On 08/16/2015 12:56 PM, Alex Wang wrote:
> When testing the recreation of 'chassis' table entry by 'ovn-controller-
> vtep'.  The removal of 'chassis' table entry by the 'ovn-sbctl' could
> cause 'Broken pipe' warning in ovsdb-server.log.  This is due to the
> race between 'ovn-sbctl' exiting and 'ovn-controller-vtep' adding
> the chassis back.  So, if the 'ovn-sbctl' exits right when the
> ovsdb-server tries to send update of readd of the deleted 'chassis',
> the sending will fail with 'Broken pipe' error.
> 
> Signed-off-by: Alex Wang <al...@nicira.com>
> ---
>  tests/ovn-controller-vtep.at |    4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/tests/ovn-controller-vtep.at b/tests/ovn-controller-vtep.at
> index 82f6166..12d0134 100644
> --- a/tests/ovn-controller-vtep.at
> +++ b/tests/ovn-controller-vtep.at
> @@ -104,6 +104,10 @@ OVS_WAIT_UNTIL([test -n "`grep WARN 
> ovn-controller-vtep.log`"])
>  AT_CHECK([sed -n 's/^.*\(|WARN|.*\)$/\1/p' ovn-controller-vtep.log], [0], 
> [dnl
>  |WARN|Chassis for VTEP physical switch (br-vtep) disappears, maybe deleted 
> by ovn-sbctl, adding it back
>  ])
> +# this removal of chassis could cause 'Broken pipe' warning in the 
> ovsdb-server.log,
> +# due to the race between 'ovn-sbctl' exiting and 'ovn-controller-vtep' 
> adding
> +# the chassis back.  so just removes the 'Broken pipe' warning from 
> ovsdb-server.log.
> +AT_CHECK([sed -i '/Broken pipe/d' ovsdb-server.log])
>  
>  # changes the tunnel_ip on physical switch, watches the update of chassis's
>  # encap.
> 

Acked-by: Russell Bryant <rbry...@redhat.com>

-- 
Russell Bryant
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