bmaeuser/crossover
1
0
Fork 0
mirror of https://github.com/lephisto/crossover.git synced 2025-12-06 04:09:20 +01:00
Code Issues Packages Projects Releases Wiki Activity

Changed logic of locking, changed help accordingly

Browse Source
This commit is contained in:
Bastian Mäuser
2022-10-21 17:31:45 +02:00
parent 9b5506b4d1
commit d8ec4891c5
1 changed files with 43 additions and 37 deletions
Download Patch File Download Diff File Expand all files Collapse all files

80
crossover
View File

@@ -29,7 +29,8 @@ declare -i opt_debug=0
declare -i opt_dry_run=0
declare -i opt_syslog=0
declare -i opt_lock=1
declare -i opt_keeplock=0
declare -i opt_keepslock=0
declare -i opt_keepdlock=0
declare -i opt_overwrite=0
declare -i opt_online=0
declare -i opt_keep_local=0
@@ -37,8 +38,6 @@ declare -i opt_keep_remote=0
declare -r redstconf='^\/etc\/pve\/nodes\/(.*)\/qemu-server\/([0-9]+).conf$'
declare -r recephimg='([a-zA-Z0-9]+)\:(.*)'
declare -r resnapname=".*@$opt_snapshot_prefix(.*)"
declare -r resplitvmid='^([0-9]+):([0-9]+)$'
function usage(){
shift
@@ -68,17 +67,15 @@ Commands:
mirror Replicate a stopped VM to another Cluster (full clone)
Options:
--vmid The ID of the VM/CT, comma separated (es. 100,101,102),
'all-???' for all known guest systems in specific host (es. all-pve1, all-\$(hostname)),
'all' for all known guest systems in cluster,
'storage-???' storage Proxmox VE (pool Ceph)
--vmid The source+target ID of the VM/CT, comma separated (eg. --vmid=100:100,101:101),
--destination 'Target PVE Host in target pool. e.g. --destination=pve04
--pool 'Ceph pool name in target pool. e.g. --pool=data
--keeplocal 'How many additional Snapshots to keep locally. e.g. --keeplocal=2
--keepremote 'How many additional Snapshots to keep remote. e.g. --keepremote=2
--online 'Allow online Copy
--nolock 'Don't lock source VM on Transfer
--keeplock 'Keep source VM locked on Transfer
--nolock 'Don't lock source VM on Transfer (mainly for test purposes)
--keep-slock 'Keep source VM locked on Transfer
--keep-dlock 'Keep VM locked after transfer on Destination
--overwrite 'Overwrite Destination
--debug 'Show Debug Output
@@ -95,7 +92,7 @@ function parse_opts(){
local args
args=$(getopt \
--options '' \
--longoptions=vmid:,destination:,pool:,keeplocal:,keepremote:,online,nolock,keeplock,overwrite,dry-run,debug \
--longoptions=vmid:,destination:,pool:,keeplocal:,keepremote:,online,nolock,keep-slock,keep-dlock,overwrite,dry-run,debug \
--name "$PROGNAME" \
-- "$@") \
|| end_process 128
@@ -113,7 +110,8 @@ function parse_opts(){
--dry-run) opt_dry_run=1; shift;;
--debug) opt_debug=1; shift;;
--nolock) opt_lock=0; shift;;
--keeplock) opt_keeplock=1; shift;;
--keep-slock) opt_keepslock=1; shift;;
--keep-dlock) opt_keepdlock=1; shift;;
--overwrite) opt_overwrite=1; shift;;
--) shift; break;;
*) break;;
@@ -297,38 +295,45 @@ function mirror() {
local disk=''
dvmid=${dvmids[$vm_id]}
dststatus=$(ssh root@${dstpvnode[$dvmid]} qm status $dvmid|cut -d' ' -f 2)
if [ $dststatus == "running" ]; then
log error "Destination VM is running. bailing out"
end_process 255
fi
srcvmgenid=$(cat $PVE_NODES/"${pvnode[$vm_id]}"/$QEMU/"$vm_id".conf|grep vmgenid|sed -r -e 's/^vmgenid:\s(.*)/\1/')
dstvmgenid=$(ssh $opt_destination cat $PVE_NODES/"${dstpvnode[$dvmid]}"/$QEMU/"$dvmid".conf|grep vmgenid|sed -r -e 's/^vmgenid:\s(.*)/\1/')
dstvmgenid=$(ssh $opt_destination cat $PVE_NODES/"${dstpvnode[$dvmid]}"/$QEMU/"$dvmid".conf 2>/dev/null|grep vmgenid|sed -r -e 's/^vmgenid:\s(.*)/\1/')
log debug "Checking for VM $dvmid on Destination Host $opt_destination $QEMU_CONF_CLUSTER"
log debug "DVMID: $dvmid"
conf_on_destination=$(ssh $opt_destination "ls -d $QEMU_CONF_CLUSTER/$dvmid$EXT_CONF 2>/dev/null")
[[ "$conf_on_destination" =~ $redstconf ]]
host_on_destination=${BASH_REMATCH[1]}
if [ $host_on_destination ]; then
dststatus=$(ssh root@${dstpvnode[$dvmid]} qm status $dvmid|cut -d' ' -f 2)
if [ $dststatus == "running" ]; then
log error "Destination VM is running. bailing out"
end_process 255
fi
fi
#Check if source VM is running
srcstatus=$(ssh root@${pvnode[$vm_id]} qm status $vm_id|cut -d' ' -f 2)
if [ $srcstatus == "running" ] && [ $opt_online -eq 0 ]; then
log error "Source VM is running .. exiting"
end_process 1
fi
if [ -z "$host_on_destination" ] || [ $opt_overwrite -eq 1 ]; then
if [ $srcvmgenid != $dstvmgenid ]; then
log error "Source VM genid ($srcvmgenid) doesn't match destination VM genid ($dstvmgenid). This should not happen. Bailing out"
if [ ! "$host_on_destination" ] || [ $opt_overwrite -eq 1 ]; then
if [ "$host_on_destination" ] && [ $srcvmgenid != $dstvmgenid ]; then
log error "Source VM genid ($srcvmgenid) doesn't match destination VM genid ($dstvmgenid). This should not happen. Bailing out.."
end_process 255
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"
fi
exit
#Lock on source
#Lock on source + destination
if [ $opt_lock -eq 1 ]; then
ssh root@"${pvnode[$vm_id]}" qm set "$vm_id" --lock backup
ssh root@"${dstpvnode[$dvmid]}" qm set "$dvmid" --lock backup
fi
#Take Rbd Snapshot
#Freeze, take Rbd Snapshot then unfreeze
vm_freeze "$vm_id" "${pvnode[$vm_id]}"
for disk in $(get_disks_from_config "$file_config"); do
src_image_spec=$(get_image_spec "$disk")
@@ -342,13 +347,11 @@ function mirror() {
[ -z "$src_image_spec" ] && continue
dst_image_spec=$(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
echo "src_image_spec: $src_image_spec dst_image_spec: $dst_image_spec"
[[ $disk =~ $recephimg ]]
src_image_pool=${BASH_REMATCH[1]}
src_image_name=${BASH_REMATCH[2]}
[[ $dst_image_spec =~ ^[a-zA-Z0-9]+\/(.*)$ ]]
dst_image_name=${BASH_REMATCH[1]}
echo "dst:image_name: $dst_image_name"
snapshot_name="@$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 [ $localsnapcount -ge 2 ]; then
@@ -357,13 +360,15 @@ function mirror() {
localts=$(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)
[[ $latestremote =~ ^.*@$opt_snapshot_prefix([0-9]+)$ ]]
latestremotets=${BASH_REMATCH[1]}
for ts in $localts; do
if [ $ts == $latestremotets ]; then
basets=$ts
fi
done
if [ $latestremote ]; then
[[ $latestremote =~ ^.*@$opt_snapshot_prefix([0-9]+)$ ]]
latestremotets=${BASH_REMATCH[1]}
for ts in $localts; do
if [ $ts == $latestremotets ]; then
basets=$ts
fi
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"
@@ -376,7 +381,6 @@ function mirror() {
do_run $cmd
else
log debug "Basecopy + snapshot on destination - let's just transfer the diff"
# [[ $previouslocal =~ $resnapname ]]
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"
if ! do_run $xmitjob; then
log error "Transmitting Image failed"
@@ -386,9 +390,13 @@ function mirror() {
do_housekeeping "$opt_destination" "$opt_pool" "$dst_image_name" $opt_keep_remote
fi
done
if [ ! $opt_keeplock -eq 1 ] && [ ! $opt_lock -eq 1 ]; then
if [ ! $opt_keepslock -eq 1 ]; then
ssh root@${pvnode[$vm_id]} qm unlock $vm_id
log info "Unlocking VM $vm_id"
log info "Unlocking source VM $vm_id"
fi
if [ $opt_keepdlock -eq 0 ]; then
ssh root@${dstpvnode[$dvmid]} qm unlock $dvmid
log info "Unlocking destination VM $dvmid"
fi
done
}
@@ -427,7 +435,6 @@ function vm_freeze() {
fi
local cmd="ssh root@$fhost /usr/sbin/qm guest cmd $fvm fsfreeze-freeze"
log info "VM $fvm - Issuing fsfreeze-freeze to $fvm on $fhost"
log debug "$cmd"
do_run "$cmd"
rc=$?
log debug "vm_freeze() return $rc"
@@ -443,7 +450,6 @@ function vm_unfreeze() {
fi
local cmd="ssh root@$fhost /usr/sbin/qm guest cmd $fvm fsfreeze-thaw"
log info "VM $fvm - Issuing fsfreeze-thaw to $fvm on $fhost"
log debug "$cmd"
do_run "$cmd"
rc=$?
log debug "vm_unfreeze() return $rc"