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send_ynh_agr/scripts/_common.sh
Éric Gaspar 35809be3a3 fix
2023-05-20 19:54:44 +02:00

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#!/bin/bash
#=================================================
# COMMON VARIABLES
#=================================================
nodejs_version=18
#=================================================
# PERSONAL HELPERS
#=================================================
#=================================================
# EXPERIMENTAL HELPERS
#=================================================
#=================================================
# FUTURE OFFICIAL 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 --message="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
}