[COMMON] Fix some bashisms

pointed out by checkbashisms:
- variable name HOSTNAME
- source instead of .
- sleep with suffix
- string increments

And migrate a few shebangs to /bin/sh

Issue-ID: OOM-2643
Signed-off-by: Guillaume Lambert <guillaume.lambert@orange.com>
Change-Id: I653c14454a3232b5a349ca1564ece53ddc94289d
diff --git a/kubernetes/helm/plugins/deploy/deploy.sh b/kubernetes/helm/plugins/deploy/deploy.sh
index ce8e802..4fec398 100755
--- a/kubernetes/helm/plugins/deploy/deploy.sh
+++ b/kubernetes/helm/plugins/deploy/deploy.sh
@@ -251,7 +251,7 @@
       fi
 	  if [ "$DELAY" = "true" ]; then
 		echo sleep 3m
-		sleep 3m
+		sleep 180
 	  fi
     else
       array=($(echo "$ALL_HELM_RELEASES" | grep "${RELEASE}-${subchart}"))
diff --git a/kubernetes/helm/plugins/undeploy/undeploy.sh b/kubernetes/helm/plugins/undeploy/undeploy.sh
index 790f84f..35fc4ca 100755
--- a/kubernetes/helm/plugins/undeploy/undeploy.sh
+++ b/kubernetes/helm/plugins/undeploy/undeploy.sh
@@ -49,4 +49,4 @@
     ;;
 esac
 
-exit 0
\ No newline at end of file
+exit 0
diff --git a/kubernetes/robot/demo-k8s.sh b/kubernetes/robot/demo-k8s.sh
index 099f80c..5e4e216 100755
--- a/kubernetes/robot/demo-k8s.sh
+++ b/kubernetes/robot/demo-k8s.sh
@@ -222,7 +222,7 @@
 
 if [ $execscript ]; then
    for script in $(ls -1 "$DIR/$SCRIPTDIR"); do
-      [ -f "$DIR/$SCRIPTDIR/$script" ] && [ -x "$DIR/$SCRIPTDIR/$script" ] && source "$DIR/$SCRIPTDIR/$script"
+      [ -f "$DIR/$SCRIPTDIR/$script" ] && [ -x "$DIR/$SCRIPTDIR/$script" ] && . "$DIR/$SCRIPTDIR/$script"
    done
 fi
 
diff --git a/kubernetes/robot/ete-k8s.sh b/kubernetes/robot/ete-k8s.sh
index 15d07fb..01cf092 100755
--- a/kubernetes/robot/ete-k8s.sh
+++ b/kubernetes/robot/ete-k8s.sh
@@ -78,7 +78,7 @@
 
 if [ "${!#}" = "execscript" ]; then
    for script in $(ls -1 "$DIR/$SCRIPTDIR"); do
-      [ -f "$DIR/$SCRIPTDIR/$script" ] && [ -x "$DIR/$SCRIPTDIR/$script" ] && source "$DIR/$SCRIPTDIR/$script"
+      [ -f "$DIR/$SCRIPTDIR/$script" ] && [ -x "$DIR/$SCRIPTDIR/$script" ] && . "$DIR/$SCRIPTDIR/$script"
    done
 fi
 
diff --git a/kubernetes/robot/eteHelm-k8s.sh b/kubernetes/robot/eteHelm-k8s.sh
index d5e2fa4..8b74da7 100755
--- a/kubernetes/robot/eteHelm-k8s.sh
+++ b/kubernetes/robot/eteHelm-k8s.sh
@@ -46,7 +46,7 @@
 
 if [ "${!#}" = "execscript" ]; then
    for script in $(ls -1 "$DIR/$SCRIPTDIR"); do
-      [ -f "$DIR/$SCRIPTDIR/$script" ] && [ -x "$DIR/$SCRIPTDIR/$script" ] && source "$DIR/$SCRIPTDIR/$script"
+      [ -f "$DIR/$SCRIPTDIR/$script" ] && [ -x "$DIR/$SCRIPTDIR/$script" ] && . "$DIR/$SCRIPTDIR/$script"
    done
 fi
 
diff --git a/kubernetes/sdnc/components/sdnc-prom/resources/bin/ensureSdncActive.sh b/kubernetes/sdnc/components/sdnc-prom/resources/bin/ensureSdncActive.sh
index feb6662..099103c 100755
--- a/kubernetes/sdnc/components/sdnc-prom/resources/bin/ensureSdncActive.sh
+++ b/kubernetes/sdnc/components/sdnc-prom/resources/bin/ensureSdncActive.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
-{{/*
 
+{{/*
 # Copyright © 2018 Amdocs
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/kubernetes/sdnc/components/sdnc-prom/resources/bin/ensureSdncStandby.sh b/kubernetes/sdnc/components/sdnc-prom/resources/bin/ensureSdncStandby.sh
index 9485833..05a1701 100755
--- a/kubernetes/sdnc/components/sdnc-prom/resources/bin/ensureSdncStandby.sh
+++ b/kubernetes/sdnc/components/sdnc-prom/resources/bin/ensureSdncStandby.sh
@@ -1,6 +1,6 @@
-#!/bin/bash
-{{/*
+#!/bin/sh
 
+{{/*
 # Copyright © 2018 Amdocs
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/kubernetes/sdnc/resources/geo/bin/switchVoting.sh b/kubernetes/sdnc/resources/geo/bin/switchVoting.sh
index 65b7626..a276854 100755
--- a/kubernetes/sdnc/resources/geo/bin/switchVoting.sh
+++ b/kubernetes/sdnc/resources/geo/bin/switchVoting.sh
@@ -1,6 +1,6 @@
-#!/bin/bash
-{{/*
+#!/bin/sh
 
+{{/*
 # Copyright © 2018 Amdocs
 #
 # Licensed under the Apache License, Version 2.0 (the "License");