lemmy/scripts/db-init.sh

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#!/usr/bin/env bash
set -e
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# Default configurations
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username=lemmy
password=password
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dbname=lemmy
port=5432
yes_no_prompt_invalid() {
echo "Invalid input. Please enter either \"y\" or \"n\"." 1>&2
}
print_config() {
echo " database name: $dbname"
echo " username: $username"
echo " password: $password"
echo " port: $port"
}
ask_for_db_config() {
echo "The default database configuration is:"
print_config
echo
default_config_final=0
default_config_valid=0
while [ "$default_config_valid" == 0 ]
do
read -p "Use this configuration (y/n)? " default_config
case "$default_config" in
[yY]* ) default_config_valid=1; default_config_final=1;;
[nN]* ) default_config_valid=1; default_config_final=0;;
* ) yes_no_prompt_invalid;;
esac
echo
done
if [ "$default_config_final" == 0 ]
then
config_ok_final=0
while [ "$config_ok_final" == 0 ]
do
read -p "Database name: " dbname
read -p "Username: " username
read -p "Password: password"
read -p "Port: " port
#echo
#echo "The database configuration is:"
#print_config
#echo
config_ok_valid=0
while [ "$config_ok_valid" == 0 ]
do
read -p "Use this configuration (y/n)? " config_ok
case "$config_ok" in
[yY]* ) config_ok_valid=1; config_ok_final=1;;
[nN]* ) config_ok_valid=1; config_ok_final=0;;
* ) yes_no_prompt_invalid;;
esac
echo
done
done
fi
}
ask_for_db_config
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psql -c "CREATE USER $username WITH PASSWORD '$password' SUPERUSER;" -U postgres
psql -c "CREATE DATABASE $dbname WITH OWNER $username;" -U postgres
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export LEMMY_DATABASE_URL=postgres://$username:$password@localhost:$port/$dbname
echo "The database URL is $LEMMY_DATABASE_URL"