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#!/usr/bin/python3
# Copyright 2017 Lars Wirzenius
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import json
import logging
import sys
import cliapp
import urllib3
import requests
import ick2
class Icktool(cliapp.Application):
_default_scopes = [
'uapi_version_get',
]
def add_settings(self):
self.settings.string(
['controller'],
'use URL as the controller base URL',
metavar='URL',
)
self.settings.boolean(
['verify-tls'],
'verify TLS certifcate signature? default is yes',
)
self.settings.string(
['token'],
'use TOKEN instead of generating a new one',
metavar='TOKEN',
)
self.settings.string(
['token-private-key-cmd'],
'run CMD to print private key for token signing',
metavar='CMD',
)
self.settings.string_list(
['scope'],
'add SCOPE to the list of scope in generated token',
metavar='SCOPE',
default=self._default_scopes,
)
def setup(self):
if not self.settings['verify-tls']:
logging.captureWarnings(True)
def cmd_token(self, args):
token = self._new_token()
sys.stdout.write(token)
def cmd_version(self, args):
api = self._new_api()
self._prettyson(api.get('/version'))
def _new_token(self):
scopes = self.settings['scope']
cmd = self.settings['token-private-key-cmd']
if not cmd:
raise cliapp.AppException('no --token-private-cmd specified')
gen = TokenGenerator()
gen.set_cmd(cmd)
gen.set_scopes(scopes)
return gen.new_token()
def _new_api(self):
token = self.settings['token'] or self._new_token()
api = API()
api.set_token(token)
api.set_url(self.settings['controller'])
api.set_verify(self.settings['verify-tls'])
return api
def _prettyson(self, obj):
json.dump(obj, sys.stdout, indent=4)
sys.stdout.write('\n')
class API:
def __init__(self):
self._url = None
self._token = None
self._verify = True
def set_url(self, url):
self._url = url
def set_token(self, token):
self._token = token
def set_verify(self, verify):
self._verify = verify
def get(self, path):
assert self._url is not None
assert self._token is not None
version_url = '{}/version'.format(self._url)
headers = {
'Authorization': 'Bearer {}'.format(self._token),
}
r = requests.get(version_url, headers=headers, verify=self._verify)
return r.json()
class TokenGenerator:
def __init__(self):
self._cmd = None
self._scopes = None
def set_cmd(self, cmd):
self._cmd = cmd
def set_scopes(self, scopes):
self._scopes = scopes
def new_token(self):
assert self._cmd is not None
assert self._scopes is not None
privkey = cliapp.runcmd(['sh', '-c', self._cmd])
token = cliapp.runcmd(
['./create-token', ' '.join(self._scopes)], feed_stdin=privkey)
return token.decode('ascii')
Icktool(version=ick2.__version__).run()
|
