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devicehub-teal/ereuse_devicehub/devicehub.py

229 lines
7.4 KiB
Python

import os
import uuid
from typing import Type
import boltons.urlutils
import click
import click_spinner
import ereuse_utils.cli
from ereuse_utils.session import DevicehubClient
from flask import _app_ctx_stack, g
from flask_login import LoginManager, current_user
from flask_sqlalchemy import SQLAlchemy
from teal.db import ResourceNotFound, SchemaSQLAlchemy
from teal.teal import Teal
from ereuse_devicehub.auth import Auth
from ereuse_devicehub.client import Client, UserClient
# from ereuse_devicehub.commands.reports import Report
from ereuse_devicehub.commands.users import GetToken
from ereuse_devicehub.config import DevicehubConfig
from ereuse_devicehub.db import db
from ereuse_devicehub.dummy.dummy import Dummy
from ereuse_devicehub.resources.device.search import DeviceSearch
from ereuse_devicehub.resources.inventory import Inventory, InventoryDef
from ereuse_devicehub.resources.user.models import User
from ereuse_devicehub.templating import Environment
class Devicehub(Teal):
test_client_class = Client
Dummy = Dummy
# Report = Report
jinja_environment = Environment
def __init__(
self,
inventory: str,
config: DevicehubConfig = DevicehubConfig(),
db: SQLAlchemy = db,
import_name=__name__.split('.')[0],
static_url_path=None,
static_folder='static',
static_host=None,
host_matching=False,
subdomain_matching=False,
template_folder='templates',
instance_path=None,
instance_relative_config=False,
root_path=None,
Auth: Type[Auth] = Auth,
):
assert inventory
super().__init__(
config,
db,
inventory,
import_name,
static_url_path,
static_folder,
static_host,
host_matching,
subdomain_matching,
template_folder,
instance_path,
instance_relative_config,
root_path,
False,
Auth,
)
self.id = inventory
"""The Inventory ID of this instance. In Teal is the app.schema."""
self.dummy = Dummy(self)
# self.report = Report(self)
self.get_token = GetToken(self)
@self.cli.group(
short_help='Inventory management.',
help='Manages the inventory {}.'.format(os.environ.get('dhi')),
)
def inv():
pass
inv.command('add')(self.init_db)
inv.command('del')(self.delete_inventory)
inv.command('search')(self.regenerate_search)
self.before_request(self._prepare_request)
self.configure_extensions()
def configure_extensions(self):
# configure Flask-Login
login_manager = LoginManager()
login_manager.init_app(self)
login_manager.login_view = "core.login"
@login_manager.user_loader
def load_user(user_id):
# TODO(@slamora) refactor when teal library has been drop.
# `load_user` expects None if the user ID is invalid or the
# session has expired so we need to handle Exception raised
# by teal (it's overriding default behaviour of flask-sqlalchemy
# which already returns None)
try:
return User.query.get(user_id)
except ResourceNotFound:
return None
# noinspection PyMethodOverriding
@click.option(
'--name', '-n', default='Test 1', help='The human name of the inventory.'
)
@click.option(
'--org-name',
'-on',
default='My Organization',
help='The name of the default organization that owns this inventory.',
)
@click.option(
'--org-id', '-oi', default='foo-bar', help='The Tax ID of the organization.'
)
@click.option(
'--tag-url',
'-tu',
type=ereuse_utils.cli.URL(scheme=True, host=True, path=False),
default='http://example.com',
help='The base url (scheme and host) of the tag provider.',
)
@click.option(
'--tag-token',
'-tt',
type=click.UUID,
default='899c794e-1737-4cea-9232-fdc507ab7106',
help='The token provided by the tag provider. It is an UUID.',
)
@click.option(
'--erase/--no-erase',
default=False,
help='Delete the schema before? '
'If --common is set this includes the common database.',
)
@click.option(
'--common/--no-common',
default=False,
help='Creates common databases. Only execute if the database is empty.',
)
def init_db(
self,
name: str,
org_name: str,
org_id: str,
tag_url: boltons.urlutils.URL,
tag_token: uuid.UUID,
erase: bool,
common: bool,
):
"""Creates an inventory.
This creates the database and adds the inventory to the
inventory tables with the passed-in settings, and does nothing if the
inventory already exists.
After you create the inventory you might want to create an user
executing *dh user add*.
"""
assert _app_ctx_stack.top, 'Use an app context.'
print('Initializing database...'.ljust(30), end='')
with click_spinner.spinner():
if erase:
self.db.drop_all(common_schema=common)
assert not db.has_schema(self.id), 'Schema {} already exists.'.format(
self.id
)
exclude_schema = 'common' if not common else None
self._init_db(exclude_schema=exclude_schema)
InventoryDef.set_inventory_config(
name, org_name, org_id, tag_url, tag_token
)
DeviceSearch.set_all_devices_tokens_if_empty(self.db.session)
self._init_resources(exclude_schema=exclude_schema)
self.db.session.commit()
print('done.')
def _init_db(self, exclude_schema=None) -> bool:
if exclude_schema:
assert isinstance(self.db, SchemaSQLAlchemy)
self.db.create_all(exclude_schema=exclude_schema)
else:
self.db.create_all()
return True
@click.confirmation_option(
prompt='Are you sure you want to delete the inventory {}?'.format(
os.environ.get('dhi')
)
)
def delete_inventory(self):
"""Erases an inventory.
This removes its private database and its entry in the common
inventory.
This deletes users that have only access to this inventory.
"""
InventoryDef.delete_inventory()
self.db.session.commit()
self.db.drop_all(common_schema=False)
def regenerate_search(self):
"""Re-creates from 0 all the search tables."""
DeviceSearch.regenerate_search_table(self.db.session)
db.session.commit()
print('Done.')
def _prepare_request(self):
"""Prepares request stuff."""
inv = g.inventory = Inventory.current # type: Inventory
g.tag_provider = DevicehubClient(
base_url=inv.tag_provider, token=DevicehubClient.encode_token(inv.tag_token)
)
# NOTE: models init methods expects that current user is
# available on g.user (e.g. to initialize object owner)
g.user = current_user
def create_client(self, email='user@dhub.com', password='1234'):
client = UserClient(self, email, password, response_wrapper=self.response_class)
client.login()
return client