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# pylint: skip-file
# flake8: noqa
class PolicyGroupException(Exception):
''' PolicyGroup exception'''
pass
class PolicyGroupConfig(OpenShiftCLIConfig):
''' PolicyGroupConfig is a DTO for group related policy. '''
def __init__(self, namespace, kubeconfig, policy_options):
super(PolicyGroupConfig, self).__init__(policy_options['name']['value'],
namespace, kubeconfig, policy_options)
self.kind = self.get_kind()
self.namespace = namespace
def get_kind(self):
''' return the kind we are working with '''
if self.config_options['resource_kind']['value'] == 'role':
return 'rolebinding'
elif self.config_options['resource_kind']['value'] == 'cluster-role':
return 'clusterrolebinding'
elif self.config_options['resource_kind']['value'] == 'scc':
return 'scc'
return None
# pylint: disable=too-many-return-statements
class PolicyGroup(OpenShiftCLI):
''' Class to handle attaching policies to users '''
def __init__(self,
config,
verbose=False):
''' Constructor for PolicyGroup '''
super(PolicyGroup, self).__init__(config.namespace, config.kubeconfig, verbose)
self.config = config
self.verbose = verbose
self._rolebinding = None
self._scc = None
self._cluster_role_bindings = None
self._role_bindings = None
@property
def rolebindings(self):
if self._role_bindings is None:
results = self._get('rolebindings', None)
if results['returncode'] != 0:
raise OpenShiftCLIError('Could not retrieve rolebindings')
self._role_bindings = results['results'][0]['items']
return self._role_bindings
@property
def clusterrolebindings(self):
if self._cluster_role_bindings is None:
results = self._get('clusterrolebindings', None)
if results['returncode'] != 0:
raise OpenShiftCLIError('Could not retrieve clusterrolebindings')
self._cluster_role_bindings = results['results'][0]['items']
return self._cluster_role_bindings
@property
def role_binding(self):
''' role_binding getter '''
return self._rolebinding
@role_binding.setter
def role_binding(self, binding):
''' role_binding setter '''
self._rolebinding = binding
@property
def security_context_constraint(self):
''' security_context_constraint getter '''
return self._scc
@security_context_constraint.setter
def security_context_constraint(self, scc):
''' security_context_constraint setter '''
self._scc = scc
def get(self):
'''fetch the desired kind'''
resource_name = self.config.config_options['name']['value']
if resource_name == 'cluster-reader':
resource_name += 's'
# oc adm policy add-... creates policy bindings with the name
# "[resource_name]-binding", however some bindings in the system
# simply use "[resource_name]". So try both.
results = self._get(self.config.kind, resource_name)
if results['returncode'] == 0:
return results
# Now try -binding naming convention
return self._get(self.config.kind, resource_name + "-binding")
def exists_role_binding(self):
''' return whether role_binding exists '''
bindings = None
if self.config.config_options['resource_kind']['value'] == 'cluster-role':
bindings = self.clusterrolebindings
else:
bindings = self.rolebindings
if bindings is None:
return False
for binding in bindings:
if binding['roleRef']['name'] == self.config.config_options['name']['value'] and \
binding['groupNames'] is not None and \
self.config.config_options['group']['value'] in binding['groupNames']:
self.role_binding = binding
return True
return False
def exists_scc(self):
''' return whether scc exists '''
results = self.get()
if results['returncode'] == 0:
self.security_context_constraint = SecurityContextConstraints(results['results'][0])
if self.security_context_constraint.find_group(self.config.config_options['group']['value']) != None:
return True
return False
return results
def exists(self):
'''does the object exist?'''
if self.config.config_options['resource_kind']['value'] == 'cluster-role':
return self.exists_role_binding()
elif self.config.config_options['resource_kind']['value'] == 'role':
return self.exists_role_binding()
elif self.config.config_options['resource_kind']['value'] == 'scc':
return self.exists_scc()
return False
def perform(self):
'''perform action on resource'''
cmd = ['policy',
self.config.config_options['action']['value'],
self.config.config_options['name']['value'],
self.config.config_options['group']['value']]
return self.openshift_cmd(cmd, oadm=True)
@staticmethod
def run_ansible(params, check_mode):
'''run the idempotent ansible code'''
state = params['state']
action = None
if state == 'present':
action = 'add-' + params['resource_kind'] + '-to-group'
else:
action = 'remove-' + params['resource_kind'] + '-from-group'
nconfig = PolicyGroupConfig(params['namespace'],
params['kubeconfig'],
{'action': {'value': action, 'include': False},
'group': {'value': params['group'], 'include': False},
'resource_kind': {'value': params['resource_kind'], 'include': False},
'name': {'value': params['resource_name'], 'include': False},
})
policygroup = PolicyGroup(nconfig, params['debug'])
# Run the oc adm policy group related command
########
# Delete
########
if state == 'absent':
if not policygroup.exists():
return {'changed': False, 'state': 'absent'}
if check_mode:
return {'changed': False, 'msg': 'CHECK_MODE: would have performed a delete.'}
api_rval = policygroup.perform()
if api_rval['returncode'] != 0:
return {'msg': api_rval}
return {'changed': True, 'results' : api_rval, state:'absent'}
if state == 'present':
########
# Create
########
results = policygroup.exists()
if isinstance(results, dict) and 'returncode' in results and results['returncode'] != 0:
return {'msg': results}
if not results:
if check_mode:
return {'changed': False, 'msg': 'CHECK_MODE: would have performed a create.'}
api_rval = policygroup.perform()
if api_rval['returncode'] != 0:
return {'msg': api_rval}
return {'changed': True, 'results': api_rval, state: 'present'}
return {'changed': False, state: 'present'}
return {'failed': True, 'changed': False, 'results': 'Unknown state passed. %s' % state, state: 'unknown'}
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