From a194f4c430216655a0603482dd4c7746e8505c23 Mon Sep 17 00:00:00 2001
From: Michael Grote <michael.grote@posteo.de>
Date: Wed, 15 Sep 2021 21:03:00 +0200
Subject: [PATCH] zpool_fragmentation

---
 zpool_fragmentation | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 zpool_fragmentation

diff --git a/zpool_fragmentation b/zpool_fragmentation
new file mode 100644
index 0000000..79c238a
--- /dev/null
+++ b/zpool_fragmentation
@@ -0,0 +1,43 @@
+#!/bin/bash
+#%# family=auto
+#%# capabilities=autoconf
+
+# selbst geschrieben
+
+# lese alle pool, lösche die erste zeile
+# entferne das %-zeichen
+list=$(zpool list | sed 1d | tr -d %)
+
+# wenn parameter = ...
+if [ "$1" = "autoconf" ]; then
+  echo yes
+  exit 0
+fi
+
+if [ "$1" = "config" ]; then
+  # https://superuser.com/questions/284187/bash-iterating-over-lines-in-a-variable
+  while read -r line; do
+    # setze label
+    echo $line | awk '{print $1".label " $1}'
+    # setze warn-limits
+    echo $line | awk '{print $1".warning " 50}'
+    echo $line | awk '{print $1".critical " 75}'
+  done <<< "$list"
+  # setze optionen
+  echo 'graph_title zpool fragmentation'
+  echo 'graph_vlabel fragmentation in %'
+  echo 'graph_category fs'
+  echo 'graph_info This graph shows the ZFS Pool fragmentation.'
+  echo 'graph_args -l 0 --upper-limit 100'
+  exit 0
+fi
+
+# lese jede Zeile der Variable $list
+# tue für jede Zeile
+# "echo" die Zeile, wende awk drauf, Spalte $1/$7
+while read -r line; do
+  # gebe wert aus
+  # <name>.value <wert>
+  echo $line | awk '{print $1".value " $7}'
+done <<< "$list"
+exit 0