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ansible/test/units/module_utils/facts/test_collector.py

562 lines
26 KiB
Python

# This file is part of Ansible
# -*- coding: utf-8 -*-
#
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
#
from __future__ import annotations
from collections import defaultdict
import pprint
# for testing
import unittest
from ansible.module_utils.facts import collector
from ansible.module_utils.facts import default_collectors
class TestFindCollectorsForPlatform(unittest.TestCase):
def test(self):
compat_platforms = [{'system': 'Generic'}]
res = collector.find_collectors_for_platform(default_collectors.collectors,
compat_platforms)
for coll_class in res:
self.assertIn(coll_class._platform, ('Generic'))
def test_linux(self):
compat_platforms = [{'system': 'Linux'}]
res = collector.find_collectors_for_platform(default_collectors.collectors,
compat_platforms)
for coll_class in res:
self.assertIn(coll_class._platform, ('Linux'))
def test_linux_or_generic(self):
compat_platforms = [{'system': 'Generic'}, {'system': 'Linux'}]
res = collector.find_collectors_for_platform(default_collectors.collectors,
compat_platforms)
for coll_class in res:
self.assertIn(coll_class._platform, ('Generic', 'Linux'))
class TestSelectCollectorNames(unittest.TestCase):
def _assert_equal_detail(self, obj1, obj2, msg=None):
msg = 'objects are not equal\n%s\n\n!=\n\n%s' % (pprint.pformat(obj1), pprint.pformat(obj2))
return self.assertEqual(obj1, obj2, msg)
def test(self):
collector_names = ['distribution', 'all_ipv4_addresses',
'local', 'pkg_mgr']
all_fact_subsets = self._all_fact_subsets()
res = collector.select_collector_classes(collector_names,
all_fact_subsets)
expected = [default_collectors.DistributionFactCollector,
default_collectors.PkgMgrFactCollector]
self._assert_equal_detail(res, expected)
def test_default_collectors(self):
platform_info = {'system': 'Generic'}
compat_platforms = [platform_info]
collectors_for_platform = collector.find_collectors_for_platform(default_collectors.collectors,
compat_platforms)
all_fact_subsets, aliases_map = collector.build_fact_id_to_collector_map(collectors_for_platform)
all_valid_subsets = frozenset(all_fact_subsets.keys())
collector_names = collector.get_collector_names(valid_subsets=all_valid_subsets,
aliases_map=aliases_map,
platform_info=platform_info)
complete_collector_names = collector._solve_deps(collector_names, all_fact_subsets)
dep_map = collector.build_dep_data(complete_collector_names, all_fact_subsets)
ordered_deps = collector.tsort(dep_map)
ordered_collector_names = [x[0] for x in ordered_deps]
res = collector.select_collector_classes(ordered_collector_names,
all_fact_subsets)
self.assertTrue(res.index(default_collectors.ServiceMgrFactCollector) >
res.index(default_collectors.DistributionFactCollector),
res)
self.assertTrue(res.index(default_collectors.ServiceMgrFactCollector) >
res.index(default_collectors.PlatformFactCollector),
res)
def _all_fact_subsets(self, data=None):
all_fact_subsets = defaultdict(list)
_data = {'pkg_mgr': [default_collectors.PkgMgrFactCollector],
'distribution': [default_collectors.DistributionFactCollector],
'network': [default_collectors.LinuxNetworkCollector]}
data = data or _data
for key, value in data.items():
all_fact_subsets[key] = value
return all_fact_subsets
class TestGetCollectorNames(unittest.TestCase):
def test_none(self):
res = collector.get_collector_names()
self.assertIsInstance(res, set)
self.assertEqual(res, set([]))
def test_empty_sets(self):
res = collector.get_collector_names(valid_subsets=frozenset([]),
minimal_gather_subset=frozenset([]),
gather_subset=[])
self.assertIsInstance(res, set)
self.assertEqual(res, set([]))
def test_empty_valid_and_min_with_all_gather_subset(self):
res = collector.get_collector_names(valid_subsets=frozenset([]),
minimal_gather_subset=frozenset([]),
gather_subset=['all'])
self.assertIsInstance(res, set)
self.assertEqual(res, set([]))
def test_one_valid_with_all_gather_subset(self):
valid_subsets = frozenset(['my_fact'])
res = collector.get_collector_names(valid_subsets=valid_subsets,
minimal_gather_subset=frozenset([]),
gather_subset=['all'])
self.assertIsInstance(res, set)
self.assertEqual(res, set(['my_fact']))
def _compare_res(self, gather_subset1, gather_subset2,
valid_subsets=None, min_subset=None):
valid_subsets = valid_subsets or frozenset()
minimal_gather_subset = min_subset or frozenset()
res1 = collector.get_collector_names(valid_subsets=valid_subsets,
minimal_gather_subset=minimal_gather_subset,
gather_subset=gather_subset1)
res2 = collector.get_collector_names(valid_subsets=valid_subsets,
minimal_gather_subset=minimal_gather_subset,
gather_subset=gather_subset2)
return res1, res2
def test_not_all_other_order(self):
valid_subsets = frozenset(['min_fact', 'something_else', 'whatever'])
minimal_gather_subset = frozenset(['min_fact'])
res1, res2 = self._compare_res(['!all', 'whatever'],
['whatever', '!all'],
valid_subsets=valid_subsets,
min_subset=minimal_gather_subset)
self.assertEqual(res1, res2)
self.assertEqual(res1, set(['min_fact', 'whatever']))
def test_not_all_other_order_min(self):
valid_subsets = frozenset(['min_fact', 'something_else', 'whatever'])
minimal_gather_subset = frozenset(['min_fact'])
res1, res2 = self._compare_res(['!min_fact', 'whatever'],
['whatever', '!min_fact'],
valid_subsets=valid_subsets,
min_subset=minimal_gather_subset)
self.assertEqual(res1, res2)
self.assertEqual(res1, set(['whatever']))
def test_one_minimal_with_all_gather_subset(self):
my_fact = 'my_fact'
valid_subsets = frozenset([my_fact])
minimal_gather_subset = valid_subsets
res = collector.get_collector_names(valid_subsets=valid_subsets,
minimal_gather_subset=minimal_gather_subset,
gather_subset=['all'])
self.assertIsInstance(res, set)
self.assertEqual(res, set(['my_fact']))
def test_with_all_gather_subset(self):
valid_subsets = frozenset(['my_fact', 'something_else', 'whatever'])
minimal_gather_subset = frozenset(['my_fact'])
# even with '!all', the minimal_gather_subset should be returned
res = collector.get_collector_names(valid_subsets=valid_subsets,
minimal_gather_subset=minimal_gather_subset,
gather_subset=['all'])
self.assertIsInstance(res, set)
self.assertEqual(res, set(['my_fact', 'something_else', 'whatever']))
def test_one_minimal_with_not_all_gather_subset(self):
valid_subsets = frozenset(['my_fact', 'something_else', 'whatever'])
minimal_gather_subset = frozenset(['my_fact'])
# even with '!all', the minimal_gather_subset should be returned
res = collector.get_collector_names(valid_subsets=valid_subsets,
minimal_gather_subset=minimal_gather_subset,
gather_subset=['!all'])
self.assertIsInstance(res, set)
self.assertEqual(res, set(['my_fact']))
def test_gather_subset_excludes(self):
valid_subsets = frozenset(['my_fact', 'something_else', 'whatever'])
minimal_gather_subset = frozenset(['min_fact', 'min_another'])
# even with '!all', the minimal_gather_subset should be returned
res = collector.get_collector_names(valid_subsets=valid_subsets,
minimal_gather_subset=minimal_gather_subset,
# gather_subset=set(['all', '!my_fact', '!whatever']))
# gather_subset=['all', '!my_fact', '!whatever'])
gather_subset=['!min_fact', '!whatever'])
self.assertIsInstance(res, set)
# min_another is in minimal_gather_subset, so always returned
self.assertEqual(res, set(['min_another']))
def test_gather_subset_excludes_ordering(self):
valid_subsets = frozenset(['my_fact', 'something_else', 'whatever'])
minimal_gather_subset = frozenset(['my_fact'])
res = collector.get_collector_names(valid_subsets=valid_subsets,
minimal_gather_subset=minimal_gather_subset,
gather_subset=['!all', 'whatever'])
self.assertIsInstance(res, set)
# excludes are higher precedence than includes, so !all excludes everything
# and then minimal_gather_subset is added. so '!all', 'other' == '!all'
self.assertEqual(res, set(['my_fact', 'whatever']))
def test_gather_subset_excludes_min(self):
valid_subsets = frozenset(['min_fact', 'something_else', 'whatever'])
minimal_gather_subset = frozenset(['min_fact'])
res = collector.get_collector_names(valid_subsets=valid_subsets,
minimal_gather_subset=minimal_gather_subset,
gather_subset=['whatever', '!min'])
self.assertIsInstance(res, set)
# excludes are higher precedence than includes, so !all excludes everything
# and then minimal_gather_subset is added. so '!all', 'other' == '!all'
self.assertEqual(res, set(['whatever']))
def test_gather_subset_excludes_min_and_all(self):
valid_subsets = frozenset(['min_fact', 'something_else', 'whatever'])
minimal_gather_subset = frozenset(['min_fact'])
res = collector.get_collector_names(valid_subsets=valid_subsets,
minimal_gather_subset=minimal_gather_subset,
gather_subset=['whatever', '!all', '!min'])
self.assertIsInstance(res, set)
# excludes are higher precedence than includes, so !all excludes everything
# and then minimal_gather_subset is added. so '!all', 'other' == '!all'
self.assertEqual(res, set(['whatever']))
def test_invaid_gather_subset(self):
valid_subsets = frozenset(['my_fact', 'something_else'])
minimal_gather_subset = frozenset(['my_fact'])
self.assertRaisesRegex(TypeError,
r'Bad subset .* given to Ansible.*allowed\:.*all,.*my_fact.*',
collector.get_collector_names,
valid_subsets=valid_subsets,
minimal_gather_subset=minimal_gather_subset,
gather_subset=['my_fact', 'not_a_valid_gather_subset'])
class TestFindUnresolvedRequires(unittest.TestCase):
def test(self):
names = ['network', 'virtual', 'env']
all_fact_subsets = {'env': [default_collectors.EnvFactCollector],
'network': [default_collectors.LinuxNetworkCollector],
'virtual': [default_collectors.LinuxVirtualCollector]}
res = collector.find_unresolved_requires(names, all_fact_subsets)
# pprint.pprint(res)
self.assertIsInstance(res, set)
self.assertEqual(res, set(['platform', 'distribution']))
def test_resolved(self):
names = ['network', 'virtual', 'env', 'platform', 'distribution']
all_fact_subsets = {'env': [default_collectors.EnvFactCollector],
'network': [default_collectors.LinuxNetworkCollector],
'distribution': [default_collectors.DistributionFactCollector],
'platform': [default_collectors.PlatformFactCollector],
'virtual': [default_collectors.LinuxVirtualCollector]}
res = collector.find_unresolved_requires(names, all_fact_subsets)
# pprint.pprint(res)
self.assertIsInstance(res, set)
self.assertEqual(res, set())
class TestBuildDepData(unittest.TestCase):
def test(self):
names = ['network', 'virtual', 'env']
all_fact_subsets = {'env': [default_collectors.EnvFactCollector],
'network': [default_collectors.LinuxNetworkCollector],
'virtual': [default_collectors.LinuxVirtualCollector]}
res = collector.build_dep_data(names, all_fact_subsets)
# pprint.pprint(dict(res))
self.assertIsInstance(res, defaultdict)
self.assertEqual(dict(res),
{'network': set(['platform', 'distribution']),
'virtual': set(),
'env': set()})
class TestSolveDeps(unittest.TestCase):
def test_no_solution(self):
unresolved = set(['required_thing1', 'required_thing2'])
all_fact_subsets = {'env': [default_collectors.EnvFactCollector],
'network': [default_collectors.LinuxNetworkCollector],
'virtual': [default_collectors.LinuxVirtualCollector]}
self.assertRaises(collector.CollectorNotFoundError,
collector._solve_deps,
unresolved,
all_fact_subsets)
def test(self):
unresolved = set(['env', 'network'])
all_fact_subsets = {'env': [default_collectors.EnvFactCollector],
'network': [default_collectors.LinuxNetworkCollector],
'virtual': [default_collectors.LinuxVirtualCollector],
'platform': [default_collectors.PlatformFactCollector],
'distribution': [default_collectors.DistributionFactCollector]}
res = collector.resolve_requires(unresolved, all_fact_subsets)
res = collector._solve_deps(unresolved, all_fact_subsets)
self.assertIsInstance(res, set)
for goal in unresolved:
self.assertIn(goal, res)
class TestResolveRequires(unittest.TestCase):
def test_no_resolution(self):
unresolved = ['required_thing1', 'required_thing2']
all_fact_subsets = {'env': [default_collectors.EnvFactCollector],
'network': [default_collectors.LinuxNetworkCollector],
'virtual': [default_collectors.LinuxVirtualCollector]}
self.assertRaisesRegex(collector.UnresolvedFactDep,
'unresolved fact dep.*required_thing2',
collector.resolve_requires,
unresolved, all_fact_subsets)
def test(self):
unresolved = ['env', 'network']
all_fact_subsets = {'env': [default_collectors.EnvFactCollector],
'network': [default_collectors.LinuxNetworkCollector],
'virtual': [default_collectors.LinuxVirtualCollector]}
res = collector.resolve_requires(unresolved, all_fact_subsets)
for goal in unresolved:
self.assertIn(goal, res)
def test_exception(self):
unresolved = ['required_thing1']
all_fact_subsets = {}
try:
collector.resolve_requires(unresolved, all_fact_subsets)
except collector.UnresolvedFactDep as exc:
self.assertIn(unresolved[0], '%s' % exc)
class TestTsort(unittest.TestCase):
def test(self):
dep_map = {'network': set(['distribution', 'platform']),
'virtual': set(),
'platform': set(['what_platform_wants']),
'what_platform_wants': set(),
'network_stuff': set(['network'])}
res = collector.tsort(dep_map)
# pprint.pprint(res)
self.assertIsInstance(res, list)
names = [x[0] for x in res]
self.assertTrue(names.index('network_stuff') > names.index('network'))
self.assertTrue(names.index('platform') > names.index('what_platform_wants'))
self.assertTrue(names.index('network') > names.index('platform'))
def test_cycles(self):
dep_map = {'leaf1': set(),
'leaf2': set(),
'node1': set(['node2']),
'node2': set(['node3']),
'node3': set(['node1'])}
self.assertRaises(collector.CycleFoundInFactDeps,
collector.tsort,
dep_map)
def test_just_nodes(self):
dep_map = {'leaf1': set(),
'leaf4': set(),
'leaf3': set(),
'leaf2': set()}
res = collector.tsort(dep_map)
self.assertIsInstance(res, list)
names = [x[0] for x in res]
# not a lot to assert here, any order of the
# results is valid
self.assertEqual(set(names), set(dep_map.keys()))
def test_self_deps(self):
dep_map = {'node1': set(['node1']),
'node2': set(['node2'])}
self.assertRaises(collector.CycleFoundInFactDeps,
collector.tsort,
dep_map)
def test_unsolvable(self):
dep_map = {'leaf1': set(),
'node2': set(['leaf2'])}
res = collector.tsort(dep_map)
self.assertIsInstance(res, list)
names = [x[0] for x in res]
self.assertEqual(set(names), set(dep_map.keys()))
def test_chain(self):
dep_map = {'leaf1': set(['leaf2']),
'leaf2': set(['leaf3']),
'leaf3': set(['leaf4']),
'leaf4': set(),
'leaf5': set(['leaf1'])}
res = collector.tsort(dep_map)
self.assertIsInstance(res, list)
names = [x[0] for x in res]
self.assertEqual(set(names), set(dep_map.keys()))
def test_multi_pass(self):
dep_map = {'leaf1': set(),
'leaf2': set(['leaf3', 'leaf1', 'leaf4', 'leaf5']),
'leaf3': set(['leaf4', 'leaf1']),
'leaf4': set(['leaf1']),
'leaf5': set(['leaf1'])}
res = collector.tsort(dep_map)
self.assertIsInstance(res, list)
names = [x[0] for x in res]
self.assertEqual(set(names), set(dep_map.keys()))
self.assertTrue(names.index('leaf1') < names.index('leaf2'))
for leaf in ('leaf2', 'leaf3', 'leaf4', 'leaf5'):
self.assertTrue(names.index('leaf1') < names.index(leaf))
class TestCollectorClassesFromGatherSubset(unittest.TestCase):
maxDiff = None
def _classes(self,
all_collector_classes=None,
valid_subsets=None,
minimal_gather_subset=None,
gather_subset=None,
gather_timeout=None,
platform_info=None):
platform_info = platform_info or {'system': 'Linux'}
return collector.collector_classes_from_gather_subset(all_collector_classes=all_collector_classes,
valid_subsets=valid_subsets,
minimal_gather_subset=minimal_gather_subset,
gather_subset=gather_subset,
gather_timeout=gather_timeout,
platform_info=platform_info)
def test_no_args(self):
res = self._classes()
self.assertIsInstance(res, list)
self.assertEqual(res, [])
def test_not_all(self):
res = self._classes(all_collector_classes=default_collectors.collectors,
gather_subset=['!all'])
self.assertIsInstance(res, list)
self.assertEqual(res, [])
def test_all(self):
res = self._classes(all_collector_classes=default_collectors.collectors,
gather_subset=['all'])
self.assertIsInstance(res, list)
def test_hardware(self):
res = self._classes(all_collector_classes=default_collectors.collectors,
gather_subset=['hardware'])
self.assertIsInstance(res, list)
self.assertIn(default_collectors.PlatformFactCollector, res)
self.assertIn(default_collectors.LinuxHardwareCollector, res)
self.assertTrue(res.index(default_collectors.LinuxHardwareCollector) >
res.index(default_collectors.PlatformFactCollector))
def test_network(self):
res = self._classes(all_collector_classes=default_collectors.collectors,
gather_subset=['network'])
self.assertIsInstance(res, list)
self.assertIn(default_collectors.DistributionFactCollector, res)
self.assertIn(default_collectors.PlatformFactCollector, res)
self.assertIn(default_collectors.LinuxNetworkCollector, res)
self.assertTrue(res.index(default_collectors.LinuxNetworkCollector) >
res.index(default_collectors.PlatformFactCollector))
self.assertTrue(res.index(default_collectors.LinuxNetworkCollector) >
res.index(default_collectors.DistributionFactCollector))
# self.assertEqual(set(res, [default_collectors.DistributionFactCollector,
# default_collectors.PlatformFactCollector,
# default_collectors.LinuxNetworkCollector])
def test_env(self):
res = self._classes(all_collector_classes=default_collectors.collectors,
gather_subset=['env'])
self.assertIsInstance(res, list)
self.assertEqual(res, [default_collectors.EnvFactCollector])
def test_facter(self):
res = self._classes(all_collector_classes=default_collectors.collectors,
gather_subset=set(['env', 'facter']))
self.assertIsInstance(res, list)
self.assertEqual(set(res),
set([default_collectors.EnvFactCollector,
default_collectors.FacterFactCollector]))
def test_facter_ohai(self):
res = self._classes(all_collector_classes=default_collectors.collectors,
gather_subset=set(['env', 'facter', 'ohai']))
self.assertIsInstance(res, list)
self.assertEqual(set(res),
set([default_collectors.EnvFactCollector,
default_collectors.FacterFactCollector,
default_collectors.OhaiFactCollector]))
def test_just_facter(self):
res = self._classes(all_collector_classes=default_collectors.collectors,
gather_subset=set(['facter']))
self.assertIsInstance(res, list)
self.assertEqual(set(res),
set([default_collectors.FacterFactCollector]))
def test_collector_specified_multiple_times(self):
res = self._classes(all_collector_classes=default_collectors.collectors,
gather_subset=['platform', 'all', 'machine'])
self.assertIsInstance(res, list)
self.assertIn(default_collectors.PlatformFactCollector,
res)
def test_unknown_collector(self):
# something claims 'unknown_collector' is a valid gather_subset, but there is
# no FactCollector mapped to 'unknown_collector'
self.assertRaisesRegex(TypeError,
r'Bad subset.*unknown_collector.*given to Ansible.*allowed\:.*all,.*env.*',
self._classes,
all_collector_classes=default_collectors.collectors,
gather_subset=['env', 'unknown_collector'])