django_example_ynh/scripts/_common.sh
2022-08-15 09:02:06 +02:00

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#!/bin/bash
#=================================================
# RETRIEVE ARGUMENTS FROM THE MANIFEST
#=================================================
domain=$YNH_APP_ARG_DOMAIN
path_url=$YNH_APP_ARG_PATH
admin=$YNH_APP_ARG_ADMIN
is_public=$YNH_APP_ARG_IS_PUBLIC
app=$YNH_APP_INSTANCE_NAME
#=================================================
# ARGUMENTS FROM CONFIG PANEL
#=================================================
# 'debug_enabled' -> '__DEBUG_ENABLED__' -> settings.DEBUG
debug_enabled="0"
# 'log_level' -> '__LOG_LEVEL__' -> settings.LOG_LEVEL
log_level="WARNING"
#=================================================
# SET CONSTANTS
#=================================================
public_path=/var/www/$app
final_path=/opt/yunohost/$app
log_path=/var/log/$app
log_file="${log_path}/django_example_ynh.log"
adminmail=$(ynh_user_get_info --username=$admin --key=mail)
#=================================================
# COMMON VARIABLES
#=================================================
# dependencies used by the app
pkg_dependencies="build-essential python3-dev python3-pip python3-venv git libpq-dev postgresql postgresql-contrib"
#=================================================
# Redis HELPERS
#=================================================
# get the first available redis database
#
# usage: ynh_redis_get_free_db
# | returns: the database number to use
ynh_redis_get_free_db() {
local result max db
result=$(redis-cli INFO keyspace)
# get the num
max=$(cat /etc/redis/redis.conf | grep ^databases | grep -Eow "[0-9]+")
db=0
# default Debian setting is 15 databases
for i in $(seq 0 "$max")
do
if ! echo "$result" | grep -q "db$i"
then
db=$i
break 1
fi
db=-1
done
test "$db" -eq -1 && ynh_die "No available Redis databases..."
echo "$db"
}
# Create a master password and set up global settings
# Please always call this script in install and restore scripts
#
# usage: ynh_redis_remove_db database
# | arg: database - the database to erase
ynh_redis_remove_db() {
local db=$1
redis-cli -n "$db" flushall
}
#=================================================
# Execute a command as another user
# usage: ynh_exec_as USER COMMAND [ARG ...]
ynh_exec_as() {
local USER=$1
shift 1
if [[ $USER = $(whoami) ]]; then
eval "$@"
else
sudo -u "$USER" "$@"
fi
}