Add qos traffic generation using ping. Scripts, marking list, cron job.

roles/qos/files/dscp.list

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roles/qos/files/qostraf.sh

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+#!/bin/bash
+while read -r line
+do
+	[[ -n "$line" ]] && ping -c 10 -Q $line {{ hostvars[groups['sipserver'][0]].ansible_host }}  >/dev/null
+done < /home/pi/scripts/dscp.list
+