Richard Isaacson
commit
971199d433
1 changed files with 343 additions and 0 deletions
343
library/cloud/nova_group
Normal file
343
library/cloud/nova_group
Normal file
|
|
@ -0,0 +1,343 @@
|
|||
#!/usr/bin/python
|
||||
# -*- coding: utf-8 -*-
|
||||
|
||||
# (c) 2013, John Dewey <john@dewey.ws>
|
||||
#
|
||||
# This module 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 software 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 software. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
import locale
|
||||
import os
|
||||
import six
|
||||
|
||||
try:
|
||||
from novaclient.openstack.common import uuidutils
|
||||
from novaclient.openstack.common import strutils
|
||||
from novaclient.v1_1 import client
|
||||
from novaclient.v1_1 import security_groups
|
||||
from novaclient.v1_1 import security_group_rules
|
||||
from novaclient import exceptions
|
||||
except ImportError:
|
||||
print("failed=True msg='novaclient is required for this module to work'")
|
||||
|
||||
DOCUMENTATION = '''
|
||||
---
|
||||
module: security_group
|
||||
version_added: "1.6"
|
||||
short_description: Maintain nova security groups.
|
||||
description:
|
||||
- Manage nova security groups using the python-novaclient library.
|
||||
options:
|
||||
|
||||
login_username:
|
||||
description:
|
||||
- Login username to authenticate to keystone. If not set then the value of the OS_USERNAME environment variable is used.
|
||||
required: false
|
||||
default: None
|
||||
login_password:
|
||||
description:
|
||||
- Password of login user. If not set then the value of the OS_PASSWORD environment variable is used.
|
||||
required: false
|
||||
default: None
|
||||
login_tenant_name:
|
||||
description:
|
||||
- The tenant name of the login user. If not set then the value of the OS_TENANT_NAME environment variable is used.
|
||||
required: false
|
||||
default: None
|
||||
auth_url:
|
||||
description:
|
||||
- The keystone url for authentication. If not set then the value of the OS_AUTH_URL environment variable is used.
|
||||
required: false
|
||||
default: None
|
||||
region_name:
|
||||
description:
|
||||
- Name of the region.
|
||||
required: false
|
||||
default: None
|
||||
name:
|
||||
description:
|
||||
- Name of the security group.
|
||||
required: true
|
||||
description:
|
||||
description:
|
||||
- Description of the security group.
|
||||
required: true
|
||||
rules:
|
||||
description:
|
||||
- List of firewall rules to enforce in this group (see example).
|
||||
Must specify either an IPv4 'cidr' address or 'group' UUID.
|
||||
required: true
|
||||
state:
|
||||
description:
|
||||
- Indicate desired state of the resource.
|
||||
choices: ['present', 'absent']
|
||||
required: false
|
||||
default: 'present'
|
||||
|
||||
requirements: ["novaclient"]
|
||||
'''
|
||||
|
||||
EXAMPLES = '''
|
||||
- name: create example group and rules
|
||||
local_action:
|
||||
module: security_group
|
||||
name: example
|
||||
description: an example nova group
|
||||
rules:
|
||||
- ip_protocol: tcp
|
||||
from_port: 80
|
||||
to_port: 80
|
||||
cidr: 0.0.0.0/0
|
||||
- ip_protocol: tcp
|
||||
from_port: 3306
|
||||
to_port: 3306
|
||||
group: "{{ group_uuid }}"
|
||||
- ip_protocol: icmp
|
||||
from_port: -1
|
||||
to_port: -1
|
||||
cidr: 0.0.0.0/0
|
||||
|
||||
- name: delete rule from example group
|
||||
local_action:
|
||||
module: security_group
|
||||
name: example
|
||||
description: an example nova group
|
||||
rules:
|
||||
- ip_protocol: tcp
|
||||
from_port: 80
|
||||
to_port: 80
|
||||
cidr: 0.0.0.0/0
|
||||
- ip_protocol: icmp
|
||||
from_port: -1
|
||||
to_port: -1
|
||||
cidr: 0.0.0.0/0
|
||||
state: absent
|
||||
'''
|
||||
|
||||
class NovaGroup(object):
|
||||
def __init__(self, client):
|
||||
self._sg = security_groups.SecurityGroupManager(client)
|
||||
|
||||
# Taken from novaclient/v1_1/shell.py.
|
||||
def _get_secgroup(self, secgroup):
|
||||
# Check secgroup is an UUID
|
||||
if uuidutils.is_uuid_like(strutils.safe_encode(secgroup)):
|
||||
try:
|
||||
sg = self._sg.get(secgroup)
|
||||
return sg
|
||||
except exceptions.NotFound:
|
||||
return False
|
||||
|
||||
# Check secgroup as a name
|
||||
for s in self._sg.list():
|
||||
encoding = (locale.getpreferredencoding() or
|
||||
sys.stdin.encoding or
|
||||
'UTF-8')
|
||||
if not six.PY3:
|
||||
s.name = s.name.encode(encoding)
|
||||
if secgroup == s.name:
|
||||
return s
|
||||
return False
|
||||
|
||||
|
||||
class SecurityGroup(NovaGroup):
|
||||
def __init__(self, client, module):
|
||||
super(SecurityGroup, self).__init__(client)
|
||||
self._module = module
|
||||
self._name = module.params.get('name')
|
||||
self._description = module.params.get('description')
|
||||
|
||||
def get(self):
|
||||
return self._get_secgroup(self._name)
|
||||
|
||||
def create(self):
|
||||
return self._sg.create(self._name, self._description)
|
||||
|
||||
def delete(self):
|
||||
return self._sg.delete(self._name)
|
||||
|
||||
|
||||
class SecurityGroupRule(NovaGroup):
|
||||
def __init__(self, client, module):
|
||||
super(SecurityGroupRule, self).__init__(client)
|
||||
self._module = module
|
||||
self._name = module.params.get('name')
|
||||
self._rules = module.params.get('rules')
|
||||
self._validate_rules()
|
||||
self._sgr = security_group_rules.SecurityGroupRuleManager(client)
|
||||
self._secgroup = self._get_secgroup(self._name)
|
||||
self._current_rules = self._lookup_dict(self._secgroup.rules)
|
||||
|
||||
def _concat_security_group_rule(self, rule):
|
||||
"""
|
||||
Normalize the given rule into a string in the format of:
|
||||
protocol-from_port-to_port-group
|
||||
The `group` needs a bit of massaging.
|
||||
1. If an empty dict -- return None.
|
||||
2. If a dict -- lookup group UUID (novaclient only returns the name).
|
||||
3. Return `group` from rules dict.
|
||||
|
||||
:param rule: A novaclient SecurityGroupRule object.
|
||||
"""
|
||||
group = rule.get('group')
|
||||
# Oddly novaclient occasionaly returns None as {}.
|
||||
if group is not None and not any(group):
|
||||
group = None
|
||||
elif type(group) == dict:
|
||||
g = group.get('name')
|
||||
group = self._get_secgroup(g)
|
||||
r = "%s-%s-%s-%s" % (rule.get('ip_protocol'),
|
||||
rule.get('from_port'),
|
||||
rule.get('to_port'),
|
||||
group)
|
||||
return r
|
||||
|
||||
def _lookup_dict(self, rules):
|
||||
"""
|
||||
Populate a dict with current rules.
|
||||
|
||||
:param rule: A novaclient SecurityGroupRule object.
|
||||
"""
|
||||
return {self._concat_security_group_rule(rule): rule for rule in rules}
|
||||
|
||||
def _get_rule(self, rule):
|
||||
"""
|
||||
Return rule when found and False when not.
|
||||
|
||||
:param rule: A novaclient SecurityGroupRule object.
|
||||
"""
|
||||
r = self._concat_security_group_rule(rule)
|
||||
if r in self._current_rules:
|
||||
return self._current_rules[r]
|
||||
|
||||
def _validate_rules(self):
|
||||
for rule in self._rules:
|
||||
if 'group' in rule and 'cidr' in rule:
|
||||
self._module.fail_json(msg="Specify group OR cidr")
|
||||
|
||||
def create(self):
|
||||
changed = False
|
||||
filtered = [rule for rule in self._rules
|
||||
if rule.get('state') != 'absent']
|
||||
for rule in filtered:
|
||||
if not self._get_rule(rule):
|
||||
if 'cidr' in rule:
|
||||
self._sgr.create(self._secgroup.id,
|
||||
rule.get('ip_protocol'),
|
||||
rule.get('from_port'),
|
||||
rule.get('to_port'),
|
||||
cidr=rule.get('cidr'))
|
||||
changed = True
|
||||
if 'group' in rule:
|
||||
self._sgr.create(self._secgroup.id,
|
||||
rule.get('ip_protocol'),
|
||||
rule.get('from_port'),
|
||||
rule.get('to_port'),
|
||||
group_id=rule.get('group'))
|
||||
changed = True
|
||||
return changed
|
||||
|
||||
def delete(self):
|
||||
changed = False
|
||||
filtered = [rule for rule in self._rules
|
||||
if rule.get('state') == 'absent']
|
||||
for rule in filtered:
|
||||
r = self._get_rule(rule)
|
||||
if r:
|
||||
self._sgr.delete(r.get('id'))
|
||||
changed = True
|
||||
return changed
|
||||
|
||||
def update(self):
|
||||
changed = False
|
||||
if self.create():
|
||||
changed = True
|
||||
if self.delete():
|
||||
changed = True
|
||||
return changed
|
||||
|
||||
|
||||
def main():
|
||||
module = AnsibleModule(
|
||||
argument_spec=dict(
|
||||
name=dict(required=True),
|
||||
description=dict(required=True),
|
||||
rules=dict(),
|
||||
login_username=dict(),
|
||||
login_password=dict(no_log=True),
|
||||
login_tenant_name=dict(),
|
||||
auth_url= dict(),
|
||||
region_name=dict(default=None),
|
||||
state = dict(default='present', choices=['present', 'absent']),
|
||||
),
|
||||
supports_check_mode=False,
|
||||
)
|
||||
login_username = module.params.get('login_username')
|
||||
login_password = module.params.get('login_password')
|
||||
login_tenant_name = module.params.get('login_tenant_name')
|
||||
auth_url = module.params.get('auth_url')
|
||||
|
||||
# allow stackrc environment variables to be used if ansible vars aren't set
|
||||
if not login_username and 'OS_USERNAME' in os.environ:
|
||||
login_username = os.environ['OS_USERNAME']
|
||||
|
||||
if not login_password and 'OS_PASSWORD' in os.environ:
|
||||
login_password = os.environ['OS_PASSWORD']
|
||||
|
||||
if not login_tenant_name and 'OS_TENANT_NAME' in os.environ:
|
||||
login_tenant_name = os.environ['OS_TENANT_NAME']
|
||||
|
||||
if not auth_url and 'OS_AUTH_URL' in os.environ:
|
||||
auth_url = os.environ['OS_AUTH_URL']
|
||||
|
||||
nova = client.Client(login_username,
|
||||
login_password,
|
||||
login_tenant_name,
|
||||
auth_url,
|
||||
service_type='compute')
|
||||
try:
|
||||
nova.authenticate()
|
||||
except exceptions.Unauthorized as e:
|
||||
module.fail_json(msg="Invalid OpenStack Nova credentials.: %s" % e.message)
|
||||
except exceptions.AuthorizationFailure as e:
|
||||
module.fail_json(msg="Unable to authorize user: %s" % e.message)
|
||||
|
||||
rules = module.params.get('rules')
|
||||
state = module.params.get('state')
|
||||
security_group = SecurityGroup(nova, module)
|
||||
|
||||
changed = False
|
||||
group_id = None
|
||||
group = security_group.get()
|
||||
if group:
|
||||
group_id = group.id
|
||||
if state == 'absent':
|
||||
security_group.delete()
|
||||
changed = True
|
||||
elif state == 'present':
|
||||
group = security_group.create()
|
||||
changed = True
|
||||
group_id = group.id
|
||||
|
||||
if rules is not None:
|
||||
security_group_rules = SecurityGroupRule(nova, module)
|
||||
if security_group_rules.update():
|
||||
changed = True
|
||||
|
||||
module.exit_json(changed=changed, group_id=group_id)
|
||||
|
||||
|
||||
# import module snippets
|
||||
from ansible.module_utils.basic import *
|
||||
|
||||
main()
|
||||
Loading…
Reference in a new issue