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July 24, 2019 12:27
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,55 @@ #!/usr/bin/env bash # # Live migration-over-SSH script for use with OpenNebula. # Set the 'migrate' action to run this script in /etc/one/oned.conf # for your respective virtualization type. Only KVM is supported right now. # # Author: Leroy Förster <leroy.foerster@immonet.de> # Contributor: Paul Jost <paul.jost.immonet.de> # # (c) 2019 Immowelt Hamburg GmbH # Released under the MIT License. # set -xeuo pipefail source "$(dirname "$0")/kvmrc" source "$(dirname "$0")/../../scripts_common.sh" VIRSH_COMMAND="virsh --connect $LIBVIRT_URI" get_disks(){ ssh -n "$src_host" -- "$VIRSH_COMMAND" domblklist "$deploy_id" | strings | tail -n+3 | awk '{print $2}' } get_size_of_disk_img(){ qemu_img_path="$1" ssh -n "$src_host" -- qemu-img info -U "$qemu_img_path" --output json | sed -nE 's/^.*"virtual-size": ([0-9]+).*/\1/p' } create_target_disk_img(){ qemu_img_path="$1" size="$2" ssh -n "$dest_host" -- mkdir -v -p "$(dirname "$qemu_img_path")" ssh -n "$dest_host" -- qemu-img create -f qcow2 "$qemu_img_path" "$size" } deploy_id="$1" dest_host="$2" src_host="$3" get_disks | while read -r disk do create_target_disk_img "$disk" "$(get_size_of_disk_img "$disk")" done # Snapshots must be removed before migration snapshots="$(ssh -n "$src_host" -- "$VIRSH_COMMAND" snapshot-list "$deploy_id" --name)" for snapshot in $snapshots do ssh -n "$src_host" -- "$VIRSH_COMMAND" snapshot-delete "$deploy_id" --snapshotname "$snapshot" --metadata done ssh -n "$src_host" -- "$VIRSH_COMMAND" migrate "$deploy_id" "$QEMU_PROTOCOL://$dest_host/system" --live --copy-storage-all