def aws_cluster_creator_step2(request):
"""This function is about VPC, subnet and security group selection.
Based on previous entry vpc_selection, you will be redirected to a page
to pick one of the available VPC, subnet and SG options or just create one
automatically based on the name of the server.
"""
if request.method == 'POST':
old_form = CreateClusterStep1(request.POST)
log.info('Obtained CreateClusterStep1 form data')
if old_form.is_valid():
region = old_form.cleaned_data['region']
vpc_selection = old_form.cleaned_data['vpc_selection']
log.debug('region= %s' % region)
log.debug('vpc_selection= %s' % vpc_selection)
if vpc_selection == "automatic":
log.debug('Rendering aws_cluster_creator_step3.html using CreateClusterStep3 form.')
form = CreateClusterStep3(request.POST or None)
return render(request, 'aws_cluster_creator_step3.html', {'form': form})
if (vpc_selection == "existing") or (vpc_selection == "new"):
log.debug('Rendering aws_cluster_creator_step2.html using CreateClusterStep2 form')
form = CreateClusterStep2(request.POST or None)
try:
vpc_choices, subnet_choices, sg_choices = getVPCinfo(region)
except Exception as ex:
handle_exception(ex)
return render(request, 'aws_cluster_creator_step2.html', {'form': form, 'vpc_selection': vpc_selection,
'vpc_choices': vpc_choices,
'subnet_choices': subnet_choices,
'sg_choices': sg_choices})
def aws_cluster_creator_step0(request):
"""Renders AWS cluster create step #0.
It asks you to select a region to work with AWS EC2.
"""
# This will create a form, as defined in forms.py (CreateCluster0)
form = CreateClusterStep0
try:
# This will make use of the form defined above and render it using a template.
return render(request, 'aws_cluster_creator_step0.html', {'form': form})
except Exception as e:
handle_exception(e)
return render(request, 'error.html')
def aws_cluster_creator_step1(request):
"""Renders AWS cluster create step #1.
It asks you to select name, number, ami, instance type and more.
"""
if request.method == 'POST':
old_form = CreateClusterStep0(request.POST)
log.info('Obtained CreateClusterStep0 form data')
if old_form.is_valid():
region = old_form.cleaned_data['region']
log.info('Old form value region: %s' % region)
try:
form = CreateClusterStep1(request.POST or None)
ami_choices = getAMIs(region)
except Exception as e:
handle_exception(e)
return render(request, 'aws_cluster_creator_step1.html', {'form': form, 'ami_choices': ami_choices})
else:
return render(request, 'error.html')
