Ios static route new parameters (#41478)

* Update ios_static_route.py

* Update version_added
This commit is contained in:
Dennis Israelsson 2019-02-07 16:38:20 +01:00 committed by Nathaniel Case
parent 0745d6a10a
commit 9243c927ba

View file

@ -35,8 +35,6 @@ description:
IP routes on Cisco IOS network devices.
notes:
- Tested against IOS 15.6
requirements:
- Python >= 3.3 or C(ipaddress) python package
options:
prefix:
description:
@ -47,9 +45,31 @@ options:
next_hop:
description:
- Next hop IP of the static route.
vrf:
description:
- VRF of the static route.
version_added: "2.8"
interface:
description:
- Interface of the static route.
version_added: "2.8"
name:
description:
- Name of the static route
aliases: ['description']
version_added: "2.8"
admin_distance:
description:
- Admin distance of the static route.
default: 1
tag:
description:
- Set tag of the static route.
version_added: "2.8"
track:
description:
- Tracked item to depend on for the static route.
version_added: "2.8"
aggregate:
description: List of static route definitions.
state:
@ -67,6 +87,22 @@ EXAMPLES = """
mask: 255.255.255.0
next_hop: 10.0.0.1
- name: configure black hole in vrf blue depending on tracked item 10
ios_static_route:
prefix: 192.168.2.0
mask: 255.255.255.0
vrf: blue
interface: null0
track: 10
- name: configure ultimate route with name and tag
ios_static_route:
prefix: 192.168.2.0
mask: 255.255.255.0
interface: GigabitEthernet1
name: hello world
tag: 100
- name: remove configuration
ios_static_route:
prefix: 192.168.2.0
@ -80,7 +116,7 @@ EXAMPLES = """
- { prefix: 172.16.32.0, mask: 255.255.255.0, next_hop: 10.0.0.8 }
- { prefix: 172.16.33.0, mask: 255.255.255.0, next_hop: 10.0.0.8 }
- name: Add static route aggregates
- name: Remove static route aggregates
ios_static_route:
aggregate:
- { prefix: 172.16.32.0, mask: 255.255.255.0, next_hop: 10.0.0.8 }
@ -97,55 +133,54 @@ commands:
- ip route 192.168.2.0 255.255.255.0 10.0.0.1
"""
from copy import deepcopy
import re
from re import findall
from ansible.module_utils._text import to_text
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.connection import ConnectionError
from ansible.module_utils.network.common.utils import remove_default_spec
from ansible.module_utils.network.ios.ios import get_config, load_config, run_commands
from ansible.module_utils.network.common.utils import remove_default_spec, validate_ip_address
from ansible.module_utils.network.ios.ios import get_config, load_config
from ansible.module_utils.network.ios.ios import ios_argument_spec, check_args
try:
from ipaddress import ip_network
HAS_IPADDRESS = True
except ImportError:
HAS_IPADDRESS = False
def map_obj_to_commands(want, have, module):
def map_obj_to_commands(want, have):
commands = list()
for w in want:
state = w['state']
del w['state']
# Try to match an existing config with the desired config
for h in have:
for key in ['prefix', 'mask', 'next_hop']:
# If any key doesn't match, skip to the next set
if w[key] != h[key]:
break
# If all keys match, don't execute final else
else:
diff = list(set(w.items()) ^ set(h.items()))
if not diff:
break
# if route is present with name or name already starts with wanted name it will not change
elif len(diff) == 2 and diff[0][0] == diff[1][0] == 'name' and (not w['name'] or h['name'].startswith(w['name'])):
break
# If no matches found, clear `h`
else:
h = None
command = 'ip route'
prefix = w['prefix']
mask = w['mask']
next_hop = w['next_hop']
admin_distance = w.get('admin_distance')
if not admin_distance and h:
w['admin_distance'] = admin_distance = h['admin_distance']
state = w['state']
del w['state']
vrf = w.get('vrf')
if vrf:
command = ' '.join((command, 'vrf', vrf, prefix, mask))
else:
command = ' '.join((command, prefix, mask))
if state == 'absent' and w in have:
commands.append('no ip route %s %s %s' % (prefix, mask, next_hop))
elif state == 'present' and w not in have:
if admin_distance:
commands.append('ip route %s %s %s %s' % (prefix, mask, next_hop, admin_distance))
else:
commands.append('ip route %s %s %s' % (prefix, mask, next_hop))
for key in ['interface', 'next_hop', 'admin_distance', 'tag', 'name', 'track']:
if w.get(key):
if key == 'name' and len(w.get(key).split()) > 1:
command = ' '.join((command, key, '"%s"' % w.get(key))) # name with multiple words needs to be quoted
elif key in ('name', 'tag', 'track'):
command = ' '.join((command, key, w.get(key)))
else:
command = ' '.join((command, w.get(key)))
if state == 'absent' and h:
commands.append('no %s' % command)
elif state == 'present' and not h:
commands.append(command)
return commands
@ -153,56 +188,43 @@ def map_obj_to_commands(want, have, module):
def map_config_to_obj(module):
obj = []
try:
out = run_commands(module, 'show ip static route')[0]
match = re.search(r'.*Static local RIB for default\s*(.*)$', out, re.DOTALL)
out = get_config(module, flags='| include ip route')
if match and match.group(1):
for r in match.group(1).splitlines():
splitted_line = r.split()
for line in out.splitlines():
splitted_line = findall(r'[^"\s]\S*|".+?"', line) # Split by whitespace but do not split quotes, needed for name parameter
code = splitted_line[0]
if splitted_line[2] == 'vrf':
route = {'vrf': splitted_line[3]}
del splitted_line[:4] # Removes the words ip route vrf vrf_name
else:
route = {}
del splitted_line[:2] # Removes the words ip route
if code != 'M':
continue
prefix = splitted_line[0]
mask = splitted_line[1]
route.update({'prefix': prefix, 'mask': mask, 'admin_distance': '1'})
cidr = ip_network(to_text(splitted_line[1]))
prefix = str(cidr.network_address)
mask = str(cidr.netmask)
next_hop = splitted_line[4]
admin_distance = splitted_line[2][1]
obj.append({
'prefix': prefix, 'mask': mask, 'next_hop': next_hop,
'admin_distance': admin_distance
})
except ConnectionError:
out = get_config(module, flags='| include ip route')
for line in out.splitlines():
splitted_line = line.split()
if len(splitted_line) not in (5, 6):
continue
prefix = splitted_line[2]
mask = splitted_line[3]
next_hop = splitted_line[4]
if len(splitted_line) == 6:
admin_distance = splitted_line[5]
next_word = None
for word in splitted_line[2:]:
if next_word:
route[next_word] = word.strip('"') # Remove quotes which is needed for name
next_word = None
elif validate_ip_address(word):
route.update(next_hop=word)
elif word.isdigit():
route.update(admin_distance=word)
elif word in ('tag', 'name', 'track'):
next_word = word
else:
admin_distance = '1'
route.update(interface=word)
obj.append({
'prefix': prefix, 'mask': mask, 'next_hop': next_hop,
'admin_distance': admin_distance
})
obj.append(route)
return obj
def map_params_to_obj(module, required_together=None):
keys = ['prefix', 'mask', 'next_hop', 'admin_distance', 'state']
keys = ['prefix', 'mask', 'state', 'next_hop', 'vrf', 'interface', 'name', 'admin_distance', 'track', 'tag']
obj = []
aggregate = module.params.get('aggregate')
@ -213,21 +235,16 @@ def map_params_to_obj(module, required_together=None):
if route.get(key) is None:
route[key] = module.params.get(key)
route = dict((k, v) for k, v in route.items() if v is not None)
module._check_required_together(required_together, route)
obj.append(route)
else:
module._check_required_together(required_together, module.params)
obj.append({
'prefix': module.params['prefix'].strip(),
'mask': module.params['mask'].strip(),
'next_hop': module.params['next_hop'].strip(),
'admin_distance': module.params.get('admin_distance'),
'state': module.params['state'],
})
for route in obj:
if route['admin_distance']:
route['admin_distance'] = str(route['admin_distance'])
route = dict()
for key in keys:
if module.params.get(key) is not None:
route[key] = module.params.get(key)
obj.append(route)
return obj
@ -239,7 +256,12 @@ def main():
prefix=dict(type='str'),
mask=dict(type='str'),
next_hop=dict(type='str'),
admin_distance=dict(type='int'),
vrf=dict(type='str'),
interface=dict(type='str'),
name=dict(type='str', aliases=['description']),
admin_distance=dict(type='str', default='1'),
track=dict(type='str'),
tag=dict(tag='str'),
state=dict(default='present', choices=['present', 'absent'])
)
@ -257,7 +279,7 @@ def main():
argument_spec.update(ios_argument_spec)
required_one_of = [['aggregate', 'prefix']]
required_together = [['prefix', 'mask', 'next_hop']]
required_together = [['prefix', 'mask']]
mutually_exclusive = [['aggregate', 'prefix']]
module = AnsibleModule(argument_spec=argument_spec,
@ -265,9 +287,6 @@ def main():
mutually_exclusive=mutually_exclusive,
supports_check_mode=True)
if not HAS_IPADDRESS:
module.fail_json(msg="ipaddress python package is required")
warnings = list()
check_args(module, warnings)
@ -277,7 +296,7 @@ def main():
want = map_params_to_obj(module, required_together=required_together)
have = map_config_to_obj(module)
commands = map_obj_to_commands(want, have, module)
commands = map_obj_to_commands(want, have)
result['commands'] = commands
if commands: