From c090301a86df52845742102c9f361c0fc2a0057b Mon Sep 17 00:00:00 2001
From: "Costa Tsaousis (ktsaou)" <costa@tsaousis.gr>
Date: Sun, 11 Sep 2016 22:07:23 +0300
Subject: [PATCH] added alarm when interfaces stop collected

---
 conf.d/health.d/net.conf | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/conf.d/health.d/net.conf b/conf.d/health.d/net.conf
index 5047d259..b96677b2 100644
--- a/conf.d/health.d/net.conf
+++ b/conf.d/health.d/net.conf
@@ -1,6 +1,21 @@
+# -----------------------------------------------------------------------------
+# make sure we collect values for each interface
+
+template: interface_last_collected_secs
+      on: net.net
+    calc: $now - $last_collected_t
+   every: 10s
+    warn: $this > ( 5 * $update_every)
+    crit: $this > (60 * $update_every)
+   units: seconds ago
+    info: number of seconds since the last successful data collection
+      to: sysadmin
+
+
+# -----------------------------------------------------------------------------
 
 # check if an interface is dropping packets
-# the alarm is checked every 10 seconds
+# the alarm is checked every 1 minute
 # and examines the last hour of data
 
 template: 1hour_packet_drops
@@ -13,9 +28,11 @@ template: 1hour_packet_drops
       to: sysadmin
 
 
+# -----------------------------------------------------------------------------
+
 # check if an interface is having FIFO
 # buffer errors
-# the alarm is checked every 10 seconds
+# the alarm is checked every 1 minute
 # and examines the last hour of data
 
 template: 1hour_fifo_errors
-- 
2.39.2