Thanks Dumitru.

I agree, that chaning one line in a file doesn’t help much :)
This work should be done at the whole file someday.

Regards,
Vladislav Odintsov

On 1 Feb 2022, at 11:33, Dumitru Ceara 
<[email protected]<mailto:[email protected]>> wrote:

On 1/31/22 18:34, Vladislav Odintsov wrote:
After commit [0] the mandatory vtep chassis's option 'is-vtep' has appeared.
The upgrade scenario for ovn-controller-vtep was not supported:
'is-vtep' option was set only on vtep chassis creation. If chassis was
created prior to a new codebase, it was left intact and HW VTEP connectivity
was broken.
This commit fixes such scenario and now 'is-vtep' is set for vtep chassis
other_config if was not set yet.
This patch also adds a related test.

0: 
https://github.com/ovn-org/ovn/commit/1c360bbd911cab9fadd6df8cd528d992ffa7a998

Fixes: 1c360bbd911c ("Fix basic multicast flows for vxlan (non-vtep) tunnels")
Signed-off-by: Vladislav Odintsov <[email protected]<mailto:[email protected]>>
Acked-by: Dumitru Ceara <[email protected]<mailto:[email protected]>>
---

Thanks for the follow up, still looks good to me!

controller-vtep/gateway.c    | 5 +++++
tests/ovn-controller-vtep.at<http://ovn-controller-vtep.at> | 8 ++++++++
2 files changed, 13 insertions(+)

diff --git a/controller-vtep/gateway.c b/controller-vtep/gateway.c
index 288772dc4..9fbfc0337 100644
--- a/controller-vtep/gateway.c
+++ b/controller-vtep/gateway.c
@@ -22,6 +22,7 @@
#include "lib/util.h"
#include "openvswitch/vlog.h"
#include "lib/ovn-sb-idl.h"
+#include "smap.h"
#include "vtep/vtep-idl.h"
#include "ovn-controller-vtep.h"

@@ -117,6 +118,10 @@ revalidate_gateway(struct controller_vtep_ctx *ctx)
                                                                  "false");
                sbrec_encap_set_options(chassis_rec->encaps[0], &options);
            }
+            if (!smap_get_bool(&chassis_rec->other_config, "is-vtep", false)) {
+                const struct smap oc = SMAP_CONST1(&oc, "is-vtep", "true");
+                sbrec_chassis_set_other_config(chassis_rec, &oc);
+            }
        } else {
            if (gw_node) {
                VLOG_WARN("Chassis for VTEP physical switch (%s) disappears, "
diff --git a/tests/ovn-controller-vtep.at<http://ovn-controller-vtep.at> 
b/tests/ovn-controller-vtep.at<http://ovn-controller-vtep.at>
index b76fa5cef..08e1d13e7 100644
--- a/tests/ovn-controller-vtep.at<http://ovn-controller-vtep.at>
+++ b/tests/ovn-controller-vtep.at<http://ovn-controller-vtep.at>
@@ -102,6 +102,14 @@ Chassis br-vtep
        options: {csum="false"}
])

+# checks is-vtep option is in place, remove, check again
+AT_CHECK([ovn-sbctl get chassis br-vtep other_config:is-vtep], [0], [dnl
+"true"
+])
+
+check ovn-sbctl remove chassis br-vtep other_config is-vtep
+OVS_WAIT_UNTIL([ovn-sbctl get chassis br-vtep other_config:is-vtep])
+

I was tempted to comment to use fetch_column/wait_column here but we
don't do that in most of the 
ovn-controller-vtep.at<http://ovn-controller-vtep.at/> file.  So, I think
it's fine, we might as well be consistent and tackle this change at a
later time.

# deletes the chassis via ovn-sbctl and check that it is readded back
# with the log.
AT_CHECK([ovn-sbctl chassis-del br-vtep])

Regards,
Dumitru

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