On Mon, Jul 25, 2022 at 1:25 AM Ales Musil <[email protected]> wrote:
>
> Hi Ihar,
>
>
> On Fri, Jul 22, 2022 at 8:37 PM Ihar Hrachyshka <[email protected]> wrote:
>>
>> On Wed, Jul 20, 2022 at 4:50 AM Ales Musil <[email protected]> wrote:
>> >
>> > Reported-at: https://bugzilla.redhat.com/2084668
>> > Signed-off-by: Ales Musil <[email protected]>
>> > ---
>> > v3: Rebase on top of current main.
>> >     Update according to the final conclusion.
>> > ---
>> >  tests/ovn.at | 109 +++++++++++++++++++++++++++++++++++++++++++++++++++
>> >  1 file changed, 109 insertions(+)
>> >
>> > diff --git a/tests/ovn.at b/tests/ovn.at
>> > index 7d10610fd..cbacc52c5 100644
>> > --- a/tests/ovn.at
>> > +++ b/tests/ovn.at
>> > @@ -32505,3 +32505,112 @@ AT_CHECK([test $(ovn-sbctl list fdb | grep -c 
>> > "00:00:00:00:10:30") = 0])
>> >  OVN_CLEANUP([hv1])
>> >  AT_CLEANUP
>> >  ])
>> > +
>> > +OVN_FOR_EACH_NORTHD([
>> > +AT_SETUP([MAC binding aging])
>> > +ovn_start
>> > +
>> > +net_add n1
>> > +
>> > +AT_CHECK([ovn-nbctl ls-add public])
>> > +AT_CHECK([ovn-nbctl ls-add internal])
>> > +
>> > +AT_CHECK([ovn-nbctl lsp-add public ln_port])
>> > +AT_CHECK([ovn-nbctl lsp-set-addresses ln_port unknown])
>> > +AT_CHECK([ovn-nbctl lsp-set-type ln_port localnet])
>> > +AT_CHECK([ovn-nbctl lsp-set-options ln_port network_name=physnet1])
>> > +
>> > +AT_CHECK([ovn-nbctl lsp-add public public-gw])
>> > +AT_CHECK([ovn-nbctl lsp-set-type public-gw router])
>> > +AT_CHECK([ovn-nbctl lsp-set-addresses public-gw 00:00:00:00:10:00 router])
>> > +AT_CHECK([ovn-nbctl lsp-set-options public-gw router-port=gw-public])
>> > +
>> > +AT_CHECK([ovn-nbctl lsp-add internal internal-gw])
>> > +AT_CHECK([ovn-nbctl lsp-set-type internal-gw router])
>> > +AT_CHECK([ovn-nbctl lsp-set-addresses internal-gw 00:00:00:00:20:00 
>> > router])
>> > +AT_CHECK([ovn-nbctl lsp-set-options internal-gw router-port=gw-internal])
>> > +
>> > +AT_CHECK([ovn-nbctl lsp-add internal vif1])
>> > +AT_CHECK([ovn-nbctl lsp-set-addresses vif1 "00:00:00:00:20:10 
>> > 192.168.20.10"])
>> > +
>> > +AT_CHECK([ovn-nbctl lsp-add internal vif2])
>> > +AT_CHECK([ovn-nbctl lsp-set-addresses vif2 "00:00:00:00:20:20 
>> > 192.168.20.20"])
>> > +
>> > +AT_CHECK([ovn-nbctl lr-add gw])
>> > +AT_CHECK([ovn-nbctl lrp-add gw gw-public 00:00:00:00:10:00 
>> > 192.168.10.1/24])
>> > +AT_CHECK([ovn-nbctl lrp-add gw gw-internal 00:00:00:00:20:00 
>> > 192.168.20.1/24])
>> > +
>> > +sim_add hv1
>> > +as hv1
>> > +ovs-vsctl add-br br-underlay
>> > +ovn_attach n1 br-underlay 192.168.0.1
>> > +ovs-vsctl add-br br-phys
>> > +ovs-vsctl -- add-port br-int vif1 -- \
>> > +    set interface vif1 external-ids:iface-id=vif1 \
>> > +    options:tx_pcap=hv1/vif1-tx.pcap \
>> > +    options:rxq_pcap=hv1/vif1-rx.pcap \
>> > +    ofport-request=1
>> > +ovs-vsctl -- add-port br-phys ext1 -- \
>> > +    set interface ext1 \
>> > +    options:tx_pcap=hv1/ext1-tx.pcap \
>> > +    options:rxq_pcap=hv1/ext1-rx.pcap \
>> > +    ofport-request=2
>> > +ovs-vsctl set open . external_ids:ovn-bridge-mappings=physnet1:br-phys
>> > +
>> > +sim_add hv2
>> > +as hv2
>> > +ovs-vsctl add-br br-underlay
>> > +ovn_attach n1 br-underlay 192.168.0.2
>> > +ovs-vsctl add-br br-phys
>> > +ovs-vsctl -- add-port br-int vif2 -- \
>> > +    set interface vif2 external-ids:iface-id=vif2 \
>> > +    options:tx_pcap=hv2/vif2-tx.pcap \
>> > +    options:rxq_pcap=hv2/vif2-rx.pcap \
>> > +    ofport-request=1
>> > +ovs-vsctl -- add-port br-phys ext2 -- \
>> > +    set interface ext2 \
>> > +    options:tx_pcap=hv2/ext2-tx.pcap \
>> > +    options:rxq_pcap=hv2/ext2-rx.pcap \
>> > +    ofport-request=2
>> > +ovs-vsctl set open . external_ids:ovn-bridge-mappings=physnet1:br-phys
>> > +
>> > +OVN_POPULATE_ARP
>> > +
>> > +send_garp() {
>> > +    hv=$1
>> > +    dev=$2
>> > +    mac_byte=$3
>> > +    ip_byte=${4-$3}
>> > +
>> > +    mac="0000000010$mac_byte"
>> > +    ip=`ip_to_hex 192 168 10 $ip_byte`
>> > +    packet=ffffffffffff${mac}08060001080006040002${mac}${ip}${mac}${ip}
>> > +    as $hv ovs-appctl netdev-dummy/receive $dev $packet
>> > +}
>> > +
>> > +# Check if the option is not present by default
>> > +AT_CHECK([fetch_column nb:logical_router options name="gw" | grep -q 
>> > mac_binding_age_threshold], [1])
>> > +
>> > +# Set the MAC binding aging threshold
>> > +AT_CHECK([ovn-nbctl set logical_router gw 
>> > options:mac_binding_age_threshold=1])
>> > +AT_CHECK([fetch_column nb:logical_router options | grep -q 
>> > mac_binding_age_threshold=1])
>> > +AT_CHECK([ovn-nbctl --wait=sb sync])
>> > +
>> > +# Send GARP to populate MAC binding table records
>> > +send_garp hv1 ext1 10
>> > +send_garp hv2 ext2 20
>> > +
>> > +OVS_WAIT_UNTIL([ovn-sbctl list mac_binding | grep -q "192.168.10.10"])
>> > +OVS_WAIT_UNTIL([ovn-sbctl list mac_binding | grep -q "192.168.10.20"])
>> > +
>> > +# Check if the records are removed after 1 sec of inactivity
>>
>> I don't see where the 1 sec promise is checked here. OVS_WAIT_UNTIL
>> may take a lot longer than that, and still the test would pass.
>
>
> There is no guarantee that it will be exactly 1 sec, it can be later than 
> that.
> From my point of view that's fine as long as it gets deleted eventually. Also
> having the test tight to the 1 sec would make it potentially flaky. Maybe the
> comment can be adjusted to better reflect that.
>

I understand that but OVS_WAIT_UNTIL waits up to 30 seconds. Is there
a middle ground between 1 sec and 30 sec we could find? AFAIU setting
OVS_CTL_TIMEOUT allows to speed up the bailout.

>>
>>
>> > +OVS_WAIT_UNTIL([
>> > +    test "0" = "$(ovn-sbctl list mac_binding | grep -c '192.168.10.10')"
>> > +])
>> > +OVS_WAIT_UNTIL([
>> > +    test "0" = "$(ovn-sbctl list mac_binding | grep -c '192.168.10.20')"
>> > +])
>> > +
>> > +OVN_CLEANUP([hv1], [hv2])
>> > +AT_CLEANUP
>> > +])
>> > --
>> > 2.35.3
>> >
>> > _______________________________________________
>> > dev mailing list
>> > [email protected]
>> > https://mail.openvswitch.org/mailman/listinfo/ovs-dev
>> >
>>
>
> Regards,
> Ales
>
> --
>
> Ales Musil
>
> Senior Software Engineer - OVN Core
>
> Red Hat EMEA
>
> [email protected]    IM: amusil

_______________________________________________
dev mailing list
[email protected]
https://mail.openvswitch.org/mailman/listinfo/ovs-dev

Reply via email to