[pve-devel] [PATCH v5 qemu-server 0/3] online vm migration to external cluster

David Limbeck d.limbeck at proxmox.com
Tue Feb 5 09:51:50 CET 2019


Not yet, sorry. Will get to it as soon as possible.

On 2/5/19 6:21 AM, Alexandre DERUMIER wrote:
> Hi,
>
> any comments for the v5 ?
>
>
> ----- Mail original -----
> De: "Alexandre Derumier" <aderumier at odiso.com>
> À: "pve-devel" <pve-devel at pve.proxmox.com>
> Cc: "Alexandre Derumier" <aderumier at odiso.com>
> Envoyé: Mardi 29 Janvier 2019 02:20:37
> Objet: [PATCH v5 qemu-server 0/3] online vm migration to external cluster
>
> This add support to migrate a vm online to an different external cluster.
> (This a rework of a previous patch series sent 2years ago)
>
>
> qm migrate_external <vmid> <node> [--targetstorage otherstorage] [--targetvmid] [--targetkey]
> --net[n] [,bridge=<bridge>] [,firewall=<1|0>] [,link_down=<1|0>] [,rate=<number>] [,tag=<integer>] [,trunks=<vlanid[;vlanid...]>]
>
>
> - node is an ip or fqdn host from another cluster.
>
>
> OPTIONS:
> - targetstorage : allow to choose a different storage name than source.e
>
> - targetvmid : allow to choose a specific vmid. (default is auto/first available)
>
> - targetkey : allow to choose a specific ssh key located in /etc/pve/priv/migrate_external/
>
> - net[n] : allow to override net config
>
>
>
>
> Migration is done through an ssh tunnel, and 1 private ssh key need to be created for each targetremotenode in:
> /etc/pve/priv/migrate_external/id_rsa_mytargetnode
>
> source vm is not deleted currently for safety, just stopped and the migrate lock keeped to avoid
> to restart it.
>
>
> Changelog v5:
> - api : add experimental in desc
> - api : add -net[n] instead --targetbridge. (Cleanme: I'm allowing all options from $netdesc, but filtering them later, to avoid model/mac change)
> - api : don't use noerr for ip/fqdn check.
> - QemuMigrateExternal.pm : bugfix : dclone $conf, to avoid write source vm conf if we change net config
> - QemuMigrateExternal.pm : use net[n] instead targetbridge, skip model/mac/queues.
>
>
> Changelog v4:
> - fix targetremovenode : can be fqdn or ip address
> - add optionnal targetkey && targetvmid
> - migrate : add a new QemuMigrationExternal.pm with all migration code + remove some part not used, like sync_disk and zfs replication.
> - migrate : force ssh tunnel for migration
> - vm_start : put code in patch3 + remove old no more used migration_type=external option
>
>
> Alexandre Derumier (3):
> api2 : add migrate_vm_external
> add QemuMigrateExternal.pm
> qemu : vm_start : add external_migration
>
> PVE/API2/Qemu.pm | 106 +++++-
> PVE/CLI/qm.pm | 2 +
> PVE/Makefile | 1 +
> PVE/QemuMigrateExternal.pm | 872 +++++++++++++++++++++++++++++++++++++++++++++
> PVE/QemuServer.pm | 32 +-
> 5 files changed, 1007 insertions(+), 6 deletions(-)
> create mode 100644 PVE/QemuMigrateExternal.pm
>



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