NGINX sites manager

nginx_modsite.sh

#!/bin/bash
#
# nginx-modsite
# (c) valera.padolochniy@gmail.com
# This script is released under the MIT License (MIT)
#
# DESCRIPTION
# NGINX sites manager.
#
# INSTALL & USAGE (for Linux)
# 1) Create symlink:
# sudo ln -s ~/dev/scripts/nginx_modsite /usr/local/bin/nginx_modsite
# 2) Add bash alias:
# echo "alias nginx-modsite='sudo /usr/local/bin/nginx_modsite/main.sh'" >> ~/.bash_aliases
# 3) Run for help:
# nginx-modsite -h

# settings

BASE_DIR="$(dirname "$0")"
SITES_AVAILABLE='/etc/nginx/sites-available/'
SITES_ENABLED='/etc/nginx/sites-enabled/'
SITE_NAME=$2

# functions block

fn_help() {
    # displays help information
    echo "usage: nginx_modsite [-h|--help]  [-l|--list] [-e SITE|--enable SITE] [-d SITE|--disable SITE]"
    echo "arguments:"
    echo "  -h | --help           show this help message and exit"
    echo "  -l | --list           show sites list"
    echo "  -e | --enable SITE    enable site"
    echo "  -d | --disbale SITE   disable site"
}

fn_list() {
    # prepares and displays sites list with enabled/disabled marks
    sa=("${SITES_AVAILABLE}*")
    se=("${SITES_ENABLED}*")

    saList=()
    seList=()

    for site in $sa; do
        saList+=("$(echo $site | cut -d'/' -f5)")
    done

    for site in $se; do
        seList+=("$(echo $site | cut -d'/' -f5)")
    done

    for site in "${saList[@]}"; do
        if [[ "${seList[@]}" == *"$site"* ]]; then
            echo -e "\033[32m[+]\033[0m $site"
        else
            echo -e "\033[31m[-]\033[0m $site"
        fi
    done
}

fn_enable() {
    # creates site symlink
    if [ -z $SITE_NAME ]; then
        echo "Error: site name is missing"
        exit 1
    fi

    sa="${SITES_AVAILABLE}${SITE_NAME}"
    se="${SITES_ENABLED}${SITE_NAME}"

    if [ ! -f $sa ]; then
        echo "Error: site not found"
        exit 1
    elif [ -L $se ]; then
        echo "Error: site enabled"
        exit 1
    else
        ln -s $sa $se
        service nginx restart
        echo "Success: site enabled"
    fi
}

fn_disable() {
    # removes site symlink
    if [ -z $SITE_NAME ]; then
        echo "Error: site name is missing"
        exit 1
    fi

    sa="${SITES_AVAILABLE}${SITE_NAME}"
    se="${SITES_ENABLED}${SITE_NAME}"

    if [ ! -f $sa ]; then
        echo "Error: site not found"
        exit 1
    elif [ ! -L $se ]; then
        echo "Error: site disabled"
        exit 1
    else
        rm $se
        service nginx restart
        echo "Success: site disabled"
    fi
}

# handle input args & execute functions

case "$1" in
    -h|--help) 
        fn_help
        ;;
    -l|--list)
        fn_list
        ;;
    -e|--enable)
        fn_enable
        ;;
    -d|--disable)
        fn_disable
        ;;
    *)
        echo "use [-h|--help] for help"
        exit 1
        ;;
esac