1 ##############################################################################
2 # Copyright (c) 2018 Sawyer Bergeron, Parker Berberian, and others.
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 ##############################################################################
11 from django.http import JsonResponse
13 from booking.models import Booking
14 from workflow.workflow_factory import WorkflowFactory
15 from workflow.models import Repository
16 from resource_inventory.models import (
17 GenericResourceBundle,
24 logger = logging.getLogger(__name__)
27 class SessionManager():
28 def active_workflow(self):
29 return self.workflows[-1]
31 def __init__(self, request=None):
34 self.owner = request.user
36 self.factory = WorkflowFactory()
38 def add_workflow(self, workflow_type=None, target_id=None, **kwargs):
39 if target_id is not None:
40 self.prefill_repo(target_id, workflow_type)
43 if(len(self.workflows) >= 1):
44 defaults = self.workflows[-1].repository.get_child_defaults()
45 repo.set_defaults(defaults)
46 repo.el[repo.HAS_RESULT] = False
47 repo.el[repo.SESSION_USER] = self.owner
48 self.workflows.append(
49 self.factory.create_workflow(
50 workflow_type=workflow_type,
55 def pop_workflow(self):
56 if(len(self.workflows) <= 1):
59 if self.workflows[-1].repository.el[self.workflows[-1].repository.HAS_RESULT]:
60 key = self.workflows[-1].repository.el[self.workflows[-1].repository.RESULT_KEY]
61 result = self.workflows[-1].repository.el[self.workflows[-1].repository.RESULT]
62 self.workflows[-2].repository.el[key] = result
66 def status(self, request):
69 for step in self.active_workflow().metasteps:
70 meta_steps.append(step.to_json())
72 responsejson["steps"] = meta_steps
73 responsejson["active"] = self.active_workflow().repository.el['active_step']
74 responsejson["workflow_count"] = len(self.workflows)
75 return JsonResponse(responsejson, safe=False)
79 def render(self, request, **kwargs):
80 # filter out when a step needs to handle post/form data
81 # if 'workflow' in post data, this post request was meant for me, not step
82 if request.method == 'POST' and request.POST.get('workflow', None) is None:
83 return self.active_workflow().steps[self.active_workflow().active_index].post_render(request)
84 return self.active_workflow().steps[self.active_workflow().active_index].render(request)
86 def post_render(self, request):
87 return self.active_workflow().steps[self.active_workflow().active_index].post_render(request)
89 def goto(self, num, **kwargs):
90 self.active_workflow().repository.el['active_step'] = int(num)
91 self.active_workflow().active_index = int(num)
92 # TODO: change to include some checking
94 def prefill_repo(self, target_id, workflow_type):
95 self.repository.el[self.repository.EDIT] = True
97 if workflow_type == 0:
98 edit_object = Booking.objects.get(pk=target_id)
99 self.prefill_booking(edit_object)
100 elif workflow_type == 1:
101 edit_object = GenericResourceBundle.objects.get(pk=target_id)
102 self.prefill_resource(edit_object)
103 elif workflow_type == 2:
104 edit_object = ConfigBundle.objects.get(pk=target_id)
105 self.prefill_config(edit_object)
107 def prefill_booking(self, booking):
108 models = self.make_booking_models(booking)
109 confirmation = self.make_booking_confirm(booking)
110 self.active_workflow().repository.el[self.active_workflow().repository.BOOKING_MODELS] = models
111 self.active_workflow().repository.el[self.active_workflow().repository.CONFIRMATION] = confirmation
112 self.active_workflow().repository.el[self.active_workflow().repository.GRESOURCE_BUNDLE_MODELS] = self.make_grb_models(booking.resource.template)
113 self.active_workflow().repository.el[self.active_workflow().repository.SELECTED_GRESOURCE_BUNDLE] = self.make_grb_models(booking.resource.template)['bundle']
114 self.active_workflow().repository.el[self.active_workflow().repository.CONFIG_MODELS] = self.make_config_models(booking.config_bundle)
116 def prefill_resource(self, resource):
117 models = self.make_grb_models(resource)
118 confirm = self.make_grb_confirm(resource)
119 self.active_workflow().repository.el[self.active_workflow().repository.GRESOURCE_BUNDLE_MODELS] = models
120 self.active_workflow().repository.el[self.active_workflow().repository.CONFIRMATION] = confirm
122 def prefill_config(self, config):
123 models = self.make_config_models(config)
124 confirm = self.make_config_confirm(config)
125 self.active_workflow().repository.el[self.active_workflow().repository.CONFIG_MODELS] = models
126 self.active_workflow().repository.el[self.active_workflow().repository.CONFIRMATION] = confirm
127 grb_models = self.make_grb_models(config.bundle)
128 self.active_workflow().repository.el[self.active_workflow().repository.GRESOURCE_BUNDLE_MODELS] = grb_models
130 def make_grb_models(self, resource):
131 models = self.active_workflow().repository.el.get(self.active_workflow().repository.GRESOURCE_BUNDLE_MODELS, {})
133 models['bundle'] = resource
134 models['interfaces'] = {}
136 for host in resource.getHosts():
137 models['hosts'].append(host)
138 models['interfaces'][host.resource.name] = []
139 models['vlans'][host.resource.name] = {}
140 for interface in host.generic_interfaces.all():
141 models['interfaces'][host.resource.name].append(interface)
142 models['vlans'][host.resource.name][interface.profile.name] = []
143 for vlan in interface.vlans.all():
144 models['vlans'][host.resource.name][interface.profile.name].append(vlan)
147 def make_grb_confirm(self, resource):
148 confirm = self.active_workflow().repository.el.get(self.active_workflow().repository.CONFIRMATION, {})
149 confirm['resource'] = {}
150 confirm['resource']['hosts'] = []
151 confirm['resource']['lab'] = resource.lab.lab_user.username
152 for host in resource.getHosts():
153 confirm['resource']['hosts'].append({"name": host.resource.name, "profile": host.profile.name})
156 def make_config_models(self, config):
157 models = self.active_workflow().repository.el.get(self.active_workflow().repository.CONFIG_MODELS, {})
158 models['bundle'] = config
159 models['host_configs'] = []
160 for host_conf in HostConfiguration.objects.filter(bundle=config):
161 models['host_configs'].append(host_conf)
162 models['opnfv'] = OPNFVConfig.objects.filter(bundle=config).last()
165 def make_config_confirm(self, config):
166 confirm = self.active_workflow().repository.el.get(self.active_workflow().repository.CONFIRMATION, {})
167 confirm['configuration'] = {}
168 confirm['configuration']['hosts'] = []
169 confirm['configuration']['name'] = config.name
170 confirm['configuration']['description'] = config.description
171 opnfv = OPNFVConfig.objects.filter(bundle=config).last()
172 confirm['configuration']['installer'] = opnfv.installer.name
173 confirm['configuration']['scenario'] = opnfv.scenario.name
174 for host_conf in HostConfiguration.objects.filter(bundle=config):
175 h = {"name": host_conf.host.resource.name, "image": host_conf.image.name, "role": host_conf.opnfvRole.name}
176 confirm['configuration']['hosts'].append(h)
179 def make_booking_models(self, booking):
180 models = self.active_workflow().repository.el.get(self.active_workflow().repository.BOOKING_MODELS, {})
181 models['booking'] = booking
182 models['collaborators'] = []
183 for user in booking.collaborators.all():
184 models['collaborators'].append(user)
187 def make_booking_confirm(self, booking):
188 confirm = self.active_workflow().repository.el.get(self.active_workflow().repository.CONFIRMATION, {})
189 confirm['booking'] = {}
190 confirm['booking']['length'] = (booking.end - booking.start).days
191 confirm['booking']['project'] = booking.project
192 confirm['booking']['purpose'] = booking.purpose
193 confirm['booking']['resource name'] = booking.resource.template.name
194 confirm['booking']['configuration name'] = booking.config_bundle.name
195 confirm['booking']['collaborators'] = []
196 for user in booking.collaborators.all():
197 confirm['booking']['collaborators'].append(user.username)
201 class ManagerTracker():
211 if ManagerTracker.instance is None:
212 ManagerTracker.instance = ManagerTracker()
213 return ManagerTracker.instance