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