Re: [iptables PATCH] tests: iptables-test: Support variant deviation

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On Wed, Feb 09, 2022 at 03:11:42PM +0100, Pablo Neira Ayuso wrote:
> On Fri, Feb 04, 2022 at 06:55:20PM +0100, Phil Sutter wrote:
> > Some test results are not consistent between variants:
> > 
> > * CLUSTERIP is not supported with nft_compat, so all related tests fail
> >   with iptables-nft.
> > * iptables-legacy mandates TCPMSS be combined with SYN flag match,
> >   iptables-nft does not care. (Or precisely, xt_TCPMSS.ko can't validate
> >   match presence.)
> > 
> > Avoid the expected failures by allowing "NFT" and "LGC" outcomes in
> > addition to "OK" and "FAIL". They specify the variant with which given
> > test should pass.
> > 
> > Signed-off-by: Phil Sutter <phil@xxxxxx>
> > ---
> >  extensions/libipt_CLUSTERIP.t | 4 ++--
> >  extensions/libxt_TCPMSS.t     | 2 +-
> >  iptables-test.py              | 7 +++++--
> >  3 files changed, 8 insertions(+), 5 deletions(-)
> > 
> > diff --git a/extensions/libipt_CLUSTERIP.t b/extensions/libipt_CLUSTERIP.t
> > index 5af555e005c1d..d3a2d6cbb1b2e 100644
> > --- a/extensions/libipt_CLUSTERIP.t
> > +++ b/extensions/libipt_CLUSTERIP.t
> > @@ -1,4 +1,4 @@
> >  :INPUT
> >  -d 10.31.3.236/32 -i lo -j CLUSTERIP --new --hashmode sourceip --clustermac 01:AA:7B:47:F7:D7 --total-nodes 2 --local-node 0 --hash-init 1;=;FAIL
> > --d 10.31.3.236/32 -i lo -j CLUSTERIP --new --hashmode sourceip --clustermac 01:AA:7B:47:F7:D7 --total-nodes 2 --local-node 1 --hash-init 1;=;OK
> 
> Could you add a new semicolon to the test line instead?
> 
> --d 10.31.3.236/32 -i lo -j CLUSTERIP --new --hashmode sourceip --clustermac 01:AA:7B:47:F7:D7 --total-nodes 2 --local-node 1 --hash-init 1;=;OK;LEGACY

Sure, will do. It means we'll have semantical aliases:

- ...;OK;LEGAY == ...;FAIL;NFT
- ...;OK:NFT == ...;FAIL;LEGACY

Not a real issue, though.

Thanks, Phil



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