Sorry for the delay, firewall conntrack logging took longer than expected.

Still need some time to go through your patches in detail, but one thing inline:

On 11/27/18 4:38 PM, Alexandre Derumier wrote:
qm migrate_external <vmid> <targetremotenode> [--targetstorage otherstorage] 
[--targetbridge otherbridge]
---
  PVE/API2/Qemu.pm | 79 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  PVE/CLI/qm.pm    |  2 ++
  2 files changed, 81 insertions(+)

diff --git a/PVE/API2/Qemu.pm b/PVE/API2/Qemu.pm
index c82e2fa..b23db56 100644
--- a/PVE/API2/Qemu.pm
+++ b/PVE/API2/Qemu.pm
@@ -3162,6 +3162,85 @@ __PACKAGE__->register_method({
      }});
__PACKAGE__->register_method({
+    name => 'migrate_vm_external',
+    path => '{vmid}/migrate_external',
+    method => 'POST',
+    protected => 1,
+    proxyto => 'node',
+    description => "Migrate virtual machine to an external cluster. Creates a new 
migration task.",
+    permissions => {
+       check => ['perm', '/vms/{vmid}', [ 'VM.Migrate' ]],
+    },
+    parameters => {
+       additionalProperties => 0,
+       properties => {
+           node => get_standard_option('pve-node'),
+           vmid => get_standard_option('pve-vmid', { completion => 
\&PVE::QemuServer::complete_vmid }),
+           target => get_standard_option('pve-node', {
+               description => "Target node.",
+            }),
'pve-node' does not support fully qualified domain names, only [a-zA-Z0-9]([a-zA-Z0-9\-]*[a-zA-Z0-9])? (copied from pve-common/src/PVE/JSONSchema.pm).
+            targetstorage => get_standard_option('pve-storage-id', {
+               description => "Target remote storage.",
+               optional => 1,
+            }),
+           targetbridge => {
+               type => 'string',
+               description => "Target remote bridge.",
+               format_description => 'bridge',
+               optional => 1,
+           },
+       },
+    },
+    returns => {
+       type => 'string',
+       description => "the task ID.",
+    },
+    code => sub {
+       my ($param) = @_;
+
+       my $rpcenv = PVE::RPCEnvironment::get();
+
+       my $authuser = $rpcenv->get_user();
+
+       die "Only root can do external migration." if $authuser ne 'root@pam';
+
+       my $target = extract_param($param, 'target');
+
+       my $vmid = extract_param($param, 'vmid');
+
+       PVE::Cluster::check_cfs_quorum();
+
+       raise_param_exc({ target => "target is member of local cluster."}) if 
PVE::Cluster::check_node_exists($target, 1);
+
+        die "HA must be disable for external migration." if 
PVE::HA::Config::vm_is_ha_managed($vmid);
+
+       my $targetip = PVE::Network::get_ip_from_hostname($target, 1);
+
+       # test if VM exists
+       my $conf = PVE::QemuConfig->load_config($vmid);
+
+       # try to detect errors early
+
+       PVE::QemuConfig->check_lock($conf);
+
+       die "VM need to be online for external migration" if 
!PVE::QemuServer::check_running($vmid);
+
+       $param->{online} = 1;
+       $param->{migration_external} = 1;
+
+       my $realcmd = sub {
+           PVE::QemuMigrate->migrate($target, $targetip, $vmid, $param);
+       };
+
+       my $worker = sub {
+           return PVE::GuestHelpers::guest_migration_lock($vmid, 10, $realcmd);
+       };
+
+       return $rpcenv->fork_worker('qmigrate', $vmid, $authuser, $worker);
+
+    }});
+
+__PACKAGE__->register_method({
      name => 'monitor',
      path => '{vmid}/monitor',
      method => 'POST',
diff --git a/PVE/CLI/qm.pm b/PVE/CLI/qm.pm
index eceb9b3..5aa1d48 100755
--- a/PVE/CLI/qm.pm
+++ b/PVE/CLI/qm.pm
@@ -850,6 +850,8 @@ our $cmddef = {
migrate => [ "PVE::API2::Qemu", 'migrate_vm', ['vmid', 'target'], { node => $nodename }, $upid_exit ], + migrate_external => [ "PVE::API2::Qemu", 'migrate_vm_external', ['vmid', 'target'], { node => $nodename }, $upid_exit ],
+
      set => [ "PVE::API2::Qemu", 'update_vm', ['vmid'], { node => $nodename } 
],
resize => [ "PVE::API2::Qemu", 'resize_vm', ['vmid', 'disk', 'size'], { node => $nodename } ],

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