diff --git a/.dockerignore b/.dockerignore new file mode 100644 index 0000000..18e8144 --- /dev/null +++ b/.dockerignore @@ -0,0 +1,4 @@ +hooks +Dockerfile +README.md +img/ diff --git a/Dockerfile b/Dockerfile index 998a0a7..fb76cd3 100644 --- a/Dockerfile +++ b/Dockerfile @@ -1,5 +1,15 @@ -FROM alpine:latest -LABEL maintainer "Andrew " +# see hooks/build and hooks/.config +ARG BASE_IMAGE_PREFIX +FROM ${BASE_IMAGE_PREFIX}alpine + +# see hooks/post_checkout +ARG ARCH +COPY qemu-${ARCH}-static /usr/bin + +RUN uname -ar > /uname.build +RUN apk --update add file + +LABEL maintainer "Matt Hilton " RUN apk add --no-cache python3 \ libusb \ @@ -22,6 +32,7 @@ RUN pip3 install \ oauth2 \ tzlocal \ pycrypto \ + paho-mqtt \ pywws VOLUME ["/var/data"] diff --git a/README.md b/README.md index e69568a..57a9780 100644 --- a/README.md +++ b/README.md @@ -1,5 +1,5 @@ # pywws-docker -[Docker Hub](https://hub.docker.com/r/duckfullstop/pywws-docker/) +[Docker Hub](https://hub.docker.com/r/matt2005/pywws/) Provides a Docker image for pywws. Find out more about pywws here: https://github.com/jim-easterbrook/pywws @@ -8,9 +8,29 @@ Based on Alpine Linux, which provides far leaner images (sub-100mb!) Use `--privileged` to give access to USB devices (you should also be able to directly pipe your weather station's HID device into the container with `--device`, but it's untested!) Test the connection like this: - -docker run –-privileged duckfullstop/pywws pywws-testweatherstation +```bash +docker run –-privileged matt2005/pywws pywws-testweatherstation +``` Following Jim's example using ~/weather/data, you can gather data onto your local file system like this: +```bash +docker run -–privileged -v ~/weather/data:/var/data matt2005/pywws pywws-livelog /var/data +``` + +Docker-compose example +```docker +version: "3" -docker run -–privileged -v ~/weather/data:/var/data duckfullstop/pywws-docker pywws-livelog /var/data +services: + pywws: + container_name: pywws + image: matt2005/pywws:latest + privileged: true + command: ["pywws-livelog", "/var/data"] + volumes: + - '/etc/localtime:/etc/localtime:ro' + - './pywws/weather/data:/var/data' + devices: + - '/dev/bus/usb/005/002' + restart: unless-stopped +``` diff --git a/hooks/.config b/hooks/.config new file mode 100644 index 0000000..202eb8f --- /dev/null +++ b/hooks/.config @@ -0,0 +1,17 @@ +export PATH="$PWD/docker:$PATH" + +# => +# https://hub.docker.com/u/arm64v8/ +# https://hub.docker.com/u/arm32v7/ +# https://hub.docker.com/u/arm32v6/ +declare -A base_image_prefix_map=( ["aarch64"]="arm64v8/" ["arm"]="arm32v6/" ["amd64"]="") + +# => dpkg -L qemu-user-static | grep /usr/bin/ +declare -A docker_qemu_arch_map=( ["aarch64"]="aarch64" ["arm"]="arm" ["amd64"]="x86_64") + +# => https://github.com/docker/docker-ce/blob/76ac3a4952a9c03f04f26fc88d3160acd51d1702/components/cli/cli/command/manifest/util.go#L22 +declare -A docker_to_manifest_map=( ["aarch64"]="arm64" ["arm"]="arm" ["amd64"]="amd64") + +build_architectures=(amd64 aarch64 arm) + +docker -v diff --git a/hooks/build b/hooks/build new file mode 100644 index 0000000..58600ed --- /dev/null +++ b/hooks/build @@ -0,0 +1,54 @@ +#!/bin/bash +set -eu + +echo "πŸ”΅ build" +source hooks/.config + +for arch in ${build_architectures[@]}; do + echo "βœ… building $arch" + echo "⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯" + + BASE_IMAGE_PREFIX="${base_image_prefix_map[${arch}]}" + docker build \ + --build-arg BASE_IMAGE_PREFIX=${BASE_IMAGE_PREFIX} \ + --build-arg ARCH=${arch} \ + --file $DOCKERFILE_PATH \ + --tag "${IMAGE_NAME}-${arch}" \ + . +done + +echo "βœ… images built:" +echo "⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯" +docker image ls + +# https://github.com/moby/moby/issues/36552 +# +tempdir=$(mktemp -d -t yolo.XXXXXXXX) +cd $tempdir + +for arch in ${build_architectures[@]}; do + echo "βœ… yolo fixing platform $arch" + echo "⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯" + + manifest_arch=${docker_to_manifest_map[${arch}]} + docker save "${IMAGE_NAME}-${arch}" | tar xv + + for filename in */json; do + [ -e "$filename" ] || continue + jq --compact-output 'del(.architecture)' < "$filename" | sponge "$filename" + done + + for filename in *.json; do + [ -e "$filename" ] || continue + ! [ $filename = "manifest.json" ] || continue + + jq --arg architecture "$manifest_arch" \ + --compact-output '.architecture=$architecture' < "$filename" | sponge "$filename" + done + + tar cv . | docker load + rm -rf $tempdir/* +done + +trap "exit 1" HUP INT PIPE QUIT TERM +trap "rm -rf $tempdir" EXIT diff --git a/hooks/post_checkout b/hooks/post_checkout new file mode 100644 index 0000000..4f31719 --- /dev/null +++ b/hooks/post_checkout @@ -0,0 +1,48 @@ +#!/bin/bash +set -eu + +echo "πŸ”΅ post_checkout" +source hooks/.config + +echo "βœ… Install qemu + binfmt support" +echo "⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯" +# it's an Ubuntu VM and you can install stuff. +apt-get update +apt-get install -y curl qemu-user-static binfmt-support jq moreutils + +# Sadly docker itself uses Docker EE 17.06 on Dockerhub which does not support +# manifests. +echo "βœ… Install a fresh docker cli binary" +echo "⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯" + +curl https://download.docker.com/linux/static/stable/x86_64/docker-18.09.1.tgz | \ + tar xvz docker/docker + +echo "βœ… Build a usable config.json file" +echo "⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯" +# Manifests are still experimental and enabled by a config file flag. +# Interestingly, there is no config file and the credential parts to push +# images is available in an environment variable. Let's create a config file to +# combine the two things: +# +mkdir -p ~/.docker +jq --null-input --argjson auths "$DOCKERCFG" '. + {auths: $auths}' | \ +jq --arg experimental enabled '. + {experimental: $experimental}' | \ +sponge ~/.docker/config.json + +echo "βœ… Copy qemu binaries into docker build context" +echo "⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯" +# The current setup copies the qemu binary into the image (see Dockerfile) +# Pro: +# - it's easy to run non-amd64 images on amd64 systems for debugging +# Contra: +# - it's dead weight in the "destination" architecture and consumes space +# Alternative: +# - use a multistage Dockerfile (no RUN in the last stage possible of course) +# - wait for https://github.com/moby/moby/issues/14080 +# +for arch in ${build_architectures[@]}; do + cp /usr/bin/qemu-${docker_qemu_arch_map[${arch}]}-static qemu-${arch}-static +done + +ls -la diff --git a/hooks/pre_build b/hooks/pre_build new file mode 100644 index 0000000..9a091e2 --- /dev/null +++ b/hooks/pre_build @@ -0,0 +1,10 @@ +#!/bin/bash +set -eu + +echo "πŸ”΅ pre_build" +source hooks/.config + +echo "βœ… Register qemu-*-static for all supported processors except current" +echo "⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯" + +docker run --rm --privileged multiarch/qemu-user-static:register --reset diff --git a/hooks/push b/hooks/push new file mode 100644 index 0000000..167d926 --- /dev/null +++ b/hooks/push @@ -0,0 +1,52 @@ +#!/bin/bash +set -eu + +echo "πŸ”΅ push" +source hooks/.config + +# 1. push all images +DOCKER_REPO="${DOCKER_REPO//index.docker.io\/}" + +for arch in ${build_architectures[@]}; do + echo "βœ… Pushing ${IMAGE_NAME}-${arch}" + echo "⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯" + echo + docker push ${IMAGE_NAME}-${arch} +done + + +# 2. build and push manifest +DOCKER_REPO="index.docker.io/${DOCKER_REPO}" +manifests="" + +for arch in ${build_architectures[@]}; do + manifests="${manifests} ${IMAGE_NAME}-${arch}" +done + +echo "βœ… Creating manifest ${IMAGE_NAME}" +echo "⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯" +docker manifest create ${IMAGE_NAME} \ + $manifests +echo + +echo "βœ… Annotating manifest" +echo "⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯" +for arch in ${build_architectures[@]}; do + docker manifest annotate ${IMAGE_NAME} \ + ${IMAGE_NAME}-${arch} \ + --os linux \ + --arch ${docker_to_manifest_map[${arch}]} +done + +echo "βœ… Inspecting manifest ${IMAGE_NAME}" +echo "⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯" +docker manifest inspect ${IMAGE_NAME} +echo + +echo "βœ… Pushing manifest ${IMAGE_NAME}" +echo "⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯" +docker manifest push --purge ${IMAGE_NAME} +echo + +echo +echo "😊"