-
Notifications
You must be signed in to change notification settings - Fork 140
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
See: https://github.com/moby/moby/blob/65cfcc2/hack/dind#L59 See: https://github.com/earthly/earthly/blob/08b0d1f/buildkitd/dockerd-wrapper.sh#L63 Fixes: #1854
- Loading branch information
Showing
1 changed file
with
50 additions
and
24 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,32 +1,58 @@ | ||
#!/usr/bin/env bash | ||
set -euo pipefail | ||
|
||
mkdir /mnt/_tmp | ||
if ! mount -t tmpfs none /mnt/_tmp 2> /dev/null; then | ||
echo 'docker privileged mode required' | ||
check_privileged_mode_or_die() { | ||
mkdir /mnt/_tmp | ||
if ! mount -t tmpfs none /mnt/_tmp 2> /dev/null; then | ||
echo 'docker privileged mode required' | ||
rm -r /mnt/_tmp | ||
exit 101 | ||
fi | ||
umount /mnt/_tmp | ||
rm -r /mnt/_tmp | ||
exit 101 | ||
fi | ||
umount /mnt/_tmp | ||
rm -r /mnt/_tmp | ||
} | ||
|
||
if ! supervisorctl status > /dev/null; then | ||
supervisord -c /etc/supervisord.conf | ||
action='started' | ||
else | ||
supervisorctl restart dockerd > /dev/null | ||
action='restarted' | ||
fi | ||
start_restart_dockerd() { | ||
if ! supervisorctl status > /dev/null; then | ||
supervisord -c /etc/supervisord.conf | ||
echo 'started' | ||
else | ||
supervisorctl restart dockerd > /dev/null | ||
echo 'restarted' | ||
fi | ||
} | ||
|
||
for _i in {1..10}; do | ||
if supervisorctl tail dockerd | grep -q 'API listen on'; then | ||
echo "dockerd ${action}" | ||
exit 0 | ||
move_processes_to_nested_cgroup() { | ||
# detect cgroups v2 | ||
if [[ -f /sys/fs/cgroup/cgroup.controllers ]]; then | ||
local group=/sys/fs/cgroup/dockerd | ||
mkdir -p ${group} | ||
xargs -rn1 < /sys/fs/cgroup/cgroup.procs > ${group}/cgroup.procs || true | ||
fi | ||
sleep 1 | ||
done | ||
} | ||
|
||
supervisorctl stop dockerd > /dev/null | ||
echo 'failed to start dockerd:' | ||
supervisorctl tail dockerd | ||
exit 102 | ||
wait_dockerd_started() { | ||
for _i in {1..10}; do | ||
if supervisorctl tail dockerd | grep -q 'API listen on'; then | ||
return 0 | ||
fi | ||
sleep 1 | ||
done | ||
return 1 | ||
} | ||
|
||
show_dockerd_log_and_die() { | ||
supervisorctl stop dockerd > /dev/null | ||
echo 'failed to start dockerd:' | ||
supervisorctl tail dockerd | ||
exit 102 | ||
} | ||
|
||
|
||
check_privileged_mode_or_die | ||
event=$(start_restart_dockerd) | ||
if ! wait_dockerd_started; then | ||
show_dockerd_log_and_die | ||
fi | ||
move_processes_to_nested_cgroup | ||
echo "dockerd ${event}" |