okd/roles/lib_openshift/library/oc_adm_policy_user.py

#!/usr/bin/env python
# pylint: disable=missing-docstring
# flake8: noqa: T001
#     ___ ___ _  _ ___ ___    _ _____ ___ ___
#    / __| __| \| | __| _ \  /_\_   _| __|   \
#   | (_ | _|| .` | _||   / / _ \| | | _|| |) |
#    \___|___|_|\_|___|_|_\/_/_\_\_|_|___|___/_ _____
#   |   \ / _ \  | \| |/ _ \_   _| | __|   \_ _|_   _|
#   | |) | (_) | | .` | (_) || |   | _|| |) | |  | |
#   |___/ \___/  |_|\_|\___/ |_|   |___|___/___| |_|
#
# Copyright 2016 Red Hat, Inc. and/or its affiliates
# and other contributors as indicated by the @author tags.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

# -*- -*- -*- Begin included fragment: lib/import.py -*- -*- -*-
'''
   OpenShiftCLI class that wraps the oc commands in a subprocess
'''
# pylint: disable=too-many-lines

from __future__ import print_function
import atexit
import collections
import copy
import json
import os
import re
import shutil
import subprocess
import tempfile
# pylint: disable=import-error
try:
    import ruamel.yaml as yaml
except ImportError:
    import yaml

from ansible.module_utils.basic import AnsibleModule

# -*- -*- -*- End included fragment: lib/import.py -*- -*- -*-

# -*- -*- -*- Begin included fragment: doc/policy_user -*- -*- -*-

DOCUMENTATION = '''
---
module: oc_adm_policy_user
short_description: Module to manage openshift policy for users
description:
  - Manage openshift policy for users.
options:
  kubeconfig:
    description:
    - The path for the kubeconfig file to use for authentication
    required: false
    default: /etc/origin/master/admin.kubeconfig
    aliases: []
  namespace:
    description:
    - The namespace scope
    required: false
    default: None
    aliases: []
  debug:
    description:
    - Turn on debug output.
    required: false
    default: False
    aliases: []
  user:
    description:
    - The name of the user
    required: true
    default: None
    aliases: []
  resource_kind:
    description:
    - The kind of policy to affect
    required: true
    default: None
    choices: ["role", "cluster-role", "scc"]
    aliases: []
  resource_name:
    description:
    - The name of the policy
    required: true
    default: None
    aliases: []
  state:
    description:
    - Desired state of the policy
    required: true
    default: present
    choices: ["present", "absent"]
    aliases: []
author:
- "Kenny Woodson <kwoodson@redhat.com>"
extends_documentation_fragment: []
'''

EXAMPLES = '''
- name: oc adm policy remove-scc-from-user an-scc ausername
  oc_adm_policy_user:
    user: ausername
    resource_kind: scc
    resource_name: an-scc
    state: absent

- name: oc adm policy add-cluster-role-to-user system:build-strategy-docker ausername
  oc_adm_policy_user:
    user: ausername
    resource_kind: cluster-role
    resource_name: system:build-strategy-docker
    state: present
'''

# -*- -*- -*- End included fragment: doc/policy_user -*- -*- -*-

# -*- -*- -*- Begin included fragment: ../../lib_utils/src/class/yedit.py -*- -*- -*-
# pylint: disable=undefined-variable,missing-docstring
# noqa: E301,E302


class YeditException(Exception):
    ''' Exception class for Yedit '''
    pass


# pylint: disable=too-many-public-methods
class Yedit(object):
    ''' Class to modify yaml files '''
    re_valid_key = r"(((\[-?\d+\])|([0-9a-zA-Z%s/_-]+)).?)+$"
    re_key = r"(?:\[(-?\d+)\])|([0-9a-zA-Z%s/_-]+)"
    com_sep = set(['.', '#', '|', ':'])

    # pylint: disable=too-many-arguments
    def __init__(self,
                 filename=None,
                 content=None,
                 content_type='yaml',
                 separator='.',
                 backup=False):
        self.content = content
        self._separator = separator
        self.filename = filename
        self.__yaml_dict = content
        self.content_type = content_type
        self.backup = backup
        self.load(content_type=self.content_type)
        if self.__yaml_dict is None:
            self.__yaml_dict = {}

    @property
    def separator(self):
        ''' getter method for yaml_dict '''
        return self._separator

    @separator.setter
    def separator(self):
        ''' getter method for yaml_dict '''
        return self._separator

    @property
    def yaml_dict(self):
        ''' getter method for yaml_dict '''
        return self.__yaml_dict

    @yaml_dict.setter
    def yaml_dict(self, value):
        ''' setter method for yaml_dict '''
        self.__yaml_dict = value

    @staticmethod
    def parse_key(key, sep='.'):
        '''parse the key allowing the appropriate separator'''
        common_separators = list(Yedit.com_sep - set([sep]))
        return re.findall(Yedit.re_key % ''.join(common_separators), key)

    @staticmethod
    def valid_key(key, sep='.'):
        '''validate the incoming key'''
        common_separators = list(Yedit.com_sep - set([sep]))
        if not re.match(Yedit.re_valid_key % ''.join(common_separators), key):
            return False

        return True

    @staticmethod
    def remove_entry(data, key, sep='.'):
        ''' remove data at location key '''
        if key == '' and isinstance(data, dict):
            data.clear()
            return True
        elif key == '' and isinstance(data, list):
            del data[:]
            return True

        if not (key and Yedit.valid_key(key, sep)) and \
           isinstance(data, (list, dict)):
            return None

        key_indexes = Yedit.parse_key(key, sep)
        for arr_ind, dict_key in key_indexes[:-1]:
            if dict_key and isinstance(data, dict):
                data = data.get(dict_key, None)
            elif (arr_ind and isinstance(data, list) and
                  int(arr_ind) <= len(data) - 1):
                data = data[int(arr_ind)]
            else:
                return None

        # process last index for remove
        # expected list entry
        if key_indexes[-1][0]:
            if isinstance(data, list) and int(key_indexes[-1][0]) <= len(data) - 1:  # noqa: E501
                del data[int(key_indexes[-1][0])]
                return True

        # expected dict entry
        elif key_indexes[-1][1]:
            if isinstance(data, dict):
                del data[key_indexes[-1][1]]
                return True

    @staticmethod
    def add_entry(data, key, item=None, sep='.'):
        ''' Get an item from a dictionary with key notation a.b.c
            d = {'a': {'b': 'c'}}}
            key = a#b
            return c
        '''
        if key == '':
            pass
        elif (not (key and Yedit.valid_key(key, sep)) and
              isinstance(data, (list, dict))):
            return None

        key_indexes = Yedit.parse_key(key, sep)
        for arr_ind, dict_key in key_indexes[:-1]:
            if dict_key:
                if isinstance(data, dict) and dict_key in data and data[dict_key]:  # noqa: E501
                    data = data[dict_key]
                    continue

                elif data and not isinstance(data, dict):
                    raise YeditException("Unexpected item type found while going through key " +
                                         "path: {} (at key: {})".format(key, dict_key))

                data[dict_key] = {}
                data = data[dict_key]

            elif (arr_ind and isinstance(data, list) and
                  int(arr_ind) <= len(data) - 1):
                data = data[int(arr_ind)]
            else:
                raise YeditException("Unexpected item type found while going through key path: {}".format(key))

        if key == '':
            data = item

        # process last index for add
        # expected list entry
        elif key_indexes[-1][0] and isinstance(data, list) and int(key_indexes[-1][0]) <= len(data) - 1:  # noqa: E501
            data[int(key_indexes[-1][0])] = item

        # expected dict entry
        elif key_indexes[-1][1] and isinstance(data, dict):
            data[key_indexes[-1][1]] = item

        # didn't add/update to an existing list, nor add/update key to a dict
        # so we must have been provided some syntax like a.b.c[<int>] = "data" for a
        # non-existent array
        else:
            raise YeditException("Error adding to object at path: {}".format(key))

        return data

    @staticmethod
    def get_entry(data, key, sep='.'):
        ''' Get an item from a dictionary with key notation a.b.c
            d = {'a': {'b': 'c'}}}
            key = a.b
            return c
        '''
        if key == '':
            pass
        elif (not (key and Yedit.valid_key(key, sep)) and
              isinstance(data, (list, dict))):
            return None

        key_indexes = Yedit.parse_key(key, sep)
        for arr_ind, dict_key in key_indexes:
            if dict_key and isinstance(data, dict):
                data = data.get(dict_key, None)
            elif (arr_ind and isinstance(data, list) and
                  int(arr_ind) <= len(data) - 1):
                data = data[int(arr_ind)]
            else:
                return None

        return data

    @staticmethod
    def _write(filename, contents):
        ''' Actually write the file contents to disk. This helps with mocking. '''

        tmp_filename = filename + '.yedit'

        with open(tmp_filename, 'w') as yfd:
            yfd.write(contents)

        os.rename(tmp_filename, filename)

    def write(self):
        ''' write to file '''
        if not self.filename:
            raise YeditException('Please specify a filename.')

        if self.backup and self.file_exists():
            shutil.copy(self.filename, self.filename + '.orig')

        # Try to set format attributes if supported
        try:
            self.yaml_dict.fa.set_block_style()
        except AttributeError:
            pass

        # Try to use RoundTripDumper if supported.
        try:
            Yedit._write(self.filename, yaml.dump(self.yaml_dict, Dumper=yaml.RoundTripDumper))
        except AttributeError:
            Yedit._write(self.filename, yaml.safe_dump(self.yaml_dict, default_flow_style=False))

        return (True, self.yaml_dict)

    def read(self):
        ''' read from file '''
        # check if it exists
        if self.filename is None or not self.file_exists():
            return None

        contents = None
        with open(self.filename) as yfd:
            contents = yfd.read()

        return contents

    def file_exists(self):
        ''' return whether file exists '''
        if os.path.exists(self.filename):
            return True

        return False

    def load(self, content_type='yaml'):
        ''' return yaml file '''
        contents = self.read()

        if not contents and not self.content:
            return None

        if self.content:
            if isinstance(self.content, dict):
                self.yaml_dict = self.content
                return self.yaml_dict
            elif isinstance(self.content, str):
                contents = self.content

        # check if it is yaml
        try:
            if content_type == 'yaml' and contents:
                # Try to set format attributes if supported
                try:
                    self.yaml_dict.fa.set_block_style()
                except AttributeError:
                    pass

                # Try to use RoundTripLoader if supported.
                try:
                    self.yaml_dict = yaml.safe_load(contents, yaml.RoundTripLoader)
                except AttributeError:
                    self.yaml_dict = yaml.safe_load(contents)

                # Try to set format attributes if supported
                try:
                    self.yaml_dict.fa.set_block_style()
                except AttributeError:
                    pass

            elif content_type == 'json' and contents:
                self.yaml_dict = json.loads(contents)
        except yaml.YAMLError as err:
            # Error loading yaml or json
            raise YeditException('Problem with loading yaml file. %s' % err)

        return self.yaml_dict

    def get(self, key):
        ''' get a specified key'''
        try:
            entry = Yedit.get_entry(self.yaml_dict, key, self.separator)
        except KeyError:
            entry = None

        return entry

    def pop(self, path, key_or_item):
        ''' remove a key, value pair from a dict or an item for a list'''
        try:
            entry = Yedit.get_entry(self.yaml_dict, path, self.separator)
        except KeyError:
            entry = None

        if entry is None:
            return (False, self.yaml_dict)

        if isinstance(entry, dict):
            # AUDIT:maybe-no-member makes sense due to fuzzy types
            # pylint: disable=maybe-no-member
            if key_or_item in entry:
                entry.pop(key_or_item)
                return (True, self.yaml_dict)
            return (False, self.yaml_dict)

        elif isinstance(entry, list):
            # AUDIT:maybe-no-member makes sense due to fuzzy types
            # pylint: disable=maybe-no-member
            ind = None
            try:
                ind = entry.index(key_or_item)
            except ValueError:
                return (False, self.yaml_dict)

            entry.pop(ind)
            return (True, self.yaml_dict)

        return (False, self.yaml_dict)

    def delete(self, path):
        ''' remove path from a dict'''
        try:
            entry = Yedit.get_entry(self.yaml_dict, path, self.separator)
        except KeyError:
            entry = None

        if entry is None:
            return (False, self.yaml_dict)

        result = Yedit.remove_entry(self.yaml_dict, path, self.separator)
        if not result:
            return (False, self.yaml_dict)

        return (True, self.yaml_dict)

    def exists(self, path, value):
        ''' check if value exists at path'''
        try:
            entry = Yedit.get_entry(self.yaml_dict, path, self.separator)
        except KeyError:
            entry = None

        if isinstance(entry, list):
            if value in entry:
                return True
            return False

        elif isinstance(entry, dict):
            if isinstance(value, dict):
                rval = False
                for key, val in value.items():
                    if entry[key] != val:
                        rval = False
                        break
                else:
                    rval = True
                return rval

            return value in entry

        return entry == value

    def append(self, path, value):
        '''append value to a list'''
        try:
            entry = Yedit.get_entry(self.yaml_dict, path, self.separator)
        except KeyError:
            entry = None

        if entry is None:
            self.put(path, [])
            entry = Yedit.get_entry(self.yaml_dict, path, self.separator)
        if not isinstance(entry, list):
            return (False, self.yaml_dict)

        # AUDIT:maybe-no-member makes sense due to loading data from
        # a serialized format.
        # pylint: disable=maybe-no-member
        entry.append(value)
        return (True, self.yaml_dict)

    # pylint: disable=too-many-arguments
    def update(self, path, value, index=None, curr_value=None):
        ''' put path, value into a dict '''
        try:
            entry = Yedit.get_entry(self.yaml_dict, path, self.separator)
        except KeyError:
            entry = None

        if isinstance(entry, dict):
            # AUDIT:maybe-no-member makes sense due to fuzzy types
            # pylint: disable=maybe-no-member
            if not isinstance(value, dict):
                raise YeditException('Cannot replace key, value entry in ' +
                                     'dict with non-dict type. value=[%s] [%s]' % (value, type(value)))  # noqa: E501

            entry.update(value)
            return (True, self.yaml_dict)

        elif isinstance(entry, list):
            # AUDIT:maybe-no-member makes sense due to fuzzy types
            # pylint: disable=maybe-no-member
            ind = None
            if curr_value:
                try:
                    ind = entry.index(curr_value)
                except ValueError:
                    return (False, self.yaml_dict)

            elif index is not None:
                ind = index

            if ind is not None and entry[ind] != value:
                entry[ind] = value
                return (True, self.yaml_dict)

            # see if it exists in the list
            try:
                ind = entry.index(value)
            except ValueError:
                # doesn't exist, append it
                entry.append(value)
                return (True, self.yaml_dict)

            # already exists, return
            if ind is not None:
                return (False, self.yaml_dict)
        return (False, self.yaml_dict)

    def put(self, path, value):
        ''' put path, value into a dict '''
        try:
            entry = Yedit.get_entry(self.yaml_dict, path, self.separator)
        except KeyError:
            entry = None

        if entry == value:
            return (False, self.yaml_dict)

        # deepcopy didn't work
        # Try to use ruamel.yaml and fallback to pyyaml
        try:
            tmp_copy = yaml.load(yaml.round_trip_dump(self.yaml_dict,
                                                      default_flow_style=False),
                                 yaml.RoundTripLoader)
        except AttributeError:
            tmp_copy = copy.deepcopy(self.yaml_dict)

        # set the format attributes if available
        try:
            tmp_copy.fa.set_block_style()
        except AttributeError:
            pass

        result = Yedit.add_entry(tmp_copy, path, value, self.separator)
        if not result:
            return (False, self.yaml_dict)

        self.yaml_dict = tmp_copy

        return (True, self.yaml_dict)

    def create(self, path, value):
        ''' create a yaml file '''
        if not self.file_exists():
            # deepcopy didn't work
            # Try to use ruamel.yaml and fallback to pyyaml
            try:
                tmp_copy = yaml.load(yaml.round_trip_dump(self.yaml_dict,
                                                          default_flow_style=False),
                                     yaml.RoundTripLoader)
            except AttributeError:
                tmp_copy = copy.deepcopy(self.yaml_dict)

            # set the format attributes if available
            try:
                tmp_copy.fa.set_block_style()
            except AttributeError:
                pass

            result = Yedit.add_entry(tmp_copy, path, value, self.separator)
            if result:
                self.yaml_dict = tmp_copy
                return (True, self.yaml_dict)

        return (False, self.yaml_dict)

    @staticmethod
    def get_curr_value(invalue, val_type):
        '''return the current value'''
        if invalue is None:
            return None

        curr_value = invalue
        if val_type == 'yaml':
            curr_value = yaml.load(invalue)
        elif val_type == 'json':
            curr_value = json.loads(invalue)

        return curr_value

    @staticmethod
    def parse_value(inc_value, vtype=''):
        '''determine value type passed'''
        true_bools = ['y', 'Y', 'yes', 'Yes', 'YES', 'true', 'True', 'TRUE',
                      'on', 'On', 'ON', ]
        false_bools = ['n', 'N', 'no', 'No', 'NO', 'false', 'False', 'FALSE',
                       'off', 'Off', 'OFF']

        # It came in as a string but you didn't specify value_type as string
        # we will convert to bool if it matches any of the above cases
        if isinstance(inc_value, str) and 'bool' in vtype:
            if inc_value not in true_bools and inc_value not in false_bools:
                raise YeditException('Not a boolean type. str=[%s] vtype=[%s]'
                                     % (inc_value, vtype))
        elif isinstance(inc_value, bool) and 'str' in vtype:
            inc_value = str(inc_value)

        # If vtype is not str then go ahead and attempt to yaml load it.
        if isinstance(inc_value, str) and 'str' not in vtype:
            try:
                inc_value = yaml.load(inc_value)
            except Exception:
                raise YeditException('Could not determine type of incoming ' +
                                     'value. value=[%s] vtype=[%s]'
                                     % (type(inc_value), vtype))

        return inc_value

    # pylint: disable=too-many-return-statements,too-many-branches
    @staticmethod
    def run_ansible(module):
        '''perform the idempotent crud operations'''
        yamlfile = Yedit(filename=module.params['src'],
                         backup=module.params['backup'],
                         separator=module.params['separator'])

        if module.params['src']:
            rval = yamlfile.load()

            if yamlfile.yaml_dict is None and \
               module.params['state'] != 'present':
                return {'failed': True,
                        'msg': 'Error opening file [%s].  Verify that the ' +
                               'file exists, that it is has correct' +
                               ' permissions, and is valid yaml.'}

        if module.params['state'] == 'list':
            if module.params['content']:
                content = Yedit.parse_value(module.params['content'],
                                            module.params['content_type'])
                yamlfile.yaml_dict = content

            if module.params['key']:
                rval = yamlfile.get(module.params['key']) or {}

            return {'changed': False, 'result': rval, 'state': "list"}

        elif module.params['state'] == 'absent':
            if module.params['content']:
                content = Yedit.parse_value(module.params['content'],
                                            module.params['content_type'])
                yamlfile.yaml_dict = content

            if module.params['update']:
                rval = yamlfile.pop(module.params['key'],
                                    module.params['value'])
            else:
                rval = yamlfile.delete(module.params['key'])

            if rval[0] and module.params['src']:
                yamlfile.write()

            return {'changed': rval[0], 'result': rval[1], 'state': "absent"}

        elif module.params['state'] == 'present':
            # check if content is different than what is in the file
            if module.params['content']:
                content = Yedit.parse_value(module.params['content'],
                                            module.params['content_type'])

                # We had no edits to make and the contents are the same
                if yamlfile.yaml_dict == content and \
                   module.params['value'] is None:
                    return {'changed': False,
                            'result': yamlfile.yaml_dict,
                            'state': "present"}

                yamlfile.yaml_dict = content

            # we were passed a value; parse it
            if module.params['value']:
                value = Yedit.parse_value(module.params['value'],
                                          module.params['value_type'])
                key = module.params['key']
                if module.params['update']:
                    # pylint: disable=line-too-long
                    curr_value = Yedit.get_curr_value(Yedit.parse_value(module.params['curr_value']),  # noqa: E501
                                                      module.params['curr_value_format'])  # noqa: E501

                    rval = yamlfile.update(key, value, module.params['index'], curr_value)  # noqa: E501

                elif module.params['append']:
                    rval = yamlfile.append(key, value)
                else:
                    rval = yamlfile.put(key, value)

                if rval[0] and module.params['src']:
                    yamlfile.write()

                return {'changed': rval[0],
                        'result': rval[1], 'state': "present"}

            # no edits to make
            if module.params['src']:
                # pylint: disable=redefined-variable-type
                rval = yamlfile.write()
                return {'changed': rval[0],
                        'result': rval[1],
                        'state': "present"}

        return {'failed': True, 'msg': 'Unkown state passed'}

# -*- -*- -*- End included fragment: ../../lib_utils/src/class/yedit.py -*- -*- -*-

# -*- -*- -*- Begin included fragment: lib/base.py -*- -*- -*-
# pylint: disable=too-many-lines
# noqa: E301,E302,E303,T001


class OpenShiftCLIError(Exception):
    '''Exception class for openshiftcli'''
    pass


ADDITIONAL_PATH_LOOKUPS = ['/usr/local/bin', os.path.expanduser('~/bin')]


def locate_oc_binary():
    ''' Find and return oc binary file '''
    # https://github.com/openshift/openshift-ansible/issues/3410
    # oc can be in /usr/local/bin in some cases, but that may not
    # be in $PATH due to ansible/sudo
    paths = os.environ.get("PATH", os.defpath).split(os.pathsep) + ADDITIONAL_PATH_LOOKUPS

    oc_binary = 'oc'

    # Use shutil.which if it is available, otherwise fallback to a naive path search
    try:
        which_result = shutil.which(oc_binary, path=os.pathsep.join(paths))
        if which_result is not None:
            oc_binary = which_result
    except AttributeError:
        for path in paths:
            if os.path.exists(os.path.join(path, oc_binary)):
                oc_binary = os.path.join(path, oc_binary)
                break

    return oc_binary


# pylint: disable=too-few-public-methods
class OpenShiftCLI(object):
    ''' Class to wrap the command line tools '''
    def __init__(self,
                 namespace,
                 kubeconfig='/etc/origin/master/admin.kubeconfig',
                 verbose=False,
                 all_namespaces=False):
        ''' Constructor for OpenshiftCLI '''
        self.namespace = namespace
        self.verbose = verbose
        self.kubeconfig = Utils.create_tmpfile_copy(kubeconfig)
        self.all_namespaces = all_namespaces
        self.oc_binary = locate_oc_binary()

    # Pylint allows only 5 arguments to be passed.
    # pylint: disable=too-many-arguments
    def _replace_content(self, resource, rname, content, force=False, sep='.'):
        ''' replace the current object with the content '''
        res = self._get(resource, rname)
        if not res['results']:
            return res

        fname = Utils.create_tmpfile(rname + '-')

        yed = Yedit(fname, res['results'][0], separator=sep)
        changes = []
        for key, value in content.items():
            changes.append(yed.put(key, value))

        if any([change[0] for change in changes]):
            yed.write()

            atexit.register(Utils.cleanup, [fname])

            return self._replace(fname, force)

        return {'returncode': 0, 'updated': False}

    def _replace(self, fname, force=False):
        '''replace the current object with oc replace'''
        cmd = ['replace', '-f', fname]
        if force:
            cmd.append('--force')
        return self.openshift_cmd(cmd)

    def _create_from_content(self, rname, content):
        '''create a temporary file and then call oc create on it'''
        fname = Utils.create_tmpfile(rname + '-')
        yed = Yedit(fname, content=content)
        yed.write()

        atexit.register(Utils.cleanup, [fname])

        return self._create(fname)

    def _create(self, fname):
        '''call oc create on a filename'''
        return self.openshift_cmd(['create', '-f', fname])

    def _delete(self, resource, rname, selector=None):
        '''call oc delete on a resource'''
        cmd = ['delete', resource, rname]
        if selector:
            cmd.append('--selector=%s' % selector)

        return self.openshift_cmd(cmd)

    def _process(self, template_name, create=False, params=None, template_data=None):  # noqa: E501
        '''process a template

           template_name: the name of the template to process
           create: whether to send to oc create after processing
           params: the parameters for the template
           template_data: the incoming template's data; instead of a file
        '''
        cmd = ['process']
        if template_data:
            cmd.extend(['-f', '-'])
        else:
            cmd.append(template_name)
        if params:
            param_str = ["%s=%s" % (key, value) for key, value in params.items()]
            cmd.append('-v')
            cmd.extend(param_str)

        results = self.openshift_cmd(cmd, output=True, input_data=template_data)

        if results['returncode'] != 0 or not create:
            return results

        fname = Utils.create_tmpfile(template_name + '-')
        yed = Yedit(fname, results['results'])
        yed.write()

        atexit.register(Utils.cleanup, [fname])

        return self.openshift_cmd(['create', '-f', fname])

    def _get(self, resource, rname=None, selector=None):
        '''return a resource by name '''
        cmd = ['get', resource]
        if selector:
            cmd.append('--selector=%s' % selector)
        elif rname:
            cmd.append(rname)

        cmd.extend(['-o', 'json'])

        rval = self.openshift_cmd(cmd, output=True)

        # Ensure results are retuned in an array
        if 'items' in rval:
            rval['results'] = rval['items']
        elif not isinstance(rval['results'], list):
            rval['results'] = [rval['results']]

        return rval

    def _schedulable(self, node=None, selector=None, schedulable=True):
        ''' perform oadm manage-node scheduable '''
        cmd = ['manage-node']
        if node:
            cmd.extend(node)
        else:
            cmd.append('--selector=%s' % selector)

        cmd.append('--schedulable=%s' % schedulable)

        return self.openshift_cmd(cmd, oadm=True, output=True, output_type='raw')  # noqa: E501

    def _list_pods(self, node=None, selector=None, pod_selector=None):
        ''' perform oadm list pods

            node: the node in which to list pods
            selector: the label selector filter if provided
            pod_selector: the pod selector filter if provided
        '''
        cmd = ['manage-node']
        if node:
            cmd.extend(node)
        else:
            cmd.append('--selector=%s' % selector)

        if pod_selector:
            cmd.append('--pod-selector=%s' % pod_selector)

        cmd.extend(['--list-pods', '-o', 'json'])

        return self.openshift_cmd(cmd, oadm=True, output=True, output_type='raw')

    # pylint: disable=too-many-arguments
    def _evacuate(self, node=None, selector=None, pod_selector=None, dry_run=False, grace_period=None, force=False):
        ''' perform oadm manage-node evacuate '''
        cmd = ['manage-node']
        if node:
            cmd.extend(node)
        else:
            cmd.append('--selector=%s' % selector)

        if dry_run:
            cmd.append('--dry-run')

        if pod_selector:
            cmd.append('--pod-selector=%s' % pod_selector)

        if grace_period:
            cmd.append('--grace-period=%s' % int(grace_period))

        if force:
            cmd.append('--force')

        cmd.append('--evacuate')

        return self.openshift_cmd(cmd, oadm=True, output=True, output_type='raw')

    def _version(self):
        ''' return the openshift version'''
        return self.openshift_cmd(['version'], output=True, output_type='raw')

    def _import_image(self, url=None, name=None, tag=None):
        ''' perform image import '''
        cmd = ['import-image']

        image = '{0}'.format(name)
        if tag:
            image += ':{0}'.format(tag)

        cmd.append(image)

        if url:
            cmd.append('--from={0}/{1}'.format(url, image))

        cmd.append('-n{0}'.format(self.namespace))

        cmd.append('--confirm')
        return self.openshift_cmd(cmd)

    def _run(self, cmds, input_data):
        ''' Actually executes the command. This makes mocking easier. '''
        curr_env = os.environ.copy()
        curr_env.update({'KUBECONFIG': self.kubeconfig})
        proc = subprocess.Popen(cmds,
                                stdin=subprocess.PIPE,
                                stdout=subprocess.PIPE,
                                stderr=subprocess.PIPE,
                                env=curr_env)

        stdout, stderr = proc.communicate(input_data)

        return proc.returncode, stdout.decode(), stderr.decode()

    # pylint: disable=too-many-arguments,too-many-branches
    def openshift_cmd(self, cmd, oadm=False, output=False, output_type='json', input_data=None):
        '''Base command for oc '''
        cmds = [self.oc_binary]

        if oadm:
            cmds.append('adm')

        cmds.extend(cmd)

        if self.all_namespaces:
            cmds.extend(['--all-namespaces'])
        elif self.namespace is not None and self.namespace.lower() not in ['none', 'emtpy']:  # E501
            cmds.extend(['-n', self.namespace])

        rval = {}
        results = ''
        err = None

        if self.verbose:
            print(' '.join(cmds))

        try:
            returncode, stdout, stderr = self._run(cmds, input_data)
        except OSError as ex:
            returncode, stdout, stderr = 1, '', 'Failed to execute {}: {}'.format(subprocess.list2cmdline(cmds), ex)

        rval = {"returncode": returncode,
                "results": results,
                "cmd": ' '.join(cmds)}

        if returncode == 0:
            if output:
                if output_type == 'json':
                    try:
                        rval['results'] = json.loads(stdout)
                    except ValueError as err:
                        if "No JSON object could be decoded" in err.args:
                            err = err.args
                elif output_type == 'raw':
                    rval['results'] = stdout

            if self.verbose:
                print("STDOUT: {0}".format(stdout))
                print("STDERR: {0}".format(stderr))

            if err:
                rval.update({"err": err,
                             "stderr": stderr,
                             "stdout": stdout,
                             "cmd": cmds})

        else:
            rval.update({"stderr": stderr,
                         "stdout": stdout,
                         "results": {}})

        return rval


class Utils(object):
    ''' utilities for openshiftcli modules '''

    @staticmethod
    def _write(filename, contents):
        ''' Actually write the file contents to disk. This helps with mocking. '''

        with open(filename, 'w') as sfd:
            sfd.write(contents)

    @staticmethod
    def create_tmp_file_from_contents(rname, data, ftype='yaml'):
        ''' create a file in tmp with name and contents'''

        tmp = Utils.create_tmpfile(prefix=rname)

        if ftype == 'yaml':
            # AUDIT:no-member makes sense here due to ruamel.YAML/PyYAML usage
            # pylint: disable=no-member
            if hasattr(yaml, 'RoundTripDumper'):
                Utils._write(tmp, yaml.dump(data, Dumper=yaml.RoundTripDumper))
            else:
                Utils._write(tmp, yaml.safe_dump(data, default_flow_style=False))

        elif ftype == 'json':
            Utils._write(tmp, json.dumps(data))
        else:
            Utils._write(tmp, data)

        # Register cleanup when module is done
        atexit.register(Utils.cleanup, [tmp])
        return tmp

    @staticmethod
    def create_tmpfile_copy(inc_file):
        '''create a temporary copy of a file'''
        tmpfile = Utils.create_tmpfile('lib_openshift-')
        Utils._write(tmpfile, open(inc_file).read())

        # Cleanup the tmpfile
        atexit.register(Utils.cleanup, [tmpfile])

        return tmpfile

    @staticmethod
    def create_tmpfile(prefix='tmp'):
        ''' Generates and returns a temporary file name '''

        with tempfile.NamedTemporaryFile(prefix=prefix, delete=False) as tmp:
            return tmp.name

    @staticmethod
    def create_tmp_files_from_contents(content, content_type=None):
        '''Turn an array of dict: filename, content into a files array'''
        if not isinstance(content, list):
            content = [content]
        files = []
        for item in content:
            path = Utils.create_tmp_file_from_contents(item['path'] + '-',
                                                       item['data'],
                                                       ftype=content_type)
            files.append({'name': os.path.basename(item['path']),
                          'path': path})
        return files

    @staticmethod
    def cleanup(files):
        '''Clean up on exit '''
        for sfile in files:
            if os.path.exists(sfile):
                if os.path.isdir(sfile):
                    shutil.rmtree(sfile)
                elif os.path.isfile(sfile):
                    os.remove(sfile)

    @staticmethod
    def exists(results, _name):
        ''' Check to see if the results include the name '''
        if not results:
            return False

        if Utils.find_result(results, _name):
            return True

        return False

    @staticmethod
    def find_result(results, _name):
        ''' Find the specified result by name'''
        rval = None
        for result in results:
            if 'metadata' in result and result['metadata']['name'] == _name:
                rval = result
                break

        return rval

    @staticmethod
    def get_resource_file(sfile, sfile_type='yaml'):
        ''' return the service file '''
        contents = None
        with open(sfile) as sfd:
            contents = sfd.read()

        if sfile_type == 'yaml':
            # AUDIT:no-member makes sense here due to ruamel.YAML/PyYAML usage
            # pylint: disable=no-member
            if hasattr(yaml, 'RoundTripLoader'):
                contents = yaml.load(contents, yaml.RoundTripLoader)
            else:
                contents = yaml.safe_load(contents)
        elif sfile_type == 'json':
            contents = json.loads(contents)

        return contents

    @staticmethod
    def filter_versions(stdout):
        ''' filter the oc version output '''

        version_dict = {}
        version_search = ['oc', 'openshift', 'kubernetes']

        for line in stdout.strip().split('\n'):
            for term in version_search:
                if not line:
                    continue
                if line.startswith(term):
                    version_dict[term] = line.split()[-1]

        # horrible hack to get openshift version in Openshift 3.2
        #  By default "oc version in 3.2 does not return an "openshift" version
        if "openshift" not in version_dict:
            version_dict["openshift"] = version_dict["oc"]

        return version_dict

    @staticmethod
    def add_custom_versions(versions):
        ''' create custom versions strings '''

        versions_dict = {}

        for tech, version in versions.items():
            # clean up "-" from version
            if "-" in version:
                version = version.split("-")[0]

            if version.startswith('v'):
                versions_dict[tech + '_numeric'] = version[1:].split('+')[0]
                # "v3.3.0.33" is what we have, we want "3.3"
                versions_dict[tech + '_short'] = version[1:4]

        return versions_dict

    @staticmethod
    def openshift_installed():
        ''' check if openshift is installed '''
        import yum

        yum_base = yum.YumBase()
        if yum_base.rpmdb.searchNevra(name='atomic-openshift'):
            return True

        return False

    # Disabling too-many-branches.  This is a yaml dictionary comparison function
    # pylint: disable=too-many-branches,too-many-return-statements,too-many-statements
    @staticmethod
    def check_def_equal(user_def, result_def, skip_keys=None, debug=False):
        ''' Given a user defined definition, compare it with the results given back by our query.  '''

        # Currently these values are autogenerated and we do not need to check them
        skip = ['metadata', 'status']
        if skip_keys:
            skip.extend(skip_keys)

        for key, value in result_def.items():
            if key in skip:
                continue

            # Both are lists
            if isinstance(value, list):
                if key not in user_def:
                    if debug:
                        print('User data does not have key [%s]' % key)
                        print('User data: %s' % user_def)
                    return False

                if not isinstance(user_def[key], list):
                    if debug:
                        print('user_def[key] is not a list key=[%s] user_def[key]=%s' % (key, user_def[key]))
                    return False

                if len(user_def[key]) != len(value):
                    if debug:
                        print("List lengths are not equal.")
                        print("key=[%s]: user_def[%s] != value[%s]" % (key, len(user_def[key]), len(value)))
                        print("user_def: %s" % user_def[key])
                        print("value: %s" % value)
                    return False

                for values in zip(user_def[key], value):
                    if isinstance(values[0], dict) and isinstance(values[1], dict):
                        if debug:
                            print('sending list - list')
                            print(type(values[0]))
                            print(type(values[1]))
                        result = Utils.check_def_equal(values[0], values[1], skip_keys=skip_keys, debug=debug)
                        if not result:
                            print('list compare returned false')
                            return False

                    elif value != user_def[key]:
                        if debug:
                            print('value should be identical')
                            print(user_def[key])
                            print(value)
                        return False

            # recurse on a dictionary
            elif isinstance(value, dict):
                if key not in user_def:
                    if debug:
                        print("user_def does not have key [%s]" % key)
                    return False
                if not isinstance(user_def[key], dict):
                    if debug:
                        print("dict returned false: not instance of dict")
                    return False

                # before passing ensure keys match
                api_values = set(value.keys()) - set(skip)
                user_values = set(user_def[key].keys()) - set(skip)
                if api_values != user_values:
                    if debug:
                        print("keys are not equal in dict")
                        print(user_values)
                        print(api_values)
                    return False

                result = Utils.check_def_equal(user_def[key], value, skip_keys=skip_keys, debug=debug)
                if not result:
                    if debug:
                        print("dict returned false")
                        print(result)
                    return False

            # Verify each key, value pair is the same
            else:
                if key not in user_def or value != user_def[key]:
                    if debug:
                        print("value not equal; user_def does not have key")
                        print(key)
                        print(value)
                        if key in user_def:
                            print(user_def[key])
                    return False

        if debug:
            print('returning true')
        return True


class OpenShiftCLIConfig(object):
    '''Generic Config'''
    def __init__(self, rname, namespace, kubeconfig, options):
        self.kubeconfig = kubeconfig
        self.name = rname
        self.namespace = namespace
        self._options = collections.OrderedDict(options)

    @property
    def config_options(self):
        ''' return config options '''
        return self._options

    def to_option_list(self):
        '''return all options as a string'''
        return self.stringify()

    def stringify(self):
        ''' return the options hash as cli params in a string '''
        rval = []
        for key, data in self.config_options.items():
            if data['include'] \
               and (data['value'] or isinstance(data['value'], int)):
                rval.append('--%s=%s' % (key.replace('_', '-'), data['value']))

        return rval


# -*- -*- -*- End included fragment: lib/base.py -*- -*- -*-

# -*- -*- -*- Begin included fragment: lib/rolebinding.py -*- -*- -*-

# pylint: disable=too-many-instance-attributes
class RoleBindingConfig(object):
    ''' Handle rolebinding config '''
    # pylint: disable=too-many-arguments
    def __init__(self,
                 name,
                 namespace,
                 kubeconfig,
                 group_names=None,
                 role_ref=None,
                 subjects=None,
                 usernames=None):
        ''' constructor for handling rolebinding options '''
        self.kubeconfig = kubeconfig
        self.name = name
        self.namespace = namespace
        self.group_names = group_names
        self.role_ref = role_ref
        self.subjects = subjects
        self.usernames = usernames
        self.data = {}

        self.create_dict()

    def create_dict(self):
        ''' create a default rolebinding as a dict '''
        self.data['apiVersion'] = 'v1'
        self.data['kind'] = 'RoleBinding'
        self.data['groupNames'] = self.group_names
        self.data['metadata']['name'] = self.name
        self.data['metadata']['namespace'] = self.namespace

        self.data['roleRef'] = self.role_ref
        self.data['subjects'] = self.subjects
        self.data['userNames'] = self.usernames


# pylint: disable=too-many-instance-attributes,too-many-public-methods
class RoleBinding(Yedit):
    ''' Class to model a rolebinding openshift object'''
    group_names_path = "groupNames"
    role_ref_path = "roleRef"
    subjects_path = "subjects"
    user_names_path = "userNames"

    kind = 'RoleBinding'

    def __init__(self, content):
        '''RoleBinding constructor'''
        super(RoleBinding, self).__init__(content=content)
        self._subjects = None
        self._role_ref = None
        self._group_names = None
        self._user_names = None

    @property
    def subjects(self):
        ''' subjects property '''
        if self._subjects is None:
            self._subjects = self.get_subjects()
        return self._subjects

    @subjects.setter
    def subjects(self, data):
        ''' subjects property setter'''
        self._subjects = data

    @property
    def role_ref(self):
        ''' role_ref property '''
        if self._role_ref is None:
            self._role_ref = self.get_role_ref()
        return self._role_ref

    @role_ref.setter
    def role_ref(self, data):
        ''' role_ref property setter'''
        self._role_ref = data

    @property
    def group_names(self):
        ''' group_names property '''
        if self._group_names is None:
            self._group_names = self.get_group_names()
        return self._group_names

    @group_names.setter
    def group_names(self, data):
        ''' group_names property setter'''
        self._group_names = data

    @property
    def user_names(self):
        ''' user_names property '''
        if self._user_names is None:
            self._user_names = self.get_user_names()
        return self._user_names

    @user_names.setter
    def user_names(self, data):
        ''' user_names property setter'''
        self._user_names = data

    def get_group_names(self):
        ''' return groupNames '''
        return self.get(RoleBinding.group_names_path) or []

    def get_user_names(self):
        ''' return usernames '''
        return self.get(RoleBinding.user_names_path) or []

    def get_role_ref(self):
        ''' return role_ref '''
        return self.get(RoleBinding.role_ref_path) or {}

    def get_subjects(self):
        ''' return subjects '''
        return self.get(RoleBinding.subjects_path) or []

    #### ADD #####
    def add_subject(self, inc_subject):
        ''' add a subject '''
        if self.subjects:
            # pylint: disable=no-member
            self.subjects.append(inc_subject)
        else:
            self.put(RoleBinding.subjects_path, [inc_subject])

        return True

    def add_role_ref(self, inc_role_ref):
        ''' add a role_ref '''
        if not self.role_ref:
            self.put(RoleBinding.role_ref_path, {"name": inc_role_ref})
            return True

        return False

    def add_group_names(self, inc_group_names):
        ''' add a group_names '''
        if self.group_names:
            # pylint: disable=no-member
            self.group_names.append(inc_group_names)
        else:
            self.put(RoleBinding.group_names_path, [inc_group_names])

        return True

    def add_user_name(self, inc_user_name):
        ''' add a username '''
        if self.user_names:
            # pylint: disable=no-member
            self.user_names.append(inc_user_name)
        else:
            self.put(RoleBinding.user_names_path, [inc_user_name])

        return True

    #### /ADD #####

    #### Remove #####
    def remove_subject(self, inc_subject):
        ''' remove a subject '''
        try:
            # pylint: disable=no-member
            self.subjects.remove(inc_subject)
        except ValueError as _:
            return False

        return True

    def remove_role_ref(self, inc_role_ref):
        ''' remove a role_ref '''
        if self.role_ref and self.role_ref['name'] == inc_role_ref:
            del self.role_ref['name']
            return True

        return False

    def remove_group_name(self, inc_group_name):
        ''' remove a groupname '''
        try:
            # pylint: disable=no-member
            self.group_names.remove(inc_group_name)
        except ValueError as _:
            return False

        return True

    def remove_user_name(self, inc_user_name):
        ''' remove a username '''
        try:
            # pylint: disable=no-member
            self.user_names.remove(inc_user_name)
        except ValueError as _:
            return False

        return True

    #### /REMOVE #####

    #### UPDATE #####
    def update_subject(self, inc_subject):
        ''' update a subject '''
        try:
            # pylint: disable=no-member
            index = self.subjects.index(inc_subject)
        except ValueError as _:
            return self.add_subject(inc_subject)

        self.subjects[index] = inc_subject

        return True

    def update_group_name(self, inc_group_name):
        ''' update a groupname '''
        try:
            # pylint: disable=no-member
            index = self.group_names.index(inc_group_name)
        except ValueError as _:
            return self.add_group_names(inc_group_name)

        self.group_names[index] = inc_group_name

        return True

    def update_user_name(self, inc_user_name):
        ''' update a username '''
        try:
            # pylint: disable=no-member
            index = self.user_names.index(inc_user_name)
        except ValueError as _:
            return self.add_user_name(inc_user_name)

        self.user_names[index] = inc_user_name

        return True

    def update_role_ref(self, inc_role_ref):
        ''' update a role_ref '''
        self.role_ref['name'] = inc_role_ref

        return True

    #### /UPDATE #####

    #### FIND ####
    def find_subject(self, inc_subject):
        ''' find a subject '''
        index = None
        try:
            # pylint: disable=no-member
            index = self.subjects.index(inc_subject)
        except ValueError as _:
            return index

        return index

    def find_group_name(self, inc_group_name):
        ''' find a group_name '''
        index = None
        try:
            # pylint: disable=no-member
            index = self.group_names.index(inc_group_name)
        except ValueError as _:
            return index

        return index

    def find_user_name(self, inc_user_name):
        ''' find a user_name '''
        index = None
        try:
            # pylint: disable=no-member
            index = self.user_names.index(inc_user_name)
        except ValueError as _:
            return index

        return index

    def find_role_ref(self, inc_role_ref):
        ''' find a user_name '''
        if self.role_ref and self.role_ref['name'] == inc_role_ref['name']:
            return self.role_ref

        return None

# -*- -*- -*- End included fragment: lib/rolebinding.py -*- -*- -*-

# -*- -*- -*- Begin included fragment: lib/scc.py -*- -*- -*-


# pylint: disable=too-many-instance-attributes
class SecurityContextConstraintsConfig(object):
    ''' Handle scc options '''
    # pylint: disable=too-many-arguments
    def __init__(self,
                 sname,
                 kubeconfig,
                 options=None,
                 fs_group='MustRunAs',
                 default_add_capabilities=None,
                 groups=None,
                 priority=None,
                 required_drop_capabilities=None,
                 run_as_user='MustRunAsRange',
                 se_linux_context='MustRunAs',
                 supplemental_groups='RunAsAny',
                 users=None,
                 annotations=None):
        ''' constructor for handling scc options '''
        self.kubeconfig = kubeconfig
        self.name = sname
        self.options = options
        self.fs_group = fs_group
        self.default_add_capabilities = default_add_capabilities
        self.groups = groups
        self.priority = priority
        self.required_drop_capabilities = required_drop_capabilities
        self.run_as_user = run_as_user
        self.se_linux_context = se_linux_context
        self.supplemental_groups = supplemental_groups
        self.users = users
        self.annotations = annotations
        self.data = {}

        self.create_dict()

    def create_dict(self):
        ''' assign the correct properties for a scc dict '''
        # allow options
        if self.options:
            for key, value in self.options.items():
                self.data[key] = value
        else:
            self.data['allowHostDirVolumePlugin'] = False
            self.data['allowHostIPC'] = False
            self.data['allowHostNetwork'] = False
            self.data['allowHostPID'] = False
            self.data['allowHostPorts'] = False
            self.data['allowPrivilegedContainer'] = False
            self.data['allowedCapabilities'] = None

        # version
        self.data['apiVersion'] = 'v1'
        # kind
        self.data['kind'] = 'SecurityContextConstraints'
        # defaultAddCapabilities
        self.data['defaultAddCapabilities'] = self.default_add_capabilities
        # fsGroup
        self.data['fsGroup']['type'] = self.fs_group
        # groups
        self.data['groups'] = []
        if self.groups:
            self.data['groups'] = self.groups
        # metadata
        self.data['metadata'] = {}
        self.data['metadata']['name'] = self.name
        if self.annotations:
            for key, value in self.annotations.items():
                self.data['metadata'][key] = value
        # priority
        self.data['priority'] = self.priority
        # requiredDropCapabilities
        self.data['requiredDropCapabilities'] = self.required_drop_capabilities
        # runAsUser
        self.data['runAsUser'] = {'type': self.run_as_user}
        # seLinuxContext
        self.data['seLinuxContext'] = {'type': self.se_linux_context}
        # supplementalGroups
        self.data['supplementalGroups'] = {'type': self.supplemental_groups}
        # users
        self.data['users'] = []
        if self.users:
            self.data['users'] = self.users


# pylint: disable=too-many-instance-attributes,too-many-public-methods,no-member
class SecurityContextConstraints(Yedit):
    ''' Class to wrap the oc command line tools '''
    default_add_capabilities_path = "defaultAddCapabilities"
    fs_group_path = "fsGroup"
    groups_path = "groups"
    priority_path = "priority"
    required_drop_capabilities_path = "requiredDropCapabilities"
    run_as_user_path = "runAsUser"
    se_linux_context_path = "seLinuxContext"
    supplemental_groups_path = "supplementalGroups"
    users_path = "users"
    kind = 'SecurityContextConstraints'

    def __init__(self, content):
        '''SecurityContextConstraints constructor'''
        super(SecurityContextConstraints, self).__init__(content=content)
        self._users = None
        self._groups = None

    @property
    def users(self):
        ''' users property getter '''
        if self._users is None:
            self._users = self.get_users()
        return self._users

    @property
    def groups(self):
        ''' groups property getter '''
        if self._groups is None:
            self._groups = self.get_groups()
        return self._groups

    @users.setter
    def users(self, data):
        ''' users property setter'''
        self._users = data

    @groups.setter
    def groups(self, data):
        ''' groups property setter'''
        self._groups = data

    def get_users(self):
        '''get scc users'''
        return self.get(SecurityContextConstraints.users_path) or []

    def get_groups(self):
        '''get scc groups'''
        return self.get(SecurityContextConstraints.groups_path) or []

    def add_user(self, inc_user):
        ''' add a user '''
        if self.users:
            self.users.append(inc_user)
        else:
            self.put(SecurityContextConstraints.users_path, [inc_user])

        return True

    def add_group(self, inc_group):
        ''' add a group '''
        if self.groups:
            self.groups.append(inc_group)
        else:
            self.put(SecurityContextConstraints.groups_path, [inc_group])

        return True

    def remove_user(self, inc_user):
        ''' remove a user '''
        try:
            self.users.remove(inc_user)
        except ValueError as _:
            return False

        return True

    def remove_group(self, inc_group):
        ''' remove a group '''
        try:
            self.groups.remove(inc_group)
        except ValueError as _:
            return False

        return True

    def update_user(self, inc_user):
        ''' update a user '''
        try:
            index = self.users.index(inc_user)
        except ValueError as _:
            return self.add_user(inc_user)

        self.users[index] = inc_user

        return True

    def update_group(self, inc_group):
        ''' update a group '''
        try:
            index = self.groups.index(inc_group)
        except ValueError as _:
            return self.add_group(inc_group)

        self.groups[index] = inc_group

        return True

    def find_user(self, inc_user):
        ''' find a user '''
        index = None
        try:
            index = self.users.index(inc_user)
        except ValueError as _:
            return index

        return index

    def find_group(self, inc_group):
        ''' find a group '''
        index = None
        try:
            index = self.groups.index(inc_group)
        except ValueError as _:
            return index

        return index

# -*- -*- -*- End included fragment: lib/scc.py -*- -*- -*-

# -*- -*- -*- Begin included fragment: class/oc_adm_policy_user.py -*- -*- -*-


class PolicyUserException(Exception):
    ''' PolicyUser exception'''
    pass


class PolicyUserConfig(OpenShiftCLIConfig):
    ''' PolicyUserConfig is a DTO for user related policy.  '''
    def __init__(self, namespace, kubeconfig, policy_options):
        super(PolicyUserConfig, 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 PolicyUser(OpenShiftCLI):
    ''' Class to handle attaching policies to users '''

    def __init__(self,
                 policy_config,
                 verbose=False):
        ''' Constructor for PolicyUser '''
        super(PolicyUser, self).__init__(policy_config.namespace, policy_config.kubeconfig, verbose)
        self.config = policy_config
        self.verbose = verbose
        self._rolebinding = None
        self._scc = None

    @property
    def role_binding(self):
        ''' role_binding property '''
        return self._rolebinding

    @role_binding.setter
    def role_binding(self, binding):
        ''' setter for role_binding property '''
        self._rolebinding = binding

    @property
    def security_context_constraint(self):
        ''' security_context_constraint property '''
        return self._scc

    @security_context_constraint.setter
    def security_context_constraint(self, scc):
        ''' setter for security_context_constraint property '''
        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 '''
        results = self.get()
        if results['returncode'] == 0:
            self.role_binding = RoleBinding(results['results'][0])
            if self.role_binding.find_user_name(self.config.config_options['user']['value']) != None:
                return True

            return False

        elif self.config.config_options['name']['value'] in results['stderr'] and '" not found' in results['stderr']:
            return False

        return results

    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_user(self.config.config_options['user']['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['user']['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-user'
        else:
            action = 'remove-' + params['resource_kind'] + '-from-user'

        nconfig = PolicyUserConfig(params['namespace'],
                                   params['kubeconfig'],
                                   {'action': {'value': action, 'include': False},
                                    'user': {'value': params['user'], 'include': False},
                                    'resource_kind': {'value': params['resource_kind'], 'include': False},
                                    'name': {'value': params['resource_name'], 'include': False},
                                   })

        policyuser = PolicyUser(nconfig, params['debug'])

        # Run the oc adm policy user related command

        ########
        # Delete
        ########
        if state == 'absent':
            if not policyuser.exists():
                return {'changed': False, 'state': 'absent'}

            if check_mode:
                return {'changed': False, 'msg': 'CHECK_MODE: would have performed a delete.'}

            api_rval = policyuser.perform()

            if api_rval['returncode'] != 0:
                return {'msg': api_rval}

            return {'changed': True, 'results' : api_rval, state:'absent'}

        if state == 'present':
            ########
            # Create
            ########
            results = policyuser.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 = policyuser.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'}

# -*- -*- -*- End included fragment: class/oc_adm_policy_user.py -*- -*- -*-

# -*- -*- -*- Begin included fragment: ansible/oc_adm_policy_user.py -*- -*- -*-


def main():
    '''
    ansible oc adm module for user policy
    '''

    module = AnsibleModule(
        argument_spec=dict(
            state=dict(default='present', type='str',
                       choices=['present', 'absent']),
            debug=dict(default=False, type='bool'),
            resource_name=dict(required=True, type='str'),
            namespace=dict(default='default', type='str'),
            kubeconfig=dict(default='/etc/origin/master/admin.kubeconfig', type='str'),

            user=dict(required=True, type='str'),
            resource_kind=dict(required=True, choices=['role', 'cluster-role', 'scc'], type='str'),
        ),
        supports_check_mode=True,
    )

    results = PolicyUser.run_ansible(module.params, module.check_mode)

    if 'failed' in results:
        module.fail_json(**results)

    module.exit_json(**results)


if __name__ == "__main__":
    main()

# -*- -*- -*- End included fragment: ansible/oc_adm_policy_user.py -*- -*- -*-