229 lines
8.0 KiB
Python
229 lines
8.0 KiB
Python
""" This is the view for Snapshots """
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from datetime import timedelta
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from distutils.version import StrictVersion
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from uuid import UUID
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import jwt
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from flask import current_app as app, request, g
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from teal.db import ResourceNotFound
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from teal.marshmallow import ValidationError
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from teal.resource import View
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from ereuse_devicehub.db import db
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from ereuse_devicehub.query import things_response
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from ereuse_devicehub.resources.action.models import (Action, Snapshot, VisualTest,
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InitTransfer, Live, Allocate, Deallocate,
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Trade, Confirm, ConfirmRevoke, Revoke)
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from ereuse_devicehub.resources.action.views import trade as trade_view
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from ereuse_devicehub.resources.action.views.snapshot import SnapshotView, save_json, move_json
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from ereuse_devicehub.resources.device.models import Device, Computer, DataStorage
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from ereuse_devicehub.resources.enums import Severity
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SUPPORTED_WORKBENCH = StrictVersion('11.0')
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class AllocateMix():
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model = None
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def post(self):
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""" Create one res_obj """
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res_json = request.get_json()
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res_obj = self.model(**res_json)
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db.session.add(res_obj)
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db.session().final_flush()
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ret = self.schema.jsonify(res_obj)
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ret.status_code = 201
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db.session.commit()
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return ret
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def find(self, args: dict):
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res_objs = self.model.query.filter_by(author=g.user) \
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.order_by(self.model.created.desc()) \
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.paginate(per_page=200)
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return things_response(
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self.schema.dump(res_objs.items, many=True, nested=0),
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res_objs.page, res_objs.per_page, res_objs.total,
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res_objs.prev_num, res_objs.next_num
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)
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class AllocateView(AllocateMix, View):
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model = Allocate
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class DeallocateView(AllocateMix, View):
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model = Deallocate
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class LiveView(View):
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def post(self):
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"""Posts an action."""
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res_json = request.get_json(validate=False)
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tmp_snapshots = app.config['TMP_LIVES']
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path_live = save_json(res_json, tmp_snapshots, '', live=True)
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res_json.pop('debug', None)
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res_json.pop('elapsed', None)
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res_json.pop('os', None)
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res_json_valid = self.schema.load(res_json)
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live = self.live(res_json_valid)
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db.session.add(live)
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db.session().final_flush()
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ret = self.schema.jsonify(live)
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ret.status_code = 201
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db.session.commit()
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move_json(tmp_snapshots, path_live, '', live=True)
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return ret
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def get_hdd_details(self, snapshot, device):
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"""We get the liftime and serial_number of the disk"""
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usage_time_hdd = None
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serial_number = None
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components = [c for c in snapshot['components']]
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components.sort(key=lambda x: x.created)
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for hd in components:
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if not isinstance(hd, DataStorage):
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continue
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serial_number = hd.serial_number
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for act in hd.actions:
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if not act.type == "TestDataStorage":
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continue
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usage_time_hdd = act.lifetime
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break
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if usage_time_hdd:
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break
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if not serial_number:
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"""There aren't any disk"""
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raise ResourceNotFound("There aren't any disk in this device {}".format(device))
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return usage_time_hdd, serial_number
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def get_hid(self, snapshot):
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device = snapshot.get('device') # type: Computer
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components = snapshot.get('components')
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if not device:
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return None
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if not components:
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return device.hid
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macs = [c.serial_number for c in components
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if c.type == 'NetworkAdapter' and c.serial_number is not None]
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macs.sort()
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mac = ''
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hid = device.hid
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if not hid:
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return hid
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if macs:
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mac = "-{mac}".format(mac=macs[0])
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hid += mac
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return hid
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def live(self, snapshot):
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"""If the device.allocated == True, then this snapshot create an action live."""
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hid = self.get_hid(snapshot)
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if not hid or not Device.query.filter(
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Device.hid == hid).count():
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raise ValidationError('Device not exist.')
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device = Device.query.filter(
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Device.hid == hid, Device.allocated == True).one()
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# Is not necessary
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if not device:
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raise ValidationError('Device not exist.')
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if not device.allocated:
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raise ValidationError('Sorry this device is not allocated.')
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usage_time_hdd, serial_number = self.get_hdd_details(snapshot, device)
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data_live = {'usage_time_hdd': usage_time_hdd,
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'serial_number': serial_number,
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'snapshot_uuid': snapshot['uuid'],
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'description': '',
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'software': snapshot['software'],
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'software_version': snapshot['version'],
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'licence_version': snapshot['licence_version'],
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'author_id': device.owner_id,
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'agent_id': device.owner.individual.id,
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'device': device}
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live = Live(**data_live)
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if not usage_time_hdd:
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warning = f"We don't found any TestDataStorage for disk sn: {serial_number}"
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live.severity = Severity.Warning
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live.description = warning
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return live
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live.sort_actions()
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diff_time = live.diff_time()
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if diff_time is None:
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warning = "Don't exist one previous live or snapshot as reference"
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live.description += warning
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live.severity = Severity.Warning
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elif diff_time < timedelta(0):
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warning = "The difference with the last live/snapshot is negative"
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live.description += warning
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live.severity = Severity.Warning
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return live
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class ActionView(View):
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def post(self):
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"""Posts an action."""
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json = request.get_json(validate=False)
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if not json:
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raise ValidationError('Post request needs a json.')
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elif 'type' not in json:
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# JN TODO Use the user's key instead an empty string
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key = ''
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json = jwt.decode(json, key, algorithms="HS256")
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# todo there should be a way to better get subclassess resource
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# defs
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resource_def = app.resources[json['type']]
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if json['type'] == Snapshot.t:
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snapshot = SnapshotView(json, resource_def, self.schema)
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return snapshot.post()
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if json['type'] == VisualTest.t:
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pass
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# TODO JN add compute rate with new visual test and old components device
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if json['type'] == InitTransfer.t:
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return self.transfer_ownership()
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if json['type'] == Trade.t:
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trade = trade_view.TradeView(json, resource_def, self.schema)
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return trade.post()
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if json['type'] == Confirm.t:
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confirm = trade_view.ConfirmView(json, resource_def, self.schema)
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return confirm.post()
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if json['type'] == Revoke.t:
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revoke = trade_view.RevokeView(json, resource_def, self.schema)
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return revoke.post()
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if json['type'] == ConfirmRevoke.t:
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confirm_revoke = trade_view.ConfirmRevokeView(json, resource_def, self.schema)
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return confirm_revoke.post()
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a = resource_def.schema.load(json)
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Model = db.Model._decl_class_registry.data[json['type']]()
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action = Model(**a)
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db.session.add(action)
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db.session().final_flush()
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ret = self.schema.jsonify(action)
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ret.status_code = 201
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db.session.commit()
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return ret
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def one(self, id: UUID):
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"""Gets one action."""
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action = Action.query.filter_by(id=id).one()
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return self.schema.jsonify(action)
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def transfer_ownership(self):
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"""Perform a InitTransfer action to change author_id of device"""
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pass
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