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"""Provides a common base for Nginx proxies"""
import os
import shutil
import subprocess
import zope.interface
from certbot import configuration
from certbot_nginx import configurator
from certbot_nginx import constants
from certbot_compatibility_test import errors
from certbot_compatibility_test import interfaces
from certbot_compatibility_test import util
from certbot_compatibility_test.configurators import common as configurators_common
@zope.interface.implementer(interfaces.IConfiguratorProxy)
class Proxy(configurators_common.Proxy):
# pylint: disable=too-many-instance-attributes
"""A common base for Nginx test configurators"""
def __init__(self, args):
"""Initializes the plugin with the given command line args"""
super(Proxy, self).__init__(args)
def load_config(self):
"""Loads the next configuration for the plugin to test"""
config = super(Proxy, self).load_config()
self._all_names, self._test_names = _get_names(config)
server_root = _get_server_root(config)
# XXX: Deleting all of this is kind of scary unless the test
# instances really each have a complete configuration!
shutil.rmtree("/etc/nginx")
shutil.copytree(server_root, "/etc/nginx", symlinks=True)
self._prepare_configurator()
try:
subprocess.check_call("service nginx reload".split())
except errors.Error:
raise errors.Error(
"Nginx failed to load {0} before tests started".format(
config))
return config
def _prepare_configurator(self):
"""Prepares the Nginx plugin for testing"""
for k in constants.CLI_DEFAULTS.keys():
setattr(self.le_config, "nginx_" + k, constants.os_constant(k))
conf = configuration.NamespaceConfig(self.le_config)
zope.component.provideUtility(conf)
self._configurator = configurator.NginxConfigurator(
config=conf, name="nginx")
self._configurator.prepare()
def _get_server_root(config):
"""Returns the server root directory in config"""
subdirs = [
name for name in os.listdir(config)
if os.path.isdir(os.path.join(config, name))]
if len(subdirs) != 1:
raise errors.Error("Malformed configuration directory {0}".format(config))
return os.path.join(config, subdirs[0].rstrip())
def _get_names(config):
"""Returns all and testable domain names in config"""
all_names = set()
for root, _dirs, files in os.walk(config):
for this_file in files:
for line in open(os.path.join(root, this_file)):
if line.strip().startswith("server_name"):
names = line.partition("server_name")[2].rpartition(";")[0]
for n in names.split():
# Filter out wildcards in both all_names and test_names
if not n.startswith("*."):
all_names.add(n)
non_ip_names = set(n for n in all_names if not util.IP_REGEX.match(n))
return all_names, non_ip_names
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