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# This file is part of cloud-init. See LICENSE file for license information.
import re
from cloudinit.distros.parsers.sys_conf import SysConf
from tests.unittests.helpers import TestCase
# Lots of good examples @
# http://content.hccfl.edu/pollock/AUnix1/SysconfigFilesDesc.txt
class TestSysConfHelper(TestCase):
# This function was added in 2.7, make it work for 2.6
def assertRegMatches(self, text, regexp):
regexp = re.compile(regexp)
self.assertTrue(
regexp.search(text),
msg="%s must match %s!" % (text, regexp.pattern),
)
def test_parse_no_change(self):
contents = """# A comment
USESMBAUTH=no
KEYTABLE=/usr/lib/kbd/keytables/us.map
SHORTDATE=$(date +%y:%m:%d:%H:%M)
HOSTNAME=blahblah
NETMASK0=255.255.255.0
# Inline comment
LIST=$LOGROOT/incremental-list
IPV6TO4_ROUTING='eth0-:0004::1/64 eth1-:0005::1/64'
ETHTOOL_OPTS="-K ${DEVICE} tso on; -G ${DEVICE} rx 256 tx 256"
USEMD5=no"""
conf = SysConf(contents.splitlines())
self.assertEqual(conf["HOSTNAME"], "blahblah")
self.assertEqual(conf["SHORTDATE"], "$(date +%y:%m:%d:%H:%M)")
# Should be unquoted
self.assertEqual(
conf["ETHTOOL_OPTS"],
"-K ${DEVICE} tso on; -G ${DEVICE} rx 256 tx 256",
)
self.assertEqual(contents, str(conf))
def test_parse_shell_vars(self):
contents = "USESMBAUTH=$XYZ"
conf = SysConf(contents.splitlines())
self.assertEqual(contents, str(conf))
conf = SysConf("")
conf["B"] = "${ZZ}d apples"
# Should be quoted
self.assertEqual('B="${ZZ}d apples"', str(conf))
conf = SysConf("")
conf["B"] = "$? d apples"
self.assertEqual('B="$? d apples"', str(conf))
contents = 'IPMI_WATCHDOG_OPTIONS="timeout=60"'
conf = SysConf(contents.splitlines())
self.assertEqual("IPMI_WATCHDOG_OPTIONS=timeout=60", str(conf))
def test_parse_adjust(self):
contents = 'IPV6TO4_ROUTING="eth0-:0004::1/64 eth1-:0005::1/64"'
conf = SysConf(contents.splitlines())
# Should be unquoted
self.assertEqual(
"eth0-:0004::1/64 eth1-:0005::1/64", conf["IPV6TO4_ROUTING"]
)
conf["IPV6TO4_ROUTING"] = "blah \tblah"
contents2 = str(conf).strip()
# Should be requoted due to whitespace
self.assertRegMatches(
contents2, r"IPV6TO4_ROUTING=[\']blah\s+blah[\']"
)
def test_parse_no_adjust_shell(self):
conf = SysConf("".splitlines())
conf["B"] = " $(time)"
contents = str(conf)
self.assertEqual("B= $(time)", contents)
def test_parse_empty(self):
contents = ""
conf = SysConf(contents.splitlines())
self.assertEqual("", str(conf).strip())
def test_parse_add_new(self):
contents = "BLAH=b"
conf = SysConf(contents.splitlines())
conf["Z"] = "d"
contents = str(conf)
self.assertIn("Z=d", contents)
self.assertIn("BLAH=b", contents)
# vi: ts=4 expandtab
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