From 0ea0f3f12325cb0e645c0b22bb63cedad063f4b7 Mon Sep 17 00:00:00 2001
From: Vincent Riquer <v.riquer@b2f-concept.com>
Date: Tue, 31 Aug 2010 12:28:11 +0200
Subject: [PATCH] config structure setup script prototype

---
 debian/install                 |  3 +++
 defaults.conf                  |  8 +++++++
 remote-backup                  | 39 +++++++++++++++++++---------------
 remote-backup.conf             |  4 ----
 remote-backup.example.conf     |  8 +++++++
 remote-backup.example.excludes |  1 +
 6 files changed, 42 insertions(+), 21 deletions(-)
 create mode 100644 debian/install
 create mode 100644 defaults.conf
 delete mode 100644 remote-backup.conf
 create mode 100644 remote-backup.example.conf
 create mode 100644 remote-backup.example.excludes

diff --git a/debian/install b/debian/install
new file mode 100644
index 0000000..44ac724
--- /dev/null
+++ b/debian/install
@@ -0,0 +1,3 @@
+remote-backup /usr/bin/
+defaults /etc/remote-backup/
+remote-backup.example.* /usr/share/remote-backup
diff --git a/defaults.conf b/defaults.conf
new file mode 100644
index 0000000..41f21e3
--- /dev/null
+++ b/defaults.conf
@@ -0,0 +1,8 @@
+REMOUNT=false
+MOUNT_DEVICE=none
+SNAPSHOT_RW=/var/backups
+REMOTE_LOCATION=""
+EXCLUDES=/dev/null
+DEST=""
+MAX_ROTATE=7
+BWLIMIT=0 # kBps
diff --git a/remote-backup b/remote-backup
index 0eadba1..74a3758 100755
--- a/remote-backup
+++ b/remote-backup
@@ -62,6 +62,8 @@ fi
 
 source /etc/remote-backup.conf
 
+echo "Debut de backup de ${REMOTE_LOCATION} vers ${SNAPSHOT_RW}/${DEST}/ a $(date)"
+
 # ------------- the script itself --------------------------------------
 
 # make sure we're running as root
@@ -85,26 +87,26 @@ fi
 # rotating snapshots of /home (fixme: this should be more general)
 
 # step 1: delete the oldest snapshot, if it exists:
-if [ -d $SNAPSHOT_RW/home/hourly.3 ]
+if [ -d $SNAPSHOT_RW/$DEST/daily.${MAX_ROTATE} ]
 then
-	$RM -rf $SNAPSHOT_RW/home/hourly.3
+	$RM -rf $SNAPSHOT_RW/$DEST/daily.${MAX_ROTATE}
 fi
 
 # step 2: shift the middle snapshots(s) back by one, if they exist
-if [ -d $SNAPSHOT_RW/home/hourly.2 ]
-then
-	$MV $SNAPSHOT_RW/home/hourly.2 $SNAPSHOT_RW/home/hourly.3
-fi
-if [ -d $SNAPSHOT_RW/home/hourly.1 ]
-then
-	$MV $SNAPSHOT_RW/home/hourly.1 $SNAPSHOT_RW/home/hourly.2
-fi
+for backup_number in $(seq $((${MAX_ROTATE}-1)) -1 1)
+do
+	if [ -d $SNAPSHOT_RW/$DEST/daily.${backup_number} ]
+	then
+		$MV $SNAPSHOT_RW/$DEST/daily.${backup_number} \
+			$SNAPSHOT_RW/$DEST/daily.$((${backup_number}+1))
+	fi
+done
 
 # step 3: make a hard-link-only (except for dirs) copy of the latest snapshot,
 # if that exists
-if [ -d $SNAPSHOT_RW/home/hourly.0 ]
+if [ -d $SNAPSHOT_RW/$DEST/daily.0 ]
 then
-	$CP -al $SNAPSHOT_RW/home/hourly.0 $SNAPSHOT_RW/home/hourly.1
+	$CP -al $SNAPSHOT_RW/$DEST/daily.0 $SNAPSHOT_RW/$DEST/daily.1
 fi
 
 # step 4: rsync from the system into the latest snapshot (notice that
@@ -112,15 +114,16 @@ fi
 # is unlinked first.  If it were not so, this would copy over the other
 # snapshot(s) too!
 $RSYNC \
-	-va \
+	-a \
 	--delete \
 	--delete-excluded \
 	--exclude-from="$EXCLUDES" \
-	/home/ \
-	$SNAPSHOT_RW/home/hourly.0
+	--bwlimit=$BWLIMIT \
+	${REMOTE_LOCATION} \
+	$SNAPSHOT_RW/$DEST/daily.0
 
-# step 5: update the mtime of hourly.0 to reflect the snapshot time
-$TOUCH $SNAPSHOT_RW/home/hourly.0
+# step 5: update the mtime of daily.0 to reflect the snapshot time
+$TOUCH $SNAPSHOT_RW/$DEST/daily.0
 
 # and thats it for home.
 
@@ -134,3 +137,5 @@ then
 		exit
 	fi
 fi
+
+echo "Fin de backup de ${REMOTE_LOCATION} vers ${SNAPSHOT_RW}/${DEST}/ a $(date)"
diff --git a/remote-backup.conf b/remote-backup.conf
deleted file mode 100644
index bb6ea28..0000000
--- a/remote-backup.conf
+++ /dev/null
@@ -1,4 +0,0 @@
-REMOUNT=false
-MOUNT_DEVICE=/dev/hdb1;
-SNAPSHOT_RW=/root/snapshot;
-EXCLUDES=/usr/local/etc/backup_exclude;
diff --git a/remote-backup.example.conf b/remote-backup.example.conf
new file mode 100644
index 0000000..608eeb5
--- /dev/null
+++ b/remote-backup.example.conf
@@ -0,0 +1,8 @@
+REMOUNT=__setbackup__REMOUT__
+MOUNT_DEVICE=__setbackup__DEVICE__
+SNAPSHOT_RW=__setbackup__SNAPSHOT__
+REMOTE_LOCATION="__setbackup__REMOTE__
+EXCLUDES=__setbackup__EXCLUDES__
+DEST=__setbackup__DEST__
+MAX_ROTATE=__setbackup__ROTATE__
+BWLIMIT=__setbackup__BWLIMIT__ # kBps
diff --git a/remote-backup.example.excludes b/remote-backup.example.excludes
new file mode 100644
index 0000000..4fca784
--- /dev/null
+++ b/remote-backup.example.excludes
@@ -0,0 +1 @@
+mysql-log