mirror of
https://github.com/spring-projects/spring-boot.git
synced 2024-07-15 01:07:30 +08:00
98 lines
2.5 KiB
Bash
98 lines
2.5 KiB
Bash
# Based on: https://github.com/concourse/docker-image-resource/blob/master/assets/common.sh
|
|
|
|
DOCKER_LOG_FILE=${DOCKER_LOG_FILE:-/tmp/docker.log}
|
|
SKIP_PRIVILEGED=${SKIP_PRIVILEGED:-false}
|
|
STARTUP_TIMEOUT=${STARTUP_TIMEOUT:-120}
|
|
|
|
sanitize_cgroups() {
|
|
mkdir -p /sys/fs/cgroup
|
|
mountpoint -q /sys/fs/cgroup || \
|
|
mount -t tmpfs -o uid=0,gid=0,mode=0755 cgroup /sys/fs/cgroup
|
|
|
|
mount -o remount,rw /sys/fs/cgroup
|
|
|
|
sed -e 1d /proc/cgroups | while read sys hierarchy num enabled; do
|
|
if [ "$enabled" != "1" ]; then
|
|
# subsystem disabled; skip
|
|
continue
|
|
fi
|
|
|
|
grouping="$(cat /proc/self/cgroup | cut -d: -f2 | grep "\\<$sys\\>")" || true
|
|
if [ -z "$grouping" ]; then
|
|
# subsystem not mounted anywhere; mount it on its own
|
|
grouping="$sys"
|
|
fi
|
|
|
|
mountpoint="/sys/fs/cgroup/$grouping"
|
|
|
|
mkdir -p "$mountpoint"
|
|
|
|
# clear out existing mount to make sure new one is read-write
|
|
if mountpoint -q "$mountpoint"; then
|
|
umount "$mountpoint"
|
|
fi
|
|
|
|
mount -n -t cgroup -o "$grouping" cgroup "$mountpoint"
|
|
|
|
if [ "$grouping" != "$sys" ]; then
|
|
if [ -L "/sys/fs/cgroup/$sys" ]; then
|
|
rm "/sys/fs/cgroup/$sys"
|
|
fi
|
|
|
|
ln -s "$mountpoint" "/sys/fs/cgroup/$sys"
|
|
fi
|
|
done
|
|
|
|
if ! test -e /sys/fs/cgroup/systemd ; then
|
|
mkdir /sys/fs/cgroup/systemd
|
|
mount -t cgroup -o none,name=systemd none /sys/fs/cgroup/systemd
|
|
fi
|
|
}
|
|
|
|
start_docker() {
|
|
mkdir -p /var/log
|
|
mkdir -p /var/run
|
|
|
|
if [ "$SKIP_PRIVILEGED" = "false" ]; then
|
|
sanitize_cgroups
|
|
|
|
# check for /proc/sys being mounted readonly, as systemd does
|
|
if grep '/proc/sys\s\+\w\+\s\+ro,' /proc/mounts >/dev/null; then
|
|
mount -o remount,rw /proc/sys
|
|
fi
|
|
fi
|
|
|
|
local mtu=$(cat /sys/class/net/$(ip route get 8.8.8.8|awk '{ print $5 }')/mtu)
|
|
local server_args="--mtu ${mtu}"
|
|
local registry=""
|
|
|
|
server_args="${server_args}"
|
|
|
|
if [ -n "$1" ]; then
|
|
server_args="${server_args} --registry-mirror https://$1"
|
|
fi
|
|
|
|
try_start() {
|
|
dockerd --data-root /scratch/docker ${server_args} >$DOCKER_LOG_FILE 2>&1 &
|
|
echo $! > /tmp/docker.pid
|
|
|
|
sleep 1
|
|
|
|
echo waiting for docker to come up...
|
|
until docker info >/dev/null 2>&1; do
|
|
sleep 1
|
|
if ! kill -0 "$(cat /tmp/docker.pid)" 2>/dev/null; then
|
|
return 1
|
|
fi
|
|
done
|
|
}
|
|
|
|
export server_args DOCKER_LOG_FILE
|
|
declare -fx try_start
|
|
|
|
if ! timeout ${STARTUP_TIMEOUT} bash -ce 'while true; do try_start && break; done'; then
|
|
echo Docker failed to start within ${STARTUP_TIMEOUT} seconds.
|
|
return 1
|
|
fi
|
|
}
|