opnform/docker/generate-api-secret.sh

48 lines
841 B
Bash
Raw Permalink Normal View History

#!/bin/bash
main() {
( flock -n 100 || wait_for_other_instance; generate_api_secrets) 100> /var/lock/api_secret.lock
}
generate_api_secrets() {
if ! is_configured; then
SECRET=$(random_string)
add_secret_to_env_file /app/client/.env NUXT_API_SECRET $SECRET
add_secret_to_env_file /app/.env FRONT_API_SECRET $SECRET
fi
}
random_string() {
array=()
for i in {a..z} {A..Z} {0..9};
do
array[$RANDOM]=$i
done
printf %s ${array[@]::8} $'\n'
}
add_secret_to_env_file() {
FILE=$1
TEMP_FILE=/tmp/env.$$
VAR=$2
VAL=$3
grep "^$VAR=" $FILE || ( echo $VAR= >> $FILE )
cp $FILE $TEMP_FILE
sed "s/^$VAR=.*$/$VAR=$VAL/" -i $TEMP_FILE
cat $TEMP_FILE > $FILE
}
wait_for_other_instance() {
while ! is_configured; do
sleep 1;
done
}
is_configured() {
grep -q "FRONT_API_SECRET=.\+" /app/.env
}
main