Fix swap accounting if there are multiple devices [1]

Add a few zfs related plugins [2]

PR:		210494 [1]
Submitted by:	bcr [2]
Reported by:	Fabian Keil [1]
Sponsored by:	Absolight

sysutils/munin-common/files/patch-plugins_node.d.freebsd_memory.in

@@ -0,0 +1,8 @@
+--- plugins/node.d.freebsd/memory.in.orig	2014-11-24 21:46:24 UTC
++++ plugins/node.d.freebsd/memory.in
+@@ -74,4 +74,4 @@ echo wired.value $(($WIRED_COUNT*$PAGESI
+ echo buffers.value $(($BUFFERS_COUNT))
+ echo cached.value $(($CACHE_COUNT*$PAGESIZE))
+ echo free.value $(($FREE_COUNT*$PAGESIZE))
+-echo swap.value $(swapinfo -k | awk '{sum += $3}; END {print sum * 1024}')
++echo swap.value $(swapinfo -k | awk '!/^Total/ && !/^Device/ {sum += $3}; END {print sum * 1024}')

sysutils/munin-node/Makefile

@@ -3,7 +3,7 @@
 
 PORTNAME=	munin
 PORTVERSION=	${MUNIN_VERSION}
-PORTREVISION=	6
+PORTREVISION=	7
 CATEGORIES=	sysutils perl5
 MASTER_SITES=	${MUNIN_SITES}
 PKGNAMESUFFIX=	-node

sysutils/munin-node/plugins/zfs_compress

@@ -0,0 +1,27 @@
+#!/bin/sh
+#
+# $FreeBSD$
+
+set -e
+set -u
+
+cat <<'EOM'
+graph_title ZFS dataset compression ratio 
+graph_vlabel ratio 
+graph_category ZFS
+graph_info This graph shows the ZFS dataset compression ratio
+EOM
+
+listing=$(zfs get -t filesystem -H compressratio)
+
+while read -r label _ ratio _; do
+	clean_label=$(echo "${label}" | sed -e 's|/|__|g')
+	echo "${clean_label}.label ${label}"
+	echo "${clean_label}.value ${ratio%x}"
+done <<eot
+${listing}
+eot
+
+exit 0
+
+

sysutils/munin-node/plugins/zpool_chksum

@@ -0,0 +1,34 @@
+#!/bin/sh
+#
+# $FreeBSD$
+
+set -e
+set -u
+
+cat <<'EOM'
+graph_title ZFS dataset error counters
+graph_vlabel amount of errors
+graph_category ZFS
+graph_info This graph shows the ZFS dataset error counters for reads, writes, and checksums
+EOM
+
+status=$(zpool status|awk 'BEGIN {p=0} /spares$/ || /^$/ {p=0} p==1 {print} /NAME.*STATE.*READ/ {p=1}')
+
+while read -r label _ r w c; do
+	echo "R${label}.label READ ${label} "
+	echo "R${label}.value ${r}"
+	echo "R${label}.warning 1"
+	echo "R${label}.critical 2"
+	echo "W${label}.label WRITE ${label} "
+	echo "W${label}.value ${w}"
+	echo "W${label}.warning 1"
+	echo "W${label}.critical 2"
+	echo "C${label}.label CHKSUM ${label}"
+	echo "C${label}.value ${c}"
+	echo "C${label}.warning 1"
+	echo "C${label}.critical 2"
+done <<eot
+${status}
+eot
+
+exit 0

sysutils/munin-node/plugins/zpool_dedup

@@ -0,0 +1,25 @@
+#!/bin/sh
+#
+# $FreeBSD$
+
+set -e
+set -u
+
+cat <<'EOM'
+graph_title ZFS deduplication ratio
+graph_vlabel ratio
+graph_category ZFS
+graph_info This graph shows the ZFS pool deduplication ratio
+EOM
+
+listing=$(zpool get -H dedup)
+
+while read -r label _ ratio _; do
+	echo "${label}.label ${label}"
+	echo "${label}.value ${ratio%x}"
+done <<eot
+${listing}
+eot
+
+exit 0
+