From 0ae4ea17ec2e2f21aaa720fa71dd64cd1ca156cf Mon Sep 17 00:00:00 2001
From: max/sooulix <maxime@freepoteries.fr>
Date: Mon, 3 Feb 2025 02:51:33 +0100
Subject: [PATCH] initial commit

---
 backup_lvm.sh     | 19 +++++++++++++++++++
 run_backup_lvm.sh |  5 +++++
 snapshot_lvm.sh   | 10 ++++++++++
 3 files changed, 34 insertions(+)
 create mode 100755 backup_lvm.sh
 create mode 100755 run_backup_lvm.sh
 create mode 100755 snapshot_lvm.sh

diff --git a/backup_lvm.sh b/backup_lvm.sh
new file mode 100755
index 0000000..4da08e3
--- /dev/null
+++ b/backup_lvm.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+DIR=/mnt/backups_filesystems
+
+VG=`echo $0|rev|cut -d_ -f2|rev`;
+LV=`echo $0|rev|cut -d_ -f1|rev`;
+FREE=`vgs --noheadings $VG --units b|rev|cut -d' ' -f1|rev|cut -dB -f1`;
+if  [[ "$FREE" -lt 104857600 ]];
+then
+	  echo "Not enough space to make snapshot";
+	    exit 1;
+fi;
+TIMESTAMP=`date +%Y%m%d-%H%M%S`
+lvcreate --addtag backup --snapshot --size 100M --name $LV-$TIMESTAMP $VG/$LV > /dev/null
+[[ -f "$DIR/$VG_$LV.img" ]] && rm $DIR/$VG_$LV.img
+[[ -f "$DIR/$VG_$LV.img.gz" ]] && rm $DIR/$VG_$LV.img.gz
+dd if=/dev/$VG/$LV-$TIMESTAMP bs=1024 conv=noerror,sync status=none | gzip -c -9 > $DIR/$VG_$LV.img.gz
+lvremove -y $VG/$LV-$TIMESTAMP > /dev/null
+exit 0;
+
diff --git a/run_backup_lvm.sh b/run_backup_lvm.sh
new file mode 100755
index 0000000..d1e054e
--- /dev/null
+++ b/run_backup_lvm.sh
@@ -0,0 +1,5 @@
+#!/usr/bin/bash
+find ~/backup_lvm.d/ -type l | while read file
+do
+	$file
+done
diff --git a/snapshot_lvm.sh b/snapshot_lvm.sh
new file mode 100755
index 0000000..1b1f96c
--- /dev/null
+++ b/snapshot_lvm.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+VG="vg0"
+TS=`date +%Y%m%dT%H%M%S`
+set -xe
+while read -r line;
+do
+	DISK=`echo $line|cut -d' ' -f1`
+	SIZE=`echo $line|cut -d' ' -f2`
+	lvcreate --snapshot --name "$DISK-$TS" -L $SIZE $VG/$DISK;
+done