files/scripts/backup_system.sh

@@ -1,43 +1,55 @@
-#/usr/bin/env bash
+#!/usr/bin/env bash
 
 ## Variables ##
 
+if [[ -z "$HOSTNAME" ]]; then
+	echo "*** Pulling Hostname From Command ***"
+	export HOSTNAME="`hostname`"
+fi
+if [[ -z "$HOSTNAME" ]]; then
+	echo "*** Pulling Hostname From /etc/ File ***"
+	export HOSTNAME="`cat /etc/hostname`"
+fi
+
 EXTRA="$1"
 TAG="System"
+DATE="`date "+%Y%m%d-%H%M%S"`"
 BACKUP_DIR="/srv/backup"
 BASENAME="$BACKUP_DIR/Backup"
-BACKUP="$BASENAME.`now`.$HOSTNAME.$TAG.zip"
+BACKUP="$BASENAME.$DATE.$HOSTNAME.$TAG.zip"
 
 ## Initialization ##
 
 echo "*** Creating Backup Directory ***"
-mkdir -pv $BACKUP_DIR
+sudo mkdir -pv "$BACKUP_DIR"
-chmod -Rv 755 $BACKUP_DIR
+sudo chmod -Rv 755 "$BACKUP_DIR"
-chown -Rv root:root $BACKUP_DIR
+sudo chown -Rv root:root "$BACKUP_DIR"
+cd "$BACKUP_DIR"
 
 ## Cleanup ##
 
 echo "*** Removing Old Backups ***"
-sh -c 'rm -fv "$BASENAME"*"$TAG"*'
+mv -v "$BASENAME"*"$TAG"* ~/TRASH/
+rm -v ~/TRASH/"${BASENAME}*${TAG}*.zip"
 
 ## Main
 
 echo "*** Creating backup at '$BACKUP' ***"
 sudo zip -rv "$BACKUP" \
-   /etc /var/{log,mail,spool} /srv /boot \
+	/etc /var/{log,mail,spool} /srv /boot \
-   /usr/local/etc $EXTRA
+	/usr/local/etc $EXTRA
 status="$?"
 
 if [[ "$status" != 0 ]]; then
-   echo "*** ERROR: Failed to create '$BACKUP', file may be incorrect. ***"
+	echo "*** ERROR: Failed to create '$BACKUP', file may be incorrect. ***"
 fi
 
 if [[ -e "$BACKUP" ]]; then
-   ls -alh "$BACKUP"
+	ls -alh "$BACKUP"
-   echo "*** '$BACKUP' created successfully! ***"s
+	echo "*** '$BACKUP' created successfully! ***"s
 else
-   echo "*** '$BACKUP' not found! ***"
+	echo "*** '$BACKUP' not found! ***"
-   exit 1
+	exit 1
 fi
 
 exit 0