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Maniphest T2859

show nat source translation - Errors out
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Description

While performing a NAT masquerade type of configuration, the show nat source translation command is erring out.
This doesn't occur all the time. When I first started the router things reported just fine, however it now shows:

[email protected]:/var/log$ show nat source translations`
 Traceback (most recent call last):
  File "/usr/libexec/vyos/op_mode/show_nat_translations.py", line 200, in <module>
Pre-NAT              Post-NAT             Prot  Timeout
    main()
  File "/usr/libexec/vyos/op_mode/show_nat_translations.py", line 196, in main
    process(run(command(arg.type, arg.proto, arg.ipaddr)), arg.stats, arg.proto, arg.pipe, arg.verbose, arg.type)
  File "/usr/libexec/vyos/op_mode/show_nat_translations.py", line 106, in process
    rule_type = rule.get('type', '')
AttributeError: 'str' object has no attribute 'get'

Traffic behind this router is normal UDP/TCP traffic, and a host doing Strongswan through the router and being NAT'd. However, it should be encapsulated in NAT-T's standard port.

Details

Difficulty level
Unknown (require assessment)
Version
1.3-rolling-202008250118
Why the issue appeared?
Will be filled on close
Is it a breaking change?
Unspecified (possibly destroys the router)
Issue type
Bug (incorrect behavior)

Related Objects

Event Timeline

disirk74 created this task.Sep 4 2020, 2:20 PM
disirk74 edited projects, added VyOS 1.3 Equuleus; removed vyatta-nat.Sep 4 2020, 2:30 PM
c-po assigned this task to thomas-mangin.Sep 5 2020, 6:32 AM
pasik added a subscriber: pasik.Sep 6 2020, 8:54 AM
Viacheslav mentioned this in T2970: 'show nat source translations ' fails with Python error.Oct 9 2020, 7:22 AM
Viacheslav mentioned this in T3073: sh nat source translations Python error.Nov 16 2020, 10:17 AM
jack9603301 added a subscriber: jack9603301.Nov 16 2020, 10:28 AM
Viacheslav added a subscriber: Viacheslav.Dec 22 2020, 2:45 PM

PR https://github.com/vyos/vyos-1x/pull/656

[email protected]:~$ show nat source translations 
Pre-NAT              Post-NAT             Prot  Timeout  
10.0.0.2             192.168.122.14       icmp  24       
10.0.0.2             192.168.122.14       icmp  23       
10.0.0.2             192.168.122.14       icmp  25       
10.0.0.2:123         192.168.122.14:123   udp   19       
[email protected]:~$
erkin closed this task as Resolved.Jan 26 2021, 6:03 PM
erkin merged a task: T3073: sh nat source translations Python error.
erkin added subscribers: tuxnet, moepman.
erkin set Issue type to Bug (incorrect behavior).Aug 29 2021, 1:12 PM
erkin removed a subscriber: Active contributors.
syncer moved this task from Need Triage to Finished on the VyOS 1.3 Equuleus board.Nov 6 2021, 12:20 PM
syncer edited projects, added VyOS 1.3 Equuleus (1.3.0); removed VyOS 1.3 Equuleus.Aug 29 2022, 12:16 PM
syncer moved this task from Need Triage to Finished on the VyOS 1.3 Equuleus (1.3.0) board.