cisco_nxos_show_ip_route errors out on Route Not Found

[seanblundy]

ISSUE TYPE

• Bug Report

TEMPLATE USING

Value Filldown VRF (\S+)
Value PROTOCOL ([\w-]+)
Value TYPE ([\w-]+)
Value Filldown NETWORK (\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})
Value Filldown MASK (\d{1,2})
Value DISTANCE (\d+)
Value METRIC (\d+)
Value NEXTHOP_IP (\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})
Value NEXTHOP_IF ([\w\./]+)
Value UPTIME ([\w:\.]+)
Value NEXTHOP_VRF (\S+)
Value TAG (\d+( \(\w+\))?)
Value SEGID (\d+)
Value TUNNELID (0x[a-f\d]+)
Value ENCAP (\w+)

Start
  ^IP\s+Route\s+Table\s+for\s+VRF\s+"${VRF}"\s*$$
  # Match the Network/Prefix Line
  ^\s*${NETWORK}\/${MASK}, ubest/mbest:
  #
  # Match VXLAN Route Entry
  ^\s+\*+via ${NEXTHOP_IP}(%${NEXTHOP_VRF})?, \[${DISTANCE}/${METRIC}\], ${UPTIME}, ${PROTOCOL}, ${TYPE}, tag ${TAG}\s+segid: ${SEGID}\s+tunnelid: ${TUNNELID}\s+encap: ${ENCAP} -> Record
  #
  # Match routes with no type, but with a tag (e.g. statics out SVIs with a tag)
  ^\s+\*+via ${NEXTHOP_IP}(%${NEXTHOP_VRF})?, ${NEXTHOP_IF}, \[${DISTANCE}\/${METRIC}\], ${UPTIME}, ${PROTOCOL}, tag ${TAG} -> Record
  #
  # Match standard dynamic route line (with or without tag)
  ^\s+\*+via ${NEXTHOP_IP}(%${NEXTHOP_VRF})?, ${NEXTHOP_IF}, \[${DISTANCE}/${METRIC}\], ${UPTIME}, ${PROTOCOL}, ${TYPE}(, tag ${TAG})? -> Record
  #
  # Match route without a type (e.g. direct, local)
  ^\s+\*+via ${NEXTHOP_IP}(%${NEXTHOP_VRF})?, ${NEXTHOP_IF}, \[${DISTANCE}\/${METRIC}\], ${UPTIME}, ${PROTOCOL} -> Record
  #
  # Match route without an outgoing interface (e.g. some statics) (with tag)
  ^\s+\*+via ${NEXTHOP_IP}(%${NEXTHOP_VRF})?, \[${DISTANCE}\/${METRIC}\], ${UPTIME}, ${PROTOCOL}, tag ${TAG} -> Record
  #
  # Match route without an outgoing interface (e.g. some statics) (without tag)
  ^\s+\*+via ${NEXTHOP_IP}(%${NEXTHOP_VRF})?, \[${DISTANCE}\/${METRIC}\], ${UPTIME}, ${PROTOCOL} -> Record
  #
  # Match route without a nexthop IP, only nexthop interface (e.g. null routes)
  ^\s+\*+via ${NEXTHOP_IF}, \[${DISTANCE}\/${METRIC}\], ${UPTIME}, ${PROTOCOL} -> Record
  ^'\S+'\s+denotes\s
  ^'%<string>'
  ^\s*$$
  ^. -> Error

EOF

SAMPLE COMMAND OUTPUT

nxos_device#show ip route vrf all 169.254.0.1
IP Route Table for VRF "default"
'*' denotes best ucast next-hop
'**' denotes best mcast next-hop
'[x/y]' denotes [preference/metric]
'%<string>' in via output denotes VRF <string>

Route not found

IP Route Table for VRF "DMZ"
'*' denotes best ucast next-hop
'**' denotes best mcast next-hop
'[x/y]' denotes [preference/metric]
'%<string>' in via output denotes VRF <string>

0.0.0.0/0, ubest/mbest: 1/0
    *via 169.254.0.1, [20/0], 41w6d, bgp-64512, external, tag 64512

IP Route Table for VRF "Users"
'*' denotes best ucast next-hop
'**' denotes best mcast next-hop
'[x/y]' denotes [preference/metric]
'%<string>' in via output denotes VRF <string>

0.0.0.0/0, ubest/mbest: 1/0
    *via 169.254.0.1%DMZ, [20/0], 41w6d, bgp-64512, external, tag 64512

SUMMARY

TextFSM errors out at the first Route not found block.

STEPS TO REPRODUCE

On a Cisco NX-OS device, create multiple vrfs.
In one VRF: Create a route toward a destination.
Perform show ip route vrf all toward that destination.

vrf context DMZ
  ip route 0.0.0.0/0 169.254.0.1
vrf context Users

EXPECTED RESULTS

A list of all the routes in all the vrfs.

ACTUAL RESULTS

textfsm.parser.TextFSMError: State Error raised. Rule Line: 45. Input Line: Route not found

Tested solution

Add ^Route not found above ^. -> Error in cisco_nxos_show_ip_route.textfsm

[diepes]

add pull request with additional test and the fix #870

[diepes]

@seanblundy PR merged.

[seanblundy]

@diepes Thank you very much. :)