X-Git-Url: http://git.pippins.net/embedvideo/.git/static/git-logo.png?a=blobdiff_plain;ds=sidebyside;f=zfs-replicate-all;fp=zfs-replicate-all;h=8dc4a05baa8f2402419a0f876c21b0004e2fb136;hb=a88b8f570c5a8add46b3ec98cbb8c5556561741e;hp=0000000000000000000000000000000000000000;hpb=10a71c7b97fad02881bd9cc0c1b512a204cf884f;p=zfs-ubuntu%2F.git diff --git a/zfs-replicate-all b/zfs-replicate-all new file mode 100755 index 0000000..8dc4a05 --- /dev/null +++ b/zfs-replicate-all @@ -0,0 +1,107 @@ +#!/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. + +# source our configuration +config="${0%/*}/zfs-scripts.conf" +[ -e "${config}.dist" ] && . ${config}.dist +[ -e "${config}" ] && . ${config} + +# Setup some default values +logfile="$logdir/zfs-replicate.log" +mylogfile="$logdir/zfs-replicate-all.log" +date=`date` +starttime=`date +%s` + +# This function checks to see if our runtime has exceeded our stoptime +timeexceeded() { + if [[ $maxruntime == 0 ]]; then + return 0 + fi + currenttime=`date +%s` + elapsedtime=$(($currenttime - $starttime)) + stoptime=$(($maxruntime*60)) + if [[ $elapsedtime -gt $stoptime ]]; then + #echo "$elapsedtime > $stoptime" + return 1 + fi + #echo "$elapsedtime < $stoptime" + return 0 +} + +# This function cleanup and exit trap +cleanup_and_exit() { + #echo "cleanup and exit" + rm -rf "$lockdir" + exit 0 +} +trap cleanup_and_exit INT + +# This function executes the replicate command and checks the stoptime +replicate() { + zfs-replicate $* >> $logfile 2>&1 + timeexceeded + if [ $? == 1 ]; then + cleanup_and_exit + fi +} + +# This function obtains the date a given snapshot was created in epoch seconds +snapshot_age() { + snapshot=${local_pool}/${1}${previous_backup_marker} + $zfs list -t snapshot ${snapshot} > /dev/null 2>&1 + if [ $? == 0 ]; then + $zfs get creation ${snapshot} > /dev/null 2>&1 + if [ $? == 0 ]; then + snap_creation=`$zfs get creation ${snapshot} | grep $1 | awk '{ print $3" "$4" "$5" "$6" "$7 }'` + snap_age=`date -d "$snap_creation" +%s` + echo "$snap_age" + else + echo "0" + fi + else + echo "0" + fi +} + +# Obtain the zpool guid for the local pool +local_pool_guid=`zpool get guid $local_pool 2>&1 | grep $local_pool | awk '{ print $3 }'` +zpool get guid $local_pool > /dev/null 2>&1 +if [ $? != 0 ]; then + echo >&2 "-E- Unable to extract the guid for the local pool: $local_pool" + exit 1 +fi + +# Setup our backup marker names +current_backup_marker=@current-backup-${local_pool_guid} +previous_backup_marker=@previous-backup-${local_pool_guid} + +# Auto snapshot every zfs filesystem on the system specified below +echo "$date ZFS replicate started" >> $logfile +echo "$date ZFS replicate started" | tee -a $mylogfile + +# Sort the filesystems to replicate by the oldest backup first +tmpfile=`tempfile` +for filesystem in $filesystems_to_replicate; do + age=`snapshot_age $filesystem` + echo $filesystem $age >> $tmpfile +done +sorted_filesystems=`cat $tmpfile | sort -n -k 2 | awk '{ print $1 }'` +rm -f $tmpfile + +# Replicate the sorted filesystems +for filesystem in $sorted_filesystems; do + echo "-> Replicating $remote:$filesystem to ${local_pool}/${filesystem}" | tee -a $mylogfile + replicate $remote $filesystem +done + +# All done +echo `date` ZFS replicate complete >> $logfile +echo `date` ZFS replicate complete | tee -a $mylogfile + +# Parse the log file and extract our backup stats +zfs-log-parser "$logfile" "$date" >> $logfile +zfs-log-parser "$logfile" "$date" | tee -a $mylogfile +