On Thu, May 1, 2025 at 11:21 AM Numan Siddique <num...@ovn.org> wrote:
>
> On Wed, Apr 30, 2025 at 5:07 PM <num...@ovn.org> wrote:
> >
> > From: Numan Siddique <num...@ovn.org>
> >
> > This commit adds a new nb_global option "enable_chassis_nb_cfg_update"
> > (with the default value true) and if this is set to false, ovn-controller
> > will no longer update the nb_cfg in its chassis_private record. It
> > would still update the external_ids:ovn-nb-cfg in the local OVS
> > integration bridge.
> >
> > This option will be useful for large scaled deployments which wants
> > to ensure and monitor that southbound db changes are handled by
> > ovn-controllers and yet don't want ovn-controllers to update their
> > chassis private records.
> >
> > Signed-off-by: Numan Siddique <num...@ovn.org>
>
> Recheck-request: github-robot-_Build_and_Test
Recheck-request: github-robot-_ovn-kubernetes
>
> > ---
> >
> > v1 -> v2
> > ----
> > - Addressed Mark's comments and changed the option name from
> > disable_chassis_nb_cfg_update to enable_chassis_nb_cfg_update.
> >
> > controller/ovn-controller.c | 29 ++++++++++++++++++++++++++---
> > ovn-nb.xml | 12 ++++++++++++
> > ovn-sb.xml | 11 +++++++++++
> > tests/ovn-controller.at | 31 +++++++++++++++++++++++++++++++
> > 4 files changed, 80 insertions(+), 3 deletions(-)
> >
> > diff --git a/controller/ovn-controller.c b/controller/ovn-controller.c
> > index 37406f9235..f503f32a7c 100644
> > --- a/controller/ovn-controller.c
> > +++ b/controller/ovn-controller.c
> > @@ -827,7 +827,8 @@ static void
> > store_nb_cfg(struct ovsdb_idl_txn *sb_txn, struct ovsdb_idl_txn *ovs_txn,
> > const struct sbrec_chassis_private *chassis,
> > const struct ovsrec_bridge *br_int,
> > - unsigned int delay_nb_cfg_report)
> > + unsigned int delay_nb_cfg_report,
> > + bool enable_ch_nb_cfg_update)
> > {
> > struct ofctrl_acked_seqnos *acked_nb_cfg_seqnos =
> > ofctrl_acked_seqnos_get(ofctrl_seq_type_nb_cfg);
> > @@ -849,7 +850,8 @@ store_nb_cfg(struct ovsdb_idl_txn *sb_txn, struct
> > ovsdb_idl_txn *ovs_txn,
> >
> > long long ts_now = time_wall_msec();
> >
> > - if (sb_txn && chassis && cur_cfg != chassis->nb_cfg) {
> > + if (sb_txn && chassis && cur_cfg != chassis->nb_cfg
> > + && enable_ch_nb_cfg_update) {
> > sbrec_chassis_private_set_nb_cfg(chassis, cur_cfg);
> > sbrec_chassis_private_set_nb_cfg_timestamp(chassis, ts_now);
> >
> > @@ -3560,6 +3562,7 @@ struct ed_type_northd_options {
> > * be tunnelled or sent via the localnet
> > * port. Default value is 'false'. */
> > bool register_consolidation;
> > + bool enable_ch_nb_cfg_update;
> > };
> >
> >
> > @@ -3603,6 +3606,12 @@ en_northd_options_run(struct engine_node *node, void
> > *data)
> > false)
> > : false;
> >
> > + n_opts->enable_ch_nb_cfg_update =
> > + sb_global
> > + ? smap_get_bool(&sb_global->options,
> > "enable_chassis_nb_cfg_update",
> > + true)
> > + : true;
> > +
> > engine_set_node_state(node, EN_UPDATED);
> > }
> >
> > @@ -3648,6 +3657,17 @@ en_northd_options_sb_sb_global_handler(struct
> > engine_node *node, void *data)
> > engine_set_node_state(node, EN_UPDATED);
> > }
> >
> > + bool enable_ch_nb_cfg_update =
> > + sb_global
> > + ? smap_get_bool(&sb_global->options,
> > "enable_chassis_nb_cfg_update",
> > + true)
> > + : true;
> > +
> > + if (enable_ch_nb_cfg_update != n_opts->enable_ch_nb_cfg_update) {
> > + n_opts->enable_ch_nb_cfg_update = enable_ch_nb_cfg_update;
> > + engine_set_node_state(node, EN_UPDATED);
> > + }
> > +
> > return true;
> > }
> >
> > @@ -6462,8 +6482,11 @@ main(int argc, char *argv[])
> > engine_clear_force_recompute();
> > }
> >
> > + struct ed_type_northd_options *n_opts =
> > + engine_get_data(&en_northd_options);
> > store_nb_cfg(ovnsb_idl_txn, ovs_idl_txn, chassis_private,
> > - br_int, delay_nb_cfg_report);
> > + br_int, delay_nb_cfg_report,
> > + n_opts ? n_opts->enable_ch_nb_cfg_update : true);
> >
> > if (pending_pkt.conn) {
> > struct ed_type_addr_sets *as_data =
> > diff --git a/ovn-nb.xml b/ovn-nb.xml
> > index 17346f2284..ebbf0b42a6 100644
> > --- a/ovn-nb.xml
> > +++ b/ovn-nb.xml
> > @@ -429,6 +429,18 @@
> > </p>
> > </column>
> >
> > + <column name="options" key="enable_chassis_nb_cfg_update">
> > + <p>
> > + If set to <code>false</code>, ovn-controllers will no longer
> > update
> > + the <ref column="nb_cfg" table="Chassis_Private"
> > db="OVN_Southbound"/>
> > + column in the <ref table="Chassis_Private" db="OVN_Southbound"/>
> > + table of the <ref db="OVN_Southbound"/> database. They will
> > still
> > + update the <code>external_ids:ovn-nb-cfg</code> in the local
> > + OVS integration bridge. By defailt this option is set to
> > + <code>true</code>.
> > + </p>
> > + </column>
> > +
> > <group title="Options for configuring interconnection route
> > advertisement">
> > <p>
> > These options control how routes are advertised between OVN
> > diff --git a/ovn-sb.xml b/ovn-sb.xml
> > index 9777cc64ad..c4c9fe2d02 100644
> > --- a/ovn-sb.xml
> > +++ b/ovn-sb.xml
> > @@ -173,6 +173,17 @@
> > options are described individually below.
> > </column>
> >
> > + <column name="options" key="enable_chassis_nb_cfg_update">
> > + <p>
> > + If set to <code>false</code>, ovn-controller will no longer
> > update the
> > + <ref column="nb_cfg" table="Chassis_Private"
> > db="OVN_Southbound"/>
> > + column in the <ref table="Chassis_Private" db="OVN_Southbound"/>
> > + table of the <ref db="OVN_Southbound"/> database. It will still
> > + update the <code>external_ids:ovn-nb-cfg</code> in the local
> > + OVS integration bridge.
> > + </p>
> > + </column>
> > +
> > <group title="Options for configuring BFD">
> > <p>
> > These options apply when <code>ovn-controller</code> configures
> > diff --git a/tests/ovn-controller.at b/tests/ovn-controller.at
> > index fdd574c206..a878a440b6 100644
> > --- a/tests/ovn-controller.at
> > +++ b/tests/ovn-controller.at
> > @@ -3813,3 +3813,34 @@ start_controller
> >
> > OVN_CLEANUP([hv1])
> > AT_CLEANUP
> > +
> > +AT_SETUP([ovn-cntroller options:enable_chassis_nb_cfg_update])
> > +ovn_start
> > +
> > +net_add n1
> > +sim_add hv1
> > +as hv1
> > +check ovs-vsctl add-br br-phys
> > +ovn_attach n1 br-phys 192.168.0.11 24 geneve
> > +check ovn-nbctl --wait=hv sync
> > +
> > +check ovn-nbctl set nb_global . nb_cfg=100
> > +wait_column 100 chassis_priv nb_cfg name=hv1
> > +AT_CHECK([as hv1 ovs-vsctl get bridge br-int external_ids:ovn-nb-cfg],
> > [0], ["100"
> > +])
> > +
> > +check ovn-nbctl set nb_global . options:enable_chassis_nb_cfg_update=false
> > +check ovn-nbctl set nb_global . nb_cfg=200
> > +OVS_WAIT_UNTIL([
> > + ovs_nb_cfg=$(as hv1 ovs-vsctl get bridge br-int
> > external_ids:ovn-nb-cfg | sed 's/"//g')
> > + test "$ovs_nb_cfg" = "200"
> > +])
> > +
> > +check_column 100 chassis_priv nb_cfg name=hv1
> > +check ovn-nbctl set nb_global . options:enable_chassis_nb_cfg_update=true
> > +wait_column 200 chassis_priv nb_cfg name=hv1
> > +
> > +check ovn-nbctl --wait=hv sync
> > +
> > +OVN_CLEANUP([hv1])
> > +AT_CLEANUP
> > --
> > 2.49.0
> >
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