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ansible-freeipa/plugins/modules/ipahbacrule.py
Rafael Guterres Jeffman 7564250614 hbacrule: Use IPAAnsibleModule method to validate arguments. 
Use the IPAAnsibleModule.params_fail_if_used method to validate
arguments provided by user.
2021-10-01 09:50:00 -03:00

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#!/usr/bin/python
# -*- coding: utf-8 -*-
# Authors:
# Thomas Woerner <twoerner@redhat.com>
#
# Copyright (C) 2019 Red Hat
# see file 'COPYING' for use and warranty information
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
ANSIBLE_METADATA = {
"metadata_version": "1.0",
"supported_by": "community",
"status": ["preview"],
}
DOCUMENTATION = """
---
module: ipahbacrule
short description: Manage FreeIPA HBAC rules
description: Manage FreeIPA HBAC rules
extends_documentation_fragment:
- ipamodule_base_docs
options:
name:
description: The hbacrule name
required: true
aliases: ["cn"]
description:
description: The hbacrule description
required: false
usercategory:
description: User category the rule applies to
required: false
aliases: ["usercat"]
choices: ["all", ""]
hostcategory:
description: Host category the rule applies to
required: false
aliases: ["hostcat"]
choices: ["all", ""]
servicecategory:
description: Service category the rule applies to
required: false
aliases: ["servicecat"]
choices: ["all", ""]
nomembers:
description: Suppress processing of membership attributes
required: false
type: bool
host:
description: List of host names assigned to this hbacrule.
required: false
type: list
hostgroup:
description: List of host groups assigned to this hbacrule.
required: false
type: list
hbacsvc:
description: List of HBAC service names assigned to this hbacrule.
required: false
type: list
hbacsvcgroup:
description: List of HBAC service names assigned to this hbacrule.
required: false
type: list
user:
description: List of user names assigned to this hbacrule.
required: false
type: list
group:
description: List of user groups assigned to this hbacrule.
required: false
type: list
action:
description: Work on hbacrule or member level
default: hbacrule
choices: ["member", "hbacrule"]
state:
description: State to ensure
default: present
choices: ["present", "absent", "enabled", "disabled"]
author:
- Thomas Woerner
"""
EXAMPLES = """
# Ensure HBAC Rule allhosts is present
- ipahbacrule:
ipaadmin_password: SomeADMINpassword
name: allhosts
usercategory: all
# Ensure host server is present in HBAC Rule allhosts
- ipahbacrule:
ipaadmin_password: SomeADMINpassword
name: allhosts
host: server
action: member
# Ensure HBAC Rule sshd-pinky is present
- ipahbacrule:
ipaadmin_password: SomeADMINpassword
name: sshd-pinky
hostcategory: all
# Ensure user pinky is present in HBAC Rule sshd-pinky
- ipahbacrule:
ipaadmin_password: SomeADMINpassword
name: sshd-pinky
user: pinky
action: member
# Ensure HBAC service sshd is present in HBAC Rule sshd-pinky
- ipahbacrule:
ipaadmin_password: SomeADMINpassword
name: sshd-pinky
hbacsvc: sshd
action: member
# Ensure HBAC Rule sshd-pinky is disabled
- ipahbacrule:
ipaadmin_password: SomeADMINpassword
name: sshd-pinky
state: disabled
# Ensure HBAC Rule sshd-pinky is enabled
- ipahbacrule:
ipaadmin_password: SomeADMINpassword
name: sshd-pinky
state: enabled
# Ensure HBAC Rule sshd-pinky is absent
- ipahbacrule:
ipaadmin_password: SomeADMINpassword
name: sshd-pinky
state: absent
"""
RETURN = """
"""
from ansible.module_utils.ansible_freeipa_module import \
IPAAnsibleModule, compare_args_ipa, gen_add_del_lists, gen_add_list, \
gen_intersection_list, ensure_fqdn
def find_hbacrule(module, name):
_args = {
"all": True,
"cn": name,
}
_result = module.ipa_command("hbacrule_find", name, _args)
if len(_result["result"]) > 1:
module.fail_json(
msg="There is more than one hbacrule '%s'" % (name))
elif len(_result["result"]) == 1:
return _result["result"][0]
return None
def gen_args(description, usercategory, hostcategory, servicecategory,
nomembers):
_args = {}
if description is not None:
_args["description"] = description
if usercategory is not None:
_args["usercategory"] = usercategory
if hostcategory is not None:
_args["hostcategory"] = hostcategory
if servicecategory is not None:
_args["servicecategory"] = servicecategory
if nomembers is not None:
_args["nomembers"] = nomembers
return _args
def main():
ansible_module = IPAAnsibleModule(
argument_spec=dict(
# general
name=dict(type="list", aliases=["cn"], default=None,
required=True),
# present
description=dict(type="str", default=None),
usercategory=dict(type="str", default=None,
aliases=["usercat"], choices=["all", ""]),
hostcategory=dict(type="str", default=None,
aliases=["hostcat"], choices=["all", ""]),
servicecategory=dict(type="str", default=None,
aliases=["servicecat"], choices=["all", ""]),
nomembers=dict(required=False, type='bool', default=None),
host=dict(required=False, type='list', default=None),
hostgroup=dict(required=False, type='list', default=None),
hbacsvc=dict(required=False, type='list', default=None),
hbacsvcgroup=dict(required=False, type='list', default=None),
user=dict(required=False, type='list', default=None),
group=dict(required=False, type='list', default=None),
action=dict(type="str", default="hbacrule",
choices=["member", "hbacrule"]),
# state
state=dict(type="str", default="present",
choices=["present", "absent",
"enabled", "disabled"]),
),
supports_check_mode=True,
)
ansible_module._ansible_debug = True
# Get parameters
# general
names = ansible_module.params_get("name")
# present
description = ansible_module.params_get("description")
usercategory = ansible_module.params_get("usercategory")
hostcategory = ansible_module.params_get("hostcategory")
servicecategory = ansible_module.params_get("servicecategory")
nomembers = ansible_module.params_get("nomembers")
host = ansible_module.params_get("host")
hostgroup = ansible_module.params_get("hostgroup")
hbacsvc = ansible_module.params_get("hbacsvc")
hbacsvcgroup = ansible_module.params_get("hbacsvcgroup")
user = ansible_module.params_get("user")
group = ansible_module.params_get("group")
action = ansible_module.params_get("action")
# state
state = ansible_module.params_get("state")
# Check parameters
invalid = []
if state == "present":
if len(names) != 1:
ansible_module.fail_json(
msg="Only one hbacrule can be added at a time.")
if action == "member":
invalid = ["description", "usercategory", "hostcategory",
"servicecategory", "nomembers"]
else:
if hostcategory == 'all' and any([host, hostgroup]):
ansible_module.fail_json(
msg="Hosts cannot be added when host category='all'")
if usercategory == 'all' and any([user, group]):
ansible_module.fail_json(
msg="Users cannot be added when user category='all'")
if servicecategory == 'all' and any([hbacsvc, hbacsvcgroup]):
ansible_module.fail_json(
msg="Services cannot be added when service category='all'")
elif state == "absent":
if len(names) < 1:
ansible_module.fail_json(msg="No name given.")
invalid = ["description", "usercategory", "hostcategory",
"servicecategory", "nomembers"]
if action == "hbacrule":
invalid.extend(["host", "hostgroup", "hbacsvc", "hbacsvcgroup",
"user", "group"])
elif state in ["enabled", "disabled"]:
if len(names) < 1:
ansible_module.fail_json(msg="No name given.")
if action == "member":
ansible_module.fail_json(
msg="Action member can not be used with states enabled and "
"disabled")
invalid = ["description", "usercategory", "hostcategory",
"servicecategory", "nomembers", "host", "hostgroup",
"hbacsvc", "hbacsvcgroup", "user", "group"]
else:
ansible_module.fail_json(msg="Invalid state '%s'" % state)
ansible_module.params_fail_used_invalid(invalid, state, action)
# Init
changed = False
exit_args = {}
# Connect to IPA API
with ansible_module.ipa_connect():
# Get default domain
default_domain = ansible_module.ipa_get_domain()
# Ensure fqdn host names, use default domain for simple names
if host is not None:
_host = [ensure_fqdn(x, default_domain) for x in host]
host = _host
commands = []
for name in names:
# Make sure hbacrule exists
res_find = find_hbacrule(ansible_module, name)
# Create command
if state == "present":
# Generate args
args = gen_args(description, usercategory, hostcategory,
servicecategory, nomembers)
if action == "hbacrule":
# Found the hbacrule
if res_find is not None:
# Remove usercategory, hostcategory and
# servicecategory from args if "" and category
# not in res_find (needed for idempotency)
if "usercategory" in args and \
args["usercategory"] == "" and \
"usercategory" not in res_find:
del args["usercategory"]
if "hostcategory" in args and \
args["hostcategory"] == "" and \
"hostcategory" not in res_find:
del args["hostcategory"]
if "servicecategory" in args and \
args["servicecategory"] == "" and \
"servicecategory" not in res_find:
del args["servicecategory"]
# For all settings is args, check if there are
# different settings in the find result.
# If yes: modify
if not compare_args_ipa(ansible_module, args,
res_find):
commands.append([name, "hbacrule_mod", args])
else:
commands.append([name, "hbacrule_add", args])
# Set res_find to empty dict for next step
res_find = {}
# Generate addition and removal lists
host_add, host_del = gen_add_del_lists(
host, res_find.get("memberhost_host"))
hostgroup_add, hostgroup_del = gen_add_del_lists(
hostgroup, res_find.get("memberhost_hostgroup"))
hbacsvc_add, hbacsvc_del = gen_add_del_lists(
hbacsvc, res_find.get("memberservice_hbacsvc"))
hbacsvcgroup_add, hbacsvcgroup_del = gen_add_del_lists(
hbacsvcgroup,
res_find.get("memberservice_hbacsvcgroup"))
user_add, user_del = gen_add_del_lists(
user, res_find.get("memberuser_user"))
group_add, group_del = gen_add_del_lists(
group, res_find.get("memberuser_group"))
# Add hosts and hostgroups
if len(host_add) > 0 or len(hostgroup_add) > 0:
commands.append([name, "hbacrule_add_host",
{
"host": host_add,
"hostgroup": hostgroup_add,
}])
# Remove hosts and hostgroups
if len(host_del) > 0 or len(hostgroup_del) > 0:
commands.append([name, "hbacrule_remove_host",
{
"host": host_del,
"hostgroup": hostgroup_del,
}])
# Add hbacsvcs and hbacsvcgroups
if len(hbacsvc_add) > 0 or len(hbacsvcgroup_add) > 0:
commands.append([name, "hbacrule_add_service",
{
"hbacsvc": hbacsvc_add,
"hbacsvcgroup": hbacsvcgroup_add,
}])
# Remove hbacsvcs and hbacsvcgroups
if len(hbacsvc_del) > 0 or len(hbacsvcgroup_del) > 0:
commands.append([name, "hbacrule_remove_service",
{
"hbacsvc": hbacsvc_del,
"hbacsvcgroup": hbacsvcgroup_del,
}])
# Add users and groups
if len(user_add) > 0 or len(group_add) > 0:
commands.append([name, "hbacrule_add_user",
{
"user": user_add,
"group": group_add,
}])
# Remove users and groups
if len(user_del) > 0 or len(group_del) > 0:
commands.append([name, "hbacrule_remove_user",
{
"user": user_del,
"group": group_del,
}])
elif action == "member":
if res_find is None:
ansible_module.fail_json(msg="No hbacrule '%s'" % name)
# Generate add lists for host, hostgroup and
# res_find to only try to add hosts and hostgroups
# that not in hbacrule already
if host is not None and \
"memberhost_host" in res_find:
host = gen_add_list(
host, res_find["memberhost_host"])
if hostgroup is not None and \
"memberhost_hostgroup" in res_find:
hostgroup = gen_add_list(
hostgroup, res_find["memberhost_hostgroup"])
# Add hosts and hostgroups
if host is not None or hostgroup is not None:
commands.append([name, "hbacrule_add_host",
{
"host": host,
"hostgroup": hostgroup,
}])
# Generate add lists for hbacsvc, hbacsvcgroup and
# res_find to only try to add hbacsvcs and hbacsvcgroups
# that not in hbacrule already
if hbacsvc is not None and \
"memberservice_hbacsvc" in res_find:
hbacsvc = gen_add_list(
hbacsvc, res_find["memberservice_hbacsvc"])
if hbacsvcgroup is not None and \
"memberservice_hbacsvcgroup" in res_find:
hbacsvcgroup = gen_add_list(
hbacsvcgroup,
res_find["memberservice_hbacsvcgroup"])
# Add hbacsvcs and hbacsvcgroups
if hbacsvc is not None or hbacsvcgroup is not None:
commands.append([name, "hbacrule_add_service",
{
"hbacsvc": hbacsvc,
"hbacsvcgroup": hbacsvcgroup,
}])
# Generate add lists for user, group and
# res_find to only try to add users and groups
# that not in hbacrule already
if user is not None and \
"memberuser_user" in res_find:
user = gen_add_list(
user, res_find["memberuser_user"])
if group is not None and \
"memberuser_group" in res_find:
group = gen_add_list(
group, res_find["memberuser_group"])
# Add users and groups
if user is not None or group is not None:
commands.append([name, "hbacrule_add_user",
{
"user": user,
"group": group,
}])
elif state == "absent":
if action == "hbacrule":
if res_find is not None:
commands.append([name, "hbacrule_del", {}])
elif action == "member":
if res_find is None:
ansible_module.fail_json(msg="No hbacrule '%s'" % name)
# Generate intersection lists for host, hostgroup and
# res_find to only try to remove hosts and hostgroups
# that are in hbacrule
if host is not None:
if "memberhost_host" in res_find:
host = gen_intersection_list(
host, res_find["memberhost_host"])
else:
host = None
if hostgroup is not None:
if "memberhost_hostgroup" in res_find:
hostgroup = gen_intersection_list(
hostgroup, res_find["memberhost_hostgroup"])
else:
hostgroup = None
# Remove hosts and hostgroups
if host is not None or hostgroup is not None:
commands.append([name, "hbacrule_remove_host",
{
"host": host,
"hostgroup": hostgroup,
}])
# Generate intersection lists for hbacsvc, hbacsvcgroup
# and res_find to only try to remove hbacsvcs and
# hbacsvcgroups that are in hbacrule
if hbacsvc is not None:
if "memberservice_hbacsvc" in res_find:
hbacsvc = gen_intersection_list(
hbacsvc, res_find["memberservice_hbacsvc"])
else:
hbacsvc = None
if hbacsvcgroup is not None:
if "memberservice_hbacsvcgroup" in res_find:
hbacsvcgroup = gen_intersection_list(
hbacsvcgroup,
res_find["memberservice_hbacsvcgroup"])
else:
hbacsvcgroup = None
# Remove hbacsvcs and hbacsvcgroups
if hbacsvc is not None or hbacsvcgroup is not None:
commands.append([name, "hbacrule_remove_service",
{
"hbacsvc": hbacsvc,
"hbacsvcgroup": hbacsvcgroup,
}])
# Generate intersection lists for user, group and
# res_find to only try to remove users and groups
# that are in hbacrule
if user is not None:
if "memberuser_user" in res_find:
user = gen_intersection_list(
user, res_find["memberuser_user"])
else:
user = None
if group is not None:
if "memberuser_group" in res_find:
group = gen_intersection_list(
group, res_find["memberuser_group"])
else:
group = None
# Remove users and groups
if user is not None or group is not None:
commands.append([name, "hbacrule_remove_user",
{
"user": user,
"group": group,
}])
elif state == "enabled":
if res_find is None:
ansible_module.fail_json(msg="No hbacrule '%s'" % name)
# hbacrule_enable is not failing on an enabled hbacrule
# Therefore it is needed to have a look at the ipaenabledflag
# in res_find.
if "ipaenabledflag" not in res_find or \
res_find["ipaenabledflag"][0] != "TRUE":
commands.append([name, "hbacrule_enable", {}])
elif state == "disabled":
if res_find is None:
ansible_module.fail_json(msg="No hbacrule '%s'" % name)
# hbacrule_disable is not failing on an disabled hbacrule
# Therefore it is needed to have a look at the ipaenabledflag
# in res_find.
if "ipaenabledflag" not in res_find or \
res_find["ipaenabledflag"][0] != "FALSE":
commands.append([name, "hbacrule_disable", {}])
else:
ansible_module.fail_json(msg="Unkown state '%s'" % state)
# Execute commands
changed = ansible_module.execute_ipa_commands(
commands, fail_on_member_errors=True)
# Done
ansible_module.exit_json(changed=changed, **exit_args)
if __name__ == "__main__":
main()
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