def homepanel(request):
anyRolePresent = False
groupUserRolePresent = False
groupManagerRolePresent = False
projectManagerRolePresent = False
regionManagerRolePresent = False
fullName = request.META.get('ADFS_FULLNAME','')
groups = request.META.get('ADFS_GROUP','')
groupsList = groups.split(';') ;
rolesList = getUserRoles(groupsList)
for entry in rolesList:
if entry[0] == 'group' and entry[1] == 'user':
groupUserRoles = entry[2]
if len(groupUserRoles) > 0:
groupUserRolePresent = True
if entry[0] == 'group' and entry[1] == 'manager':
groupManagerRoles = entry[2]
if len(groupManagerRoles) > 0:
groupManagerRolePresent = True
if entry[0] == 'project' and entry[1] == 'manager':
projectManagerRoles = entry[2]
if len(projectManagerRoles) > 0:
projectManagerRolePresent = True
if entry[0] == 'region' and entry[1] == 'manager':
regionManagerRoles = entry[2]
if len(regionManagerRoles) > 0:
regionManagerRolePresent = True
if groupUserRolePresent or groupManagerRolePresent or projectManagerRolePresent or regionManagerRolePresent:
anyRolePresent = True
egroupsList = getAllEGroups()
userIsSuperUser = isSuperUser(groupsList)
usersGroupsSet = set(groupsList)
SUSet = set(SUPER_USER_GROUPS)
intersectionValue = usersGroupsSet.isdisjoint(SUSet)
intersectionSet = usersGroupsSet.intersection(SUSet)
regionsCount = getRegionCount()
zonesCount = getZoneCount()
groupsCount = getGroupsCount()
return render_to_response('homepanel.html',locals(),context_instance=RequestContext(request))
def addnew(request):
## The add zone function can be used in two ways.
## one way, is to click add new zone from the zone list page.....
## which will display all the regions and create a zone by selecting a region from the list
## second way, is to click add new zone from the region detailed page...
## which means you already selected the region and adding a zone in that region
## that's why the following variable says whether you already selected region or not
selRegionName = request.REQUEST.get("regionname", "")
## Check if there are any regions defined. If not, then zones cannot be added
regionsCount = getRegionCount()
if (regionsCount == 0):
message = "No Regions Defined. First create Region and then try to add Zone"
html = "<html><body> %s.</body></html>" % message
return HttpResponse(html)
## Check if there are any resource types defined. If not, then zones cannot be added
resourceTypesCount = getResourceTypesCount()
if (resourceTypesCount == 0):
message = "No Resource Types Defined. First create Resource Types and then try to add Zone"
html = "<html><body> %s. </body></html>" % message
return HttpResponse(html)
groups = request.META.get('ADFS_GROUP','')
groupsList = groups.split(';')
userIsSuperUser = isSuperUser(groupsList)
## If the request is through form submission, then try to add the region or else display the add form
if request.method == 'POST':
redirectURL = '/cloudman/message/?msg='
regionName = request.POST['region']
zoneName = request.POST['name']
description = request.POST['description']
hepSpecs = request.POST['hepspecs']
memory = request.POST['memory']
storage = request.POST['storage']
bandwidth = request.POST['bandwidth']
hepSpec_overcommit = request.POST['hepspec_overcommit']
memory_overcommit = request.POST['memory_overcommit']
comment = request.POST['comment']
try:
validate_name(regionName)
validate_name(zoneName)
validate_descr(description)
validate_float(hepSpecs)
validate_int(memory)
validate_int(storage)
validate_float(bandwidth)
validate_comment(comment)
validate_float(hepSpec_overcommit)
validate_float(memory_overcommit)
except ValidationError as e:
message ='Add Zone Form '+', '.join(e.messages)
html = "<html><HEAD><meta HTTP-EQUIV=\"REFRESH\" content=\"4; url=/cloudman/zone/list/\"></HEAD><body> %s.</body></html>" % message
return HttpResponse(html)
## check for uniqueness of this zone name in the region
nameExists = checkNameIgnoreCase(regionName, zoneName)
if nameExists:
msgAlreadyExists = 'Zone Name ' + zoneName + ' in Region ' + regionName + ' already exists. Hence Add New Zone Operation Stopped'
transaction.rollback()
return HttpResponseRedirect(redirectURL + msgAlreadyExists)
## check whether user has any of the following rights
## cloudman resource manager privileges
## If not, then has membership of region admin_group
if not userIsSuperUser:
userIsAdminOfRegion = isAdminForRegion(regionName, groupsList)
if not userIsAdminOfRegion:
message = "You neither have membership of administrative group of region " + regionName + " nor possess Cloudman Resource Manager Privileges. Hence you are not authorized to add new Zone";
return HttpResponseRedirect(redirectURL + message)
## Get the Region Object
try:
region = Region.objects.get(name=regionName)
except Region.DoesNotExist:
errorMessage = 'No Record Found for Region ' + regionName + '. Hence Add New Zone Operation Stopped'
return HttpResponseRedirect(redirectURL + errorMessage)
## validate hepspec, memory, storage and bandwidth values
errorMsg = checkAttributeValues(hepSpecs, memory, storage, bandwidth)
if (errorMsg != ''):
return HttpResponseRedirect(redirectURL + errorMsg)
## validate hepspec over commit and memory over commit values
if hepSpec_overcommit < 1:
msgFailure = "Hepspec Over Commit value should be greater than or equal to 1. Hence Add Zone Operation Stopped"
return HttpResponseRedirect(redirectURL + msgFailure)
if memory_overcommit < 1:
msgFailure = "Memory Over Commit value should be greater than or equal to 1. Hence Add Zone Operation Stopped"
return HttpResponseRedirect(redirectURL + msgFailure)
## get all the resource types check boxes values (resource type name),
## the allowed resource types for this zone will be the ones whose checkbox is selected
totalResourceTypes = request.POST['totalresourcetypes']
index = 1
atleastOneRTsel = False
resourceTypesList = []
while index <= int(totalResourceTypes):
if ('resourcetype'+str(index)) in request.POST.keys() :
## if checkbox selected
resourceTypesList.append(request.POST['resourcetype'+str(index)])
atleastOneRTsel = True
index = index + 1
if not atleastOneRTsel:
message = "No Resource Types selected that are allowed for this Zone. Hence Zone Add Operation Stopped"
return HttpResponseRedirect(redirectURL + message)
## get the resource type objects for all those that are selected
resourceTypesFullInfoList = []
msgSuccess = ''
for oneRT in resourceTypesList:
try:
resourceType = ResourceType.objects.get(name=oneRT)
resourceTypesFullInfoList.append(resourceType)
msgSuccess = msgSuccess + ' ' + oneRT;
except ResourceType.DoesNotExist:
errorMessage = 'No Record Found for Resource Type ' + oneRT + '. Hence Add New Zone Operation Stopped'
return HttpResponseRedirect(redirectURL + errorMessage)
msgSuccess = 'New Zone ' + zoneName + ' added successfully ' + ' to Region ' + regionName + '. The allowed Resource Types are ' + msgSuccess
if hepSpecs == '':
hepSpecs = None
else:
hepSpecs = round((float(hepSpecs)), 3)
if memory == '':
memory = None
else:
memory = round((float(memory)), 3)
if storage == '':
storage = None
else:
storage = round((float(storage)), 3)
if bandwidth == '':
bandwidth = None
else:
bandwidth = round((float(bandwidth)), 3)
## create the zone object and save it
newzone = Zone(name=zoneName, description=description, region=region, hepspecs=hepSpecs, memory=memory, storage=storage, bandwidth=bandwidth, hepspec_overcommit=hepSpec_overcommit, memory_overcommit=memory_overcommit)
newzone.save()
## get the newly added zone object
## add the allowed resource types for this zone
addedZone = Zone.objects.get(name=zoneName, region=region)
for oneRT in resourceTypesFullInfoList:
zrt = ZoneAllowedResourceType(zone=addedZone, resource_type=oneRT)
zrt.save()
##Add the Log for Zone
if addLog(request,zoneName,comment,addedZone,None,'zone','add',True):
transaction.commit()
else:
transaction.rollback()
msgSuccess = 'Error in creating new zone' + zoneName
## return the success message to the user
html = "<html><HEAD><meta HTTP-EQUIV=\"REFRESH\" content=\"4; url=/cloudman/zone/list/\"></HEAD><body> %s.</body></html>" % msgSuccess
return HttpResponse(html)
else:
## Zone can be added provided you have any of the following privileges
## cloudman resource manager privileges
## only to regions for which user has membership of its admin_group
if not userIsSuperUser:
userIsAdmin = True
## if region is not already selected, then check user has membership of atleast one region admin_group
if selRegionName == '':
userIsAdmin = isAdminOfAnyRegion(groupsList)
if not userIsAdmin:
message = "You neither have membership of administrative groups of any region nor possess Cloudman Resource Manager Privileges. Hence you are not authorized to add new Zone";
html = "<html><body> %s.</body></html>" % message
return HttpResponse(html)
else:
userIsAdmin = isAdminForRegion(selRegionName, groupsList)
if not userIsAdmin:
message = "You neither have membership of administrative group of region " + selRegionName + " nor possess Cloudman Resource Manager Privileges. Hence you are not authorized to add new Zone";
html = "<html><body> %s.</body></html>" % message
return HttpResponse(html)
form = ZoneForm(userGroups=groupsList, superUserRights=userIsSuperUser)
resourceForm=ResourceForm
resourceType = ResourceType.objects.all()
return render_to_response('zone/addnew.html',locals(),context_instance=RequestContext(request))
