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_profile = None
  73             try:
  74                 host = GenericHost.objects.get(pk=host_data['host_id'])
  75                 host_profile = host.profile
  76             except Exception:
  77                 for host in hostlist:
  78                     if host.resource.name == host_data['host_name']:
  79                         host_profile = host.profile
  80                         break
  81             excluded_images = Image.objects.exclude(owner=user).exclude(public=True)
  82             excluded_images = excluded_images | Image.objects.exclude(host_type=host.profile)
  83             lab = self.repo_get(self.repo.SWCONF_SELECTED_GRB).lab
  84             excluded_images = excluded_images | Image.objects.exclude(from_lab=lab)
  85             filter_data["id_form-" + str(i) + "-image"] = []
  86             for image in excluded_images:
  87                 filter_data["id_form-" + str(i) + "-image"].append(image.name)
  88             i += 1
  89
  90         return host_formset, filter_data
  91
  92     def get_host_list(self, grb=None):
  93         if grb is None:
  94             grb = self.repo_get(self.repo.SWCONF_SELECTED_GRB, False)
  95             if not grb:
  96                 return []
  97         if grb.id:
  98             return GenericHost.objects.filter(resource__bundle=grb)
  99         generic_hosts = self.repo_get(self.repo.GRESOURCE_BUNDLE_MODELS, {}).get("hosts", [])
 100         return generic_hosts
 101
 102     def get_context(self):
 103         context = super(Define_Software, self).get_context()
 104
 105         grb = self.repo_get(self.repo.SWCONF_SELECTED_GRB, False)
 106
 107         if grb:
 108             context["grb"] = grb
 109             formset, filter_data = self.create_hostformset(self.get_host_list(grb))
 110             context["formset"] = formset
 111             context["filter_data"] = filter_data
 112         else:
 113             context["error"] = "Please select a resource first"
 114             self.metastep.set_invalid("Step requires information that is not yet provided by previous step")
 115
 116         return context
 117
 118     def post_render(self, request):
 119         models = self.repo_get(self.repo.CONFIG_MODELS, {})
 120         if "bundle" not in models:
 121             models['bundle'] = ConfigBundle(owner=self.repo_get(self.repo.SESSION_USER))
 122
 123         confirm = self.repo_get(self.repo.CONFIRMATION, {})
 124
 125         HostFormset = formset_factory(HostSoftwareDefinitionForm, extra=0)
 126         formset = HostFormset(request.POST)
 127         hosts = self.get_host_list()
 128         if formset.is_valid():
 129             models['host_configs'] = []
 130             i = 0
 131             confirm_hosts = []
 132             for form in formset:
 133                 host = hosts[i]
 134                 i += 1
 135                 image = form.cleaned_data['image']
 136                 # checks image compatability
 137                 grb = self.repo_get(self.repo.SWCONF_SELECTED_GRB)
 138                 lab = None
 139                 if grb:
 140                     lab = grb.lab
 141                 try:
 142                     owner = self.repo_get(self.repo.SESSION_USER)
 143                     q = Image.objects.filter(owner=owner) | Image.objects.filter(public=True)
 144                     q.filter(host_type=host.profile)
 145                     q.filter(from_lab=lab)
 146                     q.get(id=image.id)  # will throw exception if image is not in q
 147                 except:
 148                     self.metastep.set_invalid("Image " + image.name + " is not compatible with host " + host.resource.name)
 149                 role = form.cleaned_data['role']
 150                 bundle = models['bundle']
 151                 hostConfig = HostConfiguration(
 152                     host=host,
 153                     image=image,
 154                     bundle=bundle,
 155                     opnfvRole=role
 156                 )
 157                 models['host_configs'].append(hostConfig)
 158                 confirm_host = {"name": host.resource.name, "image": image.name, "role": role.name}
 159                 confirm_hosts.append(confirm_host)
 160
 161             self.repo_put(self.repo.CONFIG_MODELS, models)
 162             if "configuration" not in confirm:
 163                 confirm['configuration'] = {}
 164             confirm['configuration']['hosts'] = confirm_hosts
 165             self.repo_put(self.repo.CONFIRMATION, confirm)
 166             self.metastep.set_valid("Completed")
 167         else:
 168             self.metastep.set_invalid("Please complete all fields")
 169
 170         return self.render(request)
 171
 172
 173 class Config_Software(WorkflowStep):
 174     template = 'config_bundle/steps/config_software.html'
 175     form = SoftwareConfigurationForm
 176     context = {'workspace_form': form}
 177     title = "Other Info"
 178     description = "Give your software config a name, description, and other stuff"
 179     short_title = "config info"
 180
 181     def get_context(self):
 182         context = super(Config_Software, self).get_context()
 183
 184         initial = {}
 185         models = self.repo_get(self.repo.CONFIG_MODELS, {})
 186         bundle = models.get("bundle", False)
 187         if bundle:
 188             initial['name'] = bundle.name
 189             initial['description'] = bundle.description
 190         opnfv = models.get("opnfv", False)
 191         if opnfv:
 192             initial['installer'] = opnfv.installer
 193             initial['scenario'] = opnfv.scenario
 194         else:
 195             initial['opnfv'] = False
 196         supported = {}
 197         for installer in Installer.objects.all():
 198             supported[str(installer)] = []
 199             for scenario in installer.sup_scenarios.all():
 200                 supported[str(installer)].append(str(scenario))
 201
 202         context["form"] = SoftwareConfigurationForm(initial=initial)
 203         context['supported'] = supported
 204
 205         return context
 206
 207     def post_render(self, request):
 208         try:
 209             models = self.repo_get(self.repo.CONFIG_MODELS, {})
 210             if "bundle" not in models:
 211                 models['bundle'] = ConfigBundle(owner=self.repo_get(self.repo.SESSION_USER))
 212
 213             confirm = self.repo_get(self.repo.CONFIRMATION, {})
 214             if "configuration" not in confirm:
 215                 confirm['configuration'] = {}
 216
 217             form = self.form(request.POST)
 218             if form.is_valid():
 219                 models['bundle'].name = form.cleaned_data['name']
 220                 models['bundle'].description = form.cleaned_data['description']
 221                 if form.cleaned_data['opnfv']:
 222                     installer = form.cleaned_data['installer']
 223                     scenario = form.cleaned_data['scenario']
 224                     opnfv = OPNFVConfig(
 225                         bundle=models['bundle'],
 226                         installer=installer,
 227                         scenario=scenario
 228                     )
 229                     models['opnfv'] = opnfv
 230                     confirm['configuration']['installer'] = form.cleaned_data['installer'].name
 231                     confirm['configuration']['scenario'] = form.cleaned_data['scenario'].name
 232
 233                 confirm['configuration']['name'] = form.cleaned_data['name']
 234                 confirm['configuration']['description'] = form.cleaned_data['description']
 235                 self.metastep.set_valid("Complete")
 236             else:
 237                 self.metastep.set_invalid("Please correct the errors shown below")
 238
 239             self.repo_put(self.repo.CONFIG_MODELS, models)
 240             self.repo_put(self.repo.CONFIRMATION, confirm)
 241
 242         except Exception:
 243             pass
 244         return self.render(request)