# -*- coding: utf-8 -*- # This code is part of Ansible, but is an independent component. # This particular file snippet, and this file snippet only, is BSD licensed. # Modules you write using this snippet, which is embedded dynamically by Ansible # still belong to the author of the module, and may assign their own license # to the complete work. # # Copyright (c) 2016 Thomas Krahn (@Nosmoht) # # Simplified BSD License (see simplified_bsd.txt or https://opensource.org/licenses/BSD-2-Clause) from __future__ import (absolute_import, division, print_function) __metaclass__ = type import json import os import socket import uuid import re from ansible.module_utils._text import to_bytes, to_native, to_text from ansible.module_utils.six import PY3 from ansible.module_utils.six.moves.urllib.parse import quote from ansible.module_utils.urls import fetch_url, HAS_GSSAPI from ansible.module_utils.basic import env_fallback, AnsibleFallbackNotFound def _env_then_dns_fallback(*args, **kwargs): ''' Load value from environment or DNS in that order''' try: result = env_fallback(*args, **kwargs) if result == '': raise AnsibleFallbackNotFound except AnsibleFallbackNotFound: # If no host was given, we try to guess it from IPA. # The ipa-ca entry is a standard entry that IPA will have set for # the CA. try: return socket.gethostbyaddr(socket.gethostbyname('ipa-ca'))[0] except Exception: raise AnsibleFallbackNotFound class IPAClient(object): def __init__(self, module, host, port, protocol): self.host = host self.port = port self.protocol = protocol self.module = module self.headers = None self.timeout = module.params.get('ipa_timeout') self.use_gssapi = False def get_base_url(self): return '%s://%s/ipa' % (self.protocol, self.host) def get_json_url(self): return '%s/session/json' % self.get_base_url() def login(self, username, password): if 'KRB5CCNAME' in os.environ and HAS_GSSAPI: self.use_gssapi = True elif 'KRB5_CLIENT_KTNAME' in os.environ and HAS_GSSAPI: ccache = "MEMORY:" + str(uuid.uuid4()) os.environ['KRB5CCNAME'] = ccache self.use_gssapi = True else: if not password: if 'KRB5CCNAME' in os.environ or 'KRB5_CLIENT_KTNAME' in os.environ: self.module.warn("In order to use GSSAPI, you need to install 'urllib_gssapi'") self._fail('login', 'Password is required if not using ' 'GSSAPI. To use GSSAPI, please set the ' 'KRB5_CLIENT_KTNAME or KRB5CCNAME (or both) ' ' environment variables.') url = '%s/session/login_password' % self.get_base_url() data = 'user=%s&password=%s' % (quote(username, safe=''), quote(password, safe='')) headers = {'referer': self.get_base_url(), 'Content-Type': 'application/x-www-form-urlencoded', 'Accept': 'text/plain'} try: resp, info = fetch_url(module=self.module, url=url, data=to_bytes(data), headers=headers, timeout=self.timeout) status_code = info['status'] if status_code not in [200, 201, 204]: self._fail('login', info['msg']) self.headers = {'Cookie': info.get('set-cookie')} except Exception as e: self._fail('login', to_native(e)) if not self.headers: self.headers = dict() self.headers.update({ 'referer': self.get_base_url(), 'Content-Type': 'application/json', 'Accept': 'application/json'}) def _fail(self, msg, e): if 'message' in e: err_string = e.get('message') else: err_string = e self.module.fail_json(msg='%s: %s' % (msg, err_string)) def get_ipa_version(self): response = self.ping()['summary'] ipa_ver_regex = re.compile(r'IPA server version (\d\.\d\.\d).*') version_match = ipa_ver_regex.match(response) ipa_version = None if version_match: ipa_version = version_match.groups()[0] return ipa_version def ping(self): return self._post_json(method='ping', name=None) def _post_json(self, method, name, item=None): if item is None: item = {} url = '%s/session/json' % self.get_base_url() data = dict(method=method) # TODO: We should probably handle this a little better. if method in ('ping', 'config_show'): data['params'] = [[], {}] elif method == 'config_mod': data['params'] = [[], item] else: data['params'] = [[name], item] try: resp, info = fetch_url(module=self.module, url=url, data=to_bytes(json.dumps(data)), headers=self.headers, timeout=self.timeout, use_gssapi=self.use_gssapi) status_code = info['status'] if status_code not in [200, 201, 204]: self._fail(method, info['msg']) except Exception as e: self._fail('post %s' % method, to_native(e)) if PY3: charset = resp.headers.get_content_charset('latin-1') else: response_charset = resp.headers.getparam('charset') if response_charset: charset = response_charset else: charset = 'latin-1' resp = json.loads(to_text(resp.read(), encoding=charset)) err = resp.get('error') if err is not None: self._fail('response %s' % method, err) if 'result' in resp: result = resp.get('result') if 'result' in result: result = result.get('result') if isinstance(result, list): if len(result) > 0: return result[0] else: return {} return result return None def get_diff(self, ipa_data, module_data): result = [] for key in module_data.keys(): mod_value = module_data.get(key, None) if isinstance(mod_value, list): default = [] else: default = None ipa_value = ipa_data.get(key, default) if isinstance(ipa_value, list) and not isinstance(mod_value, list): mod_value = [mod_value] if isinstance(ipa_value, list) and isinstance(mod_value, list): mod_value = sorted(mod_value) ipa_value = sorted(ipa_value) if mod_value != ipa_value: result.append(key) return result def modify_if_diff(self, name, ipa_list, module_list, add_method, remove_method, item=None): changed = False diff = list(set(ipa_list) - set(module_list)) if len(diff) > 0: changed = True if not self.module.check_mode: if item: remove_method(name=name, item={item: diff}) else: remove_method(name=name, item=diff) diff = list(set(module_list) - set(ipa_list)) if len(diff) > 0: changed = True if not self.module.check_mode: if item: add_method(name=name, item={item: diff}) else: add_method(name=name, item=diff) return changed def ipa_argument_spec(): return dict( ipa_prot=dict(type='str', default='https', choices=['http', 'https'], fallback=(env_fallback, ['IPA_PROT'])), ipa_host=dict(type='str', default='ipa.example.com', fallback=(_env_then_dns_fallback, ['IPA_HOST'])), ipa_port=dict(type='int', default=443, fallback=(env_fallback, ['IPA_PORT'])), ipa_user=dict(type='str', default='admin', fallback=(env_fallback, ['IPA_USER'])), ipa_pass=dict(type='str', no_log=True, fallback=(env_fallback, ['IPA_PASS'])), ipa_timeout=dict(type='int', default=10, fallback=(env_fallback, ['IPA_TIMEOUT'])), validate_certs=dict(type='bool', default=True), )