skiqqy.xyz/nginxd
Stephen Cochrane 4c2058dad3 Fixed a typo
2020-10-15 20:08:36 +02:00

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#!/bin/bash
# @Auther skiqqy
# This script is best run as root inside the root of this repo.
# This script allows me to enable/disable certain sections of my website.
# Available units
units=( git blog wiki irc proj all )
RED='\033[0;31m'
NC='\033[0m'
# Show the help menu
help_menu () {
echo "Welcome!"
echo -e "e\t->\tEnable a unit."
echo -e "d\t->\tDisable a unit."
echo -e "u\t->\tSpecify the path to the units directory"
echo -e "h\t->\tShows this message."
}
# Display an error message and exit.
# error [message] [exit code]
error () {
printf "[${RED}ERROR${NC}] $1\n"
exit $2
}
# links available site to enabled.
# link [unit]
link () {
[ ! -f /etc/nginx/sites-available/$1 ] && error "The unit <$1> file cannot be linked." 1
ln -s /etc/nginx/sites-available/$1 /etc/nginx/sites-enabled/$1
}
# Adds a unit so that nginx can use it, also sets up sym links.
# add [unit]
add () {
echo Enabling $1
cp $unitsd/$1 /etc/nginx/sites-available
link $1
}
# Remove a unit so that nginx does not use it anymore, also sets up sym links.
# remove [unit]
remove () {
echo Removing $1
rm -f /etc/nginx/sites-enabled/$1
}
# Enable or disable all units.
# all [ e | d ]
all () {
# Test and check valid args
[ -z $1 ] && error "[ALL] Not given a flag." 1
! [[ $1 == 'e' || $1 == 'd' ]] && error "[ALL] Not given a valid flag." 1
REMOVE=()
ADD=()
for u in "${units[@]}"
do
if [ $u != "all" ]
then
if [ $1 == 'e' ]
then
ADD+=("$u")
REMOVE+=("d$u")
else
REMOVE+=("$u")
ADD+=("d$u")
fi
fi
done
echo "Adding units ( ${ADD[@]} )"
echo "Removing units ( ${REMOVE[@]} )"
for u in "${ADD[@]}"
do
add $u
done
for u in "${REMOVE[@]}"
do
remove $u
done
}
# Handle arguments and do basic error checking
while getopts "he:d:u:" opt
do
case $opt in
h)
help_menu
exit 0
;;
e | d)
[ ! -z $unit ] && error "Unit <$unit> already set." 1
[[ $opt == "e" ]] && oper=e || oper=d
unit="$OPTARG"
;;
u)
[ -d "$OPTARG" ] && unitsd="$OPTARG" || error "Not <$OPTARG> a valid directory." 1
;;
*)
exit 2
;;
esac
done
# if not specified, then by default we enable everything
[ -z $unit ] && unit="all" && oper="e"
# Unit directory
unitsd=${unitsd:="./units"}
unitsd=$(echo $unitsd | sed 's:/*$::') # Remove trailing slash
# Check that a valid unit was given.
[[ ! " ${units[@]} " =~ " ${unit} " ]] && error "The unit <$unit> does not exist." 1 \
|| echo "Unit <$unit> is supported!"
# Check if we are disabeling, that we have a replacement unit
[ $oper == "d" ] && [ $unit != "all" ] && [[ ! -f "$unitsd/d$unit" ]] && error "Cannot find replacement unit for <$unit>." 1
[ $oper == "e" ] && [ $unit != "all" ] && [[ ! -f "$unitsd/$unit" ]] && error "Cannot find unit file for <$unit>" 1
# Everything is valid, Perform tasks
if [ $unit == "all" ]
then
all $oper
elif [ $oper == 'e' ]
then
add $unit
remove "d$unit"
elif [ $oper == 'd' ]
add "d$unit"
remove $unit
then
echo Disabling $unit
else
error "No operation set." 1
fi
# Finally we test the new configs, and restart nginx
service nginx testconfig && systemctl restart nginx || error "nginx config test failed..." 1