/cloudman/region/list/\"></HEAD><body> %s.</body></html>" % message
return HttpResponse(html)
