Add: 管理画面で特に負荷の大きい処理を無効にする環境変数 (#633)

app/helpers/high_load_helper.rb

@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+module HighLoadHelper
+  def allow_high_load?
+    ENV.fetch('ALLOW_HIGH_LOAD', 'true') == 'true'
+  end
+  module_function :allow_high_load?
+end

app/javascript/mastodon/components/admin/Counter.jsx

@@ -1,7 +1,7 @@
 import PropTypes from 'prop-types';
 import { PureComponent } from 'react';
 
-import { FormattedNumber } from 'react-intl';
+import { FormattedNumber, FormattedMessage } from 'react-intl';
 
 import classNames from 'classnames';
 
@@ -43,6 +43,7 @@ export default class Counter extends PureComponent {
   state = {
     loading: true,
     data: null,
+    empty: false,
   };
 
   componentDidMount () {
@@ -52,6 +53,7 @@ export default class Counter extends PureComponent {
       this.setState({
         loading: false,
         data: res.data,
+        empty: res.data.length === 0,
       });
     }).catch(err => {
       console.error(err);
@@ -60,7 +62,7 @@ export default class Counter extends PureComponent {
 
   render () {
     const { label, href, target } = this.props;
-    const { loading, data } = this.state;
+    const { loading, data, empty } = this.state;
 
     let content;
 
@@ -71,6 +73,12 @@ export default class Counter extends PureComponent {
           <span className='sparkline__value__change'><Skeleton width={43} /></span>
         </>
       );
+    } else if (empty) {
+      content = (
+        <span className='sparkline__value__change'>
+          <FormattedMessage id='admin.dimenssions.disabled_key' defaultMessage='This information is invalid.' />
+        </span>
+      );
     } else {
       const measure = data[0];
       const percentChange = measure.previous_total && percIncrease(measure.previous_total * 1, measure.total * 1);
@@ -94,7 +102,7 @@ export default class Counter extends PureComponent {
         </div>
 
         <div className='sparkline__graph'>
-          {!loading && (
+          {!loading && !empty && (
             <Sparklines width={259} height={55} data={data[0].data.map(x => x.value * 1)}>
               <SparklinesCurve />
             </Sparklines>

app/javascript/mastodon/components/admin/Dimension.jsx

@@ -1,7 +1,7 @@
 import PropTypes from 'prop-types';
 import { PureComponent } from 'react';
 
-import { FormattedNumber } from 'react-intl';
+import { FormattedNumber, FormattedMessage } from 'react-intl';
 
 import api from 'mastodon/api';
 import { Skeleton } from 'mastodon/components/skeleton';
@@ -21,6 +21,7 @@ export default class Dimension extends PureComponent {
   state = {
     loading: true,
     data: null,
+    empty: false,
   };
 
   componentDidMount () {
@@ -30,6 +31,7 @@ export default class Dimension extends PureComponent {
       this.setState({
         loading: false,
         data: res.data,
+        empty: res.data.length === 0,
       });
     }).catch(err => {
       console.error(err);
@@ -38,7 +40,7 @@ export default class Dimension extends PureComponent {
 
   render () {
     const { label, limit } = this.props;
-    const { loading, data } = this.state;
+    const { loading, data, empty } = this.state;
 
     let content;
 
@@ -60,6 +62,18 @@ export default class Dimension extends PureComponent {
           </tbody>
         </table>
       );
+    } else if (empty) {
+      content = (
+        <table>
+          <tbody>
+            <tr className='dimension__item'>
+              <td className='dimension__item__value' colSpan={2}>
+                <FormattedMessage id='admin.dimenssions.disabled_key' defaultMessage='This information is invalid.' />
+              </td>
+            </tr>
+          </tbody>
+        </table>
+      );
     } else {
       const sum = data[0].data.reduce((sum, cur) => sum + (cur.value * 1), 0);
 

app/javascript/mastodon/locales/en.json

@@ -89,6 +89,7 @@
   "admin.dashboard.retention.average": "Average",
   "admin.dashboard.retention.cohort": "Sign-up month",
   "admin.dashboard.retention.cohort_size": "New users",
+  "admin.dimenssions.disabled_key": "This information is invalid.",
   "admin.impact_report.instance_accounts": "Accounts profiles this would delete",
   "admin.impact_report.instance_followers": "Followers our users would lose",
   "admin.impact_report.instance_follows": "Followers their users would lose",

app/javascript/mastodon/locales/ja.json

@@ -88,6 +88,7 @@
   "admin.dashboard.retention.average": "平均",
   "admin.dashboard.retention.cohort": "サインアップ月",
   "admin.dashboard.retention.cohort_size": "新しいユーザー",
+  "admin.dimenssions.disabled_key": "この情報は無効です。",
   "admin.impact_report.instance_accounts": "プロフィール情報が削除されるアカウントの数",
   "admin.impact_report.instance_followers": "このサーバーのユーザーが失うフォロワー数",
   "admin.impact_report.instance_follows": "対象のサーバーのユーザーが失うフォロワー数",

app/lib/admin/metrics/dimension.rb

@@ -14,6 +14,8 @@ class Admin::Metrics::Dimension
   }.freeze
 
   def self.retrieve(dimension_keys, start_at, end_at, limit, params)
+    dimension_keys.delete('servers') unless HighLoadHelper.allow_high_load?
+
     Array(dimension_keys).filter_map do |key|
       klass = DIMENSIONS[key.to_sym]
       klass&.new(start_at, end_at, limit, klass.with_params? ? params.require(key.to_sym) : nil)

app/lib/admin/metrics/measure.rb

@@ -19,6 +19,8 @@ class Admin::Metrics::Measure
   }.freeze
 
   def self.retrieve(measure_keys, start_at, end_at, params)
+    measure_keys.delete('instance_statuses') unless HighLoadHelper.allow_high_load?
+
     Array(measure_keys).filter_map do |key|
       klass = MEASURES[key.to_sym]
       klass&.new(start_at, end_at, klass.with_params? ? params.require(key.to_sym) : nil)