From 7c7d7eb7dd663348ba7d3f4c4ec72221d16ce9bc Mon Sep 17 00:00:00 2001
From: bk160f <bk160f@att.com>
Date: Wed, 19 Dec 2018 02:50:49 -0600
Subject: [PATCH] ReadinessProbe for OVS-DB Pod

This implementation is to add readiness probe to ovs-db pod.
The goal is to check if the db.sock is connected by executing ovs-vsctl
command to list the Open_vswitch configuration table.

Change-Id: Idd4382d95d07ffff94a30bcb7ac132b88e9d6de1
---
 openvswitch/templates/daemonset-ovs-db.yaml | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/openvswitch/templates/daemonset-ovs-db.yaml b/openvswitch/templates/daemonset-ovs-db.yaml
index e06db37b1..653b5b93b 100644
--- a/openvswitch/templates/daemonset-ovs-db.yaml
+++ b/openvswitch/templates/daemonset-ovs-db.yaml
@@ -52,6 +52,15 @@ spec:
         - name: openvswitch-db
 {{ tuple $envAll "openvswitch_db_server" | include "helm-toolkit.snippets.image" | indent 10 }}
 {{ tuple $envAll $envAll.Values.pod.resources.ovs.db | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
+          readinessProbe:
+            exec:
+              command:
+                - /usr/bin/ovs-vsctl
+                - list
+                - Open_Vswitch
+            initialDelaySeconds: 90
+            periodSeconds: 30
+            timeoutSeconds: 5
           securityContext:
             runAsUser: 0
           livenessProbe: