From 4d08e3142c8008c518bb0fb1b3fa13eb33e5e8a0 Mon Sep 17 00:00:00 2001
From: "Costa Tsaousis (ktsaou)" <costa@tsaousis.gr>
Date: Sat, 14 Jan 2017 02:41:01 +0200
Subject: [PATCH] added alarms for common UDP buffer errors

---
 conf.d/Makefile.am              |  1 +
 conf.d/health.d/udp_errors.conf | 40 +++++++++++++++++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 conf.d/health.d/udp_errors.conf

diff --git a/conf.d/Makefile.am b/conf.d/Makefile.am
index fbffc0f8..7ab660f0 100644
--- a/conf.d/Makefile.am
+++ b/conf.d/Makefile.am
@@ -79,6 +79,7 @@ dist_healthconfig_DATA = \
     health.d/squid.conf \
     health.d/swap.conf \
     health.d/tcp_resets.conf \
+    health.d/udp_errors.conf \
     $(NULL)
 
 chartsconfigdir=$(configdir)/charts.d
diff --git a/conf.d/health.d/udp_errors.conf b/conf.d/health.d/udp_errors.conf
new file mode 100644
index 00000000..98e955c0
--- /dev/null
+++ b/conf.d/health.d/udp_errors.conf
@@ -0,0 +1,40 @@
+# -----------------------------------------------------------------------------
+
+   alarm: ipv4_udperrors_last_collected_secs
+      on: ipv4.udperrors
+    calc: $now - $last_collected_t
+   units: seconds ago
+   every: 10s
+    warn: $this > (($status >= $WARNING)  ? ($update_every) : ( 5 * $update_every))
+    crit: $this > (($status == $CRITICAL) ? ($update_every) : (60 * $update_every))
+   delay: up 0 down 5m multiplier 1.5 max 1h
+    info: number of seconds since the last successful data collection
+      to: sysadmin
+
+# -----------------------------------------------------------------------------
+# UDP receive buffer errors
+
+   alarm: 1m_ipv4_udp_receive_buffer_errors
+      on: ipv4.udperrors
+  lookup: sum -1m unaligned absolute of RcvbufErrors
+   units: errors
+   every: 10s
+    warn: $this > 0
+    crit: $this > 100
+    info: number of UDP receive buffer errors during the last minute
+   delay: up 0 down 60m multiplier 1.2 max 2h
+      to: sysadmin
+
+# -----------------------------------------------------------------------------
+# UDP send buffer errors
+
+   alarm: 1m_ipv4_udp_send_buffer_errors
+      on: ipv4.udperrors
+  lookup: sum -1m unaligned absolute of SndbufErrors
+   units: errors
+   every: 10s
+    warn: $this > 0
+    crit: $this > 100
+    info: number of UDP send buffer errors during the last minute
+   delay: up 0 down 60m multiplier 1.2 max 2h
+      to: sysadmin
-- 
2.39.2