mirror of
https://github.com/balena-os/balena-supervisor.git
synced 2024-12-20 22:23:13 +00:00
72 lines
2.5 KiB
Bash
Executable File
72 lines
2.5 KiB
Bash
Executable File
#!/bin/sh
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set -o errexit
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# If the legacy /tmp/resin-supervisor exists on the host, a container might
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# already be using to take an update lock, so we symlink it to the new
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# location so that the supervisor can see it
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[ -d /mnt/root/tmp/resin-supervisor ] &&
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( [ -d /mnt/root/tmp/balena-supervisor ] || ln -s ./resin-supervisor /mnt/root/tmp/balena-supervisor )
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# Otherwise, if the lockfiles directory doesn't exist
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[ -d /mnt/root/tmp/balena-supervisor ] ||
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mkdir -p /mnt/root/tmp/balena-supervisor
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# If DOCKER_ROOT isn't set then default it
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if [ -z "${DOCKER_ROOT}" ]; then
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DOCKER_ROOT=/mnt/root/var/lib/rce
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fi
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# Mount the DOCKER_ROOT path equivalent in the container fs
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DOCKER_LIB_PATH=${DOCKER_ROOT#/mnt/root}
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if [ ! -d "${DOCKER_LIB_PATH}" ]; then
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ln -s "${DOCKER_ROOT}" "${DOCKER_LIB_PATH}"
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fi
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if [ -z "$DOCKER_SOCKET" ]; then
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export DOCKER_SOCKET=/run/docker.sock
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fi
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export DBUS_SYSTEM_BUS_ADDRESS="unix:path=/mnt/root/run/dbus/system_bus_socket"
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# Include self-signed CAs, should they exist
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if [ -n "${BALENA_ROOT_CA}" ]; then
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if [ ! -e '/etc/ssl/certs/balenaRootCA.pem' ]; then
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echo "${BALENA_ROOT_CA}" > /etc/ssl/certs/balenaRootCA.pem
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# Include the balenaRootCA in the system store for services like Docker
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mkdir -p /usr/local/share/ca-certificates
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echo "${BALENA_ROOT_CA}" > /usr/local/share/ca-certificates/balenaRootCA.crt
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update-ca-certificates
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fi
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fi
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# Mount the host kernel module path onto the expected location
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# We need to do this as busybox doesn't support using a custom location
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if [ ! -d /lib/modules ]; then
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ln -s /mnt/root/lib/modules /lib/modules
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fi
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# Now load the ip6_tables kernel module, so we can do
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# filtering on ipv6 addresses. Don't fail here if the
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# modprobe fails, as this can either be that the module is
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# already loaded or that the kernel module isn't present. In
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# the former case, this is fine for runtime, and in the
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# latter it means that the supervisor will fail later on, so
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# not a problem.
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modprobe ip6_tables || true
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export BASE_LOCK_DIR="/tmp/balena-supervisor/services"
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export LOCKFILE_UID=65534
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# Cleanup leftover Supervisor-created lockfiles from any previous processes.
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# Supervisor-created lockfiles have a UID of 65534.
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find "/mnt/root${BASE_LOCK_DIR}" -type f -user "${LOCKFILE_UID}" -name "*updates.lock" -delete || true
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if [ "${LIVEPUSH}" = "1" ]; then
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exec npx nodemon --watch src --watch typings --ignore tests -e js,ts,json \
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--exec node -r ts-node/register/transpile-only src/app.ts
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else
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exec node /usr/src/app/dist/app.js
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fi
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