v-list-database-host

#!/bin/bash
# info: list database server
# options: TYPE HOST [FORMAT]
#
# The function for obtaining database server parameters.


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

# Argument defenition
type=$1
host=$2
format=${3-shell}

# Includes
source $VESTA/func/main.sh

# Json function
json_list_dbhost() {
    i=1
    fields_count=$(echo "$fields" | wc -w)
    line=$(grep "HOST='$host'" $conf)
    echo '{'
    eval $line
    for field in $fields; do
        eval value=$field
        if [ "$i" -eq 1 ]; then
            echo -e "\t\"$value\": {"
        else
            if [ "$fields_count" -eq "$i" ]; then
                echo -e "\t\t\"${field//$/}\": \"${value//,/, }\""
            else
                echo -e "\t\t\"${field//$/}\": \"${value//,/, }\","
            fi
        fi
        (( ++i))
    done
    if [ -n "$value" ]; then
        echo -e "\t}"
    fi
    echo -e "}"
}

# Shell function
shell_list_dbhost() {
    line=$(grep "HOST='$host'" $conf)
    eval $line
    for field in $fields; do
        eval key="$field"
        echo "${field//$/}: $key"
    done
}


#----------------------------------------------------------#
#                    Verifications                         #
#----------------------------------------------------------#

check_args '2' "$#" 'TYPE HOST [FORMAT]'
validate_format 'host'
is_object_valid "../../conf/$type" 'HOST' "$host"


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

# Defining fileds to select
conf=$VESTA/conf/$type.conf
fields='$HOST $CHARSETS $MAX_DB $U_SYS_USERS $U_DB_BASES $TPL $SUSPENDED'
fields="$fields \$TIME \$DATE"

# Listing database
case $format in 
    json)   json_list_dbhost ;;
    plain)  nohead=1; shell_list_dbhost ;;
    shell)  shell_list_dbhost | column -t;;
    *)      check_args '2' '0' 'TYPE HOST [FORMAT]'
esac


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

exit