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7c7ad03e1e
Update our CI script to no longer attempt to stop docker. We don't call it anyway and it will be one less moving part trying to diagnose why `dockerd` sometimes terminates early. See gh-18127
102 lines
2.6 KiB
Bash
102 lines
2.6 KiB
Bash
# Based on: https://github.com/concourse/docker-image-resource/blob/master/assets/common.sh
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DOCKER_LOG_FILE=${DOCKER_LOG_FILE:-/tmp/docker.log}
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SKIP_PRIVILEGED=${SKIP_PRIVILEGED:-false}
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STARTUP_TIMEOUT=${STARTUP_TIMEOUT:-120}
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sanitize_cgroups() {
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mkdir -p /sys/fs/cgroup
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mountpoint -q /sys/fs/cgroup || \
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mount -t tmpfs -o uid=0,gid=0,mode=0755 cgroup /sys/fs/cgroup
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mount -o remount,rw /sys/fs/cgroup
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sed -e 1d /proc/cgroups | while read sys hierarchy num enabled; do
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if [ "$enabled" != "1" ]; then
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# subsystem disabled; skip
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continue
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fi
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grouping="$(cat /proc/self/cgroup | cut -d: -f2 | grep "\\<$sys\\>")" || true
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if [ -z "$grouping" ]; then
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# subsystem not mounted anywhere; mount it on its own
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grouping="$sys"
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fi
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mountpoint="/sys/fs/cgroup/$grouping"
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mkdir -p "$mountpoint"
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# clear out existing mount to make sure new one is read-write
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if mountpoint -q "$mountpoint"; then
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umount "$mountpoint"
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fi
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mount -n -t cgroup -o "$grouping" cgroup "$mountpoint"
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if [ "$grouping" != "$sys" ]; then
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if [ -L "/sys/fs/cgroup/$sys" ]; then
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rm "/sys/fs/cgroup/$sys"
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fi
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ln -s "$mountpoint" "/sys/fs/cgroup/$sys"
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fi
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done
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if ! test -e /sys/fs/cgroup/systemd ; then
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mkdir /sys/fs/cgroup/systemd
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mount -t cgroup -o none,name=systemd none /sys/fs/cgroup/systemd
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fi
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}
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start_docker() {
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mkdir -p /var/log
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mkdir -p /var/run
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if [ "$SKIP_PRIVILEGED" = "false" ]; then
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sanitize_cgroups
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# check for /proc/sys being mounted readonly, as systemd does
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if grep '/proc/sys\s\+\w\+\s\+ro,' /proc/mounts >/dev/null; then
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mount -o remount,rw /proc/sys
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fi
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fi
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local mtu=$(cat /sys/class/net/$(ip route get 8.8.8.8|awk '{ print $5 }')/mtu)
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local server_args="--mtu ${mtu}"
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local registry=""
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server_args="${server_args}"
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for registry in $3; do
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server_args="${server_args} --insecure-registry ${registry}"
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done
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if [ -n "$4" ]; then
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server_args="${server_args} --registry-mirror $4"
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fi
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try_start() {
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dockerd --data-root /scratch/docker ${server_args} >$DOCKER_LOG_FILE 2>&1 &
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echo $! > /tmp/docker.pid
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sleep 1
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echo waiting for docker to come up...
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until docker info >/dev/null 2>&1; do
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sleep 1
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if ! kill -0 "$(cat /tmp/docker.pid)" 2>/dev/null; then
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return 1
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fi
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done
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}
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export server_args DOCKER_LOG_FILE
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declare -fx try_start
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if ! timeout ${STARTUP_TIMEOUT} bash -ce 'while true; do try_start && break; done'; then
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echo Docker failed to start within ${STARTUP_TIMEOUT} seconds.
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return 1
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fi
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}
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