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#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# (c) 2017, Ted Trask <ttrask01@yahoo.com>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import absolute_import, division, print_function
__metaclass__ = type
ANSIBLE_METADATA = {'metadata_version': '1.1',
'status': ['stableinterface'],
'supported_by': 'community'}
DOCUMENTATION = '''
---
module: awall
short_description: Manage awall policies
version_added: "2.4"
author: Ted Trask (@tdtrask) <ttrask01@yahoo.com>
description:
- This modules allows for enable/disable/activate of I(awall) policies.
Alpine Wall (I(awall)) generates a firewall configuration from the enabled policy files
and activates the configuration on the system.
options:
name:
description:
- A policy name, like C(foo), or multiple policies, like C(foo, bar).
state:
description:
- The policy(ies) will be C(enabled)
- The policy(ies) will be C(disabled)
default: enabled
choices: [ "enabled", "disabled" ]
activate:
description:
- Activate the new firewall rules. Can be run with other steps or on it's own.
type: bool
default: 'no'
'''
EXAMPLES = '''
- name: Enable "foo" and "bar" policy
awall:
name: foo,bar
state: enabled
- name: Disable "foo" and "bar" policy and activate new rules
awall:
name: foo,bar
state: disabled
activate: False
- name: Activate currently enabled firewall rules
awall:
activate: True
'''
RETURN = ''' # '''
import re
from ansible.module_utils.basic import AnsibleModule
def activate(module):
cmd = "%s activate --force" % (AWALL_PATH)
rc, stdout, stderr = module.run_command(cmd)
if rc == 0:
return True
else:
module.fail_json(msg="could not activate new rules", stdout=stdout, stderr=stderr)
def is_policy_enabled(module, name):
cmd = "%s list" % (AWALL_PATH)
rc, stdout, stderr = module.run_command(cmd)
if re.search(r"^%s\s+enabled" % name, stdout, re.MULTILINE):
return True
return False
def enable_policy(module, names, act):
policies = []
for name in names:
if not is_policy_enabled(module, name):
policies.append(name)
if not policies:
module.exit_json(changed=False, msg="policy(ies) already enabled")
names = " ".join(policies)
if module.check_mode:
cmd = "%s list" % (AWALL_PATH)
else:
cmd = "%s enable %s" % (AWALL_PATH, names)
rc, stdout, stderr = module.run_command(cmd)
if rc != 0:
module.fail_json(msg="failed to enable %s" % names, stdout=stdout, stderr=stderr)
if act and not module.check_mode:
activate(module)
module.exit_json(changed=True, msg="enabled awall policy(ies): %s" % names)
def disable_policy(module, names, act):
policies = []
for name in names:
if is_policy_enabled(module, name):
policies.append(name)
if not policies:
module.exit_json(changed=False, msg="policy(ies) already disabled")
names = " ".join(policies)
if module.check_mode:
cmd = "%s list" % (AWALL_PATH)
else:
cmd = "%s disable %s" % (AWALL_PATH, names)
rc, stdout, stderr = module.run_command(cmd)
if rc != 0:
module.fail_json(msg="failed to disable %s" % names, stdout=stdout, stderr=stderr)
if act and not module.check_mode:
activate(module)
module.exit_json(changed=True, msg="disabled awall policy(ies): %s" % names)
def main():
module = AnsibleModule(
argument_spec=dict(
state=dict(default='enabled', choices=['enabled', 'disabled']),
name=dict(type='list'),
activate=dict(default=False, type='bool'),
),
required_one_of=[['name', 'activate']],
supports_check_mode=True
)
global AWALL_PATH
AWALL_PATH = module.get_bin_path('awall', required=True)
p = module.params
if p['name']:
if p['state'] == 'enabled':
enable_policy(module, p['name'], p['activate'])
elif p['state'] == 'disabled':
disable_policy(module, p['name'], p['activate'])
if p['activate']:
if not module.check_mode:
activate(module)
module.exit_json(changed=True, msg="activated awall rules")
module.fail_json(msg="no action defined")
# import module snippets
if __name__ == '__main__':
main()
|
