Fix OVN system-id check

Change-Id: I8a161893fb84b32f550a99d139f7a57c98b21c12

ovn/Chart.yaml

@@ -15,7 +15,7 @@ apiVersion: v1
 appVersion: v23.3.0
 description: OpenStack-Helm OVN
 name: ovn
-version: 0.1.2
+version: 0.1.3
 home: https://www.ovn.org
 icon: https://www.ovn.org/images/ovn-logo.png
 sources:

ovn/templates/bin/_ovn.sh.tpl

@@ -970,8 +970,8 @@ ovn-master() {
 }
 
 add-external-id-configs() {
-  ovs-vsctl get open . external-ids:system-id
-  if [ $? -eq 1 ]; then
+  ovs-vsctl get open . external-ids:system-id 2>&1 | grep -q "no key"
+  if [ $? -eq 0 ]; then
     ovs-vsctl set open . external-ids:system-id="$(uuidgen)"
   fi
 

releasenotes/notes/ovn.yaml

@@ -3,4 +3,5 @@ ovn:
   - 0.1.0 Add OVN!
   - 0.1.1 Fix ovn db persistence issue
   - 0.1.2 Add bridge-mapping configuration
+  - 0.1.3 Fix system-id reuse
 ...