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# This file is part of cloud-init. See LICENSE file for license information.
"""Tests cc_disable_ec2_metadata handler"""
import logging
import pytest
import cloudinit.config.cc_disable_ec2_metadata as ec2_meta
from cloudinit.config.schema import (
SchemaValidationError,
get_schema,
validate_cloudconfig_schema,
)
from tests.unittests.helpers import CiTestCase, mock, skipUnlessJsonSchema
LOG = logging.getLogger(__name__)
DISABLE_CFG = {"disable_ec2_metadata": "true"}
class TestEC2MetadataRoute(CiTestCase):
@mock.patch("cloudinit.config.cc_disable_ec2_metadata.subp.which")
@mock.patch("cloudinit.config.cc_disable_ec2_metadata.subp.subp")
def test_disable_ifconfig(self, m_subp, m_which):
"""Set the route if ifconfig command is available"""
m_which.side_effect = lambda x: x if x == "ifconfig" else None
ec2_meta.handle("foo", DISABLE_CFG, None, LOG, None)
m_subp.assert_called_with(
["route", "add", "-host", "169.254.169.254", "reject"],
capture=False,
)
@mock.patch("cloudinit.config.cc_disable_ec2_metadata.subp.which")
@mock.patch("cloudinit.config.cc_disable_ec2_metadata.subp.subp")
def test_disable_ip(self, m_subp, m_which):
"""Set the route if ip command is available"""
m_which.side_effect = lambda x: x if x == "ip" else None
ec2_meta.handle("foo", DISABLE_CFG, None, LOG, None)
m_subp.assert_called_with(
["ip", "route", "add", "prohibit", "169.254.169.254"],
capture=False,
)
@mock.patch("cloudinit.config.cc_disable_ec2_metadata.subp.which")
@mock.patch("cloudinit.config.cc_disable_ec2_metadata.subp.subp")
def test_disable_no_tool(self, m_subp, m_which):
"""Log error when neither route nor ip commands are available"""
m_which.return_value = None # Find neither ifconfig nor ip
ec2_meta.handle("foo", DISABLE_CFG, None, LOG, None)
self.assertEqual(
[mock.call("ip"), mock.call("ifconfig")], m_which.call_args_list
)
m_subp.assert_not_called()
@skipUnlessJsonSchema()
class TestDisableEc2MetadataSchema:
"""Directly test schema rather than through handle."""
@pytest.mark.parametrize(
"config, error_msg",
(
# Valid schemas tested by meta.examples in test_schema
# Invalid schemas
(
{"disable_ec2_metadata": 1},
"disable_ec2_metadata: 1 is not of type 'boolean'",
),
),
)
@skipUnlessJsonSchema()
def test_schema_validation(self, config, error_msg):
"""Assert expected schema validation and error messages."""
# New-style schema $defs exist in config/cloud-init-schema*.json
schema = get_schema()
with pytest.raises(SchemaValidationError, match=error_msg):
validate_cloudconfig_schema(config, schema, strict=True)
# vi: ts=4 expandtab
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