X-Git-Url: http://git.pippins.net/embedvideo/.git/?a=blobdiff_plain;f=zfs-replicate-wrapper-local;fp=zfs-replicate-wrapper-local;h=1f21c5ed3ec8bd5649b0510ae8c46907c970603c;hb=e5bbf1952d51ab406d73ddb49496422c2d7ebb61;hp=0000000000000000000000000000000000000000;hpb=2829ebd14041598193f7291c472380a257afda7d;p=zfs-nexenta%2F.git

diff --git a/zfs-replicate-wrapper-local b/zfs-replicate-wrapper-local
new file mode 100755
index 0000000..1f21c5e
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+++ b/zfs-replicate-wrapper-local
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+#!/bin/bash
+
+# Author: Alan J. Pippin
+# Description: This script calls zfs-replicate for each filesystem needing
+#              to be backed up, or replicated, to another ZFS pool.
+
+# Setup some default values
+replicate="/usr/local/etc/bin/zfs-replicate"
+logfile_parser="/usr/local/etc/bin/zfs-log-parser"
+logfile="/var/log/zfs/zfs-replicate.log"
+lockdir="/tmp/zfs-admin-lock"
+mailto=root
+destpool="backups"
+maxsleeptime=60
+maxattempts=600
+released_lock_date=0
+date=`date`
+
+# Setup our cleanup and exit trap
+cleanup() { 
+  rm -rf "$lockdir"
+  if [ $released_lock_date == 0 ]; then 
+    zpool export $destpool
+    /usr/local/etc/bin/ext-drive-power off
+    echo `date` ZFS admin lock released >> $logfile
+  fi
+  exit
+}
+trap cleanup INT
+
+# Auto snapshot every zfs filesystem on the system specified below
+echo "$date Polling for ZFS admin lock" >> $logfile
+
+# Poll for a lock on the zfs subsystem, and make the lock once we can do so
+attempts=0
+while true; do
+  if ! mkdir "$lockdir" >/dev/null 2>&1; then
+    # Another zfs admin tool is running.
+    # Wait a random amount of time and try again
+    ransleep=$(($RANDOM % $maxsleeptime))
+    sleep $ransleep
+    ((attempts=attempts+1))
+  else 
+    # No other zfs admin tool is running, we can now.
+    break
+  fi
+  if [[ $attempts -gt $maxattempts ]]; then
+    # We've exceeded our maximum while loop count
+    ls -ld $lockdir | /usr/bin/mailx -s "zfs-replicate-all unable to obtain zfs admin lock" $mailto
+    exit 1
+  fi
+done
+date=`date`;
+echo "$date ZFS admin lock obtained" >> $logfile
+
+# Poweron the destpool and import it
+/usr/local/etc/bin/ext-drive-power on >> $logfile
+zpool import $destpool
+
+# List the filesystems to replicate
+# The parent filesystems MUST be listed ahead
+# of the children filesystems.
+# Pool root filesystems must end with a slash.
+$replicate tank/ $destpool
+$replicate tank/var $destpool
+$replicate tank/usr $destpool
+$replicate tank/usr/home $destpool
+$replicate tank/usr/videos $destpool
+$replicate tank/usr/local $destpool
+$replicate tank/usr/local/etc $destpool
+$replicate tank/usr/local/var $destpool
+$replicate tank/backup $destpool
+
+# Export the destpool and power it down
+zpool export $destpool
+/usr/local/etc/bin/ext-drive-power off >> $logfile
+
+# Release our lock
+released_lock_date=1
+echo `date` ZFS admin lock released >> $logfile
+
+# Parse the log file and extract our backup stats
+$logfile_parser "$logfile" "$date" >> $logfile
+
+# clean things up and exit
+cleanup
+