zfs_count angelegt

zfs_count

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+#!/bin/bash
+#%# family=auto
+#%# capabilities=autoconf
+
+# Michael Grote
+# michael.grote ät posteo.de
+# Outputs the count of zfs pools, datasets and snapshots.
+
+# lese alle pools, sed löscht die erste zeile
+list_pools=$(zpool list | sed 1d)
+
+# 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 <pool>.label <pool> snapshots
+    echo $line | awk '{print $1"_snapshot.label " $1 " snapshots"}'
+    echo $line | awk '{print $1"_dataset.label " $1 " datasets"}'
+  done <<< "$list_pools"
+  echo 'pools.label pools'
+  # setze optionen
+  echo 'graph_title zfs -  pool, dataset and snapshot count' # Titelzeile
+  echo 'graph_vlabel count' # Text links, hochkant
+  echo 'graph_category fs' # Kategorie
+  echo 'graph_args -l 0' # wertebegrenzer 0-100
+  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
+  echo pools.value $(zpool list | sed 1d | wc -l)
+  # setze poolnamen
+  poolname=$(echo $line | awk '{ print $1 }')
+  # zähle snapshots
+  echo $poolname"_snapshot.value" $(zfs list -r -t snapshot $poolname| sed 1d | wc -l)
+  echo $poolname"_dataset.value" $(zfs list -r $poolname| sed 1d | wc -l)
+done <<< "$list_pools"
+exit 0