added firewalld module

update with feedback from pull request

library/net_infrastructure/firewalld

@@ -0,0 +1,288 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+# (c) 2013, Adam Miller (maxamillion@fedoraproject.org)
+#
+# This file is part of Ansible
+#
+# Ansible 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.
+#
+# Ansible 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 Ansible.  If not, see <http://www.gnu.org/licenses/>.
+
+DOCUMENTATION = '''
+---
+module: firewalld
+short_description: Manage arbitrary ports/services with firewalld
+description:
+  - This module allows for addition or deletion of services and ports either tcp or udp in either running or permanent firewalld rules
+version_added: "1.3"
+options:
+  service:
+    description:
+      - "Name of a service to add/remove to/from firewalld - service must be listed in /etc/services"
+    required: false
+    default: null
+  port:
+    description:
+      - "Name of a port to add/remove to/from firewalld must be in the form PORT/PROTOCOL"
+    required: false
+    default: null
+  zone:
+    description:
+      - 'The firewalld zone to add/remove to/from (NOTE: default zone can be configured per system but "public" is default from upstream. Available choices can be extended based on per-system configs, listed here are "out of the box" defaults).'
+    required: false
+    default: system-default(public)
+    choices: [ "work", "drop", "internal", "external", "trusted", "home", "dmz", "public", "block"]
+  permanent:
+    description:
+      - "Should this configuration be in the running firewalld configuration or persist across reboots"
+    required: true
+    default: true
+  state:
+    description:
+      - "Should this port accept(enabled) or reject(disabled) connections"
+    required: true
+    default: enabled
+  timeout:
+    description:
+      - "The amount of time the rule should be in effect for when non-permanent"
+    required: false
+    default: 0
+notes:
+   - Not tested on any debian based system
+requirements: [ firewalld ]
+author: Adam Miller <maxamillion@fedoraproject.org>
+'''
+
+EXAMPLES = '''
+- firewalld: service=https permanent=true state=enabled
+- firewalld: port=8081/tcp permanent=true state=disabled
+- firewalld: zone=dmz service=http permanent=true state=enabled
+'''
+
+import os
+import re
+import sys
+
+try:
+    from firewall.client import FirewallClient
+    fw = FirewallClient()
+except ImportError:
+    print "fail=True msg='firewalld required for this module'"
+    sys.exit(1)
+
+################
+# port handling
+#
+def get_port_enabled(zone, port_proto):
+    if port_proto in fw.getPorts(zone):
+        return True
+    else:
+        return False
+
+def set_port_enabled(zone, port, protocol, timeout):
+    fw.addPort(zone, port, protocol, timeout)
+
+def set_port_disabled(zone, port, protocol):
+    fw.removePort(zone, port, protocol)
+
+def get_port_enabled_permanent(zone, port_proto):
+    fw_zone = fw.config().getZoneByName(zone)
+    fw_settings = fw_zone.getSettings()
+    if tuple(port_proto) in fw_settings.getPorts():
+        return True
+    else:
+        return False
+
+def set_port_enabled_permanent(zone, port, protocol):
+    fw_zone = fw.config().getZoneByName(zone)
+    fw_settings = fw_zone.getSettings()
+    fw_settings.addPort(port, protocol)
+    fw_zone.update(fw_settings)
+
+def set_port_disabled_permanent(zone, port, protocol):
+    fw_zone = fw.config().getZoneByName(zone)
+    fw_settings = fw_zone.getSettings()
+    fw_settings.removePort(port, protocol)
+    fw_zone.update(fw_settings)
+    
+
+####################
+# service handling
+#
+def get_service_enabled(zone):
+    if service in fw.getServices(zone):
+        return True
+    else:
+        return False
+
+def set_service_enabled(zone, service, timeout):
+    fw.addService(zone, service, timeout)
+
+def set_service_disabled(zone, service):
+    fw.removeService(zone, service)
+
+def get_service_enabled_permanent(zone, service):
+    fw_zone = fw.config().getZoneByName(zone)
+    fw_settings = fw_zone.getSettings()
+    if service in fw_settings.getServices():
+        return True
+    else:
+        return False
+
+def set_service_enabled_permanent(zone, service):
+    fw_zone = fw.config().getZoneByName(zone)
+    fw_settings = fw_zone.getSettings()
+    fw_settings.addService(service)
+    fw_zone.update(fw_settings)
+
+def set_service_disabled_permanent(zone, service):
+    fw_zone = fw.config().getZoneByName(zone)
+    fw_settings = fw_zone.getSettings()
+    fw_settings.removeService(service)
+    fw_zone.update(fw_settings)
+    
+def main():
+
+    module = AnsibleModule(
+        argument_spec = dict(
+            service=dict(required=False,default=None),
+            port=dict(required=False,default=None),
+            zone=dict(required=False,default=None),
+            permanent=dict(type='bool',required=True),
+            state=dict(choices=['enabled', 'disabled'], required=True),
+            timeout=dict(required=False,default=0),
+        ),
+        supports_check_mode=True
+    )
+
+    ## Global Vars
+    changed=False
+    msgs = []
+    service = module.params['service']
+
+    if module.params['port'] != None:
+        port, protocol = module.params['port'].split('/')
+        if protocol == None:
+            module.fail_json(msg='improper port format (missing protocol?)')
+    else:
+        port = None
+
+    if module.params['zone'] != None:
+        zone = module.params['zone']
+    else:
+        zone = fw.getDefaultZone()
+
+    permanent = module.params['permanent']
+    desired_state = module.params['state']
+    timeout = module.params['timeout']
+
+    ## Check for firewalld running
+    if fw.connected == False:
+        module.fail_json(msg='firewalld service must be running')
+
+    if service != None and port != None:
+        module.fail_json(msg='can only operate on port or service at once')
+
+    if service != None:
+        if permanent:
+            is_enabled = get_service_enabled_permanent(zone, service)
+            msgs.append('Permanent operation')
+
+            if desired_state == "enabled":
+                if is_enabled == False:
+                    if module.check_mode:
+                        module.exit_json(changed=True)
+
+                    set_service_enabled_permanent(zone, service)
+                    changed=True
+            elif desired_state == "disabled":
+                if is_enabled == True:
+                    if module.check_mode:
+                        module.exit_json(changed=True)
+
+                    set_service_disabled_permanent(zone, service)
+                    changed=True
+        else:
+            is_enabled = get_service_enabled(zone, service)
+            msgs.append('Non-permanent operation')
+
+
+            if desired_state == "enabled":
+                if is_enabled == False:
+                    if module.check_mode:
+                        module.exit_json(changed=True)
+
+                    set_service_enabled(zone, service, timeout)
+                    changed=True
+            elif desired_state == "disabled":
+                if is_enabled == True:
+                    if module.check_mode:
+                        module.exit_json(changed=True)
+
+                    set_service_disabled(zone, service)
+                    changed=True
+
+        if changed == True:
+            msgs.append("Changed service %s to %s" % (service, desired_state))
+
+    if port != None:
+        if permanent:
+            is_enabled = get_port_enabled_permanent(zone, [port, protocol])
+            msgs.append('Permanent operation')
+
+            if desired_state == "enabled":
+                if is_enabled == False:
+                    if module.check_mode:
+                        module.exit_json(changed=True)
+
+                    set_port_enabled_permanent(zone, port, protocol)
+                    changed=True
+            elif desired_state == "disabled":
+                if is_enabled == True:
+                    if module.check_mode:
+                        module.exit_json(changed=True)
+
+                    set_port_disabled_permanent(zone, port, protocol)
+                    changed=True
+        else:
+            is_enabled = get_port_enabled(zone, [port,protocol])
+            msgs.append('Non-permanent operation')
+
+            if desired_state == "enabled":
+                if is_enabled == False:
+                    if module.check_mode:
+                        module.exit_json(changed=True)
+
+                    set_port_enabled(zone, port, protocol, timeout)
+                    changed=True
+            elif desired_state == "disabled":
+                if is_enabled == True:
+                    if module.check_mode:
+                        module.exit_json(changed=True)
+
+                    set_port_disabled(zone, port, protocol)
+                    changed=True
+
+        if changed == True:
+            msgs.append("Changed port %s to %s" % ("%s/%s" % (port, protocol), \
+                        desired_state))
+
+    module.exit_json(changed=changed, msg=', '.join(msgs))
+
+
+#################################################
+# include magic from lib/ansible/module_common.py
+#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
+
+main()
+