Linux lhjmq-records 5.15.0-118-generic #128-Ubuntu SMP Fri Jul 5 09:28:59 UTC 2024 x86_64
Your IP : 18.190.239.189
#!/bin/sh
set -eu
# Re-exec outside of apparmor confinement
if [ -d /sys/kernel/security/apparmor ] && [ "$(cat /proc/self/attr/current)" != "unconfined" ]; then
exec aa-exec -p unconfined -- "$0" "$@"
fi
export LXD_DIR="${SNAP_COMMON}/lxd/"
PID=$(cat "${SNAP_COMMON}/lxd.pid" || true)
# FIXME: Detect stop reason
# This should be exposed by snapd directly
STATUS=$(snap-query /run/snapd.socket lxd 2>/dev/null || true)
reason="host shutdown"
if [ -s "${SNAP_COMMON}/state" ]; then
reason="$(cat "${SNAP_COMMON}/state")"
elif [ "${STATUS}" = "auto-refresh" ]; then
reason="snap refresh"
elif [ "${STATUS}" = "refresh-snap" ]; then
reason="snap refresh"
elif [ "${STATUS}" = "install-snap" ]; then
reason="snap refresh"
elif [ "${STATUS}" = "remove-snap" ]; then
reason="snap removal"
fi
echo "=> Stop reason is: ${reason}"
# Handle lxd shutdown
if [ "${reason}" = "shutdown" ]; then
exit 0
fi
# Handle reloads and crashes
if [ "${reason}" = "reload" ] || [ "${reason}" = "crashed" ]; then
exit 0
fi
# Handle refreshes
if [ "${reason}" = "snap refresh" ]; then
echo "=> Stopping LXD"
if [ -n "${PID}" ] && kill -0 "${PID}" 2>/dev/null; then
if ! kill "${PID}"; then
echo "==> Failed to signal LXD to exit"
fi
DEAD=0
for _ in $(seq 320); do
if ! kill -0 "${PID}" 2>/dev/null; then
DEAD=1
echo "==> Stopped LXD"
break
fi
sleep 1
done
if [ "${DEAD}" = "0" ]; then
echo "==> Forcefully stopping LXD after 5 minutes wait"
if kill -9 "${PID}" 2>/dev/null; then
echo "==> Stopped LXD"
else
echo "==> Failed to stop LXD"
fi
fi
fi
exit 0
fi
# Shutdown the daemons
## LXD
echo "=> Stopping LXD (with container shutdown)"
echo host-shutdown > "${SNAP_COMMON}/state"
if [ -n "${PID}" ] && kill -0 "${PID}" 2>/dev/null; then
if ! kill -30 "${PID}"; then
echo "==> Failed to signal LXD to shutdown"
fi
DEAD=0
for _ in $(seq 540); do
if ! kill -0 "${PID}" 2>/dev/null; then
DEAD=1
echo "==> Stopped LXD"
break
fi
sleep 1
done
if [ "${DEAD}" = "0" ]; then
echo "==> Forcefully stopping LXD after 9 minutes wait"
if kill -9 "${PID}" 2>/dev/null; then
echo "==> Stopped LXD"
else
echo "==> Failed to stop LXD"
fi
fi
fi
## OpenVswitch
if [ -e "${SNAP_COMMON}/openvswitch/run/ovs-vswitchd.pid" ]; then
PID=$(cat "${SNAP_COMMON}/openvswitch/run/ovs-vswitchd.pid")
if [ -n "${PID}" ] && kill -0 "${PID}" 2>/dev/null; then
(
echo "=> Stopping Open vSwitch"
set -e
export OVS_LOGDIR="${SNAP_COMMON}/openvswitch/logs/"
export OVS_RUNDIR="${SNAP_COMMON}/openvswitch/run/"
export OVS_DBDIR="${SNAP_COMMON}/openvswitch/db/"
export OVS_SYSCONFDIR="${SNAP_COMMON}/openvswitch/conf/"
export OVS_PKGDATADIR="${SNAP}/share/openvswitch/"
export OVS_BINDIR="${SNAP}/bin/"
export OVS_SBINDIR="${SNAP}/bin/"
if "${SNAP}/share/openvswitch/scripts/ovs-ctl" stop; then
echo "==> Stopped Open vSwitch"
else
echo "==> Failed to stop Open vSwitch"
fi
)
fi
fi
## LXCFS
if [ -e "${SNAP_COMMON}/lxcfs.pid" ]; then
echo "=> Stopping LXCFS"
PID=$(cat "${SNAP_COMMON}/lxcfs.pid")
if [ -n "${PID}" ] && kill -0 "${PID}" 2>/dev/null; then
if ! kill "$PID"; then
echo "==> Failed to signal LXCFS to stop"
fi
DEAD=0
for _ in $(seq 30); do
if ! kill -0 "${PID}" 2>/dev/null; then
DEAD=1
echo "==> Stopped LXCFS"
break
fi
sleep 1
done
if [ "${DEAD}" = "0" ]; then
echo "==> Forcefully stopping LXCFS after 30 seconds wait"
if kill -9 "${PID}" 2>/dev/null; then
echo "==> Stopped LXCFS"
else
echo "==> Failed to stop LXCFS"
fi
fi
fusermount -u "${SNAP_COMMON}/var/lib/lxcfs" >/dev/null 2>&1 || true
fi
fi
## Cleanup
echo "=> Cleaning up PID files"
rm -f "${SNAP_COMMON}/lxcfs.pid" "${SNAP_COMMON}/lxd.pid"
## Flush our shared namespace from the host
echo "=> Cleaning up namespaces"
nsenter -t 1 -m umount -l /var/snap/lxd/common/ns 2>/dev/null || true
echo "=> All done"
exit 0
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