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aci_vlan_pool_encap_block: New module to manage VLAN encap blocks (#34653)

* aci_vlan_pool_encap_block: New module to manage VLAN encap blocks

This module is a simplified version of the aci_encap_pool_range module.

* PEP8 fixes (closer to the original)

* Add integration tests
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Dag Wieers 2018-01-11 23:22:43 +01:00 committed by GitHub
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commit e0214ece57
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#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright: (c) 2017, Jacob McGill (jmcgill298)
# Copyright: (c) 2018, Dag Wieers (dagwieers) <dag@wieers.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 = r'''
---
module: aci_vlan_pool_encap_block
short_description: Manage encap blocks assigned to VLAN pools on Cisco ACI fabrics (fvns:EncapBlk)
description:
- Manage VLAN encap blocks that are assigned to VLAN pools on Cisco ACI fabrics.
- More information from the internal APIC class I(fvns:EncapBlk) at
U(https://developer.cisco.com/site/aci/docs/apis/apic-mim-ref/).
author:
- Jacob McGill (@jmcgill298)
- Dag Wieers (@dagwieers)
version_added: '2.5'
requirements:
- The C(pool) must exist in order to add or delete a encap block.
options:
allocation_mode:
description:
- The method used for allocating encaps to resources.
aliases: [ mode ]
choices: [ dynamic, inherit, static]
description:
description:
- Description for the pool encap block.
aliases: [ descr ]
pool:
description:
- The name of the pool that the encap block should be assigned to.
aliases: [ pool_name ]
block_end:
description:
- The end of encap block.
aliases: [ end ]
block_name:
description:
- The name to give to the encap block.
aliases: [ name, range ]
block_start:
description:
- The start of the encap block.
aliases: [ start ]
state:
description:
- Use C(present) or C(absent) for adding or removing.
- Use C(query) for listing an object or multiple objects.
choices: [ absent, present, query ]
default: present
extends_documentation_fragment: aci
'''
EXAMPLES = r'''
- name: Add a new VLAN encap block
aci_vlan_pool_encap_block:
hostname: apic
username: admin
password: SomeSecretPassword
pool: production
block_start: 20
block_end: 50
state: present
- name: Remove a VLAN encap block
aci_vlan_pool_encap_block:
hostname: apic
username: admin
password: SomeSecretPassword
pool: production
block_start: 20
block_end: 50
state: absent
- name: Query a VLAN encap block
aci_vlan_pool_encap_block:
hostname: apic
username: admin
password: SomeSecretPassword
pool: production
block_start: 20
block_end: 50
state: query
- name: Query a VLAN pool for encap blocks
aci_vlan_pool_encap_block:
hostname: apic
username: admin
password: SomeSecretPassword
pool: production
state: query
- name: Query all VLAN encap blocks
aci_vlan_pool_encap_block:
hostname: apic
username: admin
password: SomeSecretPassword
state: query
'''
RETURN = r'''
#
'''
from ansible.module_utils.network.aci.aci import ACIModule, aci_argument_spec
from ansible.module_utils.basic import AnsibleModule
def main():
argument_spec = aci_argument_spec
argument_spec.update(
allocation_mode=dict(type='str', aliases=['mode'], choices=['dynamic', 'inherit', 'static']),
description=dict(type='str', aliases=['descr']),
pool=dict(type='str', aliases=['pool_name']),
pool_allocation_mode=dict(type='str', aliases=['pool_mode'], choices=['dynamic', 'static']),
block_name=dict(type='str', aliases=["name"]),
block_end=dict(type='int', aliases=['end']),
block_start=dict(type='int', aliases=["start"]),
state=dict(type='str', default='present', choices=['absent', 'present', 'query']),
)
module = AnsibleModule(
argument_spec=argument_spec,
supports_check_mode=True,
required_if=[
['state', 'absent', ['pool', 'block_end', 'block_name', 'block_start']],
['state', 'present', ['pool', 'block_end', 'block_name', 'block_start']],
],
)
allocation_mode = module.params['allocation_mode']
description = module.params['description']
pool = module.params['pool']
pool_allocation_mode = module.params['pool_allocation_mode']
block_end = module.params['block_end']
block_name = module.params['block_name']
block_start = module.params['block_start']
state = module.params['state']
if block_end is not None:
encap_end = 'vlan-{0}'.format(block_end)
else:
encap_end = None
if block_start is not None:
encap_start = 'vlan-{0}'.format(block_start)
else:
encap_start = None
# Collect proper mo information
aci_block_mo = 'from-[{0}]-to-[{1}]'.format(encap_start, encap_end)
pool_name = pool
# Validate block_end and block_start are valid for its respective encap type
for encap_id in block_end, block_start:
if encap_id is not None:
if not 1 <= encap_id <= 4094:
module.fail_json(msg="vlan pools must have 'block_start' and 'block_end' values between 1 and 4094")
# Build proper proper filter_target based on block_start, block_end, and block_name
if block_end is not None and block_start is not None:
# Validate block_start is less than block_end
if block_start > block_end:
module.fail_json(msg="The 'block_start' must be less than or equal to the 'block_end'")
if block_name is None:
block_filter_target = 'and(eq({0}.from, "{1}"),eq({0}.to, "{2}"))'.format('fvnsEncapBlk', encap_start, encap_end)
else:
block_filter_target = 'and(eq({0}.from, "{1}"),eq({0}.to, "{2}"),eq({0}.name, "{3}"))'.format('fvnsEncapBlk', encap_start, encap_end, block_name)
elif block_end is None and block_start is None:
if block_name is None:
# Reset range managed object to None for aci util to properly handle query
aci_block_mo = None
block_filter_target = ''
else:
block_filter_target = 'eq({0}.name, "{1}")'.format('fvnsEncapBlk', block_name)
elif block_start is not None:
if block_name is None:
block_filter_target = 'eq({0}.from, "{1}")'.format('fvnsEncapBlk', encap_start)
else:
block_filter_target = 'and(eq({0}.from, "{1}"),eq({0}.name, "{2}"))'.format('fvnsEncapBlk', encap_start, block_name)
else:
if block_name is None:
block_filter_target = 'eq({0}.to, "{1}")'.format('fvnsEncapBlk', encap_end)
else:
block_filter_target = 'and(eq({0}.to, "{1}"),eq({0}.name, "{2}"))'.format('fvnsEncapBlk', encap_end, block_name)
# ACI Pool URL requires the allocation mode (ex: uni/infra/vlanns-[poolname]-static)
if pool is not None:
if pool_allocation_mode is not None:
pool_name = '[{0}]-{1}'.format(pool, pool_allocation_mode)
else:
module.fail_json(msg="ACI requires the 'pool_allocation_mode' when 'pool' is provided")
aci = ACIModule(module)
aci.construct_url(
root_class=dict(
aci_class='fvnsVlanInstP',
aci_rn='infra/vlanns-{0}'.format(pool_name),
filter_target='eq(fvnsVlanInstP.name, "{0}")'.format(pool),
module_object=pool,
),
subclass_1=dict(
aci_class='fvnsEncapBlk',
aci_rn=aci_block_mo,
filter_target=block_filter_target,
module_object=aci_block_mo,
),
)
aci.get_existing()
if state == 'present':
# Filter out module parameters with null values
aci.payload(
aci_class='fvnsEncapBlk',
class_config={
"allocMode": allocation_mode,
"descr": description,
"from": encap_start,
"name": block_name,
"to": encap_end,
}
)
# Generate config diff which will be used as POST request body
aci.get_diff(aci_class='fvnsEncapBlk')
# Submit changes if module not in check_mode and the proposed is different than existing
aci.post_config()
elif state == 'absent':
aci.delete_config()
module.exit_json(**aci.result)
if __name__ == "__main__":
main()

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# No AcI Simulator yet, so not enabled

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# Test code for the ACI modules
# Copyright: (c) 2017, Jacob McGill (jmcgill298)
# Copyright: (c) 2018, Dag Wieers (dagwieers) <dag@wieers.com>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
- name: Test that we have an aci apic host, aci username and aci password
fail:
msg: 'Please define the following variables: aci_hostname, aci_username and aci_password.'
when: aci_hostname is not defined or aci_username is not defined or aci_password is not defined
- name: Ensure vlan pool exists for tests to kick off
aci_vlan_pool:
host: "{{ aci_hostname }}"
username: "{{ aci_username }}"
password: "{{ aci_password }}"
validate_certs: no
state: absent
pool: anstest
allocation_mode: static
description: Ansible Test
- name: Ensure vlan pool exists for tests to kick off
aci_vlan_pool: &aci_pool_present
host: "{{ aci_hostname }}"
username: "{{ aci_username }}"
password: "{{ aci_password }}"
validate_certs: no
state: present
pool: anstest
allocation_mode: static
description: Ansible Test
register: pool_present
- name: Create vlan pool encap block - check mode works
aci_vlan_pool_encap_block: &aci_encap_block_present
<<: *aci_pool_present
block_name: anstest
block_start: 20
block_end: 40
pool: anstest
pool_allocation_mode: static
allocation_mode: inherit
description: Ansible Test
check_mode: yes
register: encap_block_present_check_mode
- name: Present assertions
assert:
that:
- encap_block_present_check_mode.changed == true
- 'encap_block_present_check_mode.config == {"fvnsEncapBlk": {"attributes": {"allocMode": "inherit", "descr": "Ansible Test", "from": "vlan-20", "name": "anstest", "to": "vlan-40"}}}'
- name: Create vlan pool encap_block - creation works
aci_vlan_pool_encap_block:
<<: *aci_encap_block_present
register: encap_block_present
- name: Present assertions
assert:
that:
- encap_block_present.changed == true
- encap_block_present.existing == []
- encap_block_present.config == encap_block_present_check_mode.config
- encap_block_present.config == encap_block_present.proposed
- name: Create vlan pool range - idempotency works
aci_vlan_pool_encap_block:
<<: *aci_encap_block_present
register: encap_block_present_idempotent
- name: Present assertions
assert:
that:
- encap_block_present_idempotent.changed == false
- 'encap_block_present_idempotent.existing.0.fvnsEncapBlk.attributes.name == "anstest"'
- name: Update vlan pool range - update works
aci_vlan_pool_encap_block:
<<: *aci_encap_block_present
description: Ansible Test Update
allocation_mode: inherit
register: encap_block_present_update
- name: Present assertions
assert:
that:
- encap_block_present_update.changed == true
- encap_block_present_update.existing != []
- encap_block_present_update.config != encap_block_present.config
- name: Create vlan pool range - used for query
aci_vlan_pool_encap_block: &aci_encap_block_present_2
<<: *aci_encap_block_present
block_name: anstest_2
block_start: 50
block_end: 55
register: encap_block_present_2
- name: Present assertions
assert:
that:
- encap_block_present_2.changed == true
- encap_block_present_2.existing == []
- name: Invalid encap_block_start - error message works
aci_vlan_pool_encap_block:
<<: *aci_encap_block_present
block_start: 0
ignore_errors: yes
register: encap_block_start_low
- name: Present assertions
assert:
that:
- encap_block_start_low.failed == true
- encap_block_start_low.msg == "vlan pools must have 'block_start' and 'block_end' values between 1 and 4094"
- name: Invalid encap_block_start - error message works
aci_vlan_pool_encap_block:
<<: *aci_encap_block_present
block_start: 4096
ignore_errors: yes
register: encap_block_start_high
- name: Present assertions
assert:
that:
- encap_block_start_high.failed == true
- encap_block_start_high.msg == "vlan pools must have 'block_start' and 'block_end' values between 1 and 4094"
- name: Invalid encap_block_end - error message works
aci_vlan_pool_encap_block:
<<: *aci_encap_block_present
block_end: 0
ignore_errors: yes
register: encap_block_end_low
- name: Present assertions
assert:
that:
- encap_block_end_low.failed == true
- encap_block_end_low.msg == "vlan pools must have 'block_start' and 'block_end' values between 1 and 4094"
- name: Invalid encap_block_end - error message works
aci_vlan_pool_encap_block:
<<: *aci_encap_block_present
block_end: 4096
ignore_errors: yes
register: encap_block_end_high
- name: Present assertions
assert:
that:
- encap_block_end_high.failed == true
- encap_block_end_high.msg == "vlan pools must have 'block_start' and 'block_end' values between 1 and 4094"
- name: Range start higher than range end - error message works
aci_vlan_pool_encap_block:
<<: *aci_encap_block_present
block_start: 1000
ignore_errors: yes
register: encap_block_start_end
- name: Present assertions
assert:
that:
- encap_block_start_end.failed == true
- encap_block_start_end.msg == "The 'block_start' must be less than or equal to the 'block_end'"
- name: Missing required param - error message works
aci_vlan_pool_encap_block:
<<: *aci_pool_present
ignore_errors: yes
register: encap_block_present_missing_param
- name: Present assertions
assert:
that:
- encap_block_present_missing_param.failed == true
- 'encap_block_present_missing_param.msg == "state is present but all of the following are missing: block_end, block_name, block_start"'
- name: Missing required param - error message works
aci_vlan_pool_encap_block:
<<: *aci_encap_block_present
pool_allocation_mode: "{{ fake_var | default(omit) }}"
ignore_errors: yes
register: encap_block_present_allocation
- name: Present assertions
assert:
that:
- encap_block_present_allocation.failed == true
- encap_block_present_allocation.msg == "ACI requires the 'pool_allocation_mode' when 'pool' is provided"
- name: Query specific vlan pool range
aci_vlan_pool_encap_block: &aci_encap_block_query
<<: *aci_encap_block_present
state: query
register: encap_block_query
- name: Query assertions
assert:
that:
- encap_block_query.changed == false
- encap_block_query.url.endswith("infra/vlanns-[anstest]-static/from-[vlan-20]-to-[vlan-40].json")
- encap_block_query.existing | length == 1
- encap_block_query.existing.0.fvnsEncapBlk.attributes.name == "anstest"
- name: Query vlan pool range - from, to, and name are filtered
aci_vlan_pool_encap_block: &aci_encap_block_query_filter
<<: *aci_encap_block_query
pool: "{{ fake_var | default(omit) }}"
register: encap_block_query_from_to_name
- name: Query assertions
assert:
that:
- encap_block_query_from_to_name.changed == false
- encap_block_query_from_to_name.url.endswith("class/fvnsEncapBlk.json")
- '"query-target-filter=and(eq(fvnsEncapBlk.from, \"vlan-20\"),eq(fvnsEncapBlk.to, \"vlan-40\"),eq(fvnsEncapBlk.name, \"anstest\"))" in encap_block_query_from_to_name.filter_string'
- encap_block_query_from_to_name.existing.0.fvnsEncapBlk.attributes.name == "anstest"
- encap_block_query_from_to_name.existing.0.fvnsEncapBlk.attributes.from == "vlan-20"
- encap_block_query_from_to_name.existing.0.fvnsEncapBlk.attributes.to == "vlan-40"
- name: Query vlan pool range - from and name are filtered
aci_vlan_pool_encap_block:
<<: *aci_encap_block_query_filter
block_end: "{{ fake_var | default(omit) }}"
register: encap_block_query_from_name
- name: Query assertions
assert:
that:
- encap_block_query_from_name.changed == false
- encap_block_query_from_name.url.endswith("class/fvnsEncapBlk.json")
- '"query-target-filter=and(eq(fvnsEncapBlk.from, \"vlan-20\"),eq(fvnsEncapBlk.name, \"anstest\"))" in encap_block_query_from_name.filter_string'
- encap_block_query_from_name.existing.0.fvnsEncapBlk.attributes.name == "anstest"
- encap_block_query_from_name.existing.0.fvnsEncapBlk.attributes.from == "vlan-20"
- name: Query vlan pool range - to and name are filtered
aci_vlan_pool_encap_block:
<<: *aci_encap_block_query_filter
block_start: "{{ fake_var | default(omit) }}"
register: encap_block_query_to_name
- name: Query assertions
assert:
that:
- encap_block_query_to_name.changed == false
- encap_block_query_to_name.url.endswith("class/fvnsEncapBlk.json")
- '"query-target-filter=and(eq(fvnsEncapBlk.to, \"vlan-40\"),eq(fvnsEncapBlk.name, \"anstest\"))" in encap_block_query_to_name.filter_string'
- encap_block_query_to_name.existing.0.fvnsEncapBlk.attributes.name == "anstest"
- encap_block_query_to_name.existing.0.fvnsEncapBlk.attributes.to == "vlan-40"
- name: Query vlan pool range - name is filtered
aci_vlan_pool_encap_block:
<<: *aci_encap_block_query_filter
block_start: "{{ fake_var | default(omit) }}"
block_end: "{{ fake_var | default(omit) }}"
register: encap_block_query_name
- name: Query assertions
assert:
that:
- encap_block_query_name.changed == false
- encap_block_query_name.url.endswith("class/fvnsEncapBlk.json")
- '"query-target-filter=eq(fvnsEncapBlk.name, \"anstest\")" in encap_block_query_name.filter_string'
- encap_block_query_name.existing.0.fvnsEncapBlk.attributes.name == "anstest"
- name: Query vlan pool range - from and to are filtered
aci_vlan_pool_encap_block:
<<: *aci_encap_block_query_filter
block_name: "{{ fake_var | default(omit) }}"
register: encap_block_query_from_to
- name: Query assertions
assert:
that:
- encap_block_query_from_to.changed == false
- encap_block_query_from_to.url.endswith("class/fvnsEncapBlk.json")
- '"query-target-filter=and(eq(fvnsEncapBlk.from, \"vlan-20\"),eq(fvnsEncapBlk.to, \"vlan-40\"))" in encap_block_query_from_to.filter_string'
- encap_block_query_from_to.existing.0.fvnsEncapBlk.attributes.from == "vlan-20"
- encap_block_query_from_to.existing.0.fvnsEncapBlk.attributes.to == "vlan-40"
- name: Query all ranges in a vlan pool
aci_vlan_pool_encap_block:
<<: *aci_pool_present
state: query
pool_allocation_mode: static
register: encap_block_query_pool
- name: Query assertions
assert:
that:
- encap_block_query_pool.existing | length == 1
- encap_block_query_pool.existing.0.fvnsVlanInstP.attributes.name == "anstest"
- encap_block_query_pool.existing.0.fvnsVlanInstP.children | length > 1
- encap_block_query_pool.url.endswith("infra/vlanns-[anstest]-static.json")
- name: Query all ranges
aci_vlan_pool_encap_block:
<<: *aci_pool_present
state: query
pool: "{{ fake_var | default(omit) }}"
register: encap_block_query_all
- name: Query assertions
assert:
that:
- encap_block_query_all.changed == false
- encap_block_query_all.existing | length > 1
- encap_block_query_all.existing.0.fvnsEncapBlk is defined
- encap_block_query_all.url.endswith("class/fvnsEncapBlk.json")
- name: Delete vlan pool range - deletion works
aci_vlan_pool_encap_block:
<<: *aci_encap_block_present
state: absent
register: delete_range
- name: Absent assertions
assert:
that:
- delete_range.changed == true
- delete_range.proposed == {}
- delete_range.existing.0.fvnsEncapBlk.attributes.name == "anstest"
- name: Delete vlan pool range - check mode works
aci_vlan_pool_encap_block: &aci_encap_block_absent
<<: *aci_encap_block_present_2
state: absent
check_mode: yes
register: delete_check_mode
- name: Absent assertions
assert:
that:
- delete_check_mode.changed == true
- delete_check_mode.existing != []
- name: Delete vlan pool range - deletion works
aci_vlan_pool_encap_block:
<<: *aci_encap_block_absent
register: delete_encap_block_2
- name: Absent assertions
assert:
that:
- delete_encap_block_2.changed == true
- delete_encap_block_2.existing == delete_check_mode.existing
- name: Delete vlan pool range again - idempotency works
aci_vlan_pool_encap_block:
<<: *aci_encap_block_absent
register: delete_idempotent
- name: Absent assertions
assert:
that:
- delete_idempotent.changed == false
- delete_idempotent.existing == []
- name: Cleanup vlan pool
aci_vlan_pool:
<<: *aci_pool_present
state: absent
when: pool_present.changed == true