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|
# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Mix.Tasks.Pleroma.Config do
use Mix.Task
import Mix.Pleroma
alias Pleroma.ConfigDB
alias Pleroma.Repo
@shortdoc "Manages the location of the config"
@moduledoc File.read!("docs/administration/CLI_tasks/config.md")
def run(["migrate_to_db"]) do
start_pleroma()
migrate_to_db()
end
def run(["migrate_from_db" | options]) do
start_pleroma()
{opts, _} =
OptionParser.parse!(options,
strict: [env: :string, delete: :boolean],
aliases: [d: :delete]
)
migrate_from_db(opts)
end
@spec migrate_to_db(Path.t() | nil) :: any()
def migrate_to_db(file_path \\ nil) do
with true <- Pleroma.Config.get([:configurable_from_database]),
:ok <- Pleroma.Config.DeprecationWarnings.warn() do
config_file =
if file_path do
file_path
else
if Pleroma.Config.get(:release) do
Pleroma.Config.get(:config_path)
else
"config/#{Pleroma.Config.get(:env)}.secret.exs"
end
end
do_migrate_to_db(config_file)
else
:error -> deprecation_error()
_ -> migration_error()
end
end
defp do_migrate_to_db(config_file) do
if File.exists?(config_file) do
shell_info("Migrating settings from file: #{Path.expand(config_file)}")
Ecto.Adapters.SQL.query!(Repo, "TRUNCATE config;")
Ecto.Adapters.SQL.query!(Repo, "ALTER SEQUENCE config_id_seq RESTART;")
custom_config =
config_file
|> read_file()
|> elem(0)
custom_config
|> Keyword.keys()
|> Enum.each(&create(&1, custom_config))
else
shell_info("To migrate settings, you must define custom settings in #{config_file}.")
end
end
defp create(group, settings) do
group
|> Pleroma.Config.Loader.filter_group(settings)
|> Enum.each(fn {key, value} ->
{:ok, _} = ConfigDB.update_or_create(%{group: group, key: key, value: value})
shell_info("Settings for key #{key} migrated.")
end)
shell_info("Settings for group :#{group} migrated.")
end
defp migrate_from_db(opts) do
if Pleroma.Config.get([:configurable_from_database]) do
env = opts[:env] || Pleroma.Config.get(:env)
config_path =
if Pleroma.Config.get(:release) do
:config_path
|> Pleroma.Config.get()
|> Path.dirname()
else
"config"
end
|> Path.join("#{env}.exported_from_db.secret.exs")
file = File.open!(config_path, [:write, :utf8])
IO.write(file, config_header())
ConfigDB
|> Repo.all()
|> Enum.each(&write_and_delete(&1, file, opts[:delete]))
:ok = File.close(file)
System.cmd("mix", ["format", config_path])
shell_info(
"Database configuration settings have been exported to config/#{env}.exported_from_db.secret.exs"
)
else
migration_error()
end
end
defp migration_error do
shell_error(
"Migration is not allowed in config. You can change this behavior by setting `config :pleroma, configurable_from_database: true`"
)
end
defp deprecation_error do
shell_error("Migration is not allowed until all deprecation warnings have been resolved.")
end
if Code.ensure_loaded?(Config.Reader) do
defp config_header, do: "import Config\r\n\r\n"
defp read_file(config_file), do: Config.Reader.read_imports!(config_file)
else
defp config_header, do: "use Mix.Config\r\n\r\n"
defp read_file(config_file), do: Mix.Config.eval!(config_file)
end
defp write_and_delete(config, file, delete?) do
config
|> write(file)
|> delete(delete?)
end
defp write(config, file) do
value = inspect(config.value, limit: :infinity)
IO.write(file, "config #{inspect(config.group)}, #{inspect(config.key)}, #{value}\r\n\r\n")
config
end
defp delete(config, true) do
{:ok, _} = Repo.delete(config)
shell_info("#{config.key} deleted from DB.")
end
defp delete(_config, _), do: :ok
end
|
