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# Copyright 2016 Canonical, Ltd.
#
# 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 logging
import os
import time
from subiquitycore.utils import run_command
log = logging.getLogger("subiquitycore.user")
def create_user(userinfo, dryrun=False, extra_args=[]):
"""Create a user according to the information in userinfo."""
usercmds = []
username = userinfo['username']
useradd = ["useradd", "-m", "-p", userinfo['confirm_password'], username] + extra_args
usercmds.append(useradd)
if 'ssh_import_id' in userinfo:
target = "/home/{}/.ssh/authorized_keys".format(username)
ssh_id = userinfo['ssh_import_id']
if ssh_id.startswith('sso'):
log.info('call out to SSO login')
else:
ssh_import_id = ["ssh-import-id", "-o", target, ssh_id]
usercmds.append(ssh_import_id)
if not dryrun:
for cmd in usercmds:
# TODO(mwhudson): Check return value!
run_command(cmd, shell=False)
# always run chown last
homedir = '/home/' + username
retries = 10
while not os.path.exists(homedir) and retries > 0:
log.debug('waiting on homedir')
retries -= 1
time.sleep(0.2)
if retries <= 0:
raise ValueError('Failed to create homedir')
chown = ["chown", "{0}.{0}".format(username), "-R", homedir]
# TODO(mwhudson): Check return value!
run_command(chown, shell=False)
# add sudo rule
with open('/etc/sudoers.d/installer-user', 'w') as fh:
fh.write('# installer added user\n\n')
fh.write('{} ALL=(ALL) NOPASSWD:ALL\n'.format(username))
else:
log.info('dry-run, skipping user configuration')
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