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defmodule Mix.Tasks.GenerateConfig do
use Mix.Task
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@moduledoc """
Generate a new config
## Usage
` ` mix generate_config ` `
This mix task is interactive , and will overwrite the config present at ` ` config / generated_config . exs ` ` .
"""
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def run ( _ ) do
IO . puts ( " Answer a few questions to generate a new config \n " )
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IO . puts ( " --- THIS WILL OVERWRITE YOUR config/generated_config.exs! --- \n " )
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domain = IO . gets ( " What is your domain name? (e.g. pleroma.soykaf.com): " ) |> String . trim ( )
name = IO . gets ( " What is the name of your instance? (e.g. Pleroma/Soykaf): " ) |> String . trim ( )
email = IO . gets ( " What's your admin email address: " ) |> String . trim ( )
secret = :crypto . strong_rand_bytes ( 64 ) |> Base . encode64 ( ) |> binary_part ( 0 , 64 )
dbpass = :crypto . strong_rand_bytes ( 64 ) |> Base . encode64 ( ) |> binary_part ( 0 , 64 )
resultSql = EEx . eval_file ( " lib/mix/tasks/sample_psql.eex " , dbpass : dbpass )
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{ web_push_public_key , web_push_private_key } = :crypto . generate_key ( :ecdh , :prime256v1 )
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result =
EEx . eval_file (
" lib/mix/tasks/sample_config.eex " ,
domain : domain ,
email : email ,
name : name ,
secret : secret ,
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dbpass : dbpass ,
web_push_public_key : Base . url_encode64 ( web_push_public_key , padding : false ) ,
web_push_private_key : Base . url_encode64 ( web_push_private_key , padding : false )
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)
IO . puts (
" \n Writing config to config/generated_config.exs. \n \n Check it and configure your database, then copy it to either config/dev.secret.exs or config/prod.secret.exs "
)
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File . write ( " config/generated_config.exs " , result )
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IO . puts (
" \n Writing setup_db.psql, please run it as postgre superuser, i.e.: sudo su postgres -c 'psql -f config/setup_db.psql' "
)
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File . write ( " config/setup_db.psql " , resultSql )
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end
end