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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, modelformset_factory
from workflow.models import WorkflowStep
from workflow.forms import SoftwareConfigurationForm, HostSoftwareDefinitionForm
from workflow.booking_workflow import Resource_Select
from resource_inventory.models import *
#resource selection step is reused from Booking workflow
#TODO: change this: too hacky, just for presentation
class SWConf_Resource_Select(Resource_Select):
def __init__(self, *args, **kwargs):
super(SWConf_Resource_Select, self).__init__(*args, **kwargs)
self.repo_key = self.repo.SWCONF_SELECTED_GRB
self.confirm_key = "configuration"
def get_default_entry(self):
booking_grb = self.repo_get(self.repo.BOOKING_SELECTED_GRB)
if booking_grb:
return booking_grb
created_grb = self.repo_get(self.repo.GRESOURCE_BUNDLE_MODELS, {}).get("bundle", None)
return created_grb
def post_render(self, request):
response = super(SWConf_Resource_Select, self).post_render(request)
models = self.repo_get(self.repo.CONFIG_MODELS, {})
bundle = models.get("bundle", ConfigBundle(owner=self.repo_get(self.repo.SESSION_USER)))
bundle.bundle = self.repo_get(self.repo_key) # super put grb here
models['bundle'] = bundle
self.repo_put(self.repo.CONFIG_MODELS, models)
return response
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 create_hostformset(self, hostlist):
hosts_initial = []
host_configs = self.repo_get(self.repo.CONFIG_MODELS, {}).get("host_configs", False)
if host_configs:
for config in host_configs:
host_initial = {'host_id': config.host.id, 'host_name': config.host.resource.name}
host_initial['role'] = config.opnfvRole
host_initial['image'] = config.image
hosts_initial.append(host_initial)
else:
for host in hostlist:
host_initial = {'host_id': host.id, 'host_name': host.resource.name}
hosts_initial.append(host_initial)
HostFormset = formset_factory(HostSoftwareDefinitionForm, extra=0)
host_formset = HostFormset(initial=hosts_initial)
filter_data = {}
user = self.repo_get(self.repo.SESSION_USER)
i=0;
for host_data in hosts_initial:
host = GenericHost.objects.get(pk=host_data['host_id'])
excluded_images = Image.objects.exclude(owner=user).exclude(public=True)
excluded_images = excluded_images | Image.objects.exclude(host_type=host.profile)
lab = self.repo_get(self.repo.SWCONF_SELECTED_GRB).lab
excluded_images = excluded_images | Image.objects.exclude(from_lab=lab)
filter_data["id_form-" + str(i) + "-image"] = []
for image in excluded_images:
filter_data["id_form-" + str(i) + "-image"].append(image.name)
i += 1
return host_formset, filter_data
def get_host_list(self, grb=None):
if grb is None:
grb = self.repo_get(self.repo.SWCONF_SELECTED_GRB, 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.SWCONF_SELECTED_GRB, False)
if grb:
context["grb"] = grb
formset, filter_data = self.create_hostformset(self.get_host_list(grb))
context["formset"] = formset
context["filter_data"] = filter_data
else:
context["error"] = "Please select a resource first"
self.metastep.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, {})
HostFormset = formset_factory(HostSoftwareDefinitionForm, extra=0)
formset = HostFormset(request.POST)
hosts = self.get_host_list()
if formset.is_valid():
models['host_configs'] = []
i = 0
confirm_hosts = []
for form in formset:
host = hosts[i]
i += 1
image = form.cleaned_data['image']
# checks image compatability
grb = self.repo_get(self.repo.SWCONF_SELECTED_GRB)
lab = None
if grb:
lab = grb.lab
try:
owner = self.repo_get(self.repo.SESSION_USER)
q = Image.objects.filter(owner=owner) | Image.objects.filter(public=True)
q.filter(host_type=host.profile)
q.filter(from_lab=lab)
q.get(id=image.id) # will throw exception if image is not in q
except:
self.metastep.set_invalid("Image " + image.name + " is not compatible with host " + host.resource.name)
role = form.cleaned_data['role']
bundle = models['bundle']
hostConfig = HostConfiguration(
host=host,
image=image,
bundle=bundle,
opnfvRole=role
)
models['host_configs'].append(hostConfig)
confirm_host = {"name": host.resource.name, "image": image.name, "role": role.name}
confirm_hosts.append(confirm_host)
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.metastep.set_valid("Completed")
else:
self.metastep.set_invalid("Please complete all fields")
return self.render(request)
class Config_Software(WorkflowStep):
template = 'config_bundle/steps/config_software.html'
form = SoftwareConfigurationForm
context = {'workspace_form':form}
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
opnfv = models.get("opnfv", False)
if opnfv:
initial['installer'] = opnfv.installer
initial['scenario'] = opnfv.scenario
else:
initial['opnfv'] = False
supported = {}
for installer in Installer.objects.all():
supported[str(installer)] = []
for scenario in installer.sup_scenarios.all():
supported[str(installer)].append(str(scenario))
context["form"] = SoftwareConfigurationForm(initial=initial)
context['supported'] = supported
return context
def post_render(self, request):
try:
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 = self.form(request.POST)
if form.is_valid():
models['bundle'].name = form.cleaned_data['name']
models['bundle'].description = form.cleaned_data['description']
if form.cleaned_data['opnfv']:
installer = form.cleaned_data['installer']
scenario = form.cleaned_data['scenario']
opnfv = OPNFVConfig(
bundle=models['bundle'],
installer=installer,
scenario=scenario
)
models['opnfv'] = opnfv
confirm['configuration']['installer'] = form.cleaned_data['installer'].name
confirm['configuration']['scenario'] = form.cleaned_data['scenario'].name
confirm['configuration']['name'] = form.cleaned_data['name']
confirm['configuration']['description'] = form.cleaned_data['description']
self.metastep.set_valid("Complete")
else:
self.metastep.set_invalid("Please correct the errors shown below")
self.repo_put(self.repo.CONFIG_MODELS, models)
self.repo_put(self.repo.CONFIRMATION, confirm)
except Exception as e:
pass
return self.render(request)
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