diff options
Diffstat (limited to 'roles/lib_utils/filter_plugins/openshift_master.py')
| -rw-r--r-- | roles/lib_utils/filter_plugins/openshift_master.py | 528 |
1 files changed, 528 insertions, 0 deletions
diff --git a/roles/lib_utils/filter_plugins/openshift_master.py b/roles/lib_utils/filter_plugins/openshift_master.py new file mode 100644 index 000000000..e67b19c28 --- /dev/null +++ b/roles/lib_utils/filter_plugins/openshift_master.py @@ -0,0 +1,528 @@ +#!/usr/bin/python +# -*- coding: utf-8 -*- +''' +Custom filters for use in openshift-master +''' +import copy +import sys + +from ansible import errors +from ansible.parsing.yaml.dumper import AnsibleDumper +from ansible.plugins.filter.core import to_bool as ansible_bool + +from ansible.module_utils.six import string_types, u + +import yaml + + +class IdentityProviderBase(object): + """ IdentityProviderBase + + Attributes: + name (str): Identity provider Name + login (bool): Is this identity provider a login provider? + challenge (bool): Is this identity provider a challenge provider? + provider (dict): Provider specific config + _idp (dict): internal copy of the IDP dict passed in + _required (list): List of lists of strings for required attributes + _optional (list): List of lists of strings for optional attributes + _allow_additional (bool): Does this provider support attributes + not in _required and _optional + + Args: + api_version(str): OpenShift config version + idp (dict): idp config dict + + Raises: + AnsibleFilterError: + """ + # disabling this check since the number of instance attributes are + # necessary for this class + # pylint: disable=too-many-instance-attributes + def __init__(self, api_version, idp): + if api_version not in ['v1']: + raise errors.AnsibleFilterError("|failed api version {0} unknown".format(api_version)) + + self._idp = copy.deepcopy(idp) + + if 'name' not in self._idp: + raise errors.AnsibleFilterError("|failed identity provider missing a name") + + if 'kind' not in self._idp: + raise errors.AnsibleFilterError("|failed identity provider missing a kind") + + self.name = self._idp.pop('name') + self.login = ansible_bool(self._idp.pop('login', False)) + self.challenge = ansible_bool(self._idp.pop('challenge', False)) + self.provider = dict(apiVersion=api_version, kind=self._idp.pop('kind')) + + mm_keys = ('mappingMethod', 'mapping_method') + mapping_method = None + for key in mm_keys: + if key in self._idp: + mapping_method = self._idp.pop(key) + if mapping_method is None: + mapping_method = self.get_default('mappingMethod') + self.mapping_method = mapping_method + + valid_mapping_methods = ['add', 'claim', 'generate', 'lookup'] + if self.mapping_method not in valid_mapping_methods: + raise errors.AnsibleFilterError("|failed unknown mapping method " + "for provider {0}".format(self.__class__.__name__)) + self._required = [] + self._optional = [] + self._allow_additional = True + + @staticmethod + def validate_idp_list(idp_list): + ''' validates a list of idps ''' + names = [x.name for x in idp_list] + if len(set(names)) != len(names): + raise errors.AnsibleFilterError("|failed more than one provider configured with the same name") + + for idp in idp_list: + idp.validate() + + def validate(self): + ''' validate an instance of this idp class ''' + pass + + @staticmethod + def get_default(key): + ''' get a default value for a given key ''' + if key == 'mappingMethod': + return 'claim' + else: + return None + + def set_provider_item(self, items, required=False): + ''' set a provider item based on the list of item names provided. ''' + for item in items: + provider_key = items[0] + if item in self._idp: + self.provider[provider_key] = self._idp.pop(item) + break + else: + default = self.get_default(provider_key) + if default is not None: + self.provider[provider_key] = default + elif required: + raise errors.AnsibleFilterError("|failed provider {0} missing " + "required key {1}".format(self.__class__.__name__, provider_key)) + + def set_provider_items(self): + ''' set the provider items for this idp ''' + for items in self._required: + self.set_provider_item(items, True) + for items in self._optional: + self.set_provider_item(items) + if self._allow_additional: + for key in self._idp.keys(): + self.set_provider_item([key]) + else: + if len(self._idp) > 0: + raise errors.AnsibleFilterError("|failed provider {0} " + "contains unknown keys " + "{1}".format(self.__class__.__name__, ', '.join(self._idp.keys()))) + + def to_dict(self): + ''' translate this idp to a dictionary ''' + return dict(name=self.name, challenge=self.challenge, + login=self.login, mappingMethod=self.mapping_method, + provider=self.provider) + + +class LDAPPasswordIdentityProvider(IdentityProviderBase): + """ LDAPPasswordIdentityProvider + + Attributes: + + Args: + api_version(str): OpenShift config version + idp (dict): idp config dict + + Raises: + AnsibleFilterError: + """ + def __init__(self, api_version, idp): + super(LDAPPasswordIdentityProvider, self).__init__(api_version, idp) + self._allow_additional = False + self._required += [['attributes'], ['url'], ['insecure']] + self._optional += [['ca'], + ['bindDN', 'bind_dn'], + ['bindPassword', 'bind_password']] + + self._idp['insecure'] = ansible_bool(self._idp.pop('insecure', False)) + + if 'attributes' in self._idp and 'preferred_username' in self._idp['attributes']: + pref_user = self._idp['attributes'].pop('preferred_username') + self._idp['attributes']['preferredUsername'] = pref_user + + def validate(self): + ''' validate this idp instance ''' + if not isinstance(self.provider['attributes'], dict): + raise errors.AnsibleFilterError("|failed attributes for provider " + "{0} must be a dictionary".format(self.__class__.__name__)) + + attrs = ['id', 'email', 'name', 'preferredUsername'] + for attr in attrs: + if attr in self.provider['attributes'] and not isinstance(self.provider['attributes'][attr], list): + raise errors.AnsibleFilterError("|failed {0} attribute for " + "provider {1} must be a list".format(attr, self.__class__.__name__)) + + unknown_attrs = set(self.provider['attributes'].keys()) - set(attrs) + if len(unknown_attrs) > 0: + raise errors.AnsibleFilterError("|failed provider {0} has unknown " + "attributes: {1}".format(self.__class__.__name__, ', '.join(unknown_attrs))) + + +class KeystonePasswordIdentityProvider(IdentityProviderBase): + """ KeystoneIdentityProvider + + Attributes: + + Args: + api_version(str): OpenShift config version + idp (dict): idp config dict + + Raises: + AnsibleFilterError: + """ + def __init__(self, api_version, idp): + super(KeystonePasswordIdentityProvider, self).__init__(api_version, idp) + self._allow_additional = False + self._required += [['url'], ['domainName', 'domain_name']] + self._optional += [['ca'], ['certFile', 'cert_file'], ['keyFile', 'key_file']] + + +class RequestHeaderIdentityProvider(IdentityProviderBase): + """ RequestHeaderIdentityProvider + + Attributes: + + Args: + api_version(str): OpenShift config version + idp (dict): idp config dict + + Raises: + AnsibleFilterError: + """ + def __init__(self, api_version, idp): + super(RequestHeaderIdentityProvider, self).__init__(api_version, idp) + self._allow_additional = False + self._required += [['headers']] + self._optional += [['challengeURL', 'challenge_url'], + ['loginURL', 'login_url'], + ['clientCA', 'client_ca'], + ['clientCommonNames', 'client_common_names'], + ['emailHeaders', 'email_headers'], + ['nameHeaders', 'name_headers'], + ['preferredUsernameHeaders', 'preferred_username_headers']] + + def validate(self): + ''' validate this idp instance ''' + if not isinstance(self.provider['headers'], list): + raise errors.AnsibleFilterError("|failed headers for provider {0} " + "must be a list".format(self.__class__.__name__)) + + +class AllowAllPasswordIdentityProvider(IdentityProviderBase): + """ AllowAllPasswordIdentityProvider + + Attributes: + + Args: + api_version(str): OpenShift config version + idp (dict): idp config dict + + Raises: + AnsibleFilterError: + """ + def __init__(self, api_version, idp): + super(AllowAllPasswordIdentityProvider, self).__init__(api_version, idp) + self._allow_additional = False + + +class DenyAllPasswordIdentityProvider(IdentityProviderBase): + """ DenyAllPasswordIdentityProvider + + Attributes: + + Args: + api_version(str): OpenShift config version + idp (dict): idp config dict + + Raises: + AnsibleFilterError: + """ + def __init__(self, api_version, idp): + super(DenyAllPasswordIdentityProvider, self).__init__(api_version, idp) + self._allow_additional = False + + +class HTPasswdPasswordIdentityProvider(IdentityProviderBase): + """ HTPasswdPasswordIdentity + + Attributes: + + Args: + api_version(str): OpenShift config version + idp (dict): idp config dict + + Raises: + AnsibleFilterError: + """ + def __init__(self, api_version, idp): + super(HTPasswdPasswordIdentityProvider, self).__init__(api_version, idp) + self._allow_additional = False + self._required += [['file', 'filename', 'fileName', 'file_name']] + + @staticmethod + def get_default(key): + if key == 'file': + return '/etc/origin/htpasswd' + else: + return IdentityProviderBase.get_default(key) + + +class BasicAuthPasswordIdentityProvider(IdentityProviderBase): + """ BasicAuthPasswordIdentityProvider + + Attributes: + + Args: + api_version(str): OpenShift config version + idp (dict): idp config dict + + Raises: + AnsibleFilterError: + """ + def __init__(self, api_version, idp): + super(BasicAuthPasswordIdentityProvider, self).__init__(api_version, idp) + self._allow_additional = False + self._required += [['url']] + self._optional += [['ca'], ['certFile', 'cert_file'], ['keyFile', 'key_file']] + + +class IdentityProviderOauthBase(IdentityProviderBase): + """ IdentityProviderOauthBase + + Attributes: + + Args: + api_version(str): OpenShift config version + idp (dict): idp config dict + + Raises: + AnsibleFilterError: + """ + def __init__(self, api_version, idp): + super(IdentityProviderOauthBase, self).__init__(api_version, idp) + self._allow_additional = False + self._required += [['clientID', 'client_id'], ['clientSecret', 'client_secret']] + + def validate(self): + ''' validate an instance of this idp class ''' + pass + + +class OpenIDIdentityProvider(IdentityProviderOauthBase): + """ OpenIDIdentityProvider + + Attributes: + + Args: + api_version(str): OpenShift config version + idp (dict): idp config dict + + Raises: + AnsibleFilterError: + """ + def __init__(self, api_version, idp): + IdentityProviderOauthBase.__init__(self, api_version, idp) + self._required += [['claims'], ['urls']] + self._optional += [['ca'], + ['extraScopes'], + ['extraAuthorizeParameters']] + if 'claims' in self._idp and 'preferred_username' in self._idp['claims']: + pref_user = self._idp['claims'].pop('preferred_username') + self._idp['claims']['preferredUsername'] = pref_user + if 'urls' in self._idp and 'user_info' in self._idp['urls']: + user_info = self._idp['urls'].pop('user_info') + self._idp['urls']['userInfo'] = user_info + if 'extra_scopes' in self._idp: + self._idp['extraScopes'] = self._idp.pop('extra_scopes') + if 'extra_authorize_parameters' in self._idp: + self._idp['extraAuthorizeParameters'] = self._idp.pop('extra_authorize_parameters') + + def validate(self): + ''' validate this idp instance ''' + if not isinstance(self.provider['claims'], dict): + raise errors.AnsibleFilterError("|failed claims for provider {0} " + "must be a dictionary".format(self.__class__.__name__)) + + for var, var_type in (('extraScopes', list), ('extraAuthorizeParameters', dict)): + if var in self.provider and not isinstance(self.provider[var], var_type): + raise errors.AnsibleFilterError("|failed {1} for provider " + "{0} must be a {2}".format(self.__class__.__name__, + var, + var_type.__class__.__name__)) + + required_claims = ['id'] + optional_claims = ['email', 'name', 'preferredUsername'] + all_claims = required_claims + optional_claims + + for claim in required_claims: + if claim in required_claims and claim not in self.provider['claims']: + raise errors.AnsibleFilterError("|failed {0} claim missing " + "for provider {1}".format(claim, self.__class__.__name__)) + + for claim in all_claims: + if claim in self.provider['claims'] and not isinstance(self.provider['claims'][claim], list): + raise errors.AnsibleFilterError("|failed {0} claims for " + "provider {1} must be a list".format(claim, self.__class__.__name__)) + + unknown_claims = set(self.provider['claims'].keys()) - set(all_claims) + if len(unknown_claims) > 0: + raise errors.AnsibleFilterError("|failed provider {0} has unknown " + "claims: {1}".format(self.__class__.__name__, ', '.join(unknown_claims))) + + if not isinstance(self.provider['urls'], dict): + raise errors.AnsibleFilterError("|failed urls for provider {0} " + "must be a dictionary".format(self.__class__.__name__)) + + required_urls = ['authorize', 'token'] + optional_urls = ['userInfo'] + all_urls = required_urls + optional_urls + + for url in required_urls: + if url not in self.provider['urls']: + raise errors.AnsibleFilterError("|failed {0} url missing for " + "provider {1}".format(url, self.__class__.__name__)) + + unknown_urls = set(self.provider['urls'].keys()) - set(all_urls) + if len(unknown_urls) > 0: + raise errors.AnsibleFilterError("|failed provider {0} has unknown " + "urls: {1}".format(self.__class__.__name__, ', '.join(unknown_urls))) + + +class GoogleIdentityProvider(IdentityProviderOauthBase): + """ GoogleIdentityProvider + + Attributes: + + Args: + api_version(str): OpenShift config version + idp (dict): idp config dict + + Raises: + AnsibleFilterError: + """ + def __init__(self, api_version, idp): + IdentityProviderOauthBase.__init__(self, api_version, idp) + self._optional += [['hostedDomain', 'hosted_domain']] + + def validate(self): + ''' validate this idp instance ''' + if self.challenge: + raise errors.AnsibleFilterError("|failed provider {0} does not " + "allow challenge authentication".format(self.__class__.__name__)) + + +class GitHubIdentityProvider(IdentityProviderOauthBase): + """ GitHubIdentityProvider + + Attributes: + + Args: + api_version(str): OpenShift config version + idp (dict): idp config dict + + Raises: + AnsibleFilterError: + """ + def __init__(self, api_version, idp): + IdentityProviderOauthBase.__init__(self, api_version, idp) + self._optional += [['organizations'], + ['teams']] + + def validate(self): + ''' validate this idp instance ''' + if self.challenge: + raise errors.AnsibleFilterError("|failed provider {0} does not " + "allow challenge authentication".format(self.__class__.__name__)) + + +class FilterModule(object): + ''' Custom ansible filters for use by the openshift_master role''' + + @staticmethod + def translate_idps(idps, api_version): + ''' Translates a list of dictionaries into a valid identityProviders config ''' + idp_list = [] + + if not isinstance(idps, list): + raise errors.AnsibleFilterError("|failed expects to filter on a list of identity providers") + for idp in idps: + if not isinstance(idp, dict): + raise errors.AnsibleFilterError("|failed identity providers must be a list of dictionaries") + + cur_module = sys.modules[__name__] + idp_class = getattr(cur_module, idp['kind'], None) + idp_inst = idp_class(api_version, idp) if idp_class is not None else IdentityProviderBase(api_version, idp) + idp_inst.set_provider_items() + idp_list.append(idp_inst) + + IdentityProviderBase.validate_idp_list(idp_list) + return u(yaml.dump([idp.to_dict() for idp in idp_list], + allow_unicode=True, + default_flow_style=False, + width=float("inf"), + Dumper=AnsibleDumper)) + + @staticmethod + def certificates_to_synchronize(hostvars, include_keys=True, include_ca=True): + ''' Return certificates to synchronize based on facts. ''' + if not issubclass(type(hostvars), dict): + raise errors.AnsibleFilterError("|failed expects hostvars is a dict") + certs = ['admin.crt', + 'admin.key', + 'admin.kubeconfig', + 'master.kubelet-client.crt', + 'master.kubelet-client.key', + 'master.proxy-client.crt', + 'master.proxy-client.key', + 'service-signer.crt', + 'service-signer.key'] + if bool(include_ca): + certs += ['ca.crt', 'ca.key', 'ca-bundle.crt', 'client-ca-bundle.crt'] + if bool(include_keys): + certs += ['serviceaccounts.private.key', + 'serviceaccounts.public.key'] + return certs + + @staticmethod + def oo_htpasswd_users_from_file(file_contents): + ''' return a dictionary of htpasswd users from htpasswd file contents ''' + htpasswd_entries = {} + if not isinstance(file_contents, string_types): + raise errors.AnsibleFilterError("failed, expects to filter on a string") + for line in file_contents.splitlines(): + user = None + passwd = None + if len(line) == 0: + continue + if ':' in line: + user, passwd = line.split(':', 1) + + if user is None or len(user) == 0 or passwd is None or len(passwd) == 0: + error_msg = "failed, expects each line to be a colon separated string representing the user and passwd" + raise errors.AnsibleFilterError(error_msg) + htpasswd_entries[user] = passwd + return htpasswd_entries + + def filters(self): + ''' returns a mapping of filters to methods ''' + return {"translate_idps": self.translate_idps, + "certificates_to_synchronize": self.certificates_to_synchronize, + "oo_htpasswd_users_from_file": self.oo_htpasswd_users_from_file} |