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users: Move dpkg reconfigure to action utils

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In the hope that it will be useful to other actions.  Also delete the
named temporary file after configuration.
This commit is contained in:
Sunil Mohan Adapa 2016-07-31 10:58:07 +05:30
parent 6c3d3888c1
commit 8e28afe160
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GPG Key ID: 36C361440C9BC971
2 changed files with 36 additions and 31 deletions
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38
actions/users
View File

@ -22,9 +22,7 @@ Configuration helper for the LDAP user directory
"""
import argparse
import os
import subprocess
import tempfile
import augeas
from plinth import action_utils
@ -55,12 +53,13 @@ def subcommand_setup(_):
def configure_slapd():
"""Configure LDAP authentication and basic structure."""
_reconfigure('slapd', {'domain': 'thisbox'})
_reconfigure('nslcd', {'ldap-uris': 'ldapi:///',
'ldap-base': 'dc=thisbox',
'ldap-auth-type': 'SASL',
'ldap-sasl-mech': 'EXTERNAL'})
_reconfigure('libnss-ldapd', {'nsswitch': 'group, passwd, shadow'})
action_utils.dpkg_reconfigure('slapd', {'domain': 'thisbox'})
action_utils.dpkg_reconfigure('nslcd', {'ldap-uris': 'ldapi:///',
'ldap-base': 'dc=thisbox',
'ldap-auth-type': 'SASL',
'ldap-sasl-mech': 'EXTERNAL'})
action_utils.dpkg_reconfigure('libnss-ldapd',
{'nsswitch': 'group, passwd, shadow'})
was_running = action_utils.service_is_running('slapd')
if not was_running:
@ -147,29 +146,6 @@ def configure_ldapscripts():
aug.save()
def _reconfigure(package, config):
"""Reconfigure package using debconf database override."""
override_template = '''
Name: {package}/{key}
Template: {package}/{key}
Value: {value}
Owners: {package}
'''
override_data = ''
for key, value in config.items():
override_data += override_template.format(
package=package, key=key, value=value)
with tempfile.NamedTemporaryFile(mode='w', delete=False) as override_file:
override_file.write(override_data)
env = os.environ.copy()
env['DEBCONF_DB_OVERRIDE'] = 'File{' + override_file.name + \
' readonly:true}'
env['DEBIAN_FRONTEND'] = 'noninteractive'
subprocess.run(['dpkg-reconfigure', package], env=env)
def main():
"""Parse arguments and perform all duties"""
arguments = parse_arguments()

29
plinth/action_utils.py
View File

@ -26,6 +26,7 @@ import logging
import psutil
import socket
import subprocess
import tempfile
logger = logging.getLogger(__name__)
@ -417,3 +418,31 @@ def get_ip_addresses():
def get_hostname():
"""Return the current hostname."""
return subprocess.check_output(['hostname']).decode().strip()
def dpkg_reconfigure(package, config):
"""Reconfigure package using debconf database override."""
override_template = '''
Name: {package}/{key}
Template: {package}/{key}
Value: {value}
Owners: {package}
'''
override_data = ''
for key, value in config.items():
override_data += override_template.format(
package=package, key=key, value=value)
with tempfile.NamedTemporaryFile(mode='w', delete=False) as override_file:
override_file.write(override_data)
env = os.environ.copy()
env['DEBCONF_DB_OVERRIDE'] = 'File{' + override_file.name + \
' readonly:true}'
env['DEBIAN_FRONTEND'] = 'noninteractive'
subprocess.run(['dpkg-reconfigure', package], env=env)
try:
os.remove(override_file)
except OSError:
pass