debianize-mobilizon/lib/mix/tasks/mobilizon/instance.ex

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# Portions of this file are derived from Pleroma:
# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social>
# SPDX-License-Identifier: AGPL-3.0-only
# Upstream: https://git.pleroma.social/pleroma/pleroma/blob/develop/lib/mix/tasks/pleroma/instance.ex
defmodule Mix.Tasks.Mobilizon.Instance do
@moduledoc """
Generates a new config
## Usage
``mix mobilizon.instance gen [OPTION...]``
If any options are left unspecified, you will be prompted interactively.
## Options
- `-f`, `--force` - overwrite any output files
- `-o PATH`, `--output PATH` - the output file for the generated configuration
- `--output-psql PATH` - the output file for the generated PostgreSQL setup
- `--domain DOMAIN` - the domain of your instance
- `--instance-name INSTANCE_NAME` - the name of your instance
- `--admin-email ADMIN_EMAIL` - the email address of the instance admin
- `--dbhost HOSTNAME` - the hostname of the PostgreSQL database to use
- `--dbname DBNAME` - the name of the database to use
- `--dbuser DBUSER` - the user (aka role) to use for the database connection
- `--dbpass DBPASS` - the password to use for the database connection
"""
2019-09-22 16:26:23 +02:00
use Mix.Task
alias Mix.Tasks.Mobilizon.Common
@preferred_cli_env "prod"
@shortdoc "Generates a new config"
def run(["gen" | options]) do
{options, [], []} =
OptionParser.parse(
options,
strict: [
force: :boolean,
output: :string,
output_psql: :string,
domain: :string,
instance_name: :string,
admin_email: :string,
dbhost: :string,
dbname: :string,
dbuser: :string,
dbpass: :string,
dbport: :integer
],
aliases: [
o: :output,
f: :force
]
)
paths =
[config_path, psql_path] = [
Keyword.get(options, :output, "config/prod.secret.exs"),
Keyword.get(options, :output_psql, "setup_db.psql")
]
will_overwrite = Enum.filter(paths, &File.exists?/1)
proceed? = Enum.empty?(will_overwrite) or Keyword.get(options, :force, false)
if proceed? do
[domain, port | _] =
String.split(
Common.get_option(
options,
:domain,
"What domain will your instance use? (e.g framameet.org)"
),
":"
) ++ [443]
name =
Common.get_option(
options,
:name,
"What is the name of your instance? (e.g. Framameet)"
)
email = Common.get_option(options, :admin_email, "What is your admin email address?")
dbhost =
Common.get_option(options, :dbhost, "What is the hostname of your database?", "localhost")
dbname =
Common.get_option(
options,
:dbname,
"What is the name of your database?",
"mobilizon_prod"
)
dbuser =
Common.get_option(
options,
:dbuser,
"What is the user used to connect to your database?",
"mobilizon"
)
dbpass =
Common.get_option(
options,
:dbpass,
"What is the password used to connect to your database?",
:crypto.strong_rand_bytes(64) |> Base.url_encode64() |> binary_part(0, 64),
"autogenerated"
)
listen_port =
Common.get_option(
options,
:listen_port,
"What port will the app listen to (leave it if you are using the default setup with nginx)?",
4000
)
listen_ip =
Common.get_option(
options,
:listen_ip,
"What ip will the app listen to (leave it if you are using the default setup with nginx)?",
"127.0.0.1"
)
instance_secret = :crypto.strong_rand_bytes(64) |> Base.encode64() |> binary_part(0, 64)
auth_secret = :crypto.strong_rand_bytes(64) |> Base.encode64() |> binary_part(0, 64)
template_dir = Application.app_dir(:mobilizon, "priv") <> "/templates"
result_config =
EEx.eval_file(
"#{template_dir}/config.template.eex",
instance_domain: domain,
instance_port: port,
instance_email: email,
instance_name: name,
database_host: dbhost,
database_name: dbname,
database_port: Keyword.get(options, :dbport, 5432),
database_username: dbuser,
database_password: dbpass,
version: Mobilizon.Mixfile.project() |> Keyword.get(:version),
instance_secret: instance_secret,
auth_secret: auth_secret,
listen_ip: listen_ip,
listen_port: listen_port
)
result_psql =
EEx.eval_file(
"#{template_dir}/setup_db.eex",
database_name: dbname,
database_username: dbuser,
database_password: dbpass
)
Mix.shell().info(
"Writing config to #{config_path}. You should rename it to .env.production, .env.dev or .env.test"
)
File.write(config_path, result_config)
Mix.shell().info("Writing #{psql_path}.")
File.write(psql_path, result_psql)
Mix.shell().info(
"\n" <>
"""
To get started:
1. Check the contents of the generated files.
2. Run `sudo -u postgres psql -f #{Common.escape_sh_path(psql_path)} && rm #{
Common.escape_sh_path(psql_path)
}`.
"""
)
else
Mix.shell().error(
"The task would have overwritten the following files:\n" <>
(will_overwrite |> Enum.map(&"- #{&1}\n") |> Enum.join("")) <>
"Rerun with `-f/--force` to overwrite them."
)
end
end
end