Merge all the work Alan's done for the past 8 years

[zfs-ubuntu/.git] / zfs-autosnap

diff --git a/zfs-autosnap b/zfs-autosnap
index cfe80aaab8adb067e0cfa1615186f716ce96f548..09e1a629b21ece6dbdd7a2f46c18aff4464b734a 100755 (executable)
--- a/zfs-autosnap
+++ b/zfs-autosnap
@@ -5,10 +5,13 @@
 #              It also employs an intelligent algorithm to roll off,
 #              or destroy, old snapshots.
 
-PATH=/usr/sbin:/sbin:$PATH
+# source our configuration
+config="${0%/*}/zfs-scripts.conf"
+[ -e "${config}.dist" ] && . ${config}.dist
+[ -e "${config}" ] && . ${config}
 
-if [ -z "$SNAP_UNDER_TEST" ]; then
-    exec >> /var/log/zfs/zfs-autosnap.log 2>&1
+if [[ -z "$SNAP_UNDER_TEST" ]]; then
+    exec >> $logdir/zfs-autosnap.log 2>&1
 fi
 
 # This script makes the following assumptions/requirements:
@@ -50,7 +53,6 @@ filesystem=$1
 mountpoint=${2-/$1}
 numsnapshots=${3-12}
 maxagedays=${4-0}
-lockdir="/tmp/${filesystem}.lock"
 pool=`echo "$filesystem" | awk -F '/' '{ print $1 }'`
 
 if [ -z "$filesystem" ] || [ -z "$mountpoint" ] || [ -z "$numsnapshots" ] || [ -z "$maxagedays" ]; then
@@ -77,7 +79,7 @@ fi
 # Check to see if this zfs filesystem has a scrub being performed on it now.
 # If it does, we cannot perform any snapshot create or destroy operations.
 if [ -z "$SNAP_UNDER_TEST" ]; then
-    zpool status $pool | grep scrub: | grep "in progress" > /dev/null 2>&1
+    zpool status $pool | grep scan: | grep "in progress" > /dev/null 2>&1
     if [ $? == 0 ]; then
        echo "-W- The zfs pool '$pool' is currently being scrubbed. Skipping all snapshot operations."
        exit 0
@@ -111,8 +113,8 @@ snapshot "${filesystem}@${datetime}"
 
 minutes=$(echo $datetime | datetime_to_minutes)
 
-lockdir="/tmp/zfs-admin-lock"
 if ! mkdir "$lockdir" >/dev/null 2>&1; then
+  echo "-W- The zfs filesystem has been locked down. Skipping snapshot cleanup."
   exit 0
 fi
 cleanup() { rm -rf "$lockdir"; }