Merge pull request #445 from darko-poljak/fix-dependency-conflict

Conflicting requirements bugfix.
This commit is contained in:
Darko Poljak 2016-06-22 12:51:28 +02:00 committed by GitHub
commit 0ae6eca754
3 changed files with 89 additions and 4 deletions

View file

@ -77,6 +77,9 @@ class Emulator(object):
self.type_name = os.path.basename(argv[0])
self.cdist_type = core.CdistType(self.type_base_path, self.type_name)
# if set then object already exists and this var holds existing
# requirements
self._existing_reqs = None
self.__init_log()
@ -150,10 +153,18 @@ class Emulator(object):
self.parameters[key] = value
if self.cdist_object.exists and not 'CDIST_OVERRIDE' in self.env:
# make existing requirements a set, so we can compare it
# later with new requirements
self._existing_reqs = set(self.cdist_object.requirements)
if self.cdist_object.parameters != self.parameters:
raise cdist.Error("Object %s already exists with conflicting parameters:\n%s: %s\n%s: %s"
% (self.cdist_object.name, " ".join(self.cdist_object.source), self.cdist_object.parameters, self.object_source, self.parameters)
)
errmsg = ("Object %s already exists with conflicting "
"parameters:\n%s: %s\n%s: %s" % (self.cdist_object.name,
" ".join(self.cdist_object.source),
self.cdist_object.parameters,
self.object_source,
self.parameters))
self.log.error(errmsg)
raise cdist.Error(errmsg)
else:
if self.cdist_object.exists:
self.log.debug('Object %s override forced with CDIST_OVERRIDE',self.cdist_object.name)
@ -210,7 +221,7 @@ class Emulator(object):
# if no second last line, we are on the first type, so do not set a requirement
pass
reqs = set()
if "require" in self.env:
requirements = self.env['require']
self.log.debug("reqs = " + requirements)
@ -234,6 +245,24 @@ class Emulator(object):
# (__file//bar => __file/bar)
# This ensures pattern matching is done against sanitised list
self.cdist_object.requirements.append(cdist_object.name)
reqs.add(cdist_object.name)
if self._existing_reqs is not None:
# if object exists then compare existing and new requirements
self.log.debug("OBJ: {} {}".format(self.cdist_type, self.object_id))
self.log.debug("EXISTING REQS: {}".format(self._existing_reqs))
self.log.debug("REQS: {}".format(reqs))
if self._existing_reqs != reqs:
errmsg = ("Object {} already exists with conflicting "
"requirements:\n{}: {}\n{}: {}".format(
self.cdist_object.name,
" ".join(self.cdist_object.source),
self._existing_reqs,
self.object_source,
reqs))
self.log.error(errmsg)
raise cdist.Error(errmsg)
def record_auto_requirements(self):
"""An object shall automatically depend on all objects that it defined in it's type manifest.

View file

@ -133,6 +133,56 @@ class EmulatorTestCase(test.CdistTestCase):
self.assertEqual(list(file_object.requirements), ['__planet/mars'])
# if we get here all is fine
class EmulatorConflictingRequirementsTestCase(test.CdistTestCase):
def setUp(self):
self.temp_dir = self.mkdtemp()
handle, self.script = self.mkstemp(dir=self.temp_dir)
os.close(handle)
base_path = self.temp_dir
self.local = local.Local(
target_host=self.target_host,
base_path=base_path,
exec_path=test.cdist_exec_path,
add_conf_dirs=[conf_dir])
self.local.create_files_dirs()
self.manifest = core.Manifest(self.target_host, self.local)
self.env = self.manifest.env_initial_manifest(self.script)
self.env['__cdist_object_marker'] = self.local.object_marker_name
def tearDown(self):
shutil.rmtree(self.temp_dir)
def test_object_conflicting_requirements_req_none(self):
argv = ['__directory', 'spam']
emu = emulator.Emulator(argv, env=self.env)
emu.run()
argv = ['__file', 'eggs']
self.env['require'] = '__directory/spam'
emu = emulator.Emulator(argv, env=self.env)
emu.run()
argv = ['__file', 'eggs']
if 'require' in self.env:
del self.env['require']
emu = emulator.Emulator(argv, env=self.env)
self.assertRaises(cdist.Error, emu.run)
def test_object_conflicting_requirements_none_req(self):
argv = ['__directory', 'spam']
emu = emulator.Emulator(argv, env=self.env)
emu.run()
argv = ['__file', 'eggs']
if 'require' in self.env:
del self.env['require']
emu = emulator.Emulator(argv, env=self.env)
emu.run()
argv = ['__file', 'eggs']
self.env['require'] = '__directory/spam'
emu = emulator.Emulator(argv, env=self.env)
self.assertRaises(cdist.Error, emu.run)
class AutoRequireEmulatorTestCase(test.CdistTestCase):
@ -366,3 +416,8 @@ class StdinTestCase(test.CdistTestCase):
stdin_saved_by_emulator = fd.read()
self.assertEqual(random_string, stdin_saved_by_emulator)
if __name__ == '__main__':
import unittest
unittest.main()

View file

@ -2,6 +2,7 @@ Changelog
---------
next:
* Core: Fix conflicting requirements (Darko Poljak)
* Custom: Add bash and zsh completions (Darko Poljak)
* Core: Improve error reporting for local and remote run command (Darko Poljak)
* New type: __jail_freebsd9: Handle jail management on FreeBSD <= 9.X (Jake Guffey)