On Fri, Mar 14, 2025 at 1:59 PM Xavier Simonart <[email protected]> wrote:

> Signed-off-by: Xavier Simonart <[email protected]>
> ---
>

Hi Xavier,

thank you for the patch, I have some minor comments down below.

 tests/multinode-macros.at |   4 +
>  tests/multinode.at        | 224 +++++++++++++-------------------------
>  2 files changed, 78 insertions(+), 150 deletions(-)
>
> diff --git a/tests/multinode-macros.at b/tests/multinode-macros.at
> index 29f0711e6..576098a41 100644
> --- a/tests/multinode-macros.at
> +++ b/tests/multinode-macros.at
> @@ -89,6 +89,10 @@ cleanup_multinode_resources() {
>      done
>  }
>
> +multinode_sbctl () {
> +    m_as ovn-central-az1-1 ovn-sbctl "$@"
> +}
> +
>  multinode_nbctl () {
>      m_as ovn-central-az1-1 ovn-nbctl "$@"
>  }
> diff --git a/tests/multinode.at b/tests/multinode.at
> index 7ff8588c9..f0aeeb346 100644
> --- a/tests/multinode.at
> +++ b/tests/multinode.at
> @@ -2802,6 +2802,53 @@ OVS_WAIT_UNTIL([m_as ovn-chassis-1 ip link show |
> grep -q genev_sys])
>  OVS_WAIT_UNTIL([m_as ovn-chassis-2 ip link show | grep -q genev_sys])
>  OVS_WAIT_UNTIL([m_as ovn-chassis-3 ip link show | grep -q genev_sys])
>
> +# check_ping(src_port, src_chassis, dst_port, expected_status)
> +# Check whether ping, from src_port on src_chassis to dst_port works as
> expected.
> +# expected_status:
> +#   - "success" (or empty): ping should succeed between src and dst.
> +#   - "potential-duplicates: ping should succeed, but we might have
> potential duplicate packets.
>

nit: Missing " after potential-duplicates, also would "duplicates" be
enough with explanation?

+#   - "lost": ping should fail, no packets should go through.
> +# Source ip namespace is derived from previous parameters:
> +#   - parent_port name for container ports.
> +#   - same name as port itself for other ports.
> +# Dest ip is retrieved from dst_port.
> +check_ping() {
> +    src_port=$1
> +    src_chassis=$2
> +    dst_port=$3
> +    status=${4-success}
>

Missing colon after 4.

+
> +    parent_port=$(multinode_sbctl get port_binding $src_port parent_port)
> +    if [[ "$parent_port" != "[]" ]]; then
> +        src_ns=$parent_port
> +    else
> +        src_ns=$src_port
> +    fi
> +    dst_chassis_uuid=$(multinode_sbctl get port_binding $dst_port chassis)
> +    requested_chassis_uuid=$(multinode_sbctl get port_binding $dst_port
> requested_chassis)
> +    dst_chassis=$(multinode_sbctl --bare --columns name list chassis
> $dst_chassis_uuid)
> +    dst_ip=$(multinode_nbctl lsp-get-addresses $dst_port | awk '{print
> $2}')
> +    echo "$src_port on $src_chassis => $dst_port on
> $dst_chassis(requested_chassis=$requested_chassis_uuid)"
> +    M_NS_CHECK_EXEC([$src_chassis], [$src_ns], [ping -q -c 3 -i 0.3 -w 2
> $dst_ip | FORMAT_PING], \
> +[0], [stdout])
> +    if [[ "$status" == "success" ]]; then
> +        AT_CHECK([cat stdout | grep -c "3 packets transmitted, 3
> received, 0% packet loss"], [0],[dnl
>

nit: space after ,

+1
> +])
> +    elif [[ "$status" == "potential-duplicates" ]]; then
> +        AT_CHECK([cat stdout | grep "3 packets transmitted" | grep -c "3
> received"], [0],[dnl
>

nit: same here

+1
> +])
> +    elif [[ "$status" == "lost" ]]; then
> +        AT_CHECK([cat stdout | grep -c "100% packet loss"], [0],[dnl
>

nit: same here


> +1
> +])
> +    else
> +        echo "unexpected status $status"
> +        AT_FAIL_IF([:])
> +    fi
> +}
> +
>  check multinode_nbctl ls-add sw0
>  check multinode_nbctl lsp-add sw0 migrator
>  check multinode_nbctl lsp-set-addresses migrator "50:54:00:00:00:03
> 10.0.0.3 1000::3"
> @@ -2813,79 +2860,34 @@ check multinode_nbctl --wait=hv set
> Logical_Switch_Port migrator options:request
>
>  m_as ovn-chassis-1 /data/create_fake_vm.sh migrator migrator
> 50:54:00:00:00:03 1342 10.0.0.3 24 10.0.0.1 1000::3/64 1000::a
>  m_as ovn-chassis-3 /data/create_fake_vm.sh migrator migrator
> 50:54:00:00:00:03 1342 10.0.0.3 24 10.0.0.1 1000::3/64 1000::a
> -m_as ovn-chassis-2 /data/create_fake_vm.sh sw0-port2 sw0p2
> 50:54:00:00:00:04 1342 10.0.0.4 24 10.0.0.1 1000::4/64 1000::a
> +m_as ovn-chassis-2 /data/create_fake_vm.sh sw0-port2 sw0-port2
> 50:54:00:00:00:04 1342 10.0.0.4 24 10.0.0.1 1000::4/64 1000::a
>
>  m_wait_for_ports_up
>
>  M_START_TCPDUMP([ovn-chassis-1], [-neei genev_sys_6081 arp or ip],
> [ch1_genev])
>  M_START_TCPDUMP([ovn-chassis-1], [-neei migrator-p arp or ip],
> [ch1_migrator])
>  M_START_TCPDUMP([ovn-chassis-2], [-neei genev_sys_6081 arp or ip],
> [ch2_genev])
> -M_START_TCPDUMP([ovn-chassis-2], [-neei sw0p2-p arp or ip], [ch2_sw0p2])
> +M_START_TCPDUMP([ovn-chassis-2], [-neei sw0-port2-p arp or ip],
> [ch2_sw0p2])
>  M_START_TCPDUMP([ovn-chassis-3], [-neei genev_sys_6081 arp or ip],
> [ch3_genev])
>  M_START_TCPDUMP([ovn-chassis-3], [-neei migrator-p arp or ip],
> [ch3_migrator])
>
>  AS_BOX([Migration with vifs])
> -echo "Migrator on chassis-1 => sw0p2 on chassis-2"
> -M_NS_CHECK_EXEC([ovn-chassis-1], [migrator], [ping -q -c 3 -i 0.3 -w 2
> 10.0.0.4 | FORMAT_PING], \
> -[0], [dnl
> -3 packets transmitted, 3 received, 0% packet loss, time 0ms
> -])
> -
> -echo "sw0p2 on chassis-2 => Migrator on chassis-1"
> -M_NS_CHECK_EXEC([ovn-chassis-2], [sw0p2], [ping -q -c 3 -i 0.3 -w 2
> 10.0.0.3 | FORMAT_PING], \
> -[0], [dnl
> -3 packets transmitted, 3 received, 0% packet loss, time 0ms
> -])
> +check_ping migrator ovn-chassis-1 sw0-port2
> +check_ping sw0-port2 ovn-chassis-2 migrator
>
>  echo "== Starting migration =="
>  check multinode_nbctl --wait=hv set Logical_Switch_Port migrator
> options:requested-chassis=ovn-chassis-1,ovn-chassis-3
>
> -echo "Migrator on chassis-1 => sw0p2 on chassis-2"
> -M_NS_CHECK_EXEC([ovn-chassis-1], [migrator], [ping -q -c 3 -i 0.3 -w 2
> 10.0.0.4 | FORMAT_PING], \
> -[0], [dnl
> -3 packets transmitted, 3 received, 0% packet loss, time 0ms
> -])
> -
> +check_ping migrator ovn-chassis-1 sw0-port2
> +check_ping migrator ovn-chassis-3 sw0-port2
>
> -echo "Migrator on chassis-3 => sw0p2 on chassis-2"
> -M_NS_CHECK_EXEC([ovn-chassis-3], [migrator], [ping -q -c 3 -i 0.3 -w 2
> 10.0.0.4 | FORMAT_PING], \
> -[0], [dnl
> -3 packets transmitted, 3 received, 0% packet loss, time 0ms
> -])
> -
> -echo "sw0p2 on chassis-2 => migrator on  ..."
> -M_NS_CHECK_EXEC([ovn-chassis-2], [sw0p2], [ping -q -c 3 -i 0.3 -w 2
> 10.0.0.3 | FORMAT_PING], \
> -[0], [stdout])
> -
> -# Both VM are running ... We might get duplicates replies.
> -AT_CHECK([cat stdout | grep "3 packets transmitted" | grep -c "3
> received"], [0],[dnl
> -1
> -])
> +check_ping sw0-port2 ovn-chassis-2 migrator "potential-duplicates"
>
>  echo "== Finalizing migration =="
>  check multinode_nbctl --wait=hv set Logical_Switch_Port migrator
> options:requested-chassis=ovn-chassis-3
>
> -echo "Migrator on chassis-1 => sw0p2 on chassis-2"
> -M_NS_CHECK_EXEC([ovn-chassis-1], [migrator], [ping -q -c 3 -i 0.3 -w 2
> 10.0.0.4 | FORMAT_PING], \
> -[0], [stdout])
> -
> -# VM still running on chassis-1 but flows should have been deleted as
> migration completed.
> -AT_CHECK([cat stdout | grep -c "100% packet loss"], [0],[dnl
> -1
> -])
> -
> -echo "Migrator on chassis-3 => sw0p2 on chassis-2"
> -M_NS_CHECK_EXEC([ovn-chassis-3], [migrator], [ping -q -c 3 -i 0.3 -w 2
> 10.0.0.4 | FORMAT_PING], \
> -[0], [dnl
> -3 packets transmitted, 3 received, 0% packet loss, time 0ms
> -])
> -
> -# We should not have duplicates anymore
> -echo "sw0p2 on chassis-2 => migrator on chassis-3"
> -M_NS_CHECK_EXEC([ovn-chassis-2], [sw0p2], [ping -q -c 3 -i 0.3 -w 2
> 10.0.0.3 | FORMAT_PING], \
> -[0], [dnl
> -3 packets transmitted, 3 received, 0% packet loss, time 0ms
> -])
> +check_ping migrator ovn-chassis-3 sw0-port2
> +check_ping sw0-port2 ovn-chassis-2 migrator
>
>  AS_BOX([Migration with container ports])
>  # Create container ports.
> @@ -2907,71 +2909,27 @@ M_NS_CHECK_EXEC([ovn-chassis-3], [migrator], [ip
> link set cont up], [0])
>  M_NS_CHECK_EXEC([ovn-chassis-3], [migrator], [ip addr add 20.0.0.3/24
> dev cont], [0])
>
>  # Create the interface for lport sw1-port2
> -M_NS_CHECK_EXEC([ovn-chassis-2], [sw0p2], [ip link add link sw0p2 name
> cont2 type vlan id 10], [0])
> -M_NS_CHECK_EXEC([ovn-chassis-2], [sw0p2], [ip link set cont2 address
> f0:00:00:01:02:04], [0])
> -M_NS_CHECK_EXEC([ovn-chassis-2], [sw0p2], [ip link set cont2 up], [0])
> -M_NS_CHECK_EXEC([ovn-chassis-2], [sw0p2], [ip addr add 20.0.0.4/24 dev
> cont2], [0])
> +M_NS_CHECK_EXEC([ovn-chassis-2], [sw0-port2], [ip link add link sw0-port2
> name cont2 type vlan id 10], [0])
> +M_NS_CHECK_EXEC([ovn-chassis-2], [sw0-port2], [ip link set cont2 address
> f0:00:00:01:02:04], [0])
> +M_NS_CHECK_EXEC([ovn-chassis-2], [sw0-port2], [ip link set cont2 up], [0])
> +M_NS_CHECK_EXEC([ovn-chassis-2], [sw0-port2], [ip addr add 20.0.0.4/24
> dev cont2], [0])
>
> -echo "mig-cont on chassis-3 => cont2 on chassis-2"
> -M_NS_CHECK_EXEC([ovn-chassis-3], [migrator], [ping -q -c 3 -i 0.3 -w 2
> 20.0.0.4 | FORMAT_PING], \
> -[0], [dnl
> -3 packets transmitted, 3 received, 0% packet loss, time 0ms
> -])
> -
> -echo "cont2 on chassis-2 => mig-cont on chassis-3"
> -M_NS_CHECK_EXEC([ovn-chassis-2], [sw0p2], [ping -q -c 3 -i 0.3 -w 2
> 20.0.0.3 | FORMAT_PING], \
> -[0], [dnl
> -3 packets transmitted, 3 received, 0% packet loss, time 0ms
> -])
> +check_ping mig-cont ovn-chassis-3 cont2
> +check_ping cont2 ovn-chassis-2 mig-cont
>
>  echo "== Starting migration back =="
>  check multinode_nbctl --wait=hv set Logical_Switch_Port migrator
> options:requested-chassis=ovn-chassis-3,ovn-chassis-1
>
> -echo "mig-cont on chassis-3 => cont2 on chassis-2"
> -M_NS_CHECK_EXEC([ovn-chassis-3], [migrator], [ping -q -c 3 -i 0.3 -w 2
> 20.0.0.4 | FORMAT_PING], \
> -[0], [dnl
> -3 packets transmitted, 3 received, 0% packet loss, time 0ms
> -])
> -
> -echo "mig-cont on chassis-1 => cont2 on chassis-2"
> -M_NS_CHECK_EXEC([ovn-chassis-1], [migrator], [ping -q -c 3 -i 0.3 -w 2
> 20.0.0.4 | FORMAT_PING], \
> -[0], [dnl
> -3 packets transmitted, 3 received, 0% packet loss, time 0ms
> -])
> -
> -echo "cont2 on chassis-2 => mig-cont on  ..."
> -M_NS_CHECK_EXEC([ovn-chassis-2], [sw0p2], [ping -q -c 3 -i 0.3 -w 2
> 20.0.0.3 | FORMAT_PING], \
> -[0], [stdout])
> -
> -# Both VM are running ... We might get duplicates replies.
> -AT_CHECK([cat stdout | grep "3 packets transmitted" | grep -c "3
> received"], [0],[dnl
> -1
> -])
> +check_ping mig-cont ovn-chassis-3 cont2
> +check_ping mig-cont ovn-chassis-1 cont2
> +check_ping cont2 ovn-chassis-2 mig-cont "potential-duplicates"
>
>  echo "== Finalizing migration =="
>  check multinode_nbctl --wait=hv set Logical_Switch_Port migrator
> options:requested-chassis=ovn-chassis-1
>
> -echo "mig-cont on chassis-3 => cont2 on chassis-2"
> -M_NS_CHECK_EXEC([ovn-chassis-3], [migrator], [ping -q -c 3 -i 0.3 -w 2
> 20.0.0.4 | FORMAT_PING], \
> -[0], [stdout])
> -
> -# VM still running on chassis-3 but flows should have been deleted....
> -AT_CHECK([cat stdout | grep -c "100% packet loss"], [0],[dnl
> -1
> -])
> -
> -echo "mig-cont on chassis-1 => cont2 on chassis-2"
> -M_NS_CHECK_EXEC([ovn-chassis-1], [migrator], [ping -q -c 3 -i 0.3 -w 2
> 20.0.0.4 | FORMAT_PING], \
> -[0], [dnl
> -3 packets transmitted, 3 received, 0% packet loss, time 0ms
> -])
> -
> -# We should not have duplicates anymore
> -echo "cont2 on chassis-2 => mig-cont on chassis-1"
> -M_NS_CHECK_EXEC([ovn-chassis-2], [sw0p2], [ping -q -c 3 -i 0.3 -w 2
> 20.0.0.3 | FORMAT_PING], \
> -[0], [dnl
> -3 packets transmitted, 3 received, 0% packet loss, time 0ms
> -])
> +check_ping mig-cont ovn-chassis-3 cont2 "lost"
> +check_ping mig-cont ovn-chassis-1 cont2
> +check_ping cont2 ovn-chassis-2 mig-cont
>
>  echo "== Starting another migration, this time before starting dst VM =="
>  # Unbind migrator from chassis-3
> @@ -2982,51 +2940,17 @@ sleep 1
>  m_as ovn-chassis-3 ovs-vsctl -- set Interface migrator-p
> external_ids:iface-id=migrator
>
>
> -echo "mig-cont on chassis-3 => cont2 on chassis-2"
> -M_NS_CHECK_EXEC([ovn-chassis-3], [migrator], [ping -q -c 3 -i 0.3 -w 2
> 20.0.0.4 | FORMAT_PING], \
> -[0], [dnl
> -3 packets transmitted, 3 received, 0% packet loss, time 0ms
> -])
> -
> -echo "mig-cont on chassis-1 => cont2 on chassis-2"
> -M_NS_CHECK_EXEC([ovn-chassis-1], [migrator], [ping -q -c 3 -i 0.3 -w 2
> 20.0.0.4 | FORMAT_PING], \
> -[0], [dnl
> -3 packets transmitted, 3 received, 0% packet loss, time 0ms
> -])
> -
> -echo "cont2 on chassis-2 => migrator on  ..."
> -M_NS_CHECK_EXEC([ovn-chassis-2], [sw0p2], [ping -q -c 3 -i 0.3 -w 2
> 20.0.0.3 | FORMAT_PING], \
> -[0], [stdout])
> +check_ping mig-cont ovn-chassis-3 cont2
> +check_ping mig-cont ovn-chassis-1 cont2
> +check_ping cont2 ovn-chassis-2 mig-cont "potential-duplicates"
>
> -# Both VM are running ... We might get duplicates replies.
> -AT_CHECK([cat stdout | grep "3 packets transmitted" | grep -c "3
> received"], [0],[dnl
> -1
> -])
>
>  echo "== Finalizing migration =="
>  check multinode_nbctl --wait=hv set Logical_Switch_Port migrator
> options:requested-chassis=ovn-chassis-3
>
> -echo "mig-cont on chassis-1 => cont2 on chassis-2"
> -M_NS_CHECK_EXEC([ovn-chassis-1], [migrator], [ping -q -c 3 -i 0.3 -w 2
> 20.0.0.4 | FORMAT_PING], \
> -[0], [stdout])
> -
> -# VM still running on chassis-1 but flows should have been deleted....
> -AT_CHECK([cat stdout | grep -c "100% packet loss"], [0],[dnl
> -1
> -])
> -
> -echo "mig-cont on chassis-3 => cont2 on chassis-2"
> -M_NS_CHECK_EXEC([ovn-chassis-3], [migrator], [ping -q -c 3 -i 0.3 -w 2
> 20.0.0.4 | FORMAT_PING], \
> -[0], [dnl
> -3 packets transmitted, 3 received, 0% packet loss, time 0ms
> -])
> -
> -# We should not have duplicates anymore
> -echo "cont2 on chassis-2 => mig-cont on chassis-3"
> -M_NS_CHECK_EXEC([ovn-chassis-2], [sw0p2], [ping -q -c 3 -i 0.3 -w 2
> 20.0.0.3 | FORMAT_PING], \
> -[0], [dnl
> -3 packets transmitted, 3 received, 0% packet loss, time 0ms
> -])
> +check_ping mig-cont ovn-chassis-1 cont2 "lost"
> +check_ping mig-cont ovn-chassis-3 cont2
> +check_ping cont2 ovn-chassis-2 mig-cont
>
>  m_as ovn-chassis-1 killall tcpdump
>  m_as ovn-chassis-2 killall tcpdump
> --
> 2.47.1
>
> _______________________________________________
> dev mailing list
> [email protected]
> https://mail.openvswitch.org/mailman/listinfo/ovs-dev
>
>
Other than that it looks good, thanks.

Acked-by: Ales Musil <[email protected]>
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