cvhost

#!/usr/bin/env bash

while test $# -gt 0; do
        case "$1" in
                --help)
                        echo "Script for creating virtual host. Example of usage: cvhost -h site1.local -c site1 -p /var/www"
                        exit 0
                        ;;
                -h)
                        shift
                        vhostName="$1"
                        shift
                        ;;
                -c)
                        shift
                        webServerVhostName="$1"
                        shift
                        ;;
                -p)
                        shift
                        BaseDocumentRoot="$1"
                        shift
                        ;;
                *)
                        break
                        ;;
        esac
done

if [ -z "$vhostName" ]; then
	echo "HostName is reqiered parameter"
	exit 1
fi
if [ -z "$webServerVhostName" ]; then
	webServerVhostName="$vhostName"
fi
if [ -z "$BaseDocumentRoot" ]; then
	BaseDocumentRoot="/var/www"
fi

#define document root path for virtual host configuration file
DocumentRoot="$BaseDocumentRoot/$webServerVhostName"

#template for file configuration of web server Apache
templateApacheConfig="<VirtualHost *:80>
    ServerName $vhostName

    ServerAdmin webmaster@localhost
    DocumentRoot $DocumentRoot

</VirtualHost>"

#template for file configuration of web server Nginx
templateNginxConfig="server {
    listen 80;

    root $DocumentRoot;
    index index.html index.htm;

    server_name $vhostName;
}"

#detecting web server type
webServerName="$(netstat -ntlp | awk 'match($4,".*80$"){print $7}'|head -1|grep -Eo "apache2|nginx")"
if [ "$webServerName" == "apache2" ]; then
	webServerBaseDir="/etc/apache2"	
	templateConfig="$templateApacheConfig"
elif [ "$webServerName" == "nginx" ]; then
	webServerBaseDir="/etc/nginx" 
	templateConfig="$templateNginxConfig"
else
	echo "Couldn't determine web server. Exiting..."
	exit 0;
fi
hostsFile="/etc/hosts"

echo "Document root for virtual host(put your code here or change it in the configuration file of web server): $DocumentRoot"
echo "Configuration file content is: 
$templateConfig"

isHostExistInTheHostsFile="$(grep -E "(\s|\t)*127\.0\.0\.1(\s|\t)*$vhostName(\s|\t|$)" "$hostsFile")"
if [ -z "$isHostExistInTheHostsFile" ]; then
    echo "Adding new host '$vhostName' to the hosts file..."
    printf "\n127.0.0.1 $vhostName\n" >> $hostsFile
else 
    echo "Host '$vhostName' has already exist in the hosts file!"
fi

webServerSitesAvDir="$webServerBaseDir/sites-available"
webServerSitesEnDir="$webServerBaseDir/sites-enabled"
webServerVhostAvPath="$webServerSitesAvDir/$webServerVhostName.conf"
webServerVhostEnPath="$webServerSitesEnDir/$webServerVhostName.conf"
echo "creating configuration file $webServerVhostAvPath ..."
echo "$templateConfig" > "$webServerVhostAvPath"
echo "creating symbolic link from $webServerVhostAvPath to $webServerVhostEnPath ..."

ln -s "$webServerVhostAvPath" "$webServerVhostEnPath"

service "$webServerName" restart