dashboard/src/workflow/sw_bundle_workflow.py

   1 ##############################################################################
   2 # Copyright (c) 2018 Sawyer Bergeron, Parker Berberian, and others.
   3 #
   4 # All rights reserved. This program and the accompanying materials
   5 # are made available under the terms of the Apache License, Version 2.0
   6 # which accompanies this distribution, and is available at
   7 # http://www.apache.org/licenses/LICENSE-2.0
   8 ##############################################################################
   9
  10
  11 from django.forms import formset_factory
  12
  13 from workflow.models import WorkflowStep
  14 from workflow.forms import SoftwareConfigurationForm, HostSoftwareDefinitionForm
  15 from workflow.booking_workflow import Resource_Select
  16 from resource_inventory.models import Image, GenericHost, ConfigBundle, HostConfiguration, Installer, OPNFVConfig
  17
  18
  19 # resource selection step is reused from Booking workflow
  20 class SWConf_Resource_Select(Resource_Select):
  21     def __init__(self, *args, **kwargs):
  22         super(SWConf_Resource_Select, self).__init__(*args, **kwargs)
  23         self.repo_key = self.repo.SWCONF_SELECTED_GRB
  24         self.confirm_key = "configuration"
  25
  26     def get_default_entry(self):
  27         booking_grb = self.repo_get(self.repo.BOOKING_SELECTED_GRB)
  28         if booking_grb:
  29             return booking_grb
  30         created_grb = self.repo_get(self.repo.GRESOURCE_BUNDLE_MODELS, {}).get("bundle", None)
  31         return created_grb
  32
  33     def post_render(self, request):
  34         response = super(SWConf_Resource_Select, self).post_render(request)
  35         models = self.repo_get(self.repo.CONFIG_MODELS, {})
  36         bundle = models.get("bundle", ConfigBundle(owner=self.repo_get(self.repo.SESSION_USER)))
  37         bundle.bundle = self.repo_get(self.repo_key)  # super put grb here
  38         models['bundle'] = bundle
  39         self.repo_put(self.repo.CONFIG_MODELS, models)
  40         return response
  41
  42
  43 class Define_Software(WorkflowStep):
  44     template = 'config_bundle/steps/define_software.html'
  45     title = "Pick Software"
  46     description = "Choose the opnfv and image of your machines"
  47     short_title = "host config"
  48
  49     def create_hostformset(self, hostlist):
  50         hosts_initial = []
  51         host_configs = self.repo_get(self.repo.CONFIG_MODELS, {}).get("host_configs", False)
  52         if host_configs:
  53             for config in host_configs:
  54                 host_initial = {'host_id': config.host.id, 'host_name': config.host.resource.name}
  55                 host_initial['role'] = config.opnfvRole
  56                 host_initial['image'] = config.image
  57                 hosts_initial.append(host_initial)
  58
  59         else:
  60             for host in hostlist:
  61                 host_initial = {'host_id': host.id, 'host_name': host.resource.name}
  62
  63                 hosts_initial.append(host_initial)
  64
  65         HostFormset = formset_factory(HostSoftwareDefinitionForm, extra=0)
  66         host_formset = HostFormset(initial=hosts_initial)
  67
  68         filter_data = {}
  69         user = self.repo_get(self.repo.SESSION_USER)
  70         i = 0
  71         for host_data in hosts_initial:
  72             host = GenericHost.objects.get(pk=host_data['host_id'])
  73             excluded_images = Image.objects.exclude(owner=user).exclude(public=True)
  74             excluded_images = excluded_images | Image.objects.exclude(host_type=host.profile)
  75             lab = self.repo_get(self.repo.SWCONF_SELECTED_GRB).lab
  76             excluded_images = excluded_images | Image.objects.exclude(from_lab=lab)
  77             filter_data["id_form-" + str(i) + "-image"] = []
  78             for image in excluded_images:
  79                 filter_data["id_form-" + str(i) + "-image"].append(image.name)
  80             i += 1
  81
  82         return host_formset, filter_data
  83
  84     def get_host_list(self, grb=None):
  85         if grb is None:
  86             grb = self.repo_get(self.repo.SWCONF_SELECTED_GRB, False)
  87             if not grb:
  88                 return []
  89         if grb.id:
  90             return GenericHost.objects.filter(resource__bundle=grb)
  91         generic_hosts = self.repo_get(self.repo.GRESOURCE_BUNDLE_MODELS, {}).get("hosts", [])
  92         return generic_hosts
  93
  94     def get_context(self):
  95         context = super(Define_Software, self).get_context()
  96
  97         grb = self.repo_get(self.repo.SWCONF_SELECTED_GRB, False)
  98
  99         if grb:
 100             context["grb"] = grb
 101             formset, filter_data = self.create_hostformset(self.get_host_list(grb))
 102             context["formset"] = formset
 103             context["filter_data"] = filter_data
 104         else:
 105             context["error"] = "Please select a resource first"
 106             self.metastep.set_invalid("Step requires information that is not yet provided by previous step")
 107
 108         return context
 109
 110     def post_render(self, request):
 111         models = self.repo_get(self.repo.CONFIG_MODELS, {})
 112         if "bundle" not in models:
 113             models['bundle'] = ConfigBundle(owner=self.repo_get(self.repo.SESSION_USER))
 114
 115         confirm = self.repo_get(self.repo.CONFIRMATION, {})
 116
 117         HostFormset = formset_factory(HostSoftwareDefinitionForm, extra=0)
 118         formset = HostFormset(request.POST)
 119         hosts = self.get_host_list()
 120         if formset.is_valid():
 121             models['host_configs'] = []
 122             i = 0
 123             confirm_hosts = []
 124             for form in formset:
 125                 host = hosts[i]
 126                 i += 1
 127                 image = form.cleaned_data['image']
 128                 # checks image compatability
 129                 grb = self.repo_get(self.repo.SWCONF_SELECTED_GRB)
 130                 lab = None
 131                 if grb:
 132                     lab = grb.lab
 133                 try:
 134                     owner = self.repo_get(self.repo.SESSION_USER)
 135                     q = Image.objects.filter(owner=owner) | Image.objects.filter(public=True)
 136                     q.filter(host_type=host.profile)
 137                     q.filter(from_lab=lab)
 138                     q.get(id=image.id)  # will throw exception if image is not in q
 139                 except:
 140                     self.metastep.set_invalid("Image " + image.name + " is not compatible with host " + host.resource.name)
 141                 role = form.cleaned_data['role']
 142                 bundle = models['bundle']
 143                 hostConfig = HostConfiguration(
 144                     host=host,
 145                     image=image,
 146                     bundle=bundle,
 147                     opnfvRole=role
 148                 )
 149                 models['host_configs'].append(hostConfig)
 150                 confirm_host = {"name": host.resource.name, "image": image.name, "role": role.name}
 151                 confirm_hosts.append(confirm_host)
 152
 153             self.repo_put(self.repo.CONFIG_MODELS, models)
 154             if "configuration" not in confirm:
 155                 confirm['configuration'] = {}
 156             confirm['configuration']['hosts'] = confirm_hosts
 157             self.repo_put(self.repo.CONFIRMATION, confirm)
 158             self.metastep.set_valid("Completed")
 159         else:
 160             self.metastep.set_invalid("Please complete all fields")
 161
 162         return self.render(request)
 163
 164
 165 class Config_Software(WorkflowStep):
 166     template = 'config_bundle/steps/config_software.html'
 167     form = SoftwareConfigurationForm
 168     context = {'workspace_form': form}
 169     title = "Other Info"
 170     description = "Give your software config a name, description, and other stuff"
 171     short_title = "config info"
 172
 173     def get_context(self):
 174         context = super(Config_Software, self).get_context()
 175
 176         initial = {}
 177         models = self.repo_get(self.repo.CONFIG_MODELS, {})
 178         bundle = models.get("bundle", False)
 179         if bundle:
 180             initial['name'] = bundle.name
 181             initial['description'] = bundle.description
 182         opnfv = models.get("opnfv", False)
 183         if opnfv:
 184             initial['installer'] = opnfv.installer
 185             initial['scenario'] = opnfv.scenario
 186         else:
 187             initial['opnfv'] = False
 188         supported = {}
 189         for installer in Installer.objects.all():
 190             supported[str(installer)] = []
 191             for scenario in installer.sup_scenarios.all():
 192                 supported[str(installer)].append(str(scenario))
 193
 194         context["form"] = SoftwareConfigurationForm(initial=initial)
 195         context['supported'] = supported
 196
 197         return context
 198
 199     def post_render(self, request):
 200         try:
 201             models = self.repo_get(self.repo.CONFIG_MODELS, {})
 202             if "bundle" not in models:
 203                 models['bundle'] = ConfigBundle(owner=self.repo_get(self.repo.SESSION_USER))
 204
 205             confirm = self.repo_get(self.repo.CONFIRMATION, {})
 206             if "configuration" not in confirm:
 207                 confirm['configuration'] = {}
 208
 209             form = self.form(request.POST)
 210             if form.is_valid():
 211                 models['bundle'].name = form.cleaned_data['name']
 212                 models['bundle'].description = form.cleaned_data['description']
 213                 if form.cleaned_data['opnfv']:
 214                     installer = form.cleaned_data['installer']
 215                     scenario = form.cleaned_data['scenario']
 216                     opnfv = OPNFVConfig(
 217                         bundle=models['bundle'],
 218                         installer=installer,
 219                         scenario=scenario
 220                     )
 221                     models['opnfv'] = opnfv
 222                     confirm['configuration']['installer'] = form.cleaned_data['installer'].name
 223                     confirm['configuration']['scenario'] = form.cleaned_data['scenario'].name
 224
 225                 confirm['configuration']['name'] = form.cleaned_data['name']
 226                 confirm['configuration']['description'] = form.cleaned_data['description']
 227                 self.metastep.set_valid("Complete")
 228             else:
 229                 self.metastep.set_invalid("Please correct the errors shown below")
 230
 231             self.repo_put(self.repo.CONFIG_MODELS, models)
 232             self.repo_put(self.repo.CONFIRMATION, confirm)
 233
 234         except Exception:
 235             pass
 236         return self.render(request)