balena-supervisor/entry.sh
Felipe Lalanne 46fa7321c0 Run the built supervisor as part of docker-compose tests
This allows to test that the supervisor build actually runs and opens up the
possibility of running more exhaustive API tests against a working supervisor.

Change-type: patch
2022-11-03 15:45:39 -03:00

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#!/bin/sh
set -o errexit
# If the legacy /tmp/resin-supervisor exists on the host, a container might
# already be using to take an update lock, so we symlink it to the new
# location so that the supervisor can see it
[ -d /mnt/root/tmp/resin-supervisor ] &&
([ -d /mnt/root/tmp/balena-supervisor ] || ln -s ./resin-supervisor /mnt/root/tmp/balena-supervisor)
# Otherwise, if the lockfiles directory doesn't exist
[ -d /mnt/root/tmp/balena-supervisor ] ||
mkdir -p /mnt/root/tmp/balena-supervisor
export DBUS_SYSTEM_BUS_ADDRESS="${DBUS_SYSTEM_BUS_ADDRESS:-unix:path=/mnt/root/run/dbus/system_bus_socket}"
# Include self-signed CAs, should they exist
if [ -n "${BALENA_ROOT_CA}" ]; then
if [ ! -e '/etc/ssl/certs/balenaRootCA.pem' ]; then
echo "${BALENA_ROOT_CA}" >/etc/ssl/certs/balenaRootCA.pem
# Include the balenaRootCA in the system store for services like Docker
mkdir -p /usr/local/share/ca-certificates
echo "${BALENA_ROOT_CA}" >/usr/local/share/ca-certificates/balenaRootCA.crt
update-ca-certificates
fi
fi
# Mount the host kernel module path onto the expected location
# We need to do this as busybox doesn't support using a custom location
if [ ! -d /lib/modules ]; then
ln -s /mnt/root/lib/modules /lib/modules
fi
# Now load the ip6_tables kernel module, so we can do
# filtering on ipv6 addresses. Don't fail here if the
# modprobe fails, as this can either be that the module is
# already loaded or that the kernel module isn't present. In
# the former case, this is fine for runtime, and in the
# latter it means that the supervisor will fail later on, so
# not a problem.
modprobe ip6_tables || true
export BASE_LOCK_DIR="/tmp/balena-supervisor/services"
export LOCKFILE_UID=65534
# Cleanup leftover Supervisor-created lockfiles from any previous processes.
# Supervisor-created lockfiles have a UID of 65534.
find "/mnt/root${BASE_LOCK_DIR}" -type f -user "${LOCKFILE_UID}" -name "*updates.lock" -delete || true
if [ "${LIVEPUSH}" = "1" ]; then
exec npx nodemon --watch src --watch typings --ignore tests -e js,ts,json \
--exec node -r ts-node/register/transpile-only src/app.ts
else
exec node /usr/src/app/dist/app.js
fi