added need_reboot endpoint to admin api

CHANGELOG.md

@@ -25,6 +25,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ### Fixed
 - Logger configuration through AdminFE
 
+### Added
+<details>
+  <summary>API Changes</summary>
+- Admin API: `GET /api/pleroma/admin/need_reboot`.
+</details>
+
 ## [2.0.2] - 2020-04-08
 ### Added
 - Support for Funkwhale's `Audio` activity

docs/API/admin_api.md

@@ -786,6 +786,8 @@ Note: Available `:permission_group` is currently moderator and admin. 404 is ret
 
 ### Restarts pleroma application
 
+**Only works when configuration from database is enabled.**
+
 - Params: none
 - Response:
   - On failure:
@@ -795,11 +797,24 @@ Note: Available `:permission_group` is currently moderator and admin. 404 is ret
 {}
 ```
 
+## `GET /api/pleroma/admin/need_reboot`
+
+### Returns the flag whether the pleroma should be restarted
+
+- Params: none
+- Response:
+  - `need_reboot` - boolean
+```json
+{
+  "need_reboot": false
+}
+```
+
 ## `GET /api/pleroma/admin/config`
 
 ### Get list of merged default settings with saved in database.
 
-*If `need_reboot` flag exists in response, instance must be restarted, so reboot time settings can take effect.*
+*If `need_reboot` is `true`, instance must be restarted, so reboot time settings can take effect.*
 
 **Only works when configuration from database is enabled.**
 
@@ -821,13 +836,12 @@ Note: Available `:permission_group` is currently moderator and admin. 404 is ret
   "need_reboot": true
 }
 ```
- need_reboot - *optional*, if were changed reboot time settings.
 
 ## `POST /api/pleroma/admin/config`
 
 ### Update config settings
 
-*If `need_reboot` flag exists in response, instance must be restarted, so reboot time settings can take effect.*
+*If `need_reboot` is `true`, instance must be restarted, so reboot time settings can take effect.*
 
 **Only works when configuration from database is enabled.**
 
@@ -971,7 +985,6 @@ config :quack,
   "need_reboot": true
 }
 ```
-need_reboot - *optional*, if were changed reboot time settings.
 
 ## ` GET /api/pleroma/admin/config/descriptions`
 

lib/pleroma/web/admin_api/admin_api_controller.ex

@@ -914,16 +914,7 @@ def config_show(conn, _params) do
         end)
         |> List.flatten()
 
-      response = %{configs: merged}
+      json(conn, %{configs: merged, need_reboot: Restarter.Pleroma.need_reboot?()})
-
-      response =
-        if Restarter.Pleroma.need_reboot?() do
-          Map.put(response, :need_reboot, true)
-        else
-          response
-        end
-
-      json(conn, response)
     end
   end
 
@@ -950,28 +941,22 @@ def config_update(conn, %{"configs" => configs}) do
 
       Config.TransferTask.load_and_update_env(deleted, false)
 
-      need_reboot? =
+      if !Restarter.Pleroma.need_reboot?() do
-        Restarter.Pleroma.need_reboot?() ||
+        changed_reboot_settings? =
-          Enum.any?(updated, fn config ->
+          (updated ++ deleted)
+          |> Enum.any?(fn config ->
             group = ConfigDB.from_string(config.group)
             key = ConfigDB.from_string(config.key)
             value = ConfigDB.from_binary(config.value)
             Config.TransferTask.pleroma_need_restart?(group, key, value)
           end)
 
-      response = %{configs: updated}
+        if changed_reboot_settings?, do: Restarter.Pleroma.need_reboot()
-
+      end
-      response =
-        if need_reboot? do
-          Restarter.Pleroma.need_reboot()
-          Map.put(response, :need_reboot, need_reboot?)
-        else
-          response
-        end
 
       conn
       |> put_view(ConfigView)
-      |> render("index.json", response)
+      |> render("index.json", %{configs: updated, need_reboot: Restarter.Pleroma.need_reboot?()})
     end
   end
 
@@ -983,6 +968,10 @@ def restart(conn, _params) do
     end
   end
 
+  def need_reboot(conn, _params) do
+    json(conn, %{need_reboot: Restarter.Pleroma.need_reboot?()})
+  end
+
   defp configurable_from_database(conn) do
     if Config.get(:configurable_from_database) do
       :ok

lib/pleroma/web/router.ex

@@ -203,6 +203,7 @@ defmodule Pleroma.Web.Router do
     get("/config", AdminAPIController, :config_show)
     post("/config", AdminAPIController, :config_update)
     get("/config/descriptions", AdminAPIController, :config_descriptions)
+    get("/need_reboot", AdminAPIController, :need_reboot)
     get("/restart", AdminAPIController, :restart)
 
     get("/moderation_log", AdminAPIController, :list_log)

test/web/admin_api/admin_api_controller_test.exs

@@ -2110,7 +2110,7 @@ test "saving config which need pleroma reboot", %{conn: conn} do
         |> get("/api/pleroma/admin/config")
         |> json_response(200)
 
-      refute Map.has_key?(configs, "need_reboot")
+      assert configs["need_reboot"] == false
     end
 
     test "update setting which need reboot, don't change reboot flag until reboot", %{conn: conn} do
@@ -2166,7 +2166,7 @@ test "update setting which need reboot, don't change reboot flag until reboot",
         |> get("/api/pleroma/admin/config")
         |> json_response(200)
 
-      refute Map.has_key?(configs, "need_reboot")
+      assert configs["need_reboot"] == false
     end
 
     test "saving config with nested merge", %{conn: conn} do
@@ -2861,6 +2861,20 @@ test "pleroma restarts", %{conn: conn} do
     end
   end
 
+  test "need_reboot flag", %{conn: conn} do
+    assert conn
+           |> get("/api/pleroma/admin/need_reboot")
+           |> json_response(200) == %{"need_reboot" => false}
+
+    Restarter.Pleroma.need_reboot()
+
+    assert conn
+           |> get("/api/pleroma/admin/need_reboot")
+           |> json_response(200) == %{"need_reboot" => true}
+
+    on_exit(fn -> Restarter.Pleroma.refresh() end)
+  end
+
   describe "GET /api/pleroma/admin/statuses" do
     test "returns all public and unlisted statuses", %{conn: conn, admin: admin} do
       blocked = insert(:user)