82 lines
2.3 KiB
Bash
Executable File
82 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
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# env setup script for docker compose .env setup
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# 2023-01-06 by dede & dany
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env_sample="env.sample"
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dirname=$(basename "$(dirname "${BASH_SOURCE[0]}")")
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echo "$dirname docker compose setup"
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echo "> env setup for $dirname with docker compose"
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# check for existing .env file to not break an existing setup
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if [[ -f .env ]]; then
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if [[ "$1" == "-f" ]]; then
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echo ".env file already exists. force param is set. .env will be overwritten."
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else
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echo ".env file already exists. setup will not run."\
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"either rename/delete it first or run this script with force param like this: "
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echo "$ ./${0##*/} -f"
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exit 1
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fi
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elif [[ ! -f $env_sample ]]; then
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echo "> $env_sample file is missing. cannot run."
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exit 2
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fi
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# create .env file
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echo -e "# file generated by ${0##*/} on $(date +"%F %H:%M") by $USER\n" > .env
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# step through the list of lines and ask for each key to use default value or set value
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# for each line in configfile
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while read -r -u 3 line; do
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# keep blank and comment lines
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if [[ -z $line ]] || [[ $line == \#* ]]; then
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echo "$line" >> .env
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# handle variable lines
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else
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# split line by '=' into key and value
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readarray -d "=" -t currvar<<< "$line"
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# preset value with default
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value=${currvar[1]::-1}
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# check if there's a password to generate
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if [[ ! ${currvar[1],,} =~ ^(true|false|yes|no)$ ]] && \
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[[ ${currvar[0]} =~ (PASS|PASSWORD|PWD|PASSWD)$ ]]; then
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value=$(openssl rand -base64 29 | tr -d "=+/" | cut -c1-25)
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fi
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# ask for user input
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echo -n "please enter value for ${currvar[0]} [$value]: "
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read -r userinput
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# set userinput as new value if any
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if [ -n "$userinput" ]; then
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value=$userinput
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fi
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# check if there's a directory to create
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if [[ ${currvar[0]} =~ (DIR|DIRECTORY)$ ]]; then
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if [[ ! -d $value ]]; then
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echo -n "do you want to create the directory? [Y/n]: "
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read -r createdir
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if [[ $createdir =~ ^([yY]|)$ ]]; then
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mkdir -p "$value"
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echo "directory created."
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fi
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else
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echo "directory already exists."
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if [ -n "$(ls -A "$value")" ]; then
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echo "WATCH OUT! the directory is NOT empty. please ensure this is intended."
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fi
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fi
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fi
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# now append the line
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echo "${currvar[0]}=$value" >> .env
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fi
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done 3< $env_sample
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