#!/bin/bash

# argument 1 is the host
# argument 2 is the port
# argument 3 is the database service's name

for i in {1..20}
do
    if mysqladmin -h "$1" -P "$2" -u root --default-character-set utf8 ping > /dev/null 2>&1
    then
        echo "$3 is alive"
        exit 0
    fi

    echo "$3 is not alive, will try again"
    sleep 2
done

echo "$3 is not alive"
exit 2