Revert "Implement Health checks (#178)" (#179)

This reverts commit 56e14f506b.

CHANGELOG.md

@@ -8,7 +8,6 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ## [Unreleased]
 ### Added
 * klipper & moonraker: generate version file during build to correctly display versions
-* klipper, moonraker & ustreamer: add healthchecks to container images
 ### Fixed
 ### Changed
 ### Removed

docker/klipper/Dockerfile

@@ -39,9 +39,6 @@ RUN groupadd klipper --gid 1000 \
 RUN mkdir -p printer_data/run printer_data/gcodes printer_data/logs printer_data/config \
  && chown -R klipper:klipper /opt/*
 
-COPY --chown=klipper:klipper health.py ./
-HEALTHCHECK --interval=5s CMD ["python3", "/opt/health.py"]
-
 COPY --chown=klipper:klipper --from=build /opt/klipper ./klipper
 COPY --chown=klipper:klipper --from=build /opt/venv ./venv
 

docker/klipper/README.md

@@ -119,10 +119,3 @@ none
 |`run`|Default runtime Image for klippy|Yes|
 |`tools`|Build Tools for MCU code compilation|Yes|
 |`hostmcu`|Runtime Image for the klipper_mcu binary|Yes|
-
-## Healthcheck
-`/opt/health.py` gets executed every 5s inside the container.  
-The script does the following:
-* queries klippers `info` endpoint via its unix socket
-* Checks if state is `ready`
-* If one of the above requirements is not `ready`, the script exits with a failure state to indicate the container is unhealthy

docker/klipper/health.py

@@ -1,22 +0,0 @@
-#!/usr/bin/env python3
-import socket, json, sys
-
-socket_address="/opt/printer_data/run/klipper.sock"
-message={"id": 666, "method": "info"}
-
-# Set up socket connection
-sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
-sock.connect(socket_address)
-
-# Send message and receive response
-sock.sendall(json.dumps(message).encode() + b"\x03")
-response = sock.recv(4096).decode('utf-8').strip('\x03')
-sock.close()
-
-# Check the result
-if json.loads(response)["result"]["state"] == "ready":
-    # State is ready - healthy
-    sys.exit(0)
-else:
-    # State is not ready - unhealthy
-    sys.exit(1)

docker/moonraker/Dockerfile

@@ -39,7 +39,6 @@ RUN apt update \
       systemd \
       sudo \
       git \
-      jq \
  && apt clean
 
 WORKDIR /opt
@@ -49,9 +48,6 @@ RUN groupadd moonraker --gid 1000 \
 RUN mkdir -p printer_data/run printer_data/gcodes printer_data/logs printer_data/database printer_data/config \
  && chown -R moonraker:moonraker /opt/*
 
-COPY --chown=moonraker:moonraker health.sh ./
-HEALTHCHECK --interval=5s CMD ["bash", "/opt/health.sh"]
-
 COPY --chown=moonraker:moonraker --from=build /opt/moonraker ./moonraker
 COPY --chown=moonraker:moonraker --from=build /opt/venv ./venv
 

docker/moonraker/README.md

@@ -85,13 +85,3 @@ services:
 |---|---|---|
 |`build`|Pull Upstream Codebase and build python venv|No|
 |`run`|Default runtime Image|Yes|
-
-## Healthcheck
-`/opt/health.sh` gets executed every 5s inside the container.  
-The script does the following:
-* queries the `/server/info` endpoint of moonraker
-* Performs the following checks
-  * Number of failed moonraker_components = 0
-  * klippy_connected is `true`
-  * klippy_state is `ready`
-* If one of the above requirements is not met, the script exits with a failure state to indicate the container is unhealthy

docker/moonraker/health.sh

@@ -1,17 +0,0 @@
-#!/bin/bash
-
-serverinfo=$(curl -s localhost:7125/server/info)
-
-klippy_connected=$(echo -n ${serverinfo} | jq -r .result.klippy_connected)
-klippy_state=$(echo -n ${serverinfo} | jq -r .result.klippy_state)
-failed_components=$(echo -n ${serverinfo} | jq -r .result.failed_components[] | wc -l)
-
-if [ "$klippy_connected" == "true" ] \
-&& [ "$klippy_state" == "ready" ] \
-&& [ $failed_components -eq 0 ]; then
-  ## moonraker is up and connected to klippy
-  exit 0
-else
-  ## moonraker started w/ failed components and/or is not connected to klippy
-  exit 1
-fi

docker/ustreamer/Dockerfile

@@ -39,8 +39,6 @@ RUN apt update \
       libbsd0 \
       libgpiod2 \
       v4l-utils \
-      curl \
-      jq \
  && apt clean
 
 WORKDIR /opt
@@ -48,14 +46,11 @@ RUN groupadd ustreamer --gid 1000 \
  && useradd ustreamer --uid 1000 --gid ustreamer \
  && usermod ustreamer --append --groups video
 
-COPY --chown=ustreamer:ustreamer health.sh ./
-HEALTHCHECK --interval=5s CMD ["bash", "/opt/health.sh"]
-
 COPY --chown=ustreamer:ustreamer --from=build /opt/ustreamer/src/ustreamer.bin ./ustreamer
 
 ## Start ustreamer
 USER ustreamer
 EXPOSE 8080
-ENTRYPOINT ["/opt/ustreamer"]
+ENTRYPOINT [ "/opt/ustreamer"]
 CMD ["--host=0.0.0.0", "--port=8080"]
 

docker/ustreamer/README.md

@@ -52,12 +52,3 @@ none
 |---|---|---|
 |`build`|Pull Upstream Codebase and build application|No|
 |`run`|Default runtime Image|Yes|
-
-## Healthcheck
-`/opt/health.sh` gets executed every 5s inside the container.  
-The script does the following:
-* gets the JSON structure with the state of the server
-* Checks the following values
-  * `.ok` is set to `true`, which indicates ustreamer is working
-  * `.result.source.online` is set to `true`, which indicates the source (webcam) is returning an image rather than `NO SIGNAL`
-* If one of the above requirements is not met, the script exits with a failure state to indicate the container is unhealthy

docker/ustreamer/health.sh

@@ -1,13 +0,0 @@
-#!/bin/bash
-
-state=$(curl -s localhost:8080/state)
-ok=$(echo $state | jq -r .ok)
-online=$(echo $state | jq -r .result.source.online)
-
-if [ "$ok" == "true" ] && [ "$online" == "true" ]; then
-  ## ustreamer is ok and source is online
-  exit 0
-else
-  ## ustreamer is not ok or source is not online
-  exit 1
-fi