1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
|
#!/usr/bin/python
# -*- coding: utf-8 -*-
# (c) 2017, Simon Dodsley (simon@purestorage.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': ['preview'],
'supported_by': 'community'}
DOCUMENTATION = '''
---
module: purefb_subnet
version_added: "2.8"
short_description: Manage network subnets in a Pure Storage FlashBlade
description:
- This module manages network subnets on Pure Storage FlashBlade.
author: Pure Storage Ansible Team (@sdodsley) <pure-ansible-team@purestorage.com>
options:
name:
description:
- Subnet Name.
required: true
type: str
state:
description:
- Create, delete or modifies a subnet.
required: false
default: present
choices: [ "present", "absent" ]
type: str
gateway:
description:
- IPv4 or IPv6 address of subnet gateway.
required: false
type: str
mtu:
description:
- MTU size of the subnet. Range is 1280 to 9216.
required: false
default: 1500
type: int
prefix:
description:
- IPv4 or IPv6 address associated with the subnet.
- Supply the prefix length (CIDR) as well as the IP address.
required: false
type: str
vlan:
description:
- VLAN ID of the subnet.
required: false
default: 0
type: int
extends_documentation_fragment:
- purestorage.fb
notes:
- Requires the netaddr Python package on the host.
requirements:
- netaddr
'''
EXAMPLES = '''
- name: Create new network subnet named foo
purefb_subnet:
name: foo
prefix: "10.21.200.3/24"
gateway: 10.21.200.1
mtu: 9000
vlan: 2200
state: present
fb_url: 10.10.10.2
api_token: T-55a68eb5-c785-4720-a2ca-8b03903bf641
- name: Change configuration of existing subnet foo
purefb_network:
name: foo
state: present
prefix: "10.21.100.3/24"
gateway: 10.21.100.1
mtu: 1500
address: 10.21.200.123
fb_url: 10.10.10.2
api_token: T-55a68eb5-c785-4720-a2ca-8b03903bf641
- name: Delete network subnet named foo
purefb_subnet:
name: foo
state: absent
fb_url: 10.10.10.2
api_token: T-55a68eb5-c785-4720-a2ca-8b03903bf641'''
RETURN = '''
'''
HAS_PURITY_FB = True
try:
from purity_fb import Subnet
except ImportError:
HAS_PURITY_FB = False
try:
import netaddr
HAS_NETADDR = True
except ImportError:
HAS_NETADDR = False
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.pure import get_blade, purefb_argument_spec
MINIMUM_API_VERSION = '1.3'
def get_subnet(module, blade):
"""Return Subnet or None"""
subnet = []
subnet.append(module.params['name'])
try:
res = blade.subnets.list_subnets(names=subnet)
return res.items[0]
except Exception:
return None
def create_subnet(module, blade):
"""Create Subnet"""
subnet = []
subnet.append(module.params['name'])
try:
blade.subnets.create_subnets(names=subnet,
subnet=Subnet(prefix=module.params['prefix'],
vlan=module.params['vlan'],
mtu=module.params['mtu'],
gateway=module.params['gateway']
)
)
changed = True
except Exception:
module.fail_json(msg='Failed to create subnet {0}. Confirm supplied parameters'.format(module.params['name']))
module.exit_json(changed=changed)
def modify_subnet(module, blade):
"""Modify Subnet settings"""
changed = False
subnet = get_subnet(module, blade)
subnet_new = []
subnet_new.append(module.params['name'])
if module.params['prefix']:
if module.params['prefix'] != subnet.prefix:
try:
blade.subnets.update_subnets(names=subnet_new,
subnet=Subnet(prefix=module.params['prefix']))
changed = True
except Exception:
module.fail_json(msg='Failed to change subnet {0} prefix to {1}'.format(module.params['name'],
module.params['prefix']))
if module.params['vlan']:
if module.params['vlan'] != subnet.vlan:
try:
blade.subnets.update_subnets(names=subnet_new,
subnet=Subnet(vlan=module.params['vlan']))
changed = True
except Exception:
module.fail_json(msg='Failed to change subnet {0} VLAN to {1}'.format(module.params['name'],
module.params['vlan']))
if module.params['gateway']:
if module.params['gateway'] != subnet.gateway:
try:
blade.subnets.update_subnets(names=subnet_new,
subnet=Subnet(gateway=module.params['gateway']))
changed = True
except Exception:
module.fail_json(msg='Failed to change subnet {0} gateway to {1}'.format(module.params['name'],
module.params['gateway']))
if module.params['mtu']:
if module.params['mtu'] != subnet.mtu:
try:
blade.subnets.update_subnets(names=subnet_new,
subnet=Subnet(mtu=module.params['mtu']))
changed = True
except Exception:
module.fail_json(msg='Failed to change subnet {0} MTU to {1}'.format(module.params['name'],
module.params['mtu']))
module.exit_json(changed=changed)
def delete_subnet(module, blade):
""" Delete Subnet"""
subnet = []
subnet.append(module.params['name'])
try:
blade.subnets.delete_subnets(names=subnet)
changed = True
except Exception:
changed = False
module.exit_json(changed=changed)
def main():
argument_spec = purefb_argument_spec()
argument_spec.update(
dict(
name=dict(required=True),
state=dict(default='present', choices=['present', 'absent']),
gateway=dict(),
mtu=dict(type='int', default=1500),
prefix=dict(),
vlan=dict(type='int', default=0),
)
)
required_if = [["state", "present", ["gateway", 'prefix']]]
module = AnsibleModule(argument_spec,
required_if=required_if,
supports_check_mode=False)
if not HAS_PURITY_FB:
module.fail_json(msg='purity_fb sdk is required for this module')
if not HAS_NETADDR:
module.fail_json(msg='netaddr module is required')
state = module.params['state']
blade = get_blade(module)
api_version = blade.api_version.list_versions().versions
if MINIMUM_API_VERSION not in api_version:
module.fail_json(msg='Upgrade Purity//FB to enable this module')
subnet = get_subnet(module, blade)
if state == 'present':
if not (1280 <= module.params['mtu'] <= 9216):
module.fail_json(msg='MTU {0} is out of range (1280 to 9216)'.format(module.params['mtu']))
if not (0 <= module.params['vlan'] <= 4094):
module.fail_json(msg='VLAN ID {0} is out of range (0 to 4094)'.format(module.params['vlan']))
if netaddr.IPAddress(module.params['gateway']) not in netaddr.IPNetwork(module.params['prefix']):
module.fail_json(msg='Gateway and subnet are not compatible.')
subnets = blade.subnets.list_subnets()
nrange = netaddr.IPSet([module.params['prefix']])
for sub in range(0, len(subnets.items)):
if subnets.items[sub].vlan == module.params['vlan'] and subnets.items[sub].name != module.params['name']:
module.fail_json(msg='VLAN ID {0} is already in use.'.format(module.params['vlan']))
if nrange & netaddr.IPSet([subnets.items[sub].prefix]) and subnets.items[sub].name != module.params['name']:
module.fail_json(msg='Prefix CIDR overlaps with existing subnet.')
if state == 'present' and not subnet:
create_subnet(module, blade)
elif state == 'present' and subnet:
modify_subnet(module, blade)
elif state == 'absent' and subnet:
delete_subnet(module, blade)
elif state == 'absent' and not subnet:
module.exit_json(changed=False)
if __name__ == '__main__':
main()
|
