#!/bin/bash
# info: list mysql config parameters
# options: [FORMAT]
#
# The function for obtaining the list of mysql config parameters.


#----------------------------------------------------------#
#                    Variable&Function                     #
#----------------------------------------------------------#

# Argument definition
format=${1-shell}

# Includes
source $VESTA/func/main.sh
source $VESTA/conf/vesta.conf

# JSON list function
json_list() {
    eval $(echo "$config"|egrep "$keys"|\
        sed -e "s/[ ]*=/=/" -e "s/=[ ]*/=\'/" -e "s/$/'/")
    echo '{
    "CONFIG": {
        "max_user_connections": "'$max_user_connections'",
        "max_connections": "'$max_connections'",
        "wait_timeout": "'$wait_timeout'",
        "interactive_timeout": "'$interactive_timeout'",
        "max_allowed_packet": "'$max_allowed_packet'",
        "config_path": "'$config_path'"
        }
}'
}

# SHELL list function
shell_list() {
    echo "$config" |egrep "$keys" |tr '=' ' '
    echo "config_path $config_path"
}

# PLAIN list function
plain_list() {
    echo "$config" |egrep "$keys" |tr '=' ' '
    echo "config_path $config_path"
}

# CSV list function
csv_list() {
    echo "$keys" |sed "s/|/,/g"
    echo "$config" |egrep "$keys" |tr '=' ' ' |awk '{print $2}' |tr '\n' ','
    echo
}


#----------------------------------------------------------#
#                       Action                             #
#----------------------------------------------------------#

# Defining config path
config_path=$(find /etc/my* -name my.cnf)

# Defining keys
keys="max_user_connections|max_connections|wait_timeout|interactive_timeout"
keys="${keys}|max_allowed_packet"

# Reading config
config=$(cat $config_path|grep -v "^;")

# Listing data
case $format in
    json)   json_list ;;
    plain)  plain_list ;;
    csv)    csv_list ;;
    shell)  shell_list |column -t;;
esac


#----------------------------------------------------------#
#                       Vesta                              #
#----------------------------------------------------------#

exit
