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Add lookup, in case pve poolname doesn't match Ceph poolname

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This commit is contained in:
Bastian Mäuser
2022-10-21 19:38:07 +02:00
parent aadf7e656c
commit 0cee976786
2 changed files with 23 additions and 11 deletions
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4
README.md
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@@ -43,9 +43,7 @@ Report bugs to the Github repo at https://github.com/lephisto/crossover/
## Introduction
When working with hyperconverges Proxmox HA Clusters you sometimes need to get VMs migrated
to another cluster, or have a cold-standby copy of a VM ready to start there. Crossover implements
functions that enable you to do the following:
When working with hyperconverged Proxmox HA Clusters you sometimes need to get VMs migrated to another cluster, or have a cold-standby copy of a VM ready to start there in case your main Datacenter goes boom. Crossover implements functionality that enables you to do the following:
- Transfer a non-running VM to another Cluster
- Transfer a running VM to another Cluster

30
crossover
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@@ -5,7 +5,7 @@
# Cross Pool Migration and incremental replication Tool for Proxmox VMs using Ceph.
# Author: Bastian Mäuser <bma@netz.org>
declare -r VERSION=0.2
declare -r VERSION=0.3
declare -r NAME=$(basename "$0")
declare -r PROGNAME=${NAME%.*}
@@ -163,6 +163,13 @@ function exist_file(){
done
}
function lookupcephpool() {
pvehost=$1
pvepoolname=$2
res=$(ssh $pvehost cat /etc/pve/storage.cfg | sed -n "/rbd: $pvepoolname/,/^$/p" | grep pool | cut -d " " -f 2)
echo $res
}
function get_vm_ids(){
local data=''
local conf=''
@@ -325,11 +332,15 @@ function mirror() {
fi
log info "Transmitting Config for VM $vm_id to desination $dvmid"
rewriteconfig $PVE_NODES/"${pvnode[$vm_id]}"/$QEMU/"$vm_id".conf $opt_destination "$opt_pool" $PVE_NODES/"$opt_destination"/$QEMU/"$dvmid".conf "$dvmid"
map_vmids_to_dsthost "$opt_destination"
fi
#Lock on source + destination
if [ $opt_lock -eq 1 ]; then
ssh root@"${pvnode[$vm_id]}" qm set "$vm_id" --lock backup
fi
if [ $opt_lock -eq 1 ]; then
ssh root@"${dstpvnode[$dvmid]}" qm set "$dvmid" --lock backup
fi
@@ -348,10 +359,13 @@ function mirror() {
dst_image_spec=$(echo $src_image_spec | sed -r -e "s/([a-zA-Z0-9]+\/[a-zA-Z0-9]+\-)([0-9]+)(\-[a-zA-Z0-9]+\-[0-9]+)/\1$dvmid\3/")
[ -z "$dst_image_spec" ] && continue
[[ $disk =~ $recephimg ]]
src_image_pool=${BASH_REMATCH[1]}
#src_image_pool=${BASH_REMATCH[1]}
src_image_pool=$(lookupcephpool "localhost" ${BASH_REMATCH[1]})
src_image_name=${BASH_REMATCH[2]}
[[ $dst_image_spec =~ ^[a-zA-Z0-9]+\/(.*)$ ]]
dst_image_name=${BASH_REMATCH[1]}
dst_image_pool=$(lookupcephpool $opt_destination $opt_pool)
echo "dst_image_pool: $dst_image_pool"
snapshot_name="@$opt_snapshot_prefix$timestamp"
localsnapcount=$(rbd ls -l $src_image_pool | grep $src_image_name@$opt_snapshot_prefix | cut -d ' ' -f 1|wc -l)
if [ $localsnapcount -ge 2 ]; then
@@ -359,7 +373,7 @@ function mirror() {
currentlocal=$(rbd ls -l $src_image_pool | grep $src_image_name@$opt_snapshot_prefix | cut -d ' ' -f 1|tail -n 1)
localts=$(rbd ls -l $src_image_pool | grep $src_image_name@$opt_snapshot_prefix | cut -d ' ' -f 1 | sed -r -e 's/.*@mirror-(.*)/\1/')
fi
latestremote=$(ssh $opt_destination rbd ls -l $opt_pool | grep $dst_image_name@$opt_snapshot_prefix | cut -d ' ' -f 1|tail -n 1)
latestremote=$(ssh $opt_destination rbd ls -l $dst_image_pool | grep $dst_image_name@$opt_snapshot_prefix | cut -d ' ' -f 1|tail -n 1)
if [ $latestremote ]; then
[[ $latestremote =~ ^.*@$opt_snapshot_prefix([0-9]+)$ ]]
latestremotets=${BASH_REMATCH[1]}
@@ -370,24 +384,24 @@ function mirror() {
done
fi
if [ -z $basets ]; then
log debug "No matching Snapshot found on destination - Full Copy $src_image_pool/$src_image_name$snapshot_name to $opt_pool/$dst_image_name"
xmitjob="rbd export --rbd-concurrent-management-ops 8 $src_image_pool/$src_image_name$snapshot_name --no-progress -|pv -r|ssh $opt_destination rbd import --image-format 2 - $opt_pool/$dst_image_name"
log debug "No matching Snapshot found on destination - Full Copy $src_image_pool/$src_image_name$snapshot_name to $dst_image_pool/$dst_image_name"
xmitjob="rbd export --rbd-concurrent-management-ops 8 $src_image_pool/$src_image_name$snapshot_name --no-progress -|pv -r|ssh $opt_destination rbd import --image-format 2 - $dst_image_pool/$dst_image_name"
# create initial snapshot on destination
if ! do_run $xmitjob; then
log error "Transmitting Image failed"
return 1
fi
cmd="ssh $opt_destination rbd snap create $opt_pool/$dst_image_name$snapshot_name"
cmd="ssh $opt_destination rbd snap create $dst_image_pool/$dst_image_name$snapshot_name"
do_run $cmd
else
log debug "Basecopy + snapshot on destination - let's just transfer the diff"
xmitjob="rbd export-diff --from-snap $opt_snapshot_prefix$basets $src_image_pool/$currentlocal - | ssh $opt_destination rbd import-diff - $opt_pool/$dst_image_name"
xmitjob="rbd export-diff --from-snap $opt_snapshot_prefix$basets $src_image_pool/$currentlocal - | ssh $opt_destination rbd import-diff - $dst_image_pool/$dst_image_name"
if ! do_run $xmitjob; then
log error "Transmitting Image failed"
return 1
fi
do_housekeeping "localhost" "$src_image_pool" "$src_image_name" $opt_keep_local
do_housekeeping "$opt_destination" "$opt_pool" "$dst_image_name" $opt_keep_remote
do_housekeeping "$opt_destination" "$dst_image_pool" "$dst_image_name" $opt_keep_remote
fi
done
if [ ! $opt_keepslock -eq 1 ]; then