List the OVS bridge mappings associating 'localnet' networks to bridges on OpenShift Virtualization

View OVS Bridge Mappings

# connect to OVN Northbound DB https://gist.github.com/dlbewley/b4d4c85931e7a9c03caf56db1a1a0d2e
$ ovncli.sh

# find local chassis id
sh-5.1# ovn-sbctl find chassis other_config:is-remote="false"
_uuid               : a0aad588-f850-4601-b4dc-63199440ab58
encaps              : [fcbeb3fc-d810-49db-ae6c-f043e3441d25]
external_ids        : {}
hostname            : hub-tq2sk-cnv-xcxw2
name                : "f57f0c4e-5d93-4639-a016-7cea61281c04"
nb_cfg              : 0
other_config        : {ct-no-masked-label="true", datapath-type=system, fdb-timestamp="true", iface-types="bareudp,erspan,geneve,gre,gtpu,internal,ip6erspan,ip6gre,lisp,patch,stt,system,tap,vxlan", is-interconn="true", is-remote="false", ls-dpg-column="true", mac-binding-timestamp="true", ovn-bridge-mappings="physnet:br-ex,vlan-1924:br-vmdata,vlan-1926:br-vmdata", ovn-chassis-mac-mappings="", ovn-cms-options="", ovn-ct-lb-related="true", ovn-enable-lflow-cache="true", ovn-limit-lflow-cache="", ovn-memlimit-lflow-cache-kb="1048576", ovn-monitor-all="true", ovn-trim-limit-lflow-cache="", ovn-trim-timeout-ms="", ovn-trim-wmark-perc-lflow-cache="", port-up-notif="true"}
transport_zones     : []
vtep_logical_switches: []

# view bridge mappings for local chassis
sh-5.1# ovn-sbctl get chassis f57f0c4e-5d93-4639-a016-7cea61281c04 other_config:ovn-bridge-mappings
"physnet:br-ex,vlan-1924:br-vmdata,vlan-1926:br-vmdata"


# alternativly ssh to the node and view 'external_ids' (thanks chrisj)
[root@hub-tq2sk-cnv-k9wjv ~]#  ovs-vsctl list open .
_uuid               : 9ba7b144-6826-4070-8173-a5d721290de0
bridges             : [0193bdfe-034a-4ee8-8992-8ed31ef363e3, 1c598241-0af1-4ddb-92fd-82f0bcae5ca8, a6b576b3-c71d-42eb-870d-d36dc7135694]
cur_cfg             : 366
datapath_types      : [netdev, system]
datapaths           : {system=ad4062aa-40e9-4751-af8e-bd6b77c69af1}
db_version          : "8.3.1"
dpdk_initialized    : false
dpdk_version        : "DPDK 22.11.4"
external_ids        : {hostname=hub-tq2sk-cnv-k9wjv, ovn-bridge-mappings="physnet:br-ex,vlan-1924:br-vmdata,vlan-1926:br-vmdata", ovn-enable-lflow-cache="true", ovn-encap-ip="192.168.4.62", ovn-encap-type=geneve, ovn-is-interconn="true", ovn-memlimit-lflow-cache-kb="1048576", ovn-monitor-all="true", ovn-ofctrl-wait-before-clear="0", ovn-openflow-probe-interval="180", ovn-remote="unix:/var/run/ovn/ovnsb_db.sock", ovn-remote-probe-interval="180000", rundir="/var/run/openvswitch", system-id="df818bf3-c8a5-4007-ac5e-1fa0efaac0ed"}
iface_types         : [bareudp, erspan, geneve, gre, gtpu, internal, ip6erspan, ip6gre, lisp, patch, stt, system, tap, vxlan]
manager_options     : []
next_cfg            : 366
other_config        : {bundle-idle-timeout="180", ovn-chassis-idx-df818bf3-c8a5-4007-ac5e-1fa0efaac0ed="", vlan-limit="0"}
ovs_version         : "3.1.5"
ssl                 : []
statistics          : {}
system_type         : rhcos
system_version      : "4.15"

ovncli.sh is here https://gist.github.com/dlbewley/b4d4c85931e7a9c03caf56db1a1a0d2e