Worked without any functions

unic_connect.sh

+#!/bin/bash
+########################################################### 
+# AUTHOR  : Rinat K. Nugaev - http://www.nugaev.net - support@nugaev.net
+# DATE    : 19-07-2017
+# EDITED  : 19-07-2017 
+# COMMENT : This script creates tunnels for Unicredit servers in DMZ
+#           Use it for your own risk! 
+# VERSION : 0.2 
+########################################################### 
+
+user=""
+#Defining some colours for fun )))
+RED='\033[0;31m'
+NC='\033[0m'
+GREEN='\033[0;33m'
+#Starting ssh-agent
+eval `ssh-agent -s`
+#Adding keys to ssh-agent
+ssh-add
+
+#Ask user for username
+if [ -z "$user"] ; then
+    echo "Username not defined in script, asking for username!"
+    read -p "Enter your username like PertrovPP:" user
+else
+   echo "Username defined! Trying to connect..."
+fi 
+#Declaring array of tunnels
+declare -A tunnels
+
+tunnels+=( ["iv176"]="ssh -f -N -o ExitOnForwardFailure=yes -p 10022 -L 5555:iv176.rbtechnologies.ru:3389 $user@tunnel01.rbtechnologies.ru" ["ks262"]="ssh -f -N -o ExitOnForwardFailure=yes -p 10022 -L 5556:ks261.rbtechnologies.ru:3389 $user@tunnel01.rbtechnologies.ru" ["vs1027"]="ssh -f -N -o ExitOnForwardFailure=yes -p 10022 -L 5557:vs1027.rbtechnologies.ru:3389 $user@tunnel01.rbtechnologies.ru" )
+
+#Connecting...
+for conn in "${!tunnels[@]}"; do
+if ${tunnels[$conn]} ; then
+    echo -e  "${GREEN}Tunnel to the DMZ host $conn succesufully created!${NC}"
+else
+    echo -e "${RED}Tunnel creation to the $conn FAIL (((${NC}"
+fi
+done
+
+exit 0
+