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NishantRajputRN
2026-05-13 16:15:22 +05:30
parent 55c3cbdc66
commit 92d04988f4
1 changed files with 29 additions and 12 deletions
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scripts/setup-clickhouse.sh
+29 -12
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@@ -5,7 +5,7 @@
# #
# Usage (from repo root or any path): # Usage (from repo root or any path):
# bash scripts/setup-clickhouse.sh # bash scripts/setup-clickhouse.sh
# bash scripts/setup-clickhouse.sh --purge-existing # remove old clickhouse* packages first # bash scripts/setup-clickhouse.sh --purge-existing # one line; do not split after "--"
# CLICKHOUSE_CHANNEL=lts bash scripts/setup-clickhouse.sh # CLICKHOUSE_CHANNEL=lts bash scripts/setup-clickhouse.sh
# #
# Env: # Env:
@@ -18,34 +18,51 @@ SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]:-$0}")" && pwd)"
WAIT_FOR_APT_LOCK_SEC="${WAIT_FOR_APT_LOCK_SEC:-900}" WAIT_FOR_APT_LOCK_SEC="${WAIT_FOR_APT_LOCK_SEC:-900}"
APT_LOCK_SLEEP_SEC="${APT_LOCK_SLEEP_SEC:-5}" APT_LOCK_SLEEP_SEC="${APT_LOCK_SLEEP_SEC:-5}"
# Wait until unattended-upgrades / another apt releases dpkg locks (avoids E: Could not get lock ... lock-frontend). # Wait until dpkg/apt can run (avoids E: Could not get lock ... lock-frontend).
# Uses non-blocking flock(1) on the same lock files apt/dpkg use — not fuser on lists/archives
# locks, which can look "busy" for a long time and cause endless waits.
wait_for_apt_lock() { wait_for_apt_lock() {
local waited=0 local waited=0
local last_holder_line=-1
while true; do while true; do
if ! _apt_lock_held; then if _dpkg_locks_available; then
return 0 return 0
fi fi
if (( waited >= WAIT_FOR_APT_LOCK_SEC )); then if (( waited >= WAIT_FOR_APT_LOCK_SEC )); then
echo "Error: timed out after ${WAIT_FOR_APT_LOCK_SEC}s waiting for apt/dpkg lock." >&2 echo "Error: timed out after ${WAIT_FOR_APT_LOCK_SEC}s waiting for apt/dpkg lock." >&2
echo "Another process is using apt (often PID 1 child: unattended-upgrades). Check:" >&2 echo "Check what holds the lock:" >&2
echo " sudo ps aux | egrep 'apt|dpkg' | grep -v egrep" >&2 echo " sudo fuser -v /var/lib/dpkg/lock-frontend /var/lib/dpkg/lock 2>&1 | head -20" >&2
echo " sudo ps aux | egrep '[a]pt|[d]pkg'" >&2
echo " sudo systemctl status unattended-upgrades" >&2 echo " sudo systemctl status unattended-upgrades" >&2
echo "Then re-run this script, or set WAIT_FOR_APT_LOCK_SEC=3600 to wait longer." >&2 echo "Then re-run, or set WAIT_FOR_APT_LOCK_SEC=3600 to wait longer." >&2
exit 1 exit 1
fi fi
echo "==> Waiting for apt/dpkg lock to clear (${waited}s / ${WAIT_FOR_APT_LOCK_SEC}s max)..." echo "==> Waiting for apt/dpkg lock to clear (${waited}s / ${WAIT_FOR_APT_LOCK_SEC}s max)..."
if (( waited >= 60 && waited != last_holder_line && waited % 60 == 0 )); then
last_holder_line=$waited
if command -v fuser >/dev/null 2>&1; then
echo " (lock holders: $(sudo fuser /var/lib/dpkg/lock-frontend /var/lib/dpkg/lock 2>/dev/null | tr -s ' ' || true))" >&2
fi
fi
sleep "$APT_LOCK_SLEEP_SEC" sleep "$APT_LOCK_SLEEP_SEC"
waited=$((waited + APT_LOCK_SLEEP_SEC)) waited=$((waited + APT_LOCK_SLEEP_SEC))
done done
} }
_apt_lock_held() { # True if we can take an exclusive flock on dpkg locks right now (same mechanism apt uses).
if command -v fuser >/dev/null 2>&1; then _dpkg_locks_available() {
sudo fuser /var/lib/dpkg/lock-frontend /var/lib/dpkg/lock \ if ! command -v flock >/dev/null 2>&1; then
/var/cache/apt/archives/lock /var/lib/apt/lists/lock >/dev/null 2>&1 echo "Error: flock(1) not found (install util-linux)." >&2
return $? exit 1
fi fi
pgrep -x apt >/dev/null 2>&1 || pgrep -x apt-get >/dev/null 2>&1 || pgrep -x dpkg >/dev/null 2>&1 local f
for f in /var/lib/dpkg/lock-frontend /var/lib/dpkg/lock; do
[[ -e "$f" ]] || continue
if ! sudo flock -n "$f" true 2>/dev/null; then
return 1
fi
done
return 0
} }
apt_get() { apt_get() {