Preparing for reloading haproxy

scripts/exit-event-listener.py

@@ -0,0 +1,18 @@
+#!/usr/bin/env python
+
+import os
+import signal
+
+from supervisor import childutils
+
+def main():
+    while True:
+        headers, payload = childutils.listener.wait()
+        childutils.listener.ok()
+        events = ['PROCESS_STATE_FATAL', 'PROCESS_STATE_EXITED', 'PROCESS_STATE_STOPPED']
+        if not (headers['eventname'] in events):
+            continue
+        os.kill(os.getppid(), signal.SIGTERM)
+
+if __name__ == "__main__":
+    main()

scripts/haproxy-reload.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+echo "Reloading..."
+
+/usr/local/sbin/haproxy -W -f /etc/haproxy/haproxy.cfg -p /run/haproxy.pid -x /var/run/haproxy.sock -sf $(cat /run/haproxy.pid) &

scripts/haproxy.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+/usr/local/sbin/haproxy -W -f /etc/haproxy/haproxy.cfg -p /run/haproxy.pid -S /var/run/haproxy.sock
+
+while true; do
+    sleep 60
+done