2019-01-03 11:34:31 +01:00
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# Portions of this file are derived from Pleroma:
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# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social>
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# SPDX-License-Identifier: AGPL-3.0-only
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# Upstream: https://git.pleroma.social/pleroma/pleroma/blob/develop/lib/mix/tasks/pleroma/instance.ex
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defmodule Mix.Tasks.Mobilizon.Instance do
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@moduledoc """
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Generates a new config
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## Usage
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``mix mobilizon.instance gen [OPTION...]``
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If any options are left unspecified, you will be prompted interactively.
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## Options
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- `-f`, `--force` - overwrite any output files
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- `-o PATH`, `--output PATH` - the output file for the generated configuration
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- `--output-psql PATH` - the output file for the generated PostgreSQL setup
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- `--domain DOMAIN` - the domain of your instance
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- `--instance-name INSTANCE_NAME` - the name of your instance
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- `--admin-email ADMIN_EMAIL` - the email address of the instance admin
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- `--dbhost HOSTNAME` - the hostname of the PostgreSQL database to use
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- `--dbname DBNAME` - the name of the database to use
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- `--dbuser DBUSER` - the user (aka role) to use for the database connection
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- `--dbpass DBPASS` - the password to use for the database connection
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- `--dbport DBPORT` - the database port
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- `--listen-port PORT` - the port the app should listen to, defaults to 4000
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"""
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2019-09-22 16:26:23 +02:00
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use Mix.Task
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2020-10-30 15:16:01 +01:00
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import Mix.Tasks.Mobilizon.Common
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@preferred_cli_env "prod"
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@shortdoc "Generates a new config"
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@spec run(list(binary())) :: no_return
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def run(["gen" | options]) do
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{options, [], []} =
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OptionParser.parse(
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options,
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strict: [
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force: :boolean,
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source: :boolean,
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output: :string,
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output_psql: :string,
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domain: :string,
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instance_name: :string,
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admin_email: :string,
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dbhost: :string,
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dbname: :string,
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dbuser: :string,
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dbpass: :string,
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dbport: :integer,
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listen_port: :string
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],
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aliases: [
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o: :output,
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f: :force,
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s: :source
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]
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)
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paths =
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[config_path, psql_path] = [
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Keyword.get(options, :output, "config/runtime.exs"),
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Keyword.get(options, :output_psql, "setup_db.psql")
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]
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will_overwrite = Enum.filter(paths, &File.exists?/1)
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proceed? = Enum.empty?(will_overwrite) or Keyword.get(options, :force, false)
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source_install? = Keyword.get(options, :source, false)
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if proceed? do
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[domain, port | _] =
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String.split(
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get_option(
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options,
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:domain,
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"What domain will your instance use? (e.g mobilizon.org)"
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),
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":"
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) ++ [443]
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name =
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get_option(
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options,
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:instance_name,
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"What is the name of your instance? (e.g. Mobilizon)"
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)
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email =
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get_option(
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options,
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:admin_email,
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"What's the address email will be send with?",
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"noreply@#{domain}"
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)
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dbhost = get_option(options, :dbhost, "What is the hostname of your database?", "localhost")
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dbname =
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get_option(
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options,
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:dbname,
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"What is the name of your database?",
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"mobilizon_prod"
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)
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dbuser =
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get_option(
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options,
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:dbuser,
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"What is the user used to connect to your database?",
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"mobilizon"
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)
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dbpass =
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get_option(
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options,
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:dbpass,
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"What is the password used to connect to your database?",
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:crypto.strong_rand_bytes(64) |> Base.url_encode64() |> binary_part(0, 64),
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"autogenerated"
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)
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listen_port =
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get_option(
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options,
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:listen_port,
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"What port will the app listen to (leave it if you are using the default setup with nginx)?",
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4000
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)
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instance_secret = :crypto.strong_rand_bytes(64) |> Base.encode64() |> binary_part(0, 64)
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auth_secret = :crypto.strong_rand_bytes(64) |> Base.encode64() |> binary_part(0, 64)
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template_dir = Application.app_dir(:mobilizon, "priv") <> "/templates"
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result_config =
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EEx.eval_file(
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"#{template_dir}/config.template.eex",
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instance_domain: domain,
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instance_port: port,
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instance_email: email,
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instance_name: name,
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database_host: dbhost,
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database_name: dbname,
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database_port: Keyword.get(options, :dbport, 5432),
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database_username: dbuser,
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database_password: dbpass,
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instance_secret: instance_secret,
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auth_secret: auth_secret,
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listen_port: listen_port,
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release: source_install? == false
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)
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result_psql =
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EEx.eval_file(
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"#{template_dir}/setup_db.eex",
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database_name: dbname,
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database_username: dbuser,
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database_password: dbpass
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)
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with :ok <- write_config(config_path, result_config),
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:ok <- write_psql(psql_path, result_psql) do
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shell_info(
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"\n" <>
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"""
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To get started:
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1. Check the contents of the generated files.
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2. Run `sudo -u postgres psql -f #{escape_sh_path(psql_path)} && rm #{escape_sh_path(psql_path)}`.
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"""
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)
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else
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{:error, err} -> exit(err)
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_ -> exit(:unknown_error)
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end
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else
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shell_error(
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"The task would have overwritten the following files:\n" <>
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(will_overwrite |> Enum.map(&"- #{&1}\n") |> Enum.join("")) <>
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"Rerun with `-f/--force` to overwrite them."
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)
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end
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end
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defp write_config(config_path, result_config) do
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shell_info("Writing config to #{config_path}.")
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case File.write(config_path, result_config) do
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:ok ->
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:ok
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{:error, err} ->
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shell_error(
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"\nERROR: Unable to write config file to #{config_path}. Make sure you have permissions on the destination and that the parent path exists.\n"
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)
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{:error, err}
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end
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end
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defp write_psql(psql_path, result_psql) do
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shell_info("Writing #{psql_path}.")
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case File.write(psql_path, result_psql) do
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:ok ->
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:ok
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{:error, err} ->
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shell_error(
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"\nERROR: Unable to write psql file to #{psql_path}. Make sure you have permissions on the destination and that the parent path exists.\n"
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)
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{:error, err}
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end
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end
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end
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