X-Git-Url: http://git.pippins.net/embedvideo/.git/static/gitweb.js?a=blobdiff_plain;f=zfs-replicate-all;h=66949dfaa0c3a4b299dc79c0d4c14f3fa123c688;hb=7efa74b7c3ad633378498822fe408b3d2da2dcca;hp=6f105d673064f450780fd13305edc79b8ca5fb35;hpb=e27e0c7b91fd87d322736b79974f5488490dd20f;p=zfs-ubuntu%2F.git

diff --git a/zfs-replicate-all b/zfs-replicate-all
index 6f105d6..66949df 100755
--- a/zfs-replicate-all
+++ b/zfs-replicate-all
@@ -50,6 +50,18 @@ cleanup_and_exit() {
 }
 trap cleanup_and_exit INT
 
+fatal() {
+  # echo message to terminal
+  echo -e 2>&1 "$1"
+  # send email notification
+  echo -e "$1" | $mailx -s "zfs-replicate-all on $hostname failed" "$mailto"
+}
+
+fatal_and_exit() {
+  fatal $*
+  exit 1
+}
+
 # This function executes the replicate command and checks the stoptime
 replicate() { 
   zfs-replicate $*  >> $logfile 2>&1
@@ -61,7 +73,7 @@ replicate() {
 
 # This function obtains the date a given snapshot was created in epoch seconds
 snapshot_age() {
-  snapshot=${local_pool}/${1}${previous_backup_marker}
+  snapshot=${backup_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
@@ -77,35 +89,75 @@ snapshot_age() {
   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 $local_pool > /dev/null 2>&1
+# Replicate every zfs filesystem specified in the config file
+echo "$date ZFS replicate started" >> $logfile
+echo "$date ZFS replicate started" | tee -a $mylogfile
+
+# Loop over each backup pool
+backup_pools=$backup_pool
+for backup_pool in $backup_pools; do
+
+# Import the local backup pool if needed and the option is given to do so, else error out
+zpool list -H "$backup_pool" >/dev/null 2>&1
 if [ $? != 0 ]; then
-  echo >&2 "-E- Unable to extract the guid for the local pool: $local_pool"
-  exit 1
+  if [[ $import_export_backup_pool == 1 ]]; then
+    zpool import $backup_pool
+    if [ $? != 0 ]; then
+      fatal_and_exit "-E- unable to import the backup pool $backup_pool on $hostname" "$mailto"
+    fi
+  else 
+    fatal_and_exit "-E- The local backup pool on $hostname, '$backup_pool' doesn't seem to exist." "$mailto"
+  fi
 fi
 
-# Setup our backup marker names
-current_backup_marker=@current-backup-${local_pool_guid}
-previous_backup_marker=@previous-backup-${local_pool_guid}
+# Obtain the zpool guid for the local backup pool
+backup_pool_guid=`zpool get guid $backup_pool 2>&1 | grep $backup_pool | awk '{ print $3 }'`
+zpool get guid $backup_pool > /dev/null 2>&1
+if [ $? != 0 ]; then
+  fatal_and_exit "-E- Unable to extract the guid for the local backup pool on $hostname: $backup_pool" "$mailto"
+fi
 
-# Auto snapshot every zfs filesystem on the system specified below
-echo "$date ZFS replicate started" >> $logfile
-echo "$date ZFS replicate started" | tee -a $mylogfile
+# Setup our backup marker names
+current_backup_marker=@current-backup-${backup_pool_guid}
+previous_backup_marker=@previous-backup-${backup_pool_guid}
 
 # 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
+  if [[ $filesystem =~ ':' ]]; then
+    dst_pool=${filesystem%%:*}
+    filesystem=${filesystem#*:} # remove src_pool from string
+  else
+    dst_pool=$backup_pool
+  fi
+  # Only backup filesystems that are specified to go this backup_pool
+  if [[ $backup_pool == $dst_pool ]]; then
+    age=`snapshot_age $filesystem`
+    echo $filesystem $age >> $tmpfile
+  fi
 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
+  echo "-> Replicating $remote:$filesystem to ${backup_pool}/${filesystem}" | tee -a $mylogfile
+  replicate $remote $filesystem $backup_pool
+done
+
+# Export the local pool if told to do so
+if [[ $import_export_backup_pool == 1 ]]; then
+  # Don't export the pool if there is a currently running zfs-scrub operation
+  ps -ef | grep "zfs-scrub" | grep -q "${backup_pool}" | grep -v grep
+  if [ $? != 0 ]; then
+    zpool export $backup_pool
+    if [ $? != 0 ]; then
+      lsof /$backup_pool/*
+      fatal "-E- unable to export the local backup pool $backup_pool on $hostname" "$mailto"
+    fi
+  fi
+fi
+
 done
 
 # All done