forked from ungleich-public/cdist
Merge branch 'feature/default_parameters' of https://github.com/asteven/cdist
This commit is contained in:
Nico Schottelius
commit
d0dfe8f834
10 changed files with 64 additions and 3 deletions
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@ -62,6 +62,7 @@ class CdistType(object):
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self.__optional_parameters = None
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self.__optional_multiple_parameters = None
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self.__boolean_parameters = None
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self.__parameter_defaults = None
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@classmethod
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def list_types(cls, base_path):
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@ -190,3 +191,19 @@ class CdistType(object):
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finally:
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self.__boolean_parameters = parameters
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return self.__boolean_parameters
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@property
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def parameter_defaults(self):
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if not self.__parameter_defaults:
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defaults = {}
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try:
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defaults_dir = os.path.join(self.absolute_path, "parameter", "default")
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for name in os.listdir(defaults_dir):
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with open(os.path.join(defaults_dir, name)) as fd:
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defaults[name] = fd.read().strip()
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except EnvironmentError:
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# error ignored
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pass
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finally:
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self.__parameter_defaults = defaults
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return self.__parameter_defaults
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@ -96,10 +96,12 @@ class Emulator(object):
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parser.add_argument(argument, dest=parameter, action='append', required=True)
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for parameter in self.cdist_type.optional_parameters:
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argument = "--" + parameter
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parser.add_argument(argument, dest=parameter, action='store', required=False)
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parser.add_argument(argument, dest=parameter, action='store', required=False,
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default=self.cdist_type.parameter_defaults.get(parameter, None))
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for parameter in self.cdist_type.optional_multiple_parameters:
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argument = "--" + parameter
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parser.add_argument(argument, dest=parameter, action='append', required=False)
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parser.add_argument(argument, dest=parameter, action='append', required=False,
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default=self.cdist_type.parameter_defaults.get(parameter, None))
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for parameter in self.cdist_type.boolean_parameters:
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argument = "--" + parameter
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parser.add_argument(argument, dest=parameter, action='store_const', const='')
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@ -146,3 +146,10 @@ class TypeTestCase(test.CdistTestCase):
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cdist_type = core.CdistType(base_path, '__without_boolean_parameters')
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self.assertEqual(cdist_type.boolean_parameters, [])
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def test_with_parameter_defaults(self):
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base_path = fixtures
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cdist_type = core.CdistType(base_path, '__with_parameter_defaults')
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self.assertTrue('optional1' in cdist_type.parameter_defaults)
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self.assertFalse('optional2' in cdist_type.parameter_defaults)
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self.assertEqual(cdist_type.parameter_defaults['optional1'], 'value1')
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@ -0,0 +1 @@
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value1
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@ -0,0 +1,2 @@
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optional1
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optional2
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@ -219,6 +219,21 @@ class ArgumentsTestCase(test.CdistTestCase):
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self.assertFalse('optional2' in cdist_object.parameters)
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self.assertEqual(cdist_object.parameters['optional1'], value)
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def test_argument_defaults(self):
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type_name = '__argument_defaults'
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object_id = 'some-id'
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value = 'value1'
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argv = [type_name, object_id]
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os.environ.update(self.env)
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emu = emulator.Emulator(argv)
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emu.run()
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cdist_type = core.CdistType(self.local.type_path, type_name)
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cdist_object = core.CdistObject(cdist_type, self.local.object_path, object_id)
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self.assertTrue('optional1' in cdist_object.parameters)
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self.assertFalse('optional2' in cdist_object.parameters)
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self.assertEqual(cdist_object.parameters['optional1'], value)
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class StdinTestCase(test.CdistTestCase):
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@ -0,0 +1 @@
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value1
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@ -0,0 +1,2 @@
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optional1
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optional2
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@ -116,8 +116,13 @@ confdir/type/<name>/parameter/required::
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confdir/type/<name>/parameter/optional::
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Parameters optionally accepted by type, \n seperated list.
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confdir/type/<name>/parameter/default/*::
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Default values for optional parameters.
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Assuming an optional parameter name of 'foo', it's default value would
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be read from the file confdir/type/<name>/parameter/default/foo.
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confdir/type/<name>/parameter/boolean::
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Boolean parameters accepted by type, \n seperated list.
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Boolean parameters accepted by type, \n seperated list.
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confdir/type/<name>/explorer::
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Location of the type specific explorers.
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@ -82,10 +82,16 @@ follow the standard unix behaviour "the last given wins".
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If either is missing, the type will have no required, no optional, no boolean
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or no parameters at all.
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Default values for optional parameters can be predefined in
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***parameter/default/<name>***.
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Example:
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--------------------------------------------------------------------------------
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echo servername >> cdist/conf/type/__nginx_vhost/parameter/required
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echo logdirectory >> cdist/conf/type/__nginx_vhost/parameter/optional
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echo loglevel >> cdist/conf/type/__nginx_vhost/parameter/optional
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mkdir cdist/conf/type/__nginx_vhost/parameter/default
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echo warning > cdist/conf/type/__nginx_vhost/parameter/default/loglevel
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echo server_alias >> cdist/conf/type/__nginx_vhost/parameter/optional_multiple
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echo use_ssl >> cdist/conf/type/__nginx_vhost/parameter/boolean
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--------------------------------------------------------------------------------
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@ -108,6 +114,9 @@ if [ -f "$__object/parameter/logdirectory" ]; then
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logdirectory="$(cat "$__object/parameter/logdirectory")"
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fi
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# optional parameter with predefined default
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loglevel="$(cat "$__object/parameter/loglevel")"
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# boolean parameter
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if [ -f "$__object/parameter/use_ssl" ]; then
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# file exists -> True
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