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Recreate Supervisor container on OS upgrade/downgrade (#1368)

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* Recreate Supervisor container on OS upgrade/downgrade

When the operating system gets upgraded or downgraded the Supervisor
start script might start the Supervisor slightly differently (e.g. with
RT scheduling support). If the container has already been created, a OS
upgrade or downgrade won't recreate the Supervisor container.

* Move startup script version file to /mnt/data
This commit is contained in:
Stefan Agner 2021-05-19 22:27:16 +02:00 committed by GitHub
parent c1c6a6ce21
commit c7909de767
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 20 additions and 5 deletions
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25
buildroot-external/rootfs-overlay/usr/sbin/hassos-supervisor
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@ -11,6 +11,7 @@ set -e
# Init supervisor
SUPERVISOR_DATA=/mnt/data/supervisor
SUPERVISOR_STARTUP_MARKER="/run/supervisor/startup-marker"
SUPERVISOR_STARTSCRIPT_VERSION="/mnt/data/.hassos-supervisor-version"
SUPERVISOR_IMAGE="homeassistant/${SUPERVISOR_ARCH}-hassio-supervisor"
SUPERVISOR_IMAGE_ID=$(docker images --no-trunc --filter "reference=${SUPERVISOR_IMAGE}:latest" --format "{{.ID}}" || echo "")
@ -55,11 +56,21 @@ if [ -z "${SUPERVISOR_IMAGE_ID}" ]; then
SUPERVISOR_IMAGE_ID=$(docker inspect --format='{{.Id}}' "${SUPERVISOR_IMAGE}" || echo "")
fi
# Image changed, remove previous container
if [ -n "${SUPERVISOR_CONTAINER_ID}" ] && [ "${SUPERVISOR_IMAGE_ID}" != "${SUPERVISOR_CONTAINER_ID}" ]; then
echo "[INFO] Supervisor image has been updated, destroying previous container..."
docker container rm --force hassio_supervisor || true
SUPERVISOR_CONTAINER_ID=""
if [ -n "${SUPERVISOR_CONTAINER_ID}" ]; then
# Image changed, remove previous container
if [ "${SUPERVISOR_IMAGE_ID}" != "${SUPERVISOR_CONTAINER_ID}" ]; then
echo "[INFO] Supervisor image has been updated, destroying previous container..."
docker container rm --force hassio_supervisor || true
SUPERVISOR_CONTAINER_ID=""
fi
# Start script changed, remove previous container
# shellcheck disable=SC3013
if [ ! -f "${SUPERVISOR_STARTSCRIPT_VERSION}" ] || [ "${SUPERVISOR_STARTSCRIPT_VERSION}" -nt "$0" ] || [ "${SUPERVISOR_STARTSCRIPT_VERSION}" -ot "$0" ]; then
echo "[INFO] Supervisor start script has changed, destroying previous container..."
docker container rm --force hassio_supervisor || true
SUPERVISOR_CONTAINER_ID=""
fi
fi
# If Supervisor container is missing, create it
@ -80,6 +91,10 @@ if [ -z "${SUPERVISOR_CONTAINER_ID}" ]; then
-e SUPERVISOR_CPU_RT=1 \
-e SUPERVISOR_MACHINE=${SUPERVISOR_MACHINE} \
"${SUPERVISOR_IMAGE}:latest"
# Store the timestamp of this script. If the script changed, let's
# recreate the container automatically.
touch --reference="$0" "${SUPERVISOR_STARTSCRIPT_VERSION}"
fi
# Run supervisor