Current File : //lib/python3/dist-packages/certbot_apache/_internal/override_fedora.py
""" Distribution specific override class for Fedora 29+ """
from certbot import errors
from certbot import util
from certbot_apache._internal import apache_util
from certbot_apache._internal import configurator
from certbot_apache._internal import parser
from certbot_apache._internal.configurator import OsOptions
class FedoraConfigurator(configurator.ApacheConfigurator):
"""Fedora 29+ specific ApacheConfigurator override class"""
OS_DEFAULTS = OsOptions(
server_root="/etc/httpd",
vhost_root="/etc/httpd/conf.d",
vhost_files="*.conf",
logs_root="/var/log/httpd",
ctl="httpd",
version_cmd=['httpd', '-v'],
restart_cmd=['apachectl', 'graceful'],
restart_cmd_alt=['apachectl', 'restart'],
conftest_cmd=['apachectl', 'configtest'],
challenge_location="/etc/httpd/conf.d",
)
def config_test(self):
"""
Override config_test to mitigate configtest error in vanilla installation
of mod_ssl in Fedora. The error is caused by non-existent self-signed
certificates referenced by the configuration, that would be autogenerated
during the first (re)start of httpd.
"""
try:
super().config_test()
except errors.MisconfigurationError:
self._try_restart_fedora()
def get_parser(self):
"""Initializes the ApacheParser"""
return FedoraParser(
self.options.server_root, self.options.vhost_root,
self.version, configurator=self)
def _try_restart_fedora(self):
"""
Tries to restart httpd using systemctl to generate the self signed key pair.
"""
try:
util.run_script(['systemctl', 'restart', 'httpd'])
except errors.SubprocessError as err:
raise errors.MisconfigurationError(str(err))
# Finish with actual config check to see if systemctl restart helped
super().config_test()
def _prepare_options(self):
"""
Override the options dictionary initialization to keep using apachectl
instead of httpd and so take advantages of this new bash script in newer versions
of Fedora to restart httpd.
"""
super()._prepare_options()
self.options.restart_cmd[0] = 'apachectl'
if not self.options.restart_cmd_alt: # pragma: no cover
raise ValueError("OS option restart_cmd_alt must be set for Fedora.")
self.options.restart_cmd_alt[0] = 'apachectl'
self.options.conftest_cmd[0] = 'apachectl'
class FedoraParser(parser.ApacheParser):
"""Fedora 29+ specific ApacheParser override class"""
def __init__(self, *args, **kwargs):
# Fedora 29+ specific configuration file for Apache
self.sysconfig_filep = "/etc/sysconfig/httpd"
super().__init__(*args, **kwargs)
def update_runtime_variables(self):
""" Override for update_runtime_variables for custom parsing """
# Opportunistic, works if SELinux not enforced
super().update_runtime_variables()
self._parse_sysconfig_var()
def _parse_sysconfig_var(self):
""" Parses Apache CLI options from Fedora configuration file """
defines = apache_util.parse_define_file(self.sysconfig_filep, "OPTIONS")
for k, v in defines.items():
self.variables[k] = v
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