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# This file is part of cloud-init. See LICENSE file for license information.
from cloudinit.config.cc_runcmd import handle, schema
from cloudinit.sources import DataSourceNone
from cloudinit import (distros, helpers, cloud, util)
from cloudinit.tests.helpers import (
CiTestCase, FilesystemMockingTestCase, SchemaTestCaseMixin,
skipUnlessJsonSchema)
import logging
import os
import stat
LOG = logging.getLogger(__name__)
class TestRuncmd(FilesystemMockingTestCase):
with_logs = True
def setUp(self):
super(TestRuncmd, self).setUp()
self.subp = util.subp
self.new_root = self.tmp_dir()
def _get_cloud(self, distro):
self.patchUtils(self.new_root)
paths = helpers.Paths({'scripts': self.new_root})
cls = distros.fetch(distro)
mydist = cls(distro, {}, paths)
myds = DataSourceNone.DataSourceNone({}, mydist, paths)
paths.datasource = myds
return cloud.Cloud(myds, paths, {}, mydist, None)
def test_handler_skip_if_no_runcmd(self):
"""When the provided config doesn't contain runcmd, skip it."""
cfg = {}
mycloud = self._get_cloud('ubuntu')
handle('notimportant', cfg, mycloud, LOG, None)
self.assertIn(
"Skipping module named notimportant, no 'runcmd' key",
self.logs.getvalue())
def test_handler_invalid_command_set(self):
"""Commands which can't be converted to shell will raise errors."""
invalid_config = {'runcmd': 1}
cc = self._get_cloud('ubuntu')
handle('cc_runcmd', invalid_config, cc, LOG, [])
self.assertIn(
'Failed to shellify 1 into file'
' /var/lib/cloud/instances/iid-datasource-none/scripts/runcmd',
self.logs.getvalue())
@skipUnlessJsonSchema()
def test_handler_schema_validation_warns_non_array_type(self):
"""Schema validation warns of non-array type for runcmd key.
Schema validation is not strict, so runcmd attempts to shellify the
invalid content.
"""
invalid_config = {'runcmd': 1}
cc = self._get_cloud('ubuntu')
handle('cc_runcmd', invalid_config, cc, LOG, [])
self.assertIn(
'Invalid config:\nruncmd: 1 is not of type \'array\'',
self.logs.getvalue())
self.assertIn('Failed to shellify', self.logs.getvalue())
@skipUnlessJsonSchema()
def test_handler_schema_validation_warns_non_array_item_type(self):
"""Schema validation warns of non-array or string runcmd items.
Schema validation is not strict, so runcmd attempts to shellify the
invalid content.
"""
invalid_config = {
'runcmd': ['ls /', 20, ['wget', 'http://stuff/blah'], {'a': 'n'}]}
cc = self._get_cloud('ubuntu')
handle('cc_runcmd', invalid_config, cc, LOG, [])
expected_warnings = [
'runcmd.1: 20 is not valid under any of the given schemas',
'runcmd.3: {\'a\': \'n\'} is not valid under any of the given'
' schema'
]
logs = self.logs.getvalue()
for warning in expected_warnings:
self.assertIn(warning, logs)
self.assertIn('Failed to shellify', logs)
def test_handler_write_valid_runcmd_schema_to_file(self):
"""Valid runcmd schema is written to a runcmd shell script."""
valid_config = {'runcmd': [['ls', '/']]}
cc = self._get_cloud('ubuntu')
handle('cc_runcmd', valid_config, cc, LOG, [])
runcmd_file = os.path.join(
self.new_root,
'var/lib/cloud/instances/iid-datasource-none/scripts/runcmd')
self.assertEqual("#!/bin/sh\n'ls' '/'\n", util.load_file(runcmd_file))
file_stat = os.stat(runcmd_file)
self.assertEqual(0o700, stat.S_IMODE(file_stat.st_mode))
@skipUnlessJsonSchema()
class TestSchema(CiTestCase, SchemaTestCaseMixin):
"""Directly test schema rather than through handle."""
schema = schema
def test_duplicates_are_fine_array_array(self):
"""Duplicated commands array/array entries are allowed."""
self.assertSchemaValid(
[["echo", "bye"], ["echo", "bye"]],
"command entries can be duplicate.")
def test_duplicates_are_fine_array_string(self):
"""Duplicated commands array/string entries are allowed."""
self.assertSchemaValid(
["echo bye", "echo bye"],
"command entries can be duplicate.")
# vi: ts=4 expandtab
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