[COMMON] Fix & add to bashisms CI failover scripts

Issue-ID: OOM-2643
Signed-off-by: guillaume.lambert <guillaume.lambert@orange.com>
Change-Id: Icf139e50d44aed0315d0e4cb21c59ad05a5a3bdb
diff --git a/kubernetes/sdnc/components/sdnc-prom/resources/bin/sdnc.failover b/kubernetes/sdnc/components/sdnc-prom/resources/bin/sdnc.failover
index d9133e8..1a74c1e 100755
--- a/kubernetes/sdnc/components/sdnc-prom/resources/bin/sdnc.failover
+++ b/kubernetes/sdnc/components/sdnc-prom/resources/bin/sdnc.failover
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 {{/*
 
 # Copyright © 2018 Amdocs
@@ -30,7 +30,7 @@
 APP_BIN=/app/bin
 
 debugLog(){
-  if [ "$enableDebugLogging" == true ]; then
+  if [ "$enableDebugLogging" = true ]; then
      if [ $# -eq 0 ]; then
        echo "" >> $LOGFILE
      else
@@ -41,7 +41,7 @@
 
 EXC_SIMPLE_FAILOVER=`${APP_BIN}/switchVoting.sh`
 
-if [ "$EXC_SIMPLE_FAILOVER" == "success" ]; then
+if [ "$EXC_SIMPLE_FAILOVER" = "success" ]; then
    debugLog "Simple failover success. SDNC failover completed."
 else
    # Simple failover failed. Trying catastrophic failover ...