this checks for the 'restart' parameter and if given, shuts down the container with a optionally defined timeout (default 180s), and continues the migration like an offline one.
after finishing, we start the container on the target node Signed-off-by: Dominik Csapak <d.csa...@proxmox.com> --- src/PVE/LXC/Migrate.pm | 38 +++++++++++++++++++++++++++++++------- 1 file changed, 31 insertions(+), 7 deletions(-) diff --git a/src/PVE/LXC/Migrate.pm b/src/PVE/LXC/Migrate.pm index 73af6d4..137a3ee 100644 --- a/src/PVE/LXC/Migrate.pm +++ b/src/PVE/LXC/Migrate.pm @@ -23,6 +23,7 @@ sub prepare { my ($self, $vmid) = @_; my $online = $self->{opts}->{online}; + my $restart= $self->{opts}->{restart}; $self->{storecfg} = PVE::Storage::config(); @@ -31,12 +32,10 @@ sub prepare { PVE::LXC::Config->check_lock($conf); - my $running = 0; - if (PVE::LXC::check_running($vmid)) { - die "lxc live migration is currently not implemented\n"; - - die "can't migrate running container without --online\n" if !$online; - $running = 1; + my $running = PVE::LXC::check_running($vmid); + if ($running) { + die "lxc live migration is currently not implemented\n" if $online; + die "can't migrate running container without --restart\n" if !$restart; } my $force = $self->{opts}->{force} // 0; @@ -78,8 +77,9 @@ sub prepare { # only activate if not shared push @$need_activate, $volid; + # unless in restart mode because we shut the container down die "unable to migrate local mount point '$volid' while CT is running" - if $running; + if $running && !$restart; } }); @@ -93,6 +93,22 @@ sub prepare { eval { $self->cmd_quiet($cmd); }; die "Can't connect to destination address using public key\n" if $@; + # in restart mode, we shutdown the container before migrating + if ($restart && $running) { + my $timeout = $self->{opts}->{timeout} // 180; + + $self->log('info', "shutdown CT $vmid\n"); + + my $cmd = ['lxc-stop', '-n', $vmid, '--timeout', $timeout]; + $self->cmd($cmd, timeout => $timeout + 5); + + # make sure container is stopped + $cmd = ['lxc-wait', '-n', $vmid, '-t', 5, '-s', 'STOPPED']; + $self->cmd($cmd); + + $running = 0; + } + return $running; } @@ -322,6 +338,14 @@ sub final_cleanup { my $cmd = [ @{$self->{rem_ssh}}, 'pct', 'unlock', $vmid ]; $self->cmd_logerr($cmd, errmsg => "failed to clear migrate lock"); } + + # in restart mode, we start the container on the target node + # after migration + if ($self->{opts}->{restart}) { + $self->log('info', "start container on target node"); + my $cmd = [ @{$self->{rem_ssh}}, 'pct', 'start', $vmid]; + $self->cmd($cmd); + } } 1; -- 2.1.4 _______________________________________________ pve-devel mailing list pve-devel@pve.proxmox.com http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-devel