use FastAPI as webserver

Author: yankee42

openwb-install.sh

@@ -5,7 +5,7 @@ echo "installing openWB 2 into \"${OPENWBBASEDIR}\""
 
 echo "install required packages..."
 apt-get update
-apt-get -q -y install vim bc apache2 php php-gd php-curl php-xml php-json libapache2-mod-php jq git mosquitto mosquitto-clients socat python3-pip sshpass
+apt-get -q -y install vim bc jq git mosquitto mosquitto-clients socat python3-pip sshpass
 echo "done"
 
 echo "check for initial git clone..."
@@ -71,21 +71,6 @@ echo "mosquitto done"
 # 	echo "EXTRA_OPTS=\"-L 0\"" >> /etc/default/cron
 # fi
 
-# apache
-echo -n "replacing apache default page..."
-sudo cp ${OPENWBBASEDIR}/index.html /var/www/html/index.html
-echo "done"
-echo -n "fix upload limit..."
-if [ -d "/etc/php/7.3/" ]; then
-	sudo /bin/su -c "echo 'upload_max_filesize = 300M' > /etc/php/7.3/apache2/conf.d/20-uploadlimit.ini"
-	sudo /bin/su -c "echo 'post_max_size = 300M' >> /etc/php/7.3/apache2/conf.d/20-uploadlimit.ini"
-	echo "done (OS Buster)"
-elif [ -d "/etc/php/7.4/" ]; then
-	sudo /bin/su -c "echo 'upload_max_filesize = 300M' > /etc/php/7.4/apache2/conf.d/20-uploadlimit.ini"
-	sudo /bin/su -c "echo 'post_max_size = 300M' >> /etc/php/7.4/apache2/conf.d/20-uploadlimit.ini"
-	echo "done (OS Bullseye)"
-fi
-
 echo "installing python requirements..."
 sudo pip install -r ${OPENWBBASEDIR}/requirements.txt
 

packages/main.py

@@ -7,6 +7,7 @@
 import traceback
 from threading import Thread
 
+import web
 from modules import loadvars
 from modules import configuration
 from helpermodules import update_config
@@ -155,6 +156,7 @@ def repeated_handler_call():
 
 
 try:
+    Thread(target=web.run_webserver).start()
     # Regelung erst starten, wenn atreboot.sh fertig ist.
     MainLogger().debug("Warten auf das Ende des Boot-Prozesses")
     while os.path.isfile(os.path.dirname(os.path.abspath(__file__)) + "/../ramdisk/bootdone") is False:

packages/web/__init__.py

@@ -0,0 +1 @@
+from web._server import run_webserver

packages/web/_server.py

@@ -0,0 +1,30 @@
+import time
+from pathlib import Path
+
+import fastapi.responses
+import uvicorn
+from fastapi import FastAPI
+from fastapi.staticfiles import StaticFiles
+from starlette import status
+from starlette.responses import FileResponse
+
+
+def run_webserver():
+    openwb_root = Path(__file__).parents[2]
+
+    app = FastAPI()
+
+    @app.get("/")
+    async def root():
+        return fastapi.responses.RedirectResponse("/web/", status.HTTP_303_SEE_OTHER)
+
+    @app.get("/web/")
+    async def web_root():
+        return FileResponse(openwb_root.joinpath("web", "themes", "standard", "theme.html"))
+
+    @app.get("/sample")
+    async def sample():
+        return f"Hello world! Time is {time.time()}"
+
+    app.mount("/web", StaticFiles(directory=openwb_root / "web", html=True), name="static")
+    uvicorn.run(app, host="0.0.0.0", port=80)

requirements.txt

@@ -3,3 +3,5 @@ paho_mqtt==1.6.1
 pymodbus==2.5.2
 pytest==6.2.5
 requests_mock==1.9.3
+fastapi==0.70.1
+uvicorn==0.16.0

runs/atreboot.sh

@@ -45,16 +45,6 @@ echo "LAN/WLAN..."
 # alpha image restricted to LAN only
 sudo ifconfig eth0:0 192.168.193.5 netmask 255.255.255.0 up
 
-# check for apache configuration
-echo "apache..."
-if grep -Fxq "AllowOverride" /etc/apache2/sites-available/000-default.conf
-then
-	echo "...ok"
-else
-	sudo cp ${OPENWBBASEDIR}/data/config/000-default.conf /etc/apache2/sites-available/
-	echo "...changed"
-fi
-
 # check for needed packages
 echo "apt packages..."
 # nothing here yet, all in install.sh