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nouveaux outils de restauration

This commit is contained in:
admin666 2024-05-30 13:26:28 +00:00
parent 1c185e0543
commit a334bb675f
7 changed files with 154 additions and 19 deletions
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100
complete_restore.sh Executable file
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@ -0,0 +1,100 @@
#!/bin/bash
# Script to restore a virtual machine disk with Borg (plan B)
#
# Copyright (C) 2023 Adrien 'neox' Bourmault <neox@a-lec.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
# Exit on error
set -e
# Enable quitting properly
trap clean_exit INT
function clean_exit() {
echo "Exiting..."
set +e
umount -q /mnt/${vm}
umount -q /mnt/${vm}-remote
sync
if [ ! -z ${loopdisk} ]; then
losetup -d ${loopdisk}
fi
sleep 3
rmdir /mnt/${vm}*
exit 0
}
vm=$1
dest=$2
backuphost=$3
rsync_options=$4
generic_image="/srv/vmverse/installation/generic.a-lec.org.raw"
if [[ $# < 3 ]]
then
echo "ERROR: 3 parameters required : vm domain, destination path, backup host"
exit 1
fi
# Checking saves
echo -e "Checking backups...\n"
export BORG_PASSPHRASE=$(ssh root@${backuphost} cat /srv/borg/.borg-passphrase)
DATES=$(borg list --short root@${backuphost}:/var/backups/borg/${vm}.repo)
IFS=$'\n' DATES=(${DATES})
echo "* BACKUPS AVAILABLE *"
echo "---------------------"
echo " "
i=0
while [ $i -lt ${#DATES[@]} ]
do
echo -e "\t${i}) ${DATES[i]}"
i=$((i+1))
done
# Asking for save to restore
read -p "Please choose a backup to restore: " backupdate
echo -e "\nOK\n"
# Preparing path
echo "Preparing path..."
mkdir -p /mnt/${vm}
mkdir -p /mnt/${vm}-remote
mkdir -p $(dirname ${dest})
# Creating new disk if necessary
if [ ! -e ${dest} ]; then
echo "Creating new disk..."
cp --reflink ${generic_image} ${dest}
fi
# Mounting
echo "Mounting devices..."
loopdisk=$(losetup -fPL ${dest} --show)
mount ${loopdisk}p1 /mnt/${vm}
borg mount root@${backuphost}:/var/backups/borg/${vm}.repo::${DATES[backupdate]} /mnt/${vm}-remote
# Syncing
echo "Syncing now !"
sleep 1
rsync -ar --info=progress2 --progress --no-i-r --sparse ${rsync_options} /mnt/${vm}-remote/. /mnt/${vm}
# Cleaning up
echo -e "\nOK\n"
clean_exit

6
migrate_many_to_aunt.sh
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@ -28,9 +28,5 @@ do
fi
echo MIGRATING $vm ...
sudo virsh migrate --verbose --live --persistent --undefinesource --abort-on-error $vm qemu+ssh://192.169.254.3:223/system
if [ $? == 0 ]; then
sudo mv /var/backups/vm/mother/$vm /var/backups/vm/aunt
fi
sudo virsh migrate --verbose --live --persistent --undefinesource --abort-on-error $vm qemu+ssh://aunt.lan:223/system
done

5
migrate_many_to_mother.sh
View File

@ -28,8 +28,5 @@ do
fi
echo MIGRATING $vm ...
sudo virsh migrate --verbose --live --persistent --undefinesource --abort-on-error $vm qemu+ssh://192.169.254.2:222/system
if [ $? == 0 ]; then
sudo mv /var/backups/vm/aunt/$vm /var/backups/vm/mother
fi
sudo virsh migrate --verbose --live --persistent --undefinesource --abort-on-error $vm qemu+ssh://mother.lan:222/system
done

2
migrate_to_aunt.sh
View File

@ -26,7 +26,7 @@ then
fi
echo MIGRATING $vm ...
sudo virsh migrate --verbose --live --persistent --undefinesource --abort-on-error $vm qemu+ssh://192.169.254.3:223/system
sudo virsh migrate --verbose --live --persistent --undefinesource --abort-on-error $vm qemu+ssh://aunt.lan:223/system
if [ $? == 0 ]; then
sudo mv /var/backups/vm/mother/$vm /var/backups/vm/aunt
fi

25
reboot_all.sh Executable file
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@ -0,0 +1,25 @@
#!/bin/bash
# Script to start every virtual machine on a given host
#
# Copyright (C) 2023 Adrien 'neox' Bourmault <neox@a-lec.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
VMs=$(sudo virsh list --all --name)
for vm in $VMs
do
echo Starting $vm ...
sudo virsh reboot $vm
done

10
restore.sh
View File

@ -43,8 +43,6 @@ dest=$2
backuphost=$3
rsync_options=$4
generic_image="/srv/vmverse/installation/generic.a-lec.org.raw"
if [[ $# < 3 ]]
then
echo "ERROR: 3 parameters required : vm domain, destination path, backup host"
@ -78,12 +76,6 @@ mkdir -p /mnt/${vm}
mkdir -p /mnt/${vm}-remote
mkdir -p $(dirname ${dest})
# Creating new disk if necessary
if [ ! -e ${dest} ]; then
echo "Creating new disk..."
cp --reflink ${generic_image} ${dest}
fi
# Mounting
echo "Mounting devices..."
loopdisk=$(losetup -fPL ${dest} --show)
@ -93,7 +85,7 @@ borg mount root@${backuphost}:/var/backups/borg/${vm}.repo::${DATES[backupdate]}
# Syncing
echo "Syncing now !"
sleep 1
rsync -ar --info=progress2 --no-i-r --sparse ${rsync_options} /mnt/${vm}-remote/. /mnt/${vm}
rsync -ar --info=progress2 --progress --no-i-r --sparse --delete --exclude={"/bin","/sbin","/proc","/dev","/sys","/run","/tmp","/mnt","/media","/lost+found"} ${rsync_options} /mnt/${vm}-remote/. /mnt/${vm}
# Cleaning up
echo -e "\nOK\n"

25
shutdown_all.sh Executable file
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@ -0,0 +1,25 @@
#!/bin/bash
# Script to start every virtual machine on a given host
#
# Copyright (C) 2023 Adrien 'neox' Bourmault <neox@a-lec.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
VMs=$(sudo virsh list --all --name)
for vm in $VMs
do
echo Starting $vm ...
sudo virsh shutdown $vm
done