Before this patch if one deletes transit switch through which there were routes in ICSB:Route table, such routes were left forever in the DB.
Now we validate that each ICSB:Route has an appropriate transit switch. Signed-off-by: Vladislav Odintsov <odiv...@gmail.com> --- ic/ovn-ic.c | 40 +++++++++++++++++++++++++++ tests/ovn-ic.at | 73 +++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 113 insertions(+) diff --git a/ic/ovn-ic.c b/ic/ovn-ic.c index 50ff65a26..b3790e965 100644 --- a/ic/ovn-ic.c +++ b/ic/ovn-ic.c @@ -71,6 +71,7 @@ struct ic_context { struct ovsdb_idl_index *icsbrec_port_binding_by_az; struct ovsdb_idl_index *icsbrec_port_binding_by_ts; struct ovsdb_idl_index *icsbrec_port_binding_by_ts_az; + struct ovsdb_idl_index *icsbrec_route_by_az; struct ovsdb_idl_index *icsbrec_route_by_ts; struct ovsdb_idl_index *icsbrec_route_by_ts_az; }; @@ -1621,6 +1622,38 @@ advertise_lr_routes(struct ic_context *ctx, hmap_destroy(&routes_ad); } +static void +delete_orphan_ic_routes(struct ic_context *ctx, + const struct icsbrec_availability_zone *az) +{ + const struct icsbrec_route *isb_route, *isb_route_key = + icsbrec_route_index_init_row(ctx->icsbrec_route_by_az); + icsbrec_route_index_set_availability_zone(isb_route_key, az); + + const struct icnbrec_transit_switch *t_sw, *t_sw_key; + + ICSBREC_ROUTE_FOR_EACH_EQUAL (isb_route, isb_route_key, + ctx->icsbrec_route_by_az) + { + t_sw_key = icnbrec_transit_switch_index_init_row( + ctx->icnbrec_transit_switch_by_name); + icnbrec_transit_switch_index_set_name(t_sw_key, + isb_route->transit_switch); + t_sw = icnbrec_transit_switch_index_find( + ctx->icnbrec_transit_switch_by_name, t_sw_key); + icnbrec_transit_switch_index_destroy_row(t_sw_key); + + if (!t_sw) { + VLOG_WARN("Deleting orphan ICDB:Route: %s->%s (%s, rtb:%s, " + "transit switch: %s)", isb_route->ip_prefix, + isb_route->nexthop, isb_route->origin, + isb_route->route_table, isb_route->transit_switch); + icsbrec_route_delete(isb_route); + } + } + icsbrec_route_index_destroy_row(isb_route_key); +} + static void route_run(struct ic_context *ctx, const struct icsbrec_availability_zone *az) @@ -1629,6 +1662,8 @@ route_run(struct ic_context *ctx, return; } + delete_orphan_ic_routes(ctx, az); + struct hmap ic_lrs = HMAP_INITIALIZER(&ic_lrs); const struct icsbrec_port_binding *isb_pb; const struct icsbrec_port_binding *isb_pb_key = @@ -1917,6 +1952,10 @@ main(int argc, char *argv[]) &icsbrec_port_binding_col_transit_switch, &icsbrec_port_binding_col_availability_zone); + struct ovsdb_idl_index *icsbrec_route_by_az + = ovsdb_idl_index_create1(ovnisb_idl_loop.idl, + &icsbrec_route_col_availability_zone); + struct ovsdb_idl_index *icsbrec_route_by_ts = ovsdb_idl_index_create1(ovnisb_idl_loop.idl, &icsbrec_route_col_transit_switch); @@ -1971,6 +2010,7 @@ main(int argc, char *argv[]) .icsbrec_port_binding_by_az = icsbrec_port_binding_by_az, .icsbrec_port_binding_by_ts = icsbrec_port_binding_by_ts, .icsbrec_port_binding_by_ts_az = icsbrec_port_binding_by_ts_az, + .icsbrec_route_by_az = icsbrec_route_by_az, .icsbrec_route_by_ts = icsbrec_route_by_ts, .icsbrec_route_by_ts_az = icsbrec_route_by_ts_az, }; diff --git a/tests/ovn-ic.at b/tests/ovn-ic.at index 0bdfc55e6..e234b7fb9 100644 --- a/tests/ovn-ic.at +++ b/tests/ovn-ic.at @@ -121,6 +121,79 @@ OVN_CLEANUP_IC AT_CLEANUP ]) +OVN_FOR_EACH_NORTHD([ +AT_SETUP([ovn-ic -- route deletion upon TS deletion]) + +ovn_init_ic_db +net_add n1 + +# 1 GW per AZ +for i in 1 2; do + az=az$i + ovn_start $az + sim_add gw-$az + as gw-$az + check ovs-vsctl add-br br-phys + ovn_az_attach $az n1 br-phys 192.168.1.$i + check ovs-vsctl set open . external-ids:ovn-is-interconn=true + check ovn-nbctl set nb-global . \ + options:ic-route-adv=true \ + options:ic-route-adv-default=true \ + options:ic-route-learn=true \ + options:ic-route-learn-default=true +done + +create_ic_infra() { + az_id=$1 + ts_id=$2 + az=az$i + + lsp=lsp${az_id}-${ts_id} + lrp=lrp${az_id}-${ts_id} + ts=ts${az_id}-${ts_id} + lr=lr${az_id}-${ts_id} + + ovn_as $az + + check ovn-ic-nbctl ts-add $ts + check ovn-nbctl lr-add $lr + check ovn-nbctl lrp-add $lr $lrp 00:00:00:00:00:0$az_id 10.0.$az_id.1/24 + check ovn-nbctl lrp-set-gateway-chassis $lrp gw-$az + + check ovn-nbctl lsp-add $ts $lsp -- \ + lsp-set-addresses $lsp router -- \ + lsp-set-type $lsp router -- \ + lsp-set-options $lsp router-port=$lrp + + check ovn-nbctl lr-route-add $lr 192.168.0.0/16 10.0.$az_id.10 +} + +create_ic_infra 1 1 +create_ic_infra 1 2 +create_ic_infra 2 1 + +ovn_as az1 + +wait_row_count ic-sb:Route 3 ip_prefix=192.168.0.0/16 + +# remove transit switch 1 (from az1) and check if its route is deleted +# same route from another AZ and ts should remain, as +check ovn-ic-nbctl ts-del ts1-1 +sleep 2 +ovn-ic-sbctl list route +ovn-ic-nbctl list transit_switch +wait_row_count ic-sb:route 2 ip_prefix=192.168.0.0/16 +ovn-ic-sbctl list route + +for i in 1 2; do + az=az$i + OVN_CLEANUP_SBOX(gw-$az) + OVN_CLEANUP_AZ([$az]) +done +OVN_CLEANUP_IC +AT_CLEANUP +]) + OVN_FOR_EACH_NORTHD([ AT_SETUP([ovn-ic -- gateway sync]) -- 2.36.1 _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev