Pinctrl is responsible of creating MAC_Bindings on peer router datapaths. However, when sb was read-only, this did not happen. This caused the test "neighbor update on same HV" to fail in a flaky way.
Signed-off-by: Xavier Simonart <[email protected]> --- v2: - Fix userspace tests - Replace iptables by nftables based on Ales's feedback. - Move stop/restart_ovsdb_controller_updates to ovn-macros. - Rebase on origin/main. --- controller/pinctrl.c | 2 +- tests/system-ovn.at | 114 +++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 115 insertions(+), 1 deletion(-) diff --git a/controller/pinctrl.c b/controller/pinctrl.c index 2d3595cd2..f75b04696 100644 --- a/controller/pinctrl.c +++ b/controller/pinctrl.c @@ -4711,7 +4711,7 @@ send_garp_rarp_update(struct ovsdb_idl_txn *ovnsb_idl_txn, garp_rarp->announce_time = time_msec() + 1000; garp_rarp->backoff = 1000; /* msec. */ } - } else { + } else if (ovnsb_idl_txn) { add_garp_rarp(name, laddrs->ea, laddrs->ipv4_addrs[i].addr, binding_rec->datapath->tunnel_key, diff --git a/tests/system-ovn.at b/tests/system-ovn.at index 54d913c0b..26bb331b6 100644 --- a/tests/system-ovn.at +++ b/tests/system-ovn.at @@ -12208,3 +12208,117 @@ OVS_TRAFFIC_VSWITCHD_STOP(["/failed to query port patch-.*/d /connection dropped.*/d"]) AT_CLEANUP ]) + +OVN_FOR_EACH_NORTHD([ +AT_SETUP([MAC_Bindings updates on read-only sb]) +ovn_start --use-tcp-to-sb +OVS_TRAFFIC_VSWITCHD_START() +ADD_BR([br-int]) + +PARSE_LISTENING_PORT([$ovs_base/ovn-sb/ovsdb-server.log], [TCP_PORT]) + +# Use tcp to connect to sb +ovs-vsctl \ + -- set Open_vSwitch . external-ids:system-id=hv1 \ + -- set Open_vSwitch . external-ids:ovn-remote=tcp:127.0.0.1:$TCP_PORT \ + -- set Open_vSwitch . external-ids:ovn-encap-type=geneve \ + -- set Open_vSwitch . external-ids:ovn-encap-ip=169.0.0.1 \ + -- set bridge br-int fail-mode=secure other-config:disable-in-band=true + +# Start ovn-controller +start_daemon ovn-controller + +# Logical network: +# A public switch (pub) with a localnet port connected to two LRs (lr0 and lr1) +# each with a distributed gateway port. +# Two VMs: lp0 on sw0 connected to lr0 +# lp1 on sw1 connected to lr1 +# +# This test adds a floating IP on one VM and checks the MAC_Binding entries to be updated properly. + +# Create logical switches +check ovn-nbctl ls-add sw0 +check ovn-nbctl ls-add sw1 +check ovn-nbctl ls-add pub + +# Created localnet port on public switch +check ovn-nbctl lsp-add pub ln-pub +check ovn-nbctl lsp-set-type ln-pub localnet +check ovn-nbctl lsp-set-addresses ln-pub unknown +check ovn-nbctl lsp-set-options ln-pub network_name=phys + +# Create logical routers and connect them to public switch +AT_CHECK([(ovn-nbctl create Logical_Router name=lr0; + ovn-nbctl create Logical_Router name=lr1) | uuidfilt], [0], [<0> +<1> +]) +check ovn-nbctl lrp-add lr0 lr0-pub f0:00:00:00:00:01 172.24.4.220/24 +check ovn-nbctl lsp-add pub pub-lr0 -- set Logical_Switch_Port pub-lr0 \ + type=router options:router-port=lr0-pub options:nat-addresses="router" addresses="router" +check ovn-nbctl lrp-add lr1 lr1-pub f0:00:00:00:01:01 172.24.4.221/24 +check ovn-nbctl lsp-add pub pub-lr1 -- set Logical_Switch_Port pub-lr1 \ + type=router options:router-port=lr1-pub options:nat-addresses="router" addresses="router" + +check ovn-nbctl lrp-set-gateway-chassis lr0-pub hv1 10 +check ovn-nbctl lrp-set-gateway-chassis lr1-pub hv1 10 + +# Connect sw0 and sw1 to lr0 and lr1 +check ovn-nbctl lrp-add lr0 lr0-sw0 00:00:00:00:ff:01 10.0.0.254/24 +check ovn-nbctl lsp-add sw0 sw0-lr0 -- set Logical_Switch_Port sw0-lr0 type=router \ + options:router-port=lr0-sw0 addresses="router" +check ovn-nbctl lrp-add lr1 lr1-sw1 00:00:00:00:ff:02 20.0.0.254/24 +check ovn-nbctl lsp-add sw1 sw1-lr1 -- set Logical_Switch_Port sw1-lr1 type=router \ + options:router-port=lr1-sw1 addresses="router" + +ADD_BR([br-phys]) +check ovs-vsctl set open . external-ids:ovn-bridge-mappings=phys:br-phys + +check ovs-vsctl add-port br-int vif0 \ + -- set Interface vif0 external-ids:iface-id=lp0 \ + -- set Interface vif0 type=internal + +check ovn-nbctl lsp-add sw0 lp0 +check ovn-nbctl lsp-add sw1 lp1 +check ovn-nbctl lsp-set-addresses lp0 "50:54:00:00:00:01 10.0.0.10" +check ovn-nbctl lsp-set-addresses lp1 "50:54:00:00:00:02 20.0.0.10" + +OVS_WAIT_UNTIL([test x`ovn-nbctl lsp-get-up lp0` = xup]) +ovn-nbctl --wait=hv sync + +# Stopping updates to sb +# By stopping temporarily updates from controller to sb, we are making sb read-only. +# We can't just pause sb to make it read-only, as we expect sb to still handle northd changes. +stop_ovsdb_controller_updates $TCP_PORT + +# Adding lp1 : this will make sb read-only +check ovs-vsctl add-port br-int vif1 \ + -- set Interface vif1 external-ids:iface-id=lp1 \ + -- set Interface vif1 type=internal + +# Make sure ovn-controller handled vif1 addition. So, at this point ovn-controller did try to update sb +OVS_WAIT_UNTIL([test x`ovs-vsctl get Interface vif1 external_ids:ovn-installed` = x'"true"']) + +# Create floating IP. SB should be read-only, so we should be enable to update MAC_Bindings now. +check ovn-nbctl --wait=sb lr-nat-add lr0 dnat_and_snat 172.24.4.100 10.0.0.10 + +# Restarting updates. +restart_ovsdb_controller_updates $TCP_PORT +# Check that the MAC_Binding entries have been properly created as SB is now writable. +wait_row_count MAC_Binding 1 logical_port=lr1-pub ip=172.24.4.100 + +OVS_APP_EXIT_AND_WAIT([ovn-controller]) + +as ovn-sb +OVS_APP_EXIT_AND_WAIT([ovsdb-server]) + +as ovn-nb +OVS_APP_EXIT_AND_WAIT([ovsdb-server]) + +as northd +OVS_APP_EXIT_AND_WAIT([ovn-northd]) + +as +OVS_TRAFFIC_VSWITCHD_STOP(["/failed to query port patch-.*/d +/connection dropped.*/d"]) +AT_CLEANUP +]) -- 2.31.1 _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
