Merging upstream version 1.11.0+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 29 insertions, 0 deletions

diff --git a/health/health.d/netfilter.conf b/health/health.d/netfilter.conf
new file mode 100644
index 000000000..1d07752cc
--- /dev/null
+++ b/health/health.d/netfilter.conf
@@ -0,0 +1,29 @@
+
+# you can disable an alarm notification by setting the 'to' line to: silent
+
+   alarm: netfilter_last_collected_secs
+      on: netfilter.conntrack_sockets
+      os: linux
+   hosts: *
+    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: down 5m multiplier 1.5 max 1h
+    info: number of seconds since the last successful data collection
+      to: sysadmin
+
+   alarm: netfilter_conntrack_full
+      on: netfilter.conntrack_sockets
+      os: linux
+   hosts: *
+  lookup: max -10s unaligned of connections
+    calc: $this * 100 / $netfilter_conntrack_max
+   units: %
+   every: 10s
+    warn: $this > (($status >= $WARNING)  ? (70) : (80))
+    crit: $this > (($status == $CRITICAL) ? (80) : (90))
+   delay: down 5m multiplier 1.5 max 1h
+    info: the number of connections tracked by the netfilter connection tracker, as a percentage of the connection tracker table size
+      to: sysadmin