runtime/rosti.tmpl.sh

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#!/bin/bash
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. ~/.bashrc
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WIDTH=180
HEIGHT=25
TECHDIR=/opt/techs
PRIMARYDIR=/srv/bin/primary_tech
# Usage: rosti php|python|node|memcached|redis OPTINAL_VERSION
#
# This script helps to configure the environment for selected
# language/technology/service. The language or service can be
# selected via TUI menu or optinal arguments.
QUICK_TECH=$1
QUICK_VERSION=$2
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# These environment variables can be set for testing:
# TESTMODE - 1 if test mode is enabled, it skips whiptail
# MENUITEM - selected menu item
# TECH - selected tech
# SERVICE - selected service
function setTech() {
tech=$1
# Activation of primary tech bin directory
# test ! -e $PRIMARYDIR || $TECHDIR/$tech/bin
test -L $PRIMARYDIR && unlink $PRIMARYDIR
ln -s $TECHDIR/$tech/bin $PRIMARYDIR
# Parse name of the tech - like python or node
name=`echo $tech | cut -d"-" -f 1`
# If /srv/app doesn't exist we will use examples files to create it
if [ ! -e /srv/app ]; then
mkdir -p /srv/conf/supervisor.d
echo "NOTE: /srv/app doesn't exists, creating it from $tech example application"
mkdir -p /srv/app
cp -a /opt/examples/$name/* /srv/app/
mv /srv/app/supervisor.conf /srv/conf/supervisor.d/$name.conf
else
echo "IMPORTANT: /srv/app found so no configuration or files are copied, make sure the application is ok after this process"
fi
# Pythoon specific stuff
if [ "$name" = "python" ]; then
if [ -e /srv/venv ]; then
echo "IMPORTANT: /srv/venv exists, if you have changed python version, make sure to create or update the virtualenv:"
echo
echo " rm -rf /srv/venv"
echo " python3 -m venv /srv/venv"
echo
echo "Don't forget to backup the old venv if necessary."
else
echo ".. creating new venv in /srv/venv"
test -e /srv/venv || $PRIMARYDIR/python3 -m venv /srv/venv
/srv/venv/bin/pip install gunicorn
/srv/venv/bin/pip install bottle
fi
fi
# PHP specific stuff
if [ "$name" = "php" ]; then
mkdir -p /srv/conf/php-fpm/pool.d/
# Copy config if needed
test -e /srv/conf/php-fpm/php-fpm.conf || mv /srv/app/php-fpm.conf /srv/conf/php-fpm/php-fpm.conf
test -e /srv/conf/php-fpm/pool.d/app.conf || mv /srv/app/pool_app.conf /srv/conf/php-fpm/pool.d/app.conf
test -e /srv/conf/php-fpm/php.ini || mv /srv/app/php.ini /srv/conf/php-fpm/php.ini
test ! -e /srv/conf/php-fpm/php.ini && ln -s /srv/conf/php-fpm/php.ini /opt/techs/$tech/etc/conf.d/app.ini
# And remove unneeded ones
# TODO: not sure how good idea this is
rm -f /srv/app/php-fpm.conf /srv/app/pool_app.conf /srv/app/php.ini /srv/app/nginx.conf
fi
# Node specific stuff
if [ "$name" = "node" ]; then
/opt/techs/$tech/bin/npm config set prefix "/srv/.npm-packages"
/opt/techs/$tech/bin/npm install -g yarn@berry
fi
# Remove default config in Nginx
test -e /srv/conf/nginx.d/default.conf && rm -f /srv/conf/nginx.d/default.conf
# Same thing we do for nginx but if the file exist it's not rewritten.
if [ ! -e /srv/conf/nginx.d/app.conf ]; then
mkdir -p /srv/conf/nginx.d
if [ "$name" = "php" ]; then
cp /opt/examples/php/nginx.conf /srv/conf/nginx.d/app.conf
else
cp /opt/examples/nginx/nginx.conf /srv/conf/nginx.d/app.conf
fi
echo ".. app configuration for nginx not found, adding it - please check /srv/conf/nginx.d/app.conf and make sure it fits your code"
fi
# We load new configuration into supervisor and it's automatically started or restarted if needed
supervisorctl reread
supervisorctl update
nginx -s reload
echo "NOTE: this tool doesn't restart existing processes, if it's needed, please, do it manually"
echo
if [ ! "$TESTMODE" = "1" -a -z "$QUICK_TECH" ]; then
read -p "Check the output and hit enter to continue"
else
exit 0
fi
}
function setService() {
service=$1
case $service in
"redis")
echo ".. adding redis into supervisor and copying config file into /srv/conf/redis.conf"
mkdir -p /srv/var/redis
cp /opt/examples/redis/supervisor.conf /srv/conf/supervisor.d/redis.conf
cp /opt/examples/redis/redis.conf /srv/conf/redis.conf
supervisorctl reread
supervisorctl update
echo "NOTE: please, check configuration file /srv/conf/redis.conf and update it if needed"
echo "NOTE: Redis server is available at localhost:6379"
echo
if [ ! "$TESTMODE" = "1" -a -z "$QUICK_TECH" ]; then
read -p "Check the output and hit enter to continue"
else
exit 0
fi
;;
"memcached")
echo ".. adding memcached into supervisor"
cp /opt/examples/memcached/supervisor.conf /srv/conf/supervisor.d/memcached.conf
supervisorctl reread
supervisorctl update
echo "NOTE: Memcached server is available at localhost:11211"
echo
if [ ! "$TESTMODE" = "1" -a -z "$QUICK_TECH" ]; then
read -p "Check the output and hit enter to continue"
else
exit 0
fi
;;
"*")
continue
;;
esac
}
# Use two parameters to handle everything this script allows to user
function quickTech() {
TECH=$1
VERSION=$2
case $TECH in
"python")
if [ -z "$VERSION" ]; then
VERSION=3.10.0
fi
setTech $TECH-$VERSION
;;
"php")
if [ -z "$VERSION" ]; then
VERSION=8.0.13
fi
setTech $TECH-$VERSION
;;
"node")
if [ -z "$VERSION" ]; then
VERSION=16.13.0
fi
setTech $TECH-$VERSION
;;
"ruby")
if [ -z "$VERSION" ]; then
VERSION=3.0.2
fi
setTech $TECH-$VERSION
;;
"deno")
if [ -z "$VERSION" ]; then
VERSION=1.16.2
fi
setTech $TECH-$VERSION
;;
"memcached")
setService $TECH
;;
"redis")
setService $TECH
;;
esac
}
# If parameters with tech and possibly version are given we just use those
if [ -n "$QUICK_TECH" ]; then
quickTech $QUICK_TECH $QUICK_VERSION
exit 0
fi
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# We will use EDITOR environment variables if possible
if [ "$EDITOR" = "" ]; then
export EDITOR=nano
fi
while /bin/true; do
if [ "$MENUITEM" = "" ]; then
menuitem=$(whiptail --menu "Choose what to do" $HEIGHT $WIDTH 10 \
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"tech" " Activaton of primary tech" \
"services" " Enable additional services (Redis, Memcached, ..)" \
"cron" " Update crontab" \
"exit" " Exit" \
3>&1 1>&2 2>&3)
else
menuitem=$MENUITEM
fi
case $menuitem in
# Activation of one of the available tech
# Only one tech can be enabled same time but it's possible to use any of them from /opt/techs
"tech")
if [ "$TECH" = "" ]; then
tech=$(whiptail --menu "Select tech" $HEIGHT $WIDTH 10 \
{{TECHS}}
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"back" " Go back" \
3>&1 1>&2 2>&3)
else
tech=$TECH
fi
if [ "$tech" = "back" -o "$tech" = "" ]; then
continue
fi
setTech $tech
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;;
# Services like small tools, databases or so to support the running app
"services")
if [ "$SERVICE" = "" ]; then
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service=$(whiptail --menu "Select service to be enabled" $HEIGHT $WIDTH 6 \
"memcached" " Memcached" \
"redis" " Redis" \
"back" " Go back" \
3>&1 1>&2 2>&3)
else
service=$SERVICE
fi
setService $service
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;;
# Simpler crontab editor
"cron")
$EDITOR /srv/conf/crontab && \
crontab /srv/conf/crontab
echo
if [ ! "$TESTMODE" = "1" -a -z "$QUICK_TECH" ]; then
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read -p "Check the output and hit enter to continue"
else
exit 0
fi
;;
"exit")
echo "Bye bye!"
exit 0
;;
esac
done