Adding SSL support to eole-redis.

Ubuntu don't build redis with SSL support so we
use Stunnel to fill the gap.

Here we add Stunnel full EOLE integration and Redis specifics.

Maybe later we will want to have a specific package for eole-stunnel.

ref #30338

diagnose/70_stunnel

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+if [ $(CreoleGet activer_stunnel) = "oui" ];then
+    if [ $(CreoleGet stunnel_add_tunnels non ) = "oui" ];then
+        . /usr/lib/eole/diagnose.sh
+
+        EchoGras "*** Service Stunnel"
+        name=($(CreoleGet stunnel_name))
+        acc_ip=($(CreoleGet stunnel_accept_ip))
+        acc_port=($(CreoleGet stunnel_accept_port))
+        conn_ip=($(CreoleGet stunnel_connect_ip))
+        conn_port=($(CreoleGet stunnel_connect_port))
+        
+        len=${#name[@]}
+        for (( i=0; i<$len; i++ ))
+        do 
+            TestService "Tunnel ${name[$i]}: ${acc_ip}:${acc_port} => ${conn_ip}:${conn_port}" ${acc_ip}:${acc_port}
+        done
+        echo
+    fi
+fi
+
+exit 0