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some refactor and tests

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This commit is contained in:
Alexander Strizhakov 2020-01-21 17:49:22 +03:00
parent 503d966e9f
commit f01ab6cd29
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10 changed files with 308 additions and 201 deletions
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5
config/releases.exs
View File

@ -21,7 +21,10 @@ else
IO.puts(warning)
end
exported_config = Path.join([Path.dirname(config_path), "prod.exported_from_db.secret.exs"])
exported_config =
config_path
|> Path.dirname()
|> Path.join("prod.exported_from_db.secret.exs")
if File.exists?(exported_config) do
import_config exported_config

6
docs/administration/CLI_tasks/config.md
View File

@ -18,11 +18,11 @@ mix pleroma.config migrate_to_db
## Transfer config from DB to `config/env.exported_from_db.secret.exs`
To delete transfered settings from database optional flag `-d` can be used.
```sh tab="OTP"
./bin/pleroma_ctl config migrate_from_db <env>
./bin/pleroma_ctl config migrate_from_db --env=<env> [-d]
```
```sh tab="From Source"
mix pleroma.config migrate_from_db <env>
mix pleroma.config migrate_from_db --env=<env> [-d]
```

154
lib/mix/tasks/pleroma/config.ex
View File

@ -19,94 +19,55 @@ defmodule Mix.Tasks.Pleroma.Config do
end
def run(["migrate_from_db" | options]) do
# TODO: add support for releases
start_pleroma()
{opts, _} =
OptionParser.parse!(options,
strict: [env: :string, delete_from_db: :boolean],
aliases: [d: :delete_from_db]
strict: [env: :string, delete: :boolean],
aliases: [d: :delete]
)
with {:active?, true} <-
{:active?, Pleroma.Config.get([:configurable_from_database])},
env when is_binary(env) <- opts[:env] || "prod",
config_path <- config_path(env),
{:ok, file} <- File.open(config_path, [:write, :utf8]) do
IO.write(file, config_header())
ConfigDB
|> Repo.all()
|> Enum.each(&write_to_file_with_deletion(&1, file, opts[:delete_from_db]))
File.close(file)
System.cmd("mix", ["format", config_path])
else
{:active?, false} ->
shell_info(
"Migration is not allowed by config. You can change this behavior in instance settings."
)
error ->
shell_info("Error occuried while opening file. #{inspect(error)}")
end
end
defp config_path(env) do
path =
if Pleroma.Config.get(:release) do
:config_path
|> Pleroma.Config.get()
|> Path.dirname()
else
"config"
end
Path.join(path, "#{env}.exported_from_db.secret.exs")
migrate_from_db(opts)
end
@spec migrate_to_db(Path.t() | nil) :: any()
def migrate_to_db(file_path \\ nil) do
if Pleroma.Config.get([:configurable_from_database]) do
user_config_file =
if Pleroma.Config.get(:release),
do: Pleroma.Config.get(:config_path),
else: "config/#{Pleroma.Config.get(:env)}.secret.exs"
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
config_file = file_path || user_config_file
do_migrate_to_db(config_file)
else
shell_info(
"Migration is not allowed by config. You can change this behavior in instance settings."
)
migration_error()
end
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 do_migrate_to_db(config_file) do
if File.exists?(config_file) do
{custom_config, _paths} = read_file(config_file)
custom_config =
config_file
|> read_file()
|> elem(0)
custom_config
|> Keyword.keys()
|> Enum.each(&create(&1, custom_config[&1]))
|> 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
Enum.reject(settings, fn {k, _v} ->
k in [Pleroma.Repo, Pleroma.Web.Endpoint, :env, :configurable_from_database] or
(group == :phoenix and k == :serve_endpoints)
end)
group
|> Pleroma.Config.Loader.filter_group(settings)
|> Enum.each(fn {key, value} ->
key = inspect(key)
{:ok, _} = ConfigDB.update_or_create(%{group: inspect(group), key: key, value: value})
@ -117,17 +78,70 @@ defmodule Mix.Tasks.Pleroma.Config do
shell_info("Settings for group :#{group} migrated.")
end
defp write_to_file_with_deletion(config, file, with_deletion) do
IO.write(
file,
"config #{config.group}, #{config.key}, #{
inspect(ConfigDB.from_binary(config.value), limit: :infinity)
}\r\n\r\n"
)
defp migrate_from_db(opts) do
if Pleroma.Config.get([:configurable_from_database]) do
env = opts[:env] || "prod"
if with_deletion do
{:ok, _} = Repo.delete(config)
shell_info("#{config.key} deleted from DB.")
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])
else
migration_error()
end
end
defp migration_error do
shell_error(
"Migration is not allowed in config. You can change this behavior by setting `configurable_from_database` to true."
)
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 =
config.value
|> ConfigDB.from_binary()
|> inspect(limit: :infinity)
IO.write(file, "config #{config.group}, #{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

152
lib/pleroma/config/config_db.ex
View File

@ -4,14 +4,38 @@
defmodule Pleroma.ConfigDB do
use Ecto.Schema
import Ecto.Changeset
import Ecto.Query
import Pleroma.Web.Gettext
alias __MODULE__
alias Pleroma.Repo
@type t :: %__MODULE__{}
@full_key_update [
{:pleroma, :ecto_repos},
{:quack, :meta},
{:mime, :types},
{:cors_plug, [:max_age, :methods, :expose, :headers]},
{:auto_linker, :opts},
{:swarm, :node_blacklist},
{:logger, :backends}
]
@full_subkey_update [
{:pleroma, :assets, :mascots},
{:pleroma, :emoji, :groups},
{:pleroma, :workers, :retries},
{:pleroma, :mrf_subchain, :match_actor},
{:pleroma, :mrf_keyword, :replace}
]
@regex ~r/^~r(?'delimiter'[\/|"'([{<]{1})(?'pattern'.+)[\/|"')\]}>]{1}(?'modifier'[uismxfU]*)/u
@delimiters ["/", "|", "\"", "'", {"(", ")"}, {"[", "]"}, {"{", "}"}, {"<", ">"}]
schema "config" do
field(:key, :string)
field(:group, :string)
@ -78,37 +102,35 @@ defmodule Pleroma.ConfigDB do
end
end
@full_subkey_update [
{:pleroma, :assets, :mascots},
{:pleroma, :emoji, :groups},
{:pleroma, :workers, :retries},
{:pleroma, :mrf_subchain, :match_actor},
{:pleroma, :mrf_keyword, :replace}
]
@spec merge_group(atom(), atom(), keyword(), keyword()) :: keyword()
def merge_group(group, key, old_value, new_value) do
new_keys = to_map_set(new_value)
@spec deep_merge(atom(), atom(), keyword(), keyword()) :: keyword()
def deep_merge(group, key, old_value, new_value) do
old_keys =
old_value
|> Keyword.keys()
|> MapSet.new()
new_keys =
new_value
|> Keyword.keys()
|> MapSet.new()
intersect_keys = old_keys |> MapSet.intersection(new_keys) |> MapSet.to_list()
subkeys = sub_key_full_update(group, key, intersect_keys)
intersect_keys =
old_value |> to_map_set() |> MapSet.intersection(new_keys) |> MapSet.to_list()
merged_value = ConfigDB.merge(old_value, new_value)
Enum.reduce(subkeys, merged_value, fn subkey, acc ->
@full_subkey_update
|> Enum.map(fn
{g, k, subkey} when g == group and k == key ->
if subkey in intersect_keys, do: subkey, else: []
_ ->
[]
end)
|> List.flatten()
|> Enum.reduce(merged_value, fn subkey, acc ->
Keyword.put(acc, subkey, new_value[subkey])
end)
end
defp to_map_set(keyword) do
keyword
|> Keyword.keys()
|> MapSet.new()
end
@spec sub_key_full_update?(atom(), atom(), [Keyword.key()]) :: boolean()
def sub_key_full_update?(group, key, subkeys) do
Enum.any?(@full_subkey_update, fn {g, k, subkey} ->
@ -116,17 +138,7 @@ defmodule Pleroma.ConfigDB do
end)
end
defp sub_key_full_update(group, key, subkeys) do
Enum.map(@full_subkey_update, fn
{g, k, subkey} when g == group and k == key ->
if subkey in subkeys, do: subkey, else: []
_ ->
[]
end)
|> List.flatten()
end
@spec merge(keyword(), keyword()) :: keyword()
def merge(config1, config2) when is_list(config1) and is_list(config2) do
Keyword.merge(config1, config2, fn _, app1, app2 ->
if Keyword.keyword?(app1) and Keyword.keyword?(app2) do
@ -145,31 +157,6 @@ defmodule Pleroma.ConfigDB do
end
end
@full_key_update [
{:pleroma, :ecto_repos},
{:quack, :meta},
{:mime, :types},
{:cors_plug, [:max_age, :methods, :expose, :headers]},
{:auto_linker, :opts},
{:swarm, :node_blacklist},
{:logger, :backends}
]
defp only_full_update?(%ConfigDB{} = config) do
config_group = ConfigDB.from_string(config.group)
config_key = ConfigDB.from_string(config.key)
Enum.any?(@full_key_update, fn
{group, key} when is_list(key) ->
config_group == group and config_key in key
{group, key} ->
config_group == group and config_key == key
end)
end
defp can_be_partially_updated?(%ConfigDB{} = config), do: not only_full_update?(config)
@spec update_or_create(map()) :: {:ok, ConfigDB.t()} | {:error, Changeset.t()}
def update_or_create(params) do
search_opts = Map.take(params, [:group, :key])
@ -181,7 +168,7 @@ defmodule Pleroma.ConfigDB do
transformed_value <- do_transform(params[:value]),
{:can_be_merged, true, config} <- {:can_be_merged, is_list(transformed_value), config},
new_value <-
deep_merge(
merge_group(
ConfigDB.from_string(config.group),
ConfigDB.from_string(config.key),
old_value,
@ -197,6 +184,21 @@ defmodule Pleroma.ConfigDB do
end
end
defp can_be_partially_updated?(%ConfigDB{} = config), do: not only_full_update?(config)
defp only_full_update?(%ConfigDB{} = config) do
config_group = ConfigDB.from_string(config.group)
config_key = ConfigDB.from_string(config.key)
Enum.any?(@full_key_update, fn
{group, key} when is_list(key) ->
config_group == group and config_key in key
{group, key} ->
config_group == group and config_key == key
end)
end
@spec delete(map()) :: {:ok, ConfigDB.t()} | {:error, Changeset.t()} | {:ok, nil}
def delete(params) do
search_opts = Map.delete(params, :subkeys)
@ -286,18 +288,24 @@ defmodule Pleroma.ConfigDB do
}
end
# TODO: will become useless after removing hackney
defp do_convert({:partial_chain, entity}), do: %{"tuple" => [":partial_chain", inspect(entity)]}
defp do_convert(entity) when is_tuple(entity),
do: %{"tuple" => do_convert(Tuple.to_list(entity))}
defp do_convert(entity) when is_tuple(entity) do
value =
entity
|> Tuple.to_list()
|> do_convert()
defp do_convert(entity) when is_boolean(entity) or is_number(entity) or is_nil(entity),
do: entity
%{"tuple" => value}
end
defp do_convert(entity) when is_boolean(entity) or is_number(entity) or is_nil(entity) do
entity
end
defp do_convert(entity)
when is_atom(entity) and entity in [:"tlsv1.1", :"tlsv1.2", :"tlsv1.3"] do
":#{to_string(entity)}"
":#{entity}"
end
defp do_convert(entity) when is_atom(entity), do: inspect(entity)
@ -325,7 +333,6 @@ defmodule Pleroma.ConfigDB do
{:proxy_url, {do_transform_string(type), parse_host(host), port}}
end
# TODO: will become useless after removing hackney
defp do_transform(%{"tuple" => [":partial_chain", entity]}) do
{partial_chain, []} =
entity
@ -369,10 +376,9 @@ defmodule Pleroma.ConfigDB do
end
end
@delimiters ["/", "|", "\"", "'", {"(", ")"}, {"[", "]"}, {"{", "}"}, {"<", ">"}]
defp find_valid_delimiter([], _string, _),
do: raise(ArgumentError, message: "valid delimiter for Regex expression not found")
defp find_valid_delimiter([], _string, _) do
raise(ArgumentError, message: "valid delimiter for Regex expression not found")
end
defp find_valid_delimiter([{leading, closing} = delimiter | others], pattern, regex_delimiter)
when is_tuple(delimiter) do
@ -391,11 +397,9 @@ defmodule Pleroma.ConfigDB do
end
end
@regex_parts ~r/^~r(?'delimiter'[\/|"'([{<]{1})(?'pattern'.+)[\/|"')\]}>]{1}(?'modifier'[uismxfU]*)/u
defp do_transform_string("~r" <> _pattern = regex) do
with %{"modifier" => modifier, "pattern" => pattern, "delimiter" => regex_delimiter} <-
Regex.named_captures(@regex_parts, regex),
Regex.named_captures(@regex, regex),
{:ok, {leading, closing}} <- find_valid_delimiter(@delimiters, pattern, regex_delimiter),
{result, _} <- Code.eval_string("~r#{leading}#{pattern}#{closing}#{modifier}") do
result

23
lib/pleroma/config/holder.ex
View File

@ -1,29 +1,16 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Config.Holder do
@config Pleroma.Config.Loader.load_and_merge()
@spec config() :: keyword()
def config do
@config
|> Keyword.keys()
|> Enum.map(&filter(&1, config(&1)))
|> List.flatten()
end
def config, do: @config
@spec config(atom()) :: any()
def config(group), do: @config[group]
@spec config(atom(), atom()) :: any()
def config(group, key), do: @config[group][key]
defp filter(group, settings) when group not in [:swarm] do
filtered =
Enum.reject(settings, fn {k, _v} ->
k in [Pleroma.Repo, Pleroma.Web.Endpoint, :env, :configurable_from_database] or
(group == :phoenix and k == :serve_endpoints)
end)
{group, filtered}
end
defp filter(_, _), do: []
end

36
lib/pleroma/config/loader.ex
View File

@ -1,6 +1,19 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Config.Loader do
@paths ["config/config.exs", "config/#{Mix.env()}.exs"]
@reject_keys [
Pleroma.Repo,
Pleroma.Web.Endpoint,
:env,
:configurable_from_database,
:database,
:swarm
]
if Code.ensure_loaded?(Config.Reader) do
@spec load(Path.t()) :: keyword()
def load(path), do: Config.Reader.read!(path)
@ -10,8 +23,9 @@ defmodule Pleroma.Config.Loader do
# support for Elixir less than 1.9
@spec load(Path.t()) :: keyword()
def load(path) do
{config, _paths} = Mix.Config.eval!(path)
config
path
|> Mix.Config.eval!()
|> elem(0)
end
defp do_merge(conf1, conf2), do: Mix.Config.merge(conf1, conf2)
@ -26,14 +40,20 @@ defmodule Pleroma.Config.Loader do
all_paths
|> Enum.map(&load(&1))
|> merge()
|> Enum.reduce([], &do_merge(&2, &1))
|> filter()
end
@spec merge([keyword()], keyword()) :: keyword()
def merge(configs, acc \\ [])
def merge([], acc), do: acc
defp filter(configs) do
configs
|> Keyword.keys()
|> Enum.reduce([], &Keyword.put(&2, &1, filter_group(&1, configs)))
end
def merge([config | others], acc) do
merge(others, do_merge(acc, config))
@spec filter_group(atom(), keyword()) :: keyword()
def filter_group(group, configs) do
Enum.reject(configs[group], fn {key, _v} ->
key in @reject_keys or (group == :phoenix and key == :serve_endpoints)
end)
end
end

53
lib/pleroma/config/transfer_task.ex
View File

@ -37,31 +37,29 @@ defmodule Pleroma.Config.TransferTask do
group = ConfigDB.from_string(setting.group)
value = ConfigDB.from_binary(setting.value)
if group != :phoenix and key != :serve_endpoints do
default = Pleroma.Config.Holder.config(group, key)
default = Pleroma.Config.Holder.config(group, key)
merged_value =
if can_be_merged?(default, value) do
ConfigDB.deep_merge(group, key, default, value)
else
value
end
:ok = Application.put_env(group, key, merged_value)
if group != :logger do
group
merged_value =
if can_be_merged?(default, value) do
ConfigDB.merge_group(group, key, default, value)
else
# change logger configuration in runtime, without restart
if Keyword.keyword?(merged_value) and
key not in [:compile_time_application, :backends, :compile_time_purge_matching] do
Logger.configure_backend(key, merged_value)
else
Logger.configure([{key, merged_value}])
end
nil
value
end
:ok = Application.put_env(group, key, merged_value)
if group != :logger do
group
else
# change logger configuration in runtime, without restart
if Keyword.keyword?(merged_value) and
key not in [:compile_time_application, :backends, :compile_time_purge_matching] do
Logger.configure_backend(key, merged_value)
else
Logger.configure([{key, merged_value}])
end
nil
end
rescue
e ->
@ -80,13 +78,16 @@ defmodule Pleroma.Config.TransferTask do
:ok <- Application.stop(app) do
:ok = Application.start(app)
else
nil -> Logger.warn("#{app} is not started.")
error -> Logger.warn(inspect(error))
nil ->
Logger.warn("#{app} is not started.")
error ->
error
|> inspect()
|> Logger.warn()
end
end
defp can_be_merged?(val1, val2) when is_map(val1) and is_map(val2), do: true
defp can_be_merged?(val1, val2) when is_list(val1) and is_list(val2) do
Keyword.keyword?(val1) and Keyword.keyword?(val2)
end

2
lib/pleroma/web/admin_api/admin_api_controller.ex
View File

@ -848,7 +848,7 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
merged_value =
if !is_nil(db_value) and Keyword.keyword?(db_value) and
ConfigDB.sub_key_full_update?(group, key, Keyword.keys(db_value)) do
ConfigDB.deep_merge(group, key, value, db_value)
ConfigDB.merge_group(group, key, value, db_value)
else
value
end

34
test/config/holder_test.exs Normal file
View File

@ -0,0 +1,34 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Config.HolderTest do
use ExUnit.Case, async: true
alias Pleroma.Config.Holder
test "config/0" do
config = Holder.config()
assert config[:pleroma][Pleroma.Uploaders.Local][:uploads] == "test/uploads"
assert config[:tesla][:adapter] == Tesla.Mock
refute config[:pleroma][Pleroma.Repo]
refute config[:pleroma][Pleroma.Web.Endpoint]
refute config[:pleroma][:env]
refute config[:pleroma][:configurable_from_database]
refute config[:pleroma][:database]
refute config[:phoenix][:serve_endpoints]
end
test "config/1" do
pleroma_config = Holder.config(:pleroma)
assert pleroma_config[Pleroma.Uploaders.Local][:uploads] == "test/uploads"
tesla_config = Holder.config(:tesla)
assert tesla_config[:adapter] == Tesla.Mock
end
test "config/2" do
assert Holder.config(:pleroma, Pleroma.Uploaders.Local) == [uploads: "test/uploads"]
assert Holder.config(:tesla, :adapter) == Tesla.Mock
end
end

44
test/config/loader_test.exs Normal file
View File

@ -0,0 +1,44 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Config.LoaderTest do
use ExUnit.Case, async: true
alias Pleroma.Config.Loader
test "load/1" do
config = Loader.load("test/fixtures/config/temp.secret.exs")
assert config[:pleroma][:first_setting][:key] == "value"
assert config[:pleroma][:first_setting][:key2] == [Pleroma.Repo]
assert config[:quack][:level] == :info
end
test "load_and_merge/0" do
config = Loader.load_and_merge()
refute config[:pleroma][Pleroma.Repo]
refute config[:pleroma][Pleroma.Web.Endpoint]
refute config[:pleroma][:env]
refute config[:pleroma][:configurable_from_database]
refute config[:pleroma][:database]
refute config[:phoenix][:serve_endpoints]
assert config[:pleroma][:ecto_repos] == [Pleroma.Repo]
assert config[:pleroma][Pleroma.Uploaders.Local][:uploads] == "test/uploads"
assert config[:tesla][:adapter] == Tesla.Mock
end
test "filter_group/2" do
assert Loader.filter_group(:pleroma,
pleroma: [
{Pleroma.Repo, [a: 1, b: 2]},
{Pleroma.Upload, [a: 1, b: 2]},
{Pleroma.Web.Endpoint, []},
env: :test,
configurable_from_database: true,
database: []
]
) == [{Pleroma.Upload, [a: 1, b: 2]}]
end
end