""" This is the view for Snapshots """ import json import os import shutil from datetime import datetime from uuid import UUID from flask import current_app as app from flask import g from sqlalchemy.util import OrderedSet from ereuse_devicehub.db import db from ereuse_devicehub.resources.action.models import Snapshot from ereuse_devicehub.resources.device.models import Computer from ereuse_devicehub.resources.device.sync import Sync from ereuse_devicehub.resources.enums import Severity, SnapshotSoftware from ereuse_devicehub.resources.user.exceptions import InsufficientPermission def save_json(req_json, tmp_snapshots, user, live=False): """ This function allow save a snapshot in json format un a TMP_SNAPSHOTS directory The file need to be saved with one name format with the stamptime and uuid joins """ uuid = req_json.get('uuid', '') now = datetime.now() year = now.year month = now.month day = now.day hour = now.hour minutes = now.minute name_file = f"{year}-{month}-{day}-{hour}-{minutes}_{user}_{uuid}.json" path_dir_base = os.path.join(tmp_snapshots, user) if live: path_dir_base = tmp_snapshots path_errors = os.path.join(path_dir_base, 'errors') path_fixeds = os.path.join(path_dir_base, 'fixeds') path_name = os.path.join(path_errors, name_file) if not os.path.isdir(path_dir_base): os.system(f'mkdir -p {path_errors}') os.system(f'mkdir -p {path_fixeds}') with open(path_name, 'w') as snapshot_file: snapshot_file.write(json.dumps(req_json)) return path_name def move_json(tmp_snapshots, path_name, user, live=False): """ This function move the json than it's correct """ path_dir_base = os.path.join(tmp_snapshots, user) if live: path_dir_base = tmp_snapshots if os.path.isfile(path_name): shutil.copy(path_name, path_dir_base) os.remove(path_name) class SnapshotMixin: sync = Sync() def build(self, snapshot_json=None, create_new_device=False): # noqa: C901 self.create_new_device = create_new_device if not snapshot_json: snapshot_json = self.snapshot_json device = snapshot_json.pop('device') # type: Computer components = None if snapshot_json['software'] == ( SnapshotSoftware.Workbench or SnapshotSoftware.WorkbenchAndroid ): components = snapshot_json.pop('components', None) snapshot = Snapshot(**snapshot_json) # Remove new actions from devices so they don't interfere with sync actions_device = set(e for e in device.actions_one) device.actions_one.clear() if components: actions_components = tuple( set(e for e in c.actions_one) for c in components ) for component in components: component.actions_one.clear() assert not device.actions_one assert all(not c.actions_one for c in components) if components else True db_device, remove_actions = self.sync.run( device, components, self.create_new_device ) del device # Do not use device anymore snapshot.device = db_device snapshot.actions |= remove_actions | actions_device # Set actions to snapshot # commit will change the order of the components by what # the DB wants. Let's get a copy of the list so we preserve order ordered_components = OrderedSet(x for x in snapshot.components) # Add the new actions to the db-existing devices and components db_device.actions_one |= actions_device if components: for component, actions in zip(ordered_components, actions_components): component.actions_one |= actions snapshot.actions |= actions if snapshot.software == SnapshotSoftware.Workbench: # Check ownership of (non-component) device to from current.user if db_device.owner_id != g.user.id: raise InsufficientPermission() elif snapshot.software == SnapshotSoftware.WorkbenchAndroid: pass # TODO try except to compute RateMobile # Check if HID is null and add Severity:Warning to Snapshot if snapshot.device.hid is None: snapshot.severity = Severity.Warning self.is_server_erase(snapshot) snapshot.device.set_hid() snapshot.device.binding.device.set_hid() snapshot.device.register_dlt() snapshot.register_passport_dlt() return snapshot def is_server_erase(self, snapshot): if snapshot.device.binding: if snapshot.device.binding.kangaroo: snapshot.is_server_erase = True def get_old_smbios_version(self, debug): capabilities = debug.get('lshw', {}).get('capabilities', {}) for x in capabilities.values(): if "SMBIOS version" in x: e = x.split("SMBIOS version ")[1].split(".") if int(e[0]) < 3 and int(e[1]) < 6: self.errors(txt=x) return True return False def get_uuid(self, debug): if not debug or not isinstance(debug, dict): self.errors(txt="There is not uuid") return if self.get_old_smbios_version(debug): return hw_uuid = debug.get('lshw', {}).get('configuration', {}).get('uuid') if not hw_uuid: self.errors(txt="There is not uuid") return uuid = UUID(hw_uuid) return UUID(bytes_le=uuid.bytes) def get_fields_extra(self, debug, snapshot_json): if not debug or not isinstance(debug, dict): return lshw = debug.get('lshw', {}) family = lshw.get('configuration', {}).get('family', '') snapshot_json['device']['family'] = family # lshw_mothers = [] # for mt in lshw.get('children', []): # if mt.get('description') == "Motherboard": # lshw_mothers.append(mt) # for comp in snapshot_json.get('components', []): # if comp.get('type') != 'Motherboard': # continue # for mt in lshw_mothers: # if comp['serialNumber'] == mt.get('serial', ''): # comp['vendor'] = mt.get('vendor', '') # comp['product'] = mt.get('product', '') # comp['version'] = mt.get('version', '') def errors(self, txt=None, severity=Severity.Error, snapshot=None, commit=False): if not txt: return from ereuse_devicehub.parser.models import SnapshotsLog error = SnapshotsLog( description=txt, snapshot_uuid=self.uuid, severity=severity, sid=self.sid, version=self.version, snapshot=snapshot, ) error.save(commit=commit) class SnapshotView(SnapshotMixin): """Performs a Snapshot. See `Snapshot` section in docs for more info. """ # Note that if we set the device / components into the snapshot # model object, when we flush them to the db we will flush # snapshot, and we want to wait to flush snapshot at the end def __init__(self, snapshot_json: dict, resource_def, schema): self.schema = schema self.resource_def = resource_def self.tmp_snapshots = app.config['TMP_SNAPSHOTS'] self.path_snapshot = save_json(snapshot_json, self.tmp_snapshots, g.user.email) self.version = snapshot_json.get('version') self.uuid = snapshot_json.get('uuid') self.sid = None self.debug = snapshot_json.pop('debug', {}) system_uuid = self.get_uuid(self.debug) if system_uuid: snapshot_json['device']['system_uuid'] = system_uuid self.get_fields_extra(self.debug, snapshot_json) try: self.snapshot_json = resource_def.schema.load(snapshot_json) snapshot = self.build() except Exception as err: txt = "{}".format(err) self.errors(txt=txt, commit=True) raise err db.session.add(snapshot) self.errors(txt="Ok", severity=Severity.Info, snapshot=snapshot, commit=False) db.session().final_flush() self.response = self.schema.jsonify(snapshot) # transform it back self.response.status_code = 201 db.session.commit() move_json(self.tmp_snapshots, self.path_snapshot, g.user.email) def post(self): return self.response