hassio.sh

#!/bin/sh

CONFIG_FILE="/usr/local/hassio/etc/hassio.json"

fix_usb_devices() {
    USB_FILE="${HASSIO_DATA}/usb_devices.txt"

    docker cp hassio_supervisor:/lib/udev/rules.d/60-serial.rules /lib/udev/rules.d/60-serial-hassio.rules 
    docker cp hassio_supervisor:/lib/udev/rules.d/60-input-id.rules /lib/udev/rules.d/60-input-id-hassio.rules

    udevadm control --reload && udevadm trigger

    # Add entries to file
    ls /dev/serial/by_id/* >$USB_FILE
}

fix_envs() {
    if docker --version|grep 18.09.6 >/dev/null; then
        NEWENV="\"TZ=`date +"%Z"`\""
        NEWENV+=",\"HASSIO=hassio\""
        NEWENV+=",\"HASSIO_TOKEN=$(jq -r .access_token "$(jq -r .data ${CONFIG_FILE})/homeassistant.json")\""

        DOCKER_JSON="/var/packages/Docker/target/docker/containers/$(docker inspect homeassistant |jq -r '.[0].Id')/hostconfig.json"
        TMP_FILE=$(mktemp)
        jq --argjson newenvs "[${NEWENV}]"  '.Env += $newenvs' ${DOCKER_JSON} > $TMP_FILE

        docker stop homeassistant
        mv $TMP_FILE $DOCKER_JSON
        docker start homeassistant
    fi
}

runSupervisor() {
    HOMEASSISTANT="$(jq --raw-output '.homeassistant' ${CONFIG_FILE})"
    HASSIO_DATA="$(jq --raw-output '.data // "/usr/share/hassio"' ${CONFIG_FILE})"

    APPARMOR="--security-opt apparmor=unconfined"

    /usr/local/bin/docker rm --force hassio_supervisor >/dev/null || true
    /usr/local/bin/docker run --name hassio_supervisor \
        --privileged \
        $APPARMOR \
        --security-opt seccomp=unconfined \
        -v /var/run/docker.sock:/var/run/docker.sock \
        -v /var/run/dbus:/var/run/dbus \
        -v ${HASSIO_DATA}:/data \
        -e SUPERVISOR_SHARE=${HASSIO_DATA} \
        -e SUPERVISOR_NAME=hassio_supervisor \
        -e HOMEASSISTANT_REPOSITORY=${HOMEASSISTANT} \
        ${SUPERVISOR}
}

start_hassio() {
    fix_usb_devices
    SUPERVISOR="$(jq --raw-output '.supervisor' ${CONFIG_FILE})"

    HASSIO_IMAGE_ID=$(/usr/local/bin/docker inspect --format='{{.Id}}' ${SUPERVISOR})
    HASSIO_CONTAINER_ID=$(/usr/local/bin/docker inspect --format='{{.Image}}' hassio_supervisor || echo "--")

    # Fix routing
    route -vn | grep 172.30.32.0 >/dev/null ||
        route add -net 172.30.32.0/23 gw 172.30.32.1

    # Fix envs
    fix_envs

    # Run supervisor
    ([ "${HASSIO_IMAGE_ID}" = "${HASSIO_CONTAINER_ID}" ] && /usr/local/bin/docker start --attach hassio_supervisor) || runSupervisor
}

while true; do
    start_hassio
    sleep 1
done