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##############################################################################
# Copyright (c) 2018 Sawyer Bergeron, Parker Berberian, and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
from django.forms import formset_factory
from workflow.models import WorkflowStep
from workflow.forms import BasicMetaForm, HostSoftwareDefinitionForm
from workflow.booking_workflow import Abstract_Resource_Select
from resource_inventory.models import Image, GenericHost, ConfigBundle, HostConfiguration
class SWConf_Resource_Select(Abstract_Resource_Select):
workflow_type = "configuration"
class Define_Software(WorkflowStep):
template = 'config_bundle/steps/define_software.html'
title = "Pick Software"
description = "Choose the opnfv and image of your machines"
short_title = "host config"
def build_filter_data(self, hosts_data):
"""
returns a 2D array of images to exclude
based on the ordering of the passed
hosts_data
"""
filter_data = []
user = self.repo_get(self.repo.SESSION_USER)
lab = self.repo_get(self.repo.SELECTED_GRESOURCE_BUNDLE).lab
for i, host_data in enumerate(hosts_data):
host = GenericHost.objects.get(pk=host_data['host_id'])
wrong_owner = Image.objects.exclude(owner=user).exclude(public=True)
wrong_host = Image.objects.exclude(host_type=host.profile)
wrong_lab = Image.objects.exclude(from_lab=lab)
excluded_images = wrong_owner | wrong_host | wrong_lab
filter_data.append([])
for image in excluded_images:
filter_data[i].append(image.pk)
return filter_data
def create_hostformset(self, hostlist, data=None):
hosts_initial = []
host_configs = self.repo_get(self.repo.CONFIG_MODELS, {}).get("host_configs", False)
if host_configs:
for config in host_configs:
hosts_initial.append({
'host_id': config.host.id,
'host_name': config.host.resource.name,
'headnode': config.is_head_node,
'image': config.image
})
else:
for host in hostlist:
hosts_initial.append({
'host_id': host.id,
'host_name': host.resource.name
})
HostFormset = formset_factory(HostSoftwareDefinitionForm, extra=0)
filter_data = self.build_filter_data(hosts_initial)
class SpecialHostFormset(HostFormset):
def get_form_kwargs(self, index):
kwargs = super(SpecialHostFormset, self).get_form_kwargs(index)
if index is not None:
kwargs['imageQS'] = Image.objects.exclude(pk__in=filter_data[index])
return kwargs
if data:
return SpecialHostFormset(data, initial=hosts_initial)
return SpecialHostFormset(initial=hosts_initial)
def get_host_list(self, grb=None):
if grb is None:
grb = self.repo_get(self.repo.SELECTED_GRESOURCE_BUNDLE, False)
if not grb:
return []
if grb.id:
return GenericHost.objects.filter(resource__bundle=grb)
generic_hosts = self.repo_get(self.repo.GRESOURCE_BUNDLE_MODELS, {}).get("hosts", [])
return generic_hosts
def get_context(self):
context = super(Define_Software, self).get_context()
grb = self.repo_get(self.repo.SELECTED_GRESOURCE_BUNDLE, False)
if grb:
context["grb"] = grb
formset = self.create_hostformset(self.get_host_list(grb))
context["formset"] = formset
context['headnode'] = self.repo_get(self.repo.CONFIG_MODELS, {}).get("headnode_index", 1)
else:
context["error"] = "Please select a resource first"
self.set_invalid("Step requires information that is not yet provided by previous step")
return context
def post_render(self, request):
models = self.repo_get(self.repo.CONFIG_MODELS, {})
if "bundle" not in models:
models['bundle'] = ConfigBundle(owner=self.repo_get(self.repo.SESSION_USER))
confirm = self.repo_get(self.repo.CONFIRMATION, {})
hosts = self.get_host_list()
models['headnode_index'] = request.POST.get("headnode", 1)
formset = self.create_hostformset(hosts, data=request.POST)
has_headnode = False
if formset.is_valid():
models['host_configs'] = []
confirm_hosts = []
for i, form in enumerate(formset):
host = hosts[i]
image = form.cleaned_data['image']
headnode = form.cleaned_data['headnode']
if headnode:
has_headnode = True
bundle = models['bundle']
hostConfig = HostConfiguration(
host=host,
image=image,
bundle=bundle,
is_head_node=headnode
)
models['host_configs'].append(hostConfig)
confirm_hosts.append({
"name": host.resource.name,
"image": image.name,
"headnode": headnode
})
if not has_headnode:
self.set_invalid('Must have one "Headnode" per POD')
return self.render(request)
self.repo_put(self.repo.CONFIG_MODELS, models)
if "configuration" not in confirm:
confirm['configuration'] = {}
confirm['configuration']['hosts'] = confirm_hosts
self.repo_put(self.repo.CONFIRMATION, confirm)
self.set_valid("Completed")
else:
self.set_invalid("Please complete all fields")
return self.render(request)
class Config_Software(WorkflowStep):
template = 'config_bundle/steps/config_software.html'
title = "Other Info"
description = "Give your software config a name, description, and other stuff"
short_title = "config info"
def get_context(self):
context = super(Config_Software, self).get_context()
initial = {}
models = self.repo_get(self.repo.CONFIG_MODELS, {})
bundle = models.get("bundle", False)
if bundle:
initial['name'] = bundle.name
initial['description'] = bundle.description
context["form"] = BasicMetaForm(initial=initial)
return context
def post_render(self, request):
models = self.repo_get(self.repo.CONFIG_MODELS, {})
if "bundle" not in models:
models['bundle'] = ConfigBundle(owner=self.repo_get(self.repo.SESSION_USER))
confirm = self.repo_get(self.repo.CONFIRMATION, {})
if "configuration" not in confirm:
confirm['configuration'] = {}
form = BasicMetaForm(request.POST)
if form.is_valid():
models['bundle'].name = form.cleaned_data['name']
models['bundle'].description = form.cleaned_data['description']
confirm['configuration']['name'] = form.cleaned_data['name']
confirm['configuration']['description'] = form.cleaned_data['description']
self.set_valid("Complete")
else:
self.set_invalid("Please correct the errors shown below")
self.repo_put(self.repo.CONFIG_MODELS, models)
self.repo_put(self.repo.CONFIRMATION, confirm)
return self.render(request)
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