nouveaux outils de restauration

complete_restore.sh

@@ -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

migrate_many_to_aunt.sh

@@ -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
+    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
-
 done

migrate_many_to_mother.sh

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

migrate_to_aunt.sh

@@ -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

reboot_all.sh

@@ -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

restore.sh

@@ -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"

shutdown_all.sh

@@ -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