From c1e582586d398b4452f568240985247294f645ef Mon Sep 17 00:00:00 2001
From: William Hubbs <w.d.hubbs@gmail.com>
Date: Tue, 9 Oct 2018 17:49:02 -0500
Subject: supervise-daemon: add health checks

Health checks are a way to monitor a service and make sure it stays
healthy.

If a service is not healthy, it will be automatically restarted after
running the unhealthy() function to clean up.
---
 sh/supervise-daemon.sh | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'sh')

diff --git a/sh/supervise-daemon.sh b/sh/supervise-daemon.sh
index 80e0260c..73a70140 100644
--- a/sh/supervise-daemon.sh
+++ b/sh/supervise-daemon.sh
@@ -10,6 +10,8 @@
 # This file may not be copied, modified, propagated, or distributed
 #    except according to the terms contained in the LICENSE file.
 
+extra_commands="healthcheck unhealthy ${extra_commands}"
+
 supervise_start()
 {
 	if [ -z "$command" ]; then
@@ -32,6 +34,8 @@ supervise_start()
 		${respawn_delay:+--respawn-delay} $respawn_delay \
 		${respawn_max:+--respawn-max} $respawn_max \
 		${respawn_period:+--respawn-period} $respawn_period \
+		${healthcheck_delay:+--healthcheck-delay} $healthcheck_delay \
+		${healthcheck_timer:+--healthcheck-timer} $healthcheck_timer \
 		${command_user+--user} $command_user \
 		${umask+--umask} $umask \
 		${supervise_daemon_args:-${start_stop_daemon_args}} \
@@ -98,3 +102,13 @@ supervise_status()
 		return 3
 	fi
 }
+
+healthcheck()
+{
+	return 0
+}
+
+unhealthy()
+{
+	return 0
+}
-- 
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