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# This file is part of cloud-init. See LICENSE file for license information.
import logging
import os
import shutil
import pytest
from cloudinit import cloud, distros, helpers, util
from cloudinit.config import cc_update_etc_hosts
from cloudinit.config.schema import (
SchemaValidationError,
get_schema,
validate_cloudconfig_schema,
)
from tests.unittests import helpers as t_help
LOG = logging.getLogger(__name__)
class TestHostsFile(t_help.FilesystemMockingTestCase):
def setUp(self):
super(TestHostsFile, self).setUp()
self.tmp = self.tmp_dir()
def _fetch_distro(self, kind):
cls = distros.fetch(kind)
paths = helpers.Paths({})
return cls(kind, {}, paths)
def test_write_etc_hosts_suse_localhost(self):
cfg = {
"manage_etc_hosts": "localhost",
"hostname": "cloud-init.test.us",
}
os.makedirs("%s/etc/" % self.tmp)
hosts_content = "192.168.1.1 blah.blah.us blah\n"
fout = open("%s/etc/hosts" % self.tmp, "w")
fout.write(hosts_content)
fout.close()
distro = self._fetch_distro("sles")
distro.hosts_fn = "%s/etc/hosts" % self.tmp
paths = helpers.Paths({})
ds = None
cc = cloud.Cloud(ds, paths, {}, distro, None)
self.patchUtils(self.tmp)
cc_update_etc_hosts.handle("test", cfg, cc, LOG, [])
contents = util.load_file("%s/etc/hosts" % self.tmp)
if "127.0.1.1\tcloud-init.test.us\tcloud-init" not in contents:
self.assertIsNone("No entry for 127.0.1.1 in etc/hosts")
if "192.168.1.1\tblah.blah.us\tblah" not in contents:
self.assertIsNone("Default etc/hosts content modified")
@t_help.skipUnlessJinja()
def test_write_etc_hosts_suse_template(self):
cfg = {
"manage_etc_hosts": "template",
"hostname": "cloud-init.test.us",
}
shutil.copytree(
t_help.cloud_init_project_dir("templates"),
"%s/etc/cloud/templates" % self.tmp,
)
distro = self._fetch_distro("sles")
paths = helpers.Paths({})
paths.template_tpl = "%s" % self.tmp + "/etc/cloud/templates/%s.tmpl"
ds = None
cc = cloud.Cloud(ds, paths, {}, distro, None)
self.patchUtils(self.tmp)
cc_update_etc_hosts.handle("test", cfg, cc, LOG, [])
contents = util.load_file("%s/etc/hosts" % self.tmp)
if "127.0.1.1 cloud-init.test.us cloud-init" not in contents:
self.assertIsNone("No entry for 127.0.1.1 in etc/hosts")
if "::1 cloud-init.test.us cloud-init" not in contents:
self.assertIsNone("No entry for 127.0.0.1 in etc/hosts")
class TestUpdateEtcHosts:
@pytest.mark.parametrize(
"config, expectation",
[
({"manage_etc_hosts": True}, t_help.does_not_raise()),
({"manage_etc_hosts": False}, t_help.does_not_raise()),
({"manage_etc_hosts": "localhost"}, t_help.does_not_raise()),
(
{"manage_etc_hosts": "template"},
pytest.raises(
SchemaValidationError,
match=(
"Cloud config schema deprecations: "
"manage_etc_hosts: Changed in version 22.3. "
"Use of ``template`` is deprecated, use "
"``true`` instead."
),
),
),
(
{"manage_etc_hosts": "templatey"},
pytest.raises(
SchemaValidationError,
match=(
"manage_etc_hosts: 'templatey' is not valid under any"
" of the given schemas"
),
),
),
],
)
@t_help.skipUnlessJsonSchema()
def test_schema_validation(self, config, expectation):
with expectation:
validate_cloudconfig_schema(config, get_schema(), strict=True)
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