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nxos_vlan: vlan names containing regex ctl chars should be escaped (#55463)

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The `nxos_vlan` module may raise with regex error `sre_constants.error: multiple repeat` in the non_structured codepath if the device has existing vlan names with certain regex control characters; e.g.

```
VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
1    default                          active    Eth1/3
14   my-vlan-name-is-***              active
```
This commit is contained in:
Chris Van Heuveln 2019-05-02 08:34:00 -04:00 • committed by Trishna Guha
parent 869fdcd7d4
commit de8ce08fd8
1 changed files with 2 additions and 3 deletions
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5
lib/ansible/modules/network/nxos/nxos_vlan.py
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@ -496,8 +496,7 @@ def parse_vlan_non_structured(module, netcfg, vlans):
if name_match: if name_match:
name = name_match.group(1) name = name_match.group(1)
obj['name'] = name obj['name'] = name
state_match = re.search(r'{0}\s*{1}\s*(\S+)'.format(vlan_id, re.escape(name)), vlan, re.M)
state_match = re.search(r'{0}\s*{1}\s*(\S+)'.format(vlan_id, name), vlan, re.M)
if state_match: if state_match:
vlan_state_match = state_match.group(1) vlan_state_match = state_match.group(1)
if vlan_state_match == 'suspended': if vlan_state_match == 'suspended':
@ -518,7 +517,7 @@ def parse_vlan_non_structured(module, netcfg, vlans):
vlan = ','.join(vlan.splitlines()) vlan = ','.join(vlan.splitlines())
interfaces = list() interfaces = list()
intfs_match = re.search(r'{0}\s*{1}\s*{2}\s*(.*)'.format(vlan_id, name, vlan_state_match), intfs_match = re.search(r'{0}\s*{1}\s*{2}\s*(.*)'.format(vlan_id, re.escape(name), vlan_state_match),
vlan, re.M) vlan, re.M)
if intfs_match: if intfs_match:
intfs = intfs_match.group(1) intfs = intfs_match.group(1)