multiplatform build

.gitignore

@@ -2,3 +2,5 @@ __pycache__
 devices.yml
 history.*
 data/
+*.iso
+*.cow

Dockerfile

@@ -1,4 +1,7 @@
-FROM python:3.12-alpine3.20 AS build_bluepy
+# This is the build stage for getting all python libs. Mainly it's for reducing the final image size because for building and installing the pips, many tools are needed which are just bloat to the final image.
+FROM python:3.12-alpine3.20 AS pip_build_stage
+
+COPY ./python/requierements.txt /
 
 RUN apk add \
     make \
@@ -8,17 +11,32 @@ RUN apk add \
     build-base \
     freetype-dev \
     libpng-dev \
-    openblas-dev
+    openblas-dev \
+    libxml2-dev \
+    libxslt-dev
 
+# BluePy needs to be build here... idk why but pip install fails on alpine somehow
 RUN git clone https://github.com/IanHarvey/bluepy.git && \
     cd bluepy && \
     python3.12 setup.py build && \
-    python3.12 setup.py install
+    python3.12 setup.py install && \
+    cd /
 
+# Normal pip install for pyyaml failed on RPI4, so I build it here
+RUN git clone https://github.com/yaml/pyyaml.git && \
+    cd pyyaml && \
+    python3.12 setup.py build && \
+    python3.12 setup.py install && \
+    cd /
+
+RUN pip3.12 install -r requierements.txt
+
+
+# This is the stage for the final image
 FROM python:3.12-alpine3.20
+
 WORKDIR /src
 COPY ./python/src/ .
-COPY ./python/requierements.txt .
 COPY ./python/docker_entrypoint.sh /
 RUN mkdir data
 RUN touch DOCKER
@@ -26,12 +44,10 @@ VOLUME /src/data
 
 RUN apk add --no-cache sudo bluez tzdata
 ENV TZ=Europe/Berlin
+ENV DOCKER=TRUE
 
-# Copy bluepy from the bluepy build stage
+# Copy pips from the pip build stage
-COPY --from=build_bluepy /usr/local/lib/python3.12/site-packages /usr/local/lib/python3.12/site-packages
+COPY --from=pip_build_stage /usr/local/lib/python3.12/site-packages /usr/local/lib/python3.12/site-packages
-COPY --from=build_bluepy /usr/local/bin /usr/local/bin
+COPY --from=pip_build_stage /usr/local/bin /usr/local/bin
-
-RUN pip3.12 install -r requierements.txt && rm requierements.txt
-# RUN echo '@reboot root python3.12 /src/serve_json.py' >> /etc/crontab
 
 ENTRYPOINT sh /docker_entrypoint.sh

build_docker.sh

@@ -0,0 +1,35 @@
+ARCH=linux/arm/v6
+#ARCH=linux/amd64
+TAG=develop
+HELP="USAGE: sh build_docker.sh \n
+[ -a | --architecture ] Select a architecture. Default is auto\n
+[ -t | --tag ] Set a docker tag. Default is develop \n
+[ -h | --help ] Get this dialog"
+
+docker_build(){
+  docker build --build-arg TARGETPLATFORM=$ARCH --platform $ARCH --tag dasmoorhuhn/atc-mithermometer-gateway:$TAG .
+}
+
+while [ "$1" != "" ]; do
+  case $1 in
+    -a | --architecture )
+      shift
+      ARCH=$1
+      shift
+      ;;
+    -t | --tag )
+      shift
+      TAG=$1
+      shift
+      ;;
+    -h | --help )
+      echo $HELP
+      exit
+      ;;
+    * )
+      echo $HELP
+      exit 1
+  esac
+done
+
+docker_build

build_docker_multi_platforn.sh

@@ -0,0 +1,10 @@
+TAG=develop
+
+set e
+docker buildx version
+unset e
+
+docker buildx create --name builder
+docker buildx use builder
+
+docker buildx build --tag dasmoorhuhn/atc-mithermometer-gateway:$TAG --platform=linux/amd64,linux/arm64,linux/arm --push .

python/docker_entrypoint.sh

@@ -1,4 +1,10 @@
 #!/bin/sh
 
-python3.12 api_endpoints.py &
+env > .env
+
+if [ "$API" = true ]; then
+    python3.12 api_endpoints.py &
+    sleep 1
+fi
+
 sudo python3.12 main.py

python/requierements.txt

@@ -1,6 +1,5 @@
 pyyaml
 bs4
-lxml
 requests
 flask
 flask_cors

python/src/discovery.py

@@ -49,7 +49,7 @@ def cleanup():
   devices = []
 
 
-def start_discovery(timeout=20.0):
+def start_discovery(timeout=20):
   cleanup()
   global devices
   print(f'Start discovery with timout {timeout}s...')

python/src/load_env.py

@@ -0,0 +1,16 @@
+# This is a quick and dirty hack since the ENVs from the docker run command won't show up in the main.py
+# I echo the output from the env command of a .env file, read and load it here into the os.environ.
+# https://stackoverflow.com/questions/78684481/python-wont-find-the-env-in-my-docker-container
+
+
+import os
+
+
+def load_env():
+  if 'DOCKER' not in os.listdir('.'): return False
+  with open(file='.env', mode='r') as file: ENV = file.readlines()
+  for env in ENV:
+    env = env.strip()
+    key, value = env.split('=')
+    os.environ[key] = value
+  return True

python/src/loop.py

@@ -3,8 +3,9 @@ from log_data import log_to_json
 from discovery import start_discovery
 
 
-def start_loop(interval=60):
+def start_loop(interval=40, timeout=20):
+  print(f"Starting loop with interval {interval}s")
   while True:
-    devices = start_discovery()
+    devices = start_discovery(timeout=timeout)
     log_to_json(devices)
     sleep(interval)

python/src/main.py

@@ -1,9 +1,25 @@
+import os
 from discovery import start_discovery
 from log_data import log_to_json
 from loop import start_loop
+from load_env import load_env
 
+DOCKER = load_env()
+INTERVAL = 40
+TIMEOUT = 20
 
-# devices = start_discovery()
+if DOCKER:
-# log_to_json(devices)
+  print("Running in docker")
+  interval = os.getenv('LOOP')
+  timeout = os.getenv('TIMEOUT')
 
-start_loop()
+  try:INTERVAL = int(interval)
+  except:pass
+
+  try:TIMEOUT = int(timeout)
+  except:pass
+
+  start_loop(INTERVAL, TIMEOUT)
+
+else:
+  start_loop(interval=40)

run_docker.sh

@@ -1,21 +1,117 @@
-TAG=develop-alpine
+TAG=develop
 CONTAINER=dasmoorhuhn/atc-mithermometer-gateway:$TAG
+CONTAINER_NAME=ATC_MiThermometer_Gateway
+VOLUME=YOUR_VOLUME
 
-sudo killall -9 bluetoothd > /dev/null 2>&1
+D=""
-# docker stop $CONTAINER > /dev/null 2>&1
+TIME_ZONE="Europe/Berlin"
-sh stop_docker.sh
+INTERACTIVE=false
-docker container rm ATC_MiThermometer_Gateway > /dev/null 2>&1
+BUILD=false
-echo Start container...
+API=false
-docker run \
+LOOP="0"
-  --cap-add=SYS_ADMIN \
+TIMEOUT="0"
-  --cap-add=NET_ADMIN \
+
-  --net=host \
+HELP="USAGE: sh run_docker.sh [OPTIONS] \n
-  --name=ATC_MiThermometer_Gateway \
+[ -d ] Run in Backgrund \n
-  --restart unless-stopped \
+[ -t | --tag ] Set a docker tag \n
-  --tty \
+[ -b | --build ] Build the image before running the container \n
-  -ti \
+[ -l | --loop ] Start the gateway in looping mode. e.g.: --loop 40 will set the interval of the loop to 40s. Default is single run mode \n
-  -v /var/run/dbus/:/var/run/dbus/ \
+[ -a | --api ] Start with the API \n
-  -v ./data:/src/data \
+[ -tz | --timezone ] Set the timezone. Default is Europe/Berlin \n
-   $CONTAINER \
+[ -to | --timeout ] Set the timeout for the bluetooth scan. default is 20s \n
+[ -h | --help ] Get this dialog"
+
+docker_run() {
+  sudo killall -9 bluetoothd > /dev/null 2>&1
+  echo Killing old container...
+  docker stop $CONTAINER_NAME
+  docker container rm $CONTAINER_NAME > /dev/null 2>&1
+
+  COMMAND="docker run $D"
+  COMMAND="$COMMAND --cap-add=SYS_ADMIN"
+  COMMAND="$COMMAND --cap-add=NET_ADMIN"
+  COMMAND="$COMMAND --net=host"
+  COMMAND="$COMMAND --env TZ=$TIME_ZONE"
+  COMMAND="$COMMAND --env API=$API"
+  COMMAND="$COMMAND --name=$CONTAINER_NAME"
+  COMMAND="$COMMAND --restart=on-failure"
+  COMMAND="$COMMAND --volume=/var/run/dbus/:/var/run/dbus/"
+  COMMAND="$COMMAND --volume=$VOLUME:/src/data"
+
+  if [ "$INTERACTIVE" = true ]; then
+    COMMAND="$COMMAND --interactive"
+    COMMAND="$COMMAND --tty"
+    COMMAND="$COMMAND --attach=stdout"
+    COMMAND="$COMMAND --attach=stdin"
+  fi
+
+  if [ "$LOOP" != "0" ]; then
+    COMMAND="$COMMAND --env LOOP=$LOOP"
+  fi
+
+  if [ "$TIMEOUT" != "0" ]; then
+    COMMAND="$COMMAND --env TIMEOUT=$TIMEOUT"
+  fi
+
+  if [ "$BUILD" = true ]; then
+    sh build_docker.sh --tag $TAG
+  fi
+
+  echo $COMMAND
+  echo Start container...
+  echo
+  $COMMAND $CONTAINER
+
+  docker container rm $CONTAINER_NAME > /dev/null 2>&1
+}
+
+while [ "$1" != "" ]; do
+  case $1 in
+    -d )
+      D="-d"
+      shift
+      ;;
+    -a | --api)
+      API=true
+      shift
+      ;;
+    -b | --build )
+      BUILD=true
+      shift
+      ;;
+    -tz | --timezone )
+      shift
+      TIME_ZONE=$1
+      shift
+      ;;
+    -to | --timeout )
+      shift
+      TIMEOUT=$1
+      shift
+      ;;
+    -t | --tag )
+      shift
+      TAG=$1
+      shift
+      ;;
+    -l | --loop )
+      shift
+      LOOP=$1
+      shift
+      ;;
+    -i | --interactive )
+      INTERACTIVE=true
+      shift
+      ;;
+    -h | --help )
+      echo $HELP
+      exit
+      ;;
+    * )
+      echo $HELP
+      exit 1
+  esac
+done
+
+docker_run
 
-docker container rm ATC_MiThermometer_Gateway > /dev/null 2>&1