Almost done with serverbackup.sh (Övning 6, labb 5)

2013-12-17 20:19:38 +01:00
parent 69840a2dd0
commit f58ecf338c
162 changed files with 124 additions and 0 deletions
--- a/Labb5/serverbackup/serverbackup.sh
+++ b/Labb5/serverbackup/serverbackup.sh
@@ -0,0 +1,124 @@
+#!/bin/bash
+
+# Jack-Benny Persson
+# LX13
+# Serverbackup.sh (Övning 6, labb 5)
+
+## Variables ##
+# Define some settings for the script
+BackupDir="dummyfiles" # This is were Proxmos places it's backup files
+TapeDev="/dev/sda1" # The device for your Tape drive
+ExtHDD="/dev/sdd1" # The external harddrive
+MntPoint="/mnt" # Where to mount the external harddrive
+ExtHDDdir="Nebula_backups" # Where to put the backup files on the ext. drive
+VMs="???" # Specify which VMs to backup (??? for all VMs)
+
+# Backup to
+Where="Tape&HDD" # Tape / HDD / Tape&HDD
+
+# Define our binaries in case we don't have a sensible environment
+Ls="/bin/ls"
+Tar="/bin/tar"
+Sort="/usr/bin/sort"
+Tail="/usr/bin/tail"
+Uniq="/usr/bin/uniq"
+Mount="/bin/mount"
+Umount="/bin/umount"
+Mt="/bin/mt"
+
+# Get current date & time for markers etc
+CurTime=`date "+%F %X ->"`
+
+## Sanity checks ##
+# We need to run as root (for mounting, write to tape etc)
+if [ $EUID -ne 0 ]; then
+	echo "$CurTime Missing root privileges, aborting" > /dev/stderr
+	exit 2
+fi
+
+# Check out binaries
+for i in $Ls $Tar $Sort $Tail $Uniq $Mount $Umount $Mt; do
+	test -x $i
+	if [ $? -ne 0 ]; then
+		echo "$CurTime Can't execute $i, aborting!" > /dev/stderr
+		exit 2
+	fi
+done
+
+# Check that our tape drive is on and connected and a tape is inserted
+if [ "$Where" = "Tape" ] || [ "$Where" = "Tape&HDD" ]; then
+	if [ ! -b $TapeDev ]; then
+		echo "$CurTime No tape device present at $TapeDev" > /dev/stderr
+		exit 2
+	fi
+	
+	${Mt} -f ${TapeDev} status | grep DR_OPEN &> /dev/null
+  	if [ $? -eq 0 ]; then
+		echo "$CurTime No tape in tape drive $TapeDev" > /dev/stderr
+		exit 2
+	fi
+fi
+
+# Check that our external harddrive is connected and mount point exist
+if [ "$Where" = "HDD" ]  || [ "$Where" = "Tape&HDD" ]; then
+	if [ ! -b $ExtHDD ]; then
+		echo "$CurTime No external harddrive connected to $ExtHDD" \
+			> /dev/stderr
+		exit 2
+	elif [ ! -d $MntPoint ]; then
+		echo "$CurTime Mount point $MntPoint doesn't exist, aborting" \
+			> /dev/stderr
+		exit 2
+	fi
+fi
+
+
+## Main ##
+cd ${BackupDir} # We do this to avoid slashes etc
+
+# Mount our external harddisk if we want to make backups to it
+if [ "$Where" = "HDD" ] || [ "$Where" = "Tape&HDD" ]; then
+	$Mount $ExtHDD $MntPoint
+	if [ $? -ne 0 ]; then
+		echo "$CurTime Couldn't mount $ExtHDD on ${MntPoint}, aborting"\
+			> /dev/stderr
+	fi
+
+	if [ ! -d "${MntPoint}/${ExtHDDdir}" ]; then
+		printf "$CurTime ${MntPoint}/${ExtHDDdir} dosen't exist" \
+			> /dev/stderr
+		printf ", aborting\n" > /dev/stderr
+	exit 2
+	fi
+fi
+
+# Get the latest Proxmox backup date
+Dates=`$Ls | awk -F - '{ print $4 }'`
+Latest=`echo "$Dates" | sort | uniq | tail -n1`
+
+# Start the actual backup/copy of files
+if [ "$Where" = "HDD" ] || [ "$Where" = "Tape&HDD" ]; then
+	echo "Backup to external harddrive $ExtHDD" # Uncomment for testing
+	$Ls vzdump-*-${VMs}-${Latest}*              # and debugging
+
+	if [ $? -ne 0 ]; then
+		echo "Something went wrong with backuping up to $ExtHDD"
+		exit 2
+	fi
+
+	# Cleanup (unmount drive)
+	$Umount $ExtHDD
+	if [ $? -ne 0 ]; then
+		echo "Couln't unmount $ExtHDD, please do it manually" \
+			> /dev/stderr
+	fi
+fi
+
+if [ "$Where" = "HDD" ] || [ "$Where" = "Tape&HDD" ]; then
+	echo "Backup to tape drive $TapeDev"      # Uncomment for testing
+	$Ls vzdump-*-${VMs}-${Latest}*            # and debugging
+	if [ $? -ne 0 ]; then
+		echo "Something went wrong when backing up to tape drive" \
+			> /dev/stderr
+	fi
+fi