Add maintenance page

Makefile

@@ -110,6 +110,7 @@ ifeq ($(OS),Windows_NT)
 	DS_ROOT := ..
 	DS_FILES := ../server
 	DS_EXAMLE := ../example
+        DS_MAINTENANCE:= ../maintenance
 	DEV_NULL := nul
 	ifeq ($(PROCESSOR_ARCHITECTURE),AMD64)
 		ARCHITECTURE := 64
@@ -132,6 +133,7 @@ else
 		DS_ROOT := /var/www/$(DS_PREFIX)
 		DS_FILES := /var/lib/$(DS_PREFIX)
 		DS_EXAMLE := /var/www/$(DS_PREFIX)-example
+		DS_MAINTENANCE:= ../var/www/$(DS_PREFIX)/maintenance
 		DEV_NULL := /dev/null
 	endif
 	ifeq ($(UNAME_S),Darwin)
@@ -146,6 +148,7 @@ else
 		DS_ROOT := /var/www/onlyoffice/documentserver/
 		DS_FILES := /var/lib/onlyoffice/documentserver/
 		DS_EXAMLE := /var/www/onlyoffice/documentserver-example
+                DS_MAINTENANCE := /var/www/onlyoffice/documentserver/maintenance
 		DEV_NULL := /dev/null
 	endif
 	UNAME_M := $(shell uname -m)

common/documentserver/bin/documentserver-wait-config.bat

@@ -0,0 +1,27 @@
+rem This script in checking document-server status, and after check passed removing maintenance page
+
+@echo off
+
+set "MAINTENANCE_NGINX_CONF=..\nginx\conf\includes\ds-0maintenance.conf" 
+set "SERVER_URL=http://localhost:8000/healthcheck"
+set /a "timer=1"
+
+:loop
+   for /f "delims=" %%a in ('
+       curl -s -o nul -w "%%{http_code}" %SERVER_URL%
+   ') do set "status=%%a"&set "timer=%timer%+1"
+
+   if not "%status%"=="200" ( 
+        if not "%timer%"=="40" (
+       echo Server not reachable... trying again...
+        ) 
+   )
+   else ( 
+      echo Server reachable! Success! 
+      del "%MAINTENANCE_NGINX_CONF%" 
+      goto :continue
+  ) 
+  timeout /t 5 /nobreak 
+  goto :loop 
+
+:continue

common/documentserver/bin/documentserver-wait-config.sh.m4

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+NGINX_INCLUDES="/etc/nginx/includes/"
+SERVER_URL=http://localhost:8000/healthcheck
+TIMER=5
+
+echo "DocumentServer starting up, please wait ..."
+
+while [ $TIMER != 230 ] && [ "$STATUS" != "200" ]
+do
+  STATUS=$(curl -s -o /dev/null -w "%{http_code}\n" $SERVER_URL)
+  TIMER=$(( $TIMER + 5 ))
+  sleep 5
+done
+echo "DocumentServer is ready"
+
+  # back nginx config links to default condition
+  rm -f ${NGINX_INCLUDES}ds-0maintenance.conf
+  service nginx reload >/dev/null 2>&1
+
+exit 0

common/documentserver/home/maintenance/css/stylesheet.css

@@ -0,0 +1,222 @@
+/**
+ *
+ * (c) Copyright Ascensio System SIA 2021
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+ html {
+    height: 100%;
+    width: 100%;
+}
+
+body {
+    background: #fff;
+    color: #333333;
+    font-family: 'Open Sans', sans-serif;
+    font-size: 12px;
+    font-weight: normal;
+    height: 100%;
+    margin: 0;
+    padding: 0;
+    text-decoration: none;
+}
+
+div {
+    margin: 0;
+    padding: 0;
+}
+
+a, a:hover, a:visited {
+    color: #FF6F3D;
+}
+
+a:hover {
+    text-decoration: none;
+}
+
+.black-block {
+    background: #333333;
+    color: #FFFFFF;
+}
+
+.black-block .content-block {
+    background-image: url(../css/footer_help.svg), url(../css/footer_github.svg);
+    background-position: 0 64px, 100% 100px;
+    background-repeat: no-repeat;
+    box-sizing: border-box;
+    padding-left: 96px;
+}
+
+.black-block p {
+    color: #C4C4C4;
+    max-width: 736px;
+}
+
+.button {
+    background: #FF6F3D;
+    border-radius: 3px;
+    color: #FFFFFF;
+    display: inline-block;
+    font-weight: 600;
+    line-height: 133%;
+    letter-spacing: 0.04em;
+    margin-top: 24px;
+    padding: 16px 40px;
+    text-align: center;
+    text-transform: uppercase;
+}
+
+.button:hover {
+    background: #ff7a4b;
+}
+
+.content-block {
+    margin: 0 auto;
+    padding: 64px 0;
+    width: 1120px;
+}
+
+.content-block p {
+    font-size: 16px;
+    line-height: 160%;
+    margin: 0;
+    padding-bottom: 24px;
+}
+
+.content-block pre~p {
+    margin-top: 24px;
+}
+
+.content-block p.p-small {
+    font-size: 14px;
+}
+
+.features-list{
+    font-size: 14px;
+}
+
+h1, h2, h3, h6 {
+    margin: 0;
+    padding: 0;
+}
+
+h1 {
+    font-weight: 700;
+    font-size: 24px;
+    letter-spacing: -0.02em;
+    line-height: 133%;
+    padding-bottom: 24px;
+}
+
+h2 {
+    font-weight: 700;
+    font-size: 18px;
+    line-height: 133%;
+    letter-spacing: -0.02em;
+    padding-bottom: 16px;
+}
+
+h3 {
+    font-weight: 700;
+    font-size: 14px;
+    line-height: 133%;
+}
+
+h6 {
+    font-weight: normal;
+    font-size: 18px;
+    line-height: 160%;
+}
+
+header {
+    background: #333333;
+    height: 48px;
+    margin: 0 auto;
+    width: auto;
+}
+
+header img {
+    margin: 10px 0 22px 32px;
+}
+
+.gray-block {
+    background: #F5F5F5;
+}
+
+.gray-block .content-block {
+    padding-bottom: 56px;
+}
+
+.links-block {
+    font-size: 14px;
+    font-weight: 600;
+    padding: 8px 0;
+}
+
+.links-block a {
+    font-size: 14px;
+    font-weight: normal;
+    line-height: 160%;
+    margin: 0 6px 0 2px;
+}
+
+.links-block a:first-child {
+    margin-left: 0;
+}
+
+.orange-text {
+    color: #FF6F3D;
+}
+
+pre {
+    border: 1px solid #666666;
+    background-color: #F9F9F9;
+    border-radius: 3px;
+    color: #666666;
+    display: block;
+    font-family: 'Open Sans', Monaco, Andale Mono, Courier New, monospace;
+    font-weight: normal;
+    font-size: 14px;
+    line-height: 160%;
+    margin: 8px 0 0;
+    padding: 16px;
+    white-space: pre-wrap;
+    word-wrap: break-word;
+}
+
+pre~h3 {
+    padding-top: 40px;
+}
+
+footer {
+    color: #AAAAAA;
+    font-size: 13px;
+    line-height: 160%;
+    margin: 0;
+    padding: 0;
+    width: auto;
+}
+
+@media screen and (max-width: 1199px) {
+    .black-block p {
+        width: 55vw;
+    }
+    .content-block {
+        width: 90.6vw;
+    }
+    header img {
+        margin-left: 4.8vw;
+    }
+}