bundles/zfs: import bundle from work repository

bundles/zfs/files/check_zfs_volumes

@@ -0,0 +1,26 @@
+#!/bin/bash
+# Written by jpaul, 2017-03
+# Extended by El Pinguino, 2017-07
+
+<%
+datasetlist = sorted(node.metadata.get('zfs', {}).get('datasets', {}).items())
+volumes = []
+for dataset, options in datasetlist:
+    if options.get('mountpoint', 'none') != 'none':
+        volumes.append(dataset)
+%>\
+
+exitcode=0
+% for volume in volumes:
+if [[ "$(zfs get -Hp -o value mounted '${volume}')" != "yes" ]]
+then
+    echo 'CRITICAL - ${volume} not mounted'
+    exitcode=2
+fi
+% endfor
+
+if (( exitcode == 0 ))
+then
+    echo OK
+fi
+exit $exitcode