mirror of https://github.com/ansible/ansible.git
Add GCE guide and retool a bit to show the add_host interactions, improvements/upgrades are welcome.
Had to shoot the recently merged nova_group module in the head temporarily as it contained a dict comprehension, which means it can't work on all the platforms and was also breaking docs builds on CentOS. Will engage with list about that shortly.pull/6493/merge
Michael DeHaan
10 years ago
parent
cfe0465934
commit
8082f74798
@ -1,343 +0,0 @@
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# (c) 2013, John Dewey <john@dewey.ws>
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#
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# This module is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This software is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this software. If not, see <http://www.gnu.org/licenses/>.
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import locale
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import os
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import six
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try:
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from novaclient.openstack.common import uuidutils
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from novaclient.openstack.common import strutils
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from novaclient.v1_1 import client
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from novaclient.v1_1 import security_groups
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from novaclient.v1_1 import security_group_rules
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from novaclient import exceptions
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except ImportError:
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print("failed=True msg='novaclient is required for this module to work'")
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DOCUMENTATION = '''
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---
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module: security_group
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version_added: "1.6"
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short_description: Maintain nova security groups.
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description:
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- Manage nova security groups using the python-novaclient library.
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options:
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login_username:
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description:
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- Login username to authenticate to keystone. If not set then the value of the OS_USERNAME environment variable is used.
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required: false
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default: None
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login_password:
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description:
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- Password of login user. If not set then the value of the OS_PASSWORD environment variable is used.
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required: false
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default: None
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login_tenant_name:
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description:
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- The tenant name of the login user. If not set then the value of the OS_TENANT_NAME environment variable is used.
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required: false
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default: None
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auth_url:
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description:
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- The keystone url for authentication. If not set then the value of the OS_AUTH_URL environment variable is used.
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required: false
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default: None
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region_name:
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description:
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- Name of the region.
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required: false
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default: None
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name:
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description:
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- Name of the security group.
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required: true
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description:
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description:
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- Description of the security group.
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required: true
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rules:
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description:
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- List of firewall rules to enforce in this group (see example).
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Must specify either an IPv4 'cidr' address or 'group' UUID.
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required: true
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state:
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description:
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- Indicate desired state of the resource.
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choices: ['present', 'absent']
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required: false
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default: 'present'
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requirements: ["novaclient"]
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'''
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EXAMPLES = '''
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- name: create example group and rules
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local_action:
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module: security_group
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name: example
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description: an example nova group
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rules:
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- ip_protocol: tcp
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from_port: 80
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to_port: 80
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cidr: 0.0.0.0/0
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- ip_protocol: tcp
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from_port: 3306
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to_port: 3306
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group: "{{ group_uuid }}"
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- ip_protocol: icmp
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from_port: -1
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to_port: -1
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cidr: 0.0.0.0/0
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- name: delete rule from example group
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local_action:
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module: security_group
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name: example
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description: an example nova group
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rules:
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- ip_protocol: tcp
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from_port: 80
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to_port: 80
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cidr: 0.0.0.0/0
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- ip_protocol: icmp
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from_port: -1
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to_port: -1
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cidr: 0.0.0.0/0
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state: absent
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'''
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class NovaGroup(object):
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def __init__(self, client):
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self._sg = security_groups.SecurityGroupManager(client)
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# Taken from novaclient/v1_1/shell.py.
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def _get_secgroup(self, secgroup):
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# Check secgroup is an UUID
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if uuidutils.is_uuid_like(strutils.safe_encode(secgroup)):
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try:
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sg = self._sg.get(secgroup)
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return sg
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except exceptions.NotFound:
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return False
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# Check secgroup as a name
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for s in self._sg.list():
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encoding = (locale.getpreferredencoding() or
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sys.stdin.encoding or
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'UTF-8')
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if not six.PY3:
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s.name = s.name.encode(encoding)
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if secgroup == s.name:
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return s
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return False
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class SecurityGroup(NovaGroup):
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def __init__(self, client, module):
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super(SecurityGroup, self).__init__(client)
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self._module = module
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self._name = module.params.get('name')
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self._description = module.params.get('description')
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def get(self):
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return self._get_secgroup(self._name)
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def create(self):
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return self._sg.create(self._name, self._description)
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def delete(self):
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return self._sg.delete(self._name)
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class SecurityGroupRule(NovaGroup):
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def __init__(self, client, module):
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super(SecurityGroupRule, self).__init__(client)
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self._module = module
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self._name = module.params.get('name')
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self._rules = module.params.get('rules')
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self._validate_rules()
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self._sgr = security_group_rules.SecurityGroupRuleManager(client)
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self._secgroup = self._get_secgroup(self._name)
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self._current_rules = self._lookup_dict(self._secgroup.rules)
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def _concat_security_group_rule(self, rule):
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"""
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Normalize the given rule into a string in the format of:
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protocol-from_port-to_port-group
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The `group` needs a bit of massaging.
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1. If an empty dict -- return None.
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2. If a dict -- lookup group UUID (novaclient only returns the name).
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3. Return `group` from rules dict.
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:param rule: A novaclient SecurityGroupRule object.
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"""
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group = rule.get('group')
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# Oddly novaclient occasionaly returns None as {}.
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if group is not None and not any(group):
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group = None
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elif type(group) == dict:
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g = group.get('name')
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group = self._get_secgroup(g)
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r = "%s-%s-%s-%s" % (rule.get('ip_protocol'),
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rule.get('from_port'),
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rule.get('to_port'),
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group)
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return r
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def _lookup_dict(self, rules):
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"""
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Populate a dict with current rules.
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:param rule: A novaclient SecurityGroupRule object.
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"""
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return {self._concat_security_group_rule(rule): rule for rule in rules}
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def _get_rule(self, rule):
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"""
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Return rule when found and False when not.
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:param rule: A novaclient SecurityGroupRule object.
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"""
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r = self._concat_security_group_rule(rule)
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if r in self._current_rules:
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return self._current_rules[r]
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def _validate_rules(self):
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for rule in self._rules:
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if 'group' in rule and 'cidr' in rule:
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self._module.fail_json(msg="Specify group OR cidr")
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def create(self):
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changed = False
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filtered = [rule for rule in self._rules
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if rule.get('state') != 'absent']
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for rule in filtered:
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if not self._get_rule(rule):
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if 'cidr' in rule:
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self._sgr.create(self._secgroup.id,
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rule.get('ip_protocol'),
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rule.get('from_port'),
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rule.get('to_port'),
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cidr=rule.get('cidr'))
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changed = True
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if 'group' in rule:
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self._sgr.create(self._secgroup.id,
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rule.get('ip_protocol'),
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rule.get('from_port'),
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rule.get('to_port'),
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group_id=rule.get('group'))
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changed = True
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return changed
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def delete(self):
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changed = False
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filtered = [rule for rule in self._rules
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if rule.get('state') == 'absent']
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for rule in filtered:
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r = self._get_rule(rule)
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if r:
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self._sgr.delete(r.get('id'))
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changed = True
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return changed
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def update(self):
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changed = False
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if self.create():
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changed = True
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if self.delete():
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changed = True
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return changed
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def main():
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module = AnsibleModule(
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argument_spec=dict(
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name=dict(required=True),
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description=dict(required=True),
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rules=dict(),
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login_username=dict(),
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login_password=dict(no_log=True),
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login_tenant_name=dict(),
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auth_url= dict(),
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region_name=dict(default=None),
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state = dict(default='present', choices=['present', 'absent']),
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),
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supports_check_mode=False,
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)
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login_username = module.params.get('login_username')
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login_password = module.params.get('login_password')
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login_tenant_name = module.params.get('login_tenant_name')
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auth_url = module.params.get('auth_url')
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# allow stackrc environment variables to be used if ansible vars aren't set
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if not login_username and 'OS_USERNAME' in os.environ:
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login_username = os.environ['OS_USERNAME']
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if not login_password and 'OS_PASSWORD' in os.environ:
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login_password = os.environ['OS_PASSWORD']
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if not login_tenant_name and 'OS_TENANT_NAME' in os.environ:
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login_tenant_name = os.environ['OS_TENANT_NAME']
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if not auth_url and 'OS_AUTH_URL' in os.environ:
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auth_url = os.environ['OS_AUTH_URL']
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nova = client.Client(login_username,
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login_password,
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login_tenant_name,
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auth_url,
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service_type='compute')
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try:
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nova.authenticate()
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except exceptions.Unauthorized as e:
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module.fail_json(msg="Invalid OpenStack Nova credentials.: %s" % e.message)
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except exceptions.AuthorizationFailure as e:
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module.fail_json(msg="Unable to authorize user: %s" % e.message)
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rules = module.params.get('rules')
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state = module.params.get('state')
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security_group = SecurityGroup(nova, module)
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changed = False
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group_id = None
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group = security_group.get()
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if group:
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group_id = group.id
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if state == 'absent':
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security_group.delete()
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changed = True
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elif state == 'present':
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group = security_group.create()
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changed = True
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group_id = group.id
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if rules is not None:
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security_group_rules = SecurityGroupRule(nova, module)
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if security_group_rules.update():
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changed = True
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module.exit_json(changed=changed, group_id=group_id)
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# import module snippets
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from ansible.module_utils.basic import *
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main()
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Loading…
Reference in New Issue