[LTP] [RFC PATCH v7 07/11] lib/test_net.sh: Add function reset_ltp_netspace()

Alexey Kodanev
2017-07-26T14:44:18Z

Hi,
On 21.07.2017 7:04, Petr Vorel wrote:
> This function is useful when we know we broke netns (e.g. by unloading
> network driver).
>
> Signed-off-by: Petr Vorel <pvorel@suse.cz>
> ---
> testcases/lib/test_net.sh | 14 +++++++++++++-
> 1 file changed, 13 insertions(+), 1 deletion(-)
>
> diff --git a/testcases/lib/test_net.sh b/testcases/lib/test_net.sh
> index 0cafe1514..cecb0bab2 100644
> --- a/testcases/lib/test_net.sh
> +++ b/testcases/lib/test_net.sh
> @@ -42,7 +42,7 @@ init_ltp_netspace()
> export TST_INIT_NETNS="no"
>
> pid="$(echo $(readlink /var/run/netns/ltp_ns) | cut -f3 -d'/')"
> - export LTP_NETNS="${LTP_NETNS:-ns_exec $pid net,mnt}"
> + export LTP_NETNS="ns_exec $pid net,mnt"

It is better to reset LTP_NETNS variable before calling
init_ltp_netspace in reset_ltp_netspace().

Thanks,
Alexey

>
> tst_restore_ipaddr
> tst_restore_ipaddr rhost
> @@ -50,6 +50,18 @@ init_ltp_netspace()
> tst_wait_ipv6_dad
> }
>
> +# Force to reset netns.
> +reset_ltp_netspace()
> +{
> + [ -n "$TST_USE_NETNS" ] || return
> +
> + tst_resm TINFO "reset netns"
> + ip link delete ltp_ns_veth2 2> /dev/null
> + rm -f /var/run/netns/ltp_ns
> + pkill ns_create
> + init_ltp_netspace
> +}
> +
> # Run command on remote host.
> # Options:
> # -b run in background

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