1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Config.TransferTask do
use Task
alias Pleroma.Config
alias Pleroma.ConfigDB
alias Pleroma.Repo
require Logger
@type env() :: :test | :benchmark | :dev | :prod
defp reboot_time_keys,
do: [
{:pleroma, :hackney_pools},
{:pleroma, :shout},
{:pleroma, Oban},
{:pleroma, :rate_limit},
{:pleroma, :markup},
{:pleroma, :streamer},
{:pleroma, :pools},
{:pleroma, :connections_pool}
]
defp reboot_time_subkeys,
do: [
{:pleroma, Pleroma.Captcha, [:seconds_valid]},
{:pleroma, Pleroma.Upload, [:proxy_remote]},
{:pleroma, :instance, [:upload_limit]},
{:pleroma, :gopher, [:enabled]}
]
def start_link(restart_pleroma? \\ true) do
load_and_update_env([], restart_pleroma?)
if Config.get(:env) == :test, do: Ecto.Adapters.SQL.Sandbox.checkin(Repo)
:ignore
end
@spec load_and_update_env([ConfigDB.t()], boolean()) :: :ok
def load_and_update_env(deleted_settings \\ [], restart_pleroma? \\ true) do
with {_, true} <- {:configurable, Config.get(:configurable_from_database)} do
# We need to restart applications for loaded settings take effect
{logger, other} =
(Repo.all(ConfigDB) ++ deleted_settings)
|> Enum.map(&merge_with_default/1)
|> Enum.split_with(fn {group, _, _, _} -> group in [:logger] end)
logger
|> Enum.sort()
|> Enum.each(&configure/1)
started_applications = Application.started_applications()
# TODO: some problem with prometheus after restart!
reject = [nil, :prometheus, :postgrex]
reject =
if restart_pleroma? do
reject
else
[:pleroma | reject]
end
other
|> Enum.map(&update/1)
|> Enum.uniq()
|> Enum.reject(&(&1 in reject))
|> maybe_set_pleroma_last()
|> Enum.each(&restart(started_applications, &1, Config.get(:env)))
:ok
else
{:configurable, false} -> Restarter.Pleroma.rebooted()
end
end
defp maybe_set_pleroma_last(apps) do
# to be ensured that pleroma will be restarted last
if :pleroma in apps do
apps
|> List.delete(:pleroma)
|> List.insert_at(-1, :pleroma)
else
Restarter.Pleroma.rebooted()
apps
end
end
defp merge_with_default(%{group: group, key: key, value: value} = setting) do
default = Config.Holder.default_config(group, key)
merged =
cond do
Ecto.get_meta(setting, :state) == :deleted -> default
can_be_merged?(default, value) -> ConfigDB.merge_group(group, key, default, value)
true -> value
end
{group, key, value, merged}
end
# change logger configuration in runtime, without restart
defp configure({_, :backends, _, merged}) do
# removing current backends
Enum.each(Application.get_env(:logger, :backends), &Logger.remove_backend/1)
Enum.each(merged, &Logger.add_backend/1)
:ok = update_env(:logger, :backends, merged)
end
defp configure({_, key, _, merged}) when key in [:console, :ex_syslogger] do
merged =
if key == :console do
put_in(merged[:format], merged[:format] <> "\n")
else
merged
end
backend =
if key == :ex_syslogger,
do: {ExSyslogger, :ex_syslogger},
else: key
Logger.configure_backend(backend, merged)
:ok = update_env(:logger, key, merged)
end
defp configure({_, key, _, merged}) do
Logger.configure([{key, merged}])
:ok = update_env(:logger, key, merged)
end
defp update({group, key, value, merged}) do
try do
:ok = update_env(group, key, merged)
if group != :pleroma or pleroma_need_restart?(group, key, value), do: group
rescue
error ->
error_msg =
"updating env causes error, group: #{inspect(group)}, key: #{inspect(key)}, value: #{inspect(value)} error: #{inspect(error)}"
Logger.warn(error_msg)
nil
end
end
defp update_env(group, key, nil), do: Application.delete_env(group, key)
defp update_env(group, key, value), do: Application.put_env(group, key, value)
@spec pleroma_need_restart?(atom(), atom(), any()) :: boolean()
def pleroma_need_restart?(group, key, value) do
group_and_key_need_reboot?(group, key) or group_and_subkey_need_reboot?(group, key, value)
end
defp group_and_key_need_reboot?(group, key) do
Enum.any?(reboot_time_keys(), fn {g, k} -> g == group and k == key end)
end
defp group_and_subkey_need_reboot?(group, key, value) do
Keyword.keyword?(value) and
Enum.any?(reboot_time_subkeys(), fn {g, k, subkeys} ->
g == group and k == key and
Enum.any?(Keyword.keys(value), &(&1 in subkeys))
end)
end
defp restart(_, :pleroma, env), do: Restarter.Pleroma.restart_after_boot(env)
defp restart(started_applications, app, _) do
with {^app, _, _} <- List.keyfind(started_applications, app, 0),
:ok <- Application.stop(app) do
:ok = Application.start(app)
else
nil ->
Logger.warn("#{app} is not started.")
error ->
error
|> inspect()
|> Logger.warn()
end
end
defp can_be_merged?(val1, val2) when is_list(val1) and is_list(val2) do
Keyword.keyword?(val1) and Keyword.keyword?(val2)
end
defp can_be_merged?(_val1, _val2), do: false
end
|