Added backup scripts from Eugenio Diaz.

[dump.git] / examples / cron_dump_to_disk / backup_rotate

diff --git a/examples/cron_dump_to_disk/backup_rotate b/examples/cron_dump_to_disk/backup_rotate
new file mode 100755 (executable)
index 0000000..2e8eeb9
--- /dev/null
+++ b/examples/cron_dump_to_disk/backup_rotate
@@ -0,0 +1,90 @@
+#!/bin/bash
+#
+# This script will redirect the backup directory to implement desired backup
+# schedules.
+#
+# Currently we will use just a seven day format were we just move a link
+# that represents the backup directory, to point to the day of the week.
+#
+
+#
+# Configuration Parameters
+#
+
+if [ "$1" = "monthly" ]; then
+   REALDIR="monthly"
+else
+   REALDIR=`date +%A`
+fi
+
+BACKUPPART="/backup"
+BACKUPDIR="current"
+
+echo "### Start of Backup Rotation ###"
+echo "Using backup partition: $BACKUPPART"
+
+echo -n "Remounting backup partition read-write ... "
+if ( mount $BACKUPPART -o remount,rw &> /dev/null ) then
+   echo "done."
+else
+   echo "failure!"
+   echo "   There were problems remounting $BACKUPPART in read-write mode!"
+   echo "Rotation not made!"
+   echo "### End of Backup Rotation ###"
+   exit 1
+fi
+
+echo -n "Checking that no directory named \"$BACKUPDIR\" exists ... "
+if [ -d $BACKUPPART/$BACKUPDIR -a ! -L $BACKUPPART/$BACKUPDIR ]; then
+   echo "failure!"
+   echo "   Directory \"$BACKUPDIR\" exists. Can't create link!"
+   echo "Rotation not made!"
+
+   echo -n "Remounting backup partition read-only ... "
+   if ( mount $BACKUPPART -o remount,ro &> /dev/null ) then
+      echo "done."
+   else
+      echo "failure!"
+      echo "   There were problems remounting $BACKUPPART in read-only mode!"
+      echo "### End of Backup Rotation ###"
+      exit 1
+   fi
+   echo "### End of Backup Rotation ###"
+   exit 1
+else
+   echo "done."
+fi
+
+cd $BACKUPPART
+
+echo -n "Creating link: $BACKUPDIR --> $REALDIR ... "
+if ( ln -snf $REALDIR $BACKUPDIR &> /dev/null ) then
+   echo "done."
+else
+   echo "failure!"
+   echo "   There were problems creating link!"
+   echo "Rotation not made!"
+
+   echo -n "Remounting backup partition read-only ... "
+   if ( mount $BACKUPPART -o remount,ro &> /dev/null ) then
+      echo "done."
+   else
+      echo "failure!"
+      echo "   There were problems remounting $BACKUPPART in read-only mode!"
+      echo "### End of Backup Rotation ###"
+      exit 1
+   fi 
+   echo "### End of Backup Rotation ###"
+   exit 1
+fi
+
+echo -n "Remounting backup partition read-only ... "
+if ( mount $BACKUPPART -o remount,ro &> /dev/null ) then
+   echo "done."
+else
+   echo "failure!"
+   echo "   There were problems remounting $BACKUPPART in read-only mode!"
+   echo "### End of Backup Rotation ###"
+   exit 1
+fi
+echo "### End of Backup Rotation ###"