diff options
Diffstat (limited to 'playbooks/roles/outbound/templates/proxy/nginx/dont-die-until-conn-closed.sh')
-rwxr-xr-x | playbooks/roles/outbound/templates/proxy/nginx/dont-die-until-conn-closed.sh | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/playbooks/roles/outbound/templates/proxy/nginx/dont-die-until-conn-closed.sh b/playbooks/roles/outbound/templates/proxy/nginx/dont-die-until-conn-closed.sh new file mode 100755 index 0000000..967c2c0 --- /dev/null +++ b/playbooks/roles/outbound/templates/proxy/nginx/dont-die-until-conn-closed.sh @@ -0,0 +1,56 @@ +#!/bin/bash + +echo "[/] sleeping to wait for some time for container to be marked as stop." +# https://stackoverflow.com/a/45146086 +sleep 3 + +pid_file="/run/nginx.pid" +max_wait_seconds=30 + +if [ ! -f "$pid_file" ]; then + echo "[!] Nginx PID file not found at $pid_file. Assuming Nginx not running or already stopped." + exit 0 +fi + +PID=$(cat "$pid_file") + +# Validate PID +if [ -z "$PID" ] || ! [[ "$PID" =~ ^[0-9]+$ ]]; then + echo "[!] Invalid PID found in $pid_file: '$PID'" + exit 1 +fi + +# Check if the process actually exists before sending quit +# kill -0 PID checks if a signal can be sent. +if ! kill -0 "$PID" 2>/dev/null; then + echo "[!] Nginx process $PID not found or already stopped." + exit 0 # Exit successfully +fi + +echo "[/] sending signal to nginx (PID: $PID) to quit" +nginx -s quit + +start_time=$SECONDS +echo "[/] Waiting for Nginx (PID: $PID) to stop (max ${max_wait_seconds}s)..." + +while [ -d /proc/$PID ]; do + current_time=$SECONDS + elapsed_time=$((current_time - start_time)) + + if [ "$elapsed_time" -ge "$max_wait_seconds" ]; then + echo "[!] Timeout: Nginx process $PID did not stop within ${max_wait_seconds} seconds." + echo "[!] Sending SIGKILL to PID $PID." + kill -9 "$PID" 2>/dev/null + + exit 1 + fi + + sleep 0.5 + if (( $(echo "$elapsed_time % 5" | bc) == 0 )); then + echo "[/] Nginx (PID: $PID) still running (waited ${elapsed_time}s)..." + fi +done + +echo "[+] Nginx process $PID stopped gracefully." +echo "[+] done. goodbye." +exit 0 |