On 4/24/25 13:19, Christoph Heiss wrote:
> Adds a new checkbox to the migration dialog, if it is a
> live/online-migration and both the source and target nodes have support
> for our dbus-vmstate helper.
>
> If the checkbox is active, it passes along the `with-conntrack-state`
> parameter to the migrate API call.
>
> Signed-off-by: Christoph Heiss <c.he...@proxmox.com>
> ---
> Changes v1 -> v2:
> * rebased on latest master
>
> www/manager6/window/Migrate.js | 73 ++++++++++++++++++++++++++++++++--
> 1 file changed, 69 insertions(+), 4 deletions(-)
>
> diff --git a/www/manager6/window/Migrate.js b/www/manager6/window/Migrate.js
> index 87b50bbd5..dea406515 100644
> --- a/www/manager6/window/Migrate.js
> +++ b/www/manager6/window/Migrate.js
> @@ -29,8 +29,9 @@ Ext.define('PVE.window.Migrate', {
> allowedNodes: undefined,
> overwriteLocalResourceCheck: false,
> hasLocalResources: false,
> + withConntrackState: true,
> + bothHaveDbusVmstate: false,
> },
> -
> },
>
> formulas: {
> @@ -60,6 +61,9 @@ Ext.define('PVE.window.Migrate', {
> return false;
> }
> },
> + conntrackStateCheckboxHidden: get =>
> + !get('running') || get('vmtype') !== 'qemu' ||
> + !get('migration.bothHaveDbusVmstate'),
> },
> },
>
> @@ -139,6 +143,10 @@ Ext.define('PVE.window.Migrate', {
> params.force = 1;
> }
>
> + if (vm.get('migration.bothHaveDbusVmstate') &&
> vm.get('migration.withConntrackState')) {
> + params['with-conntrack-state'] = 1;
> + }
> +
> Proxmox.Utils.API2Request({
> params: params,
> url: '/nodes/' + vm.get('nodename') + '/' + vm.get('vmtype') +
> '/' + vm.get('vmid') + '/migrate',
> @@ -205,12 +213,28 @@ Ext.define('PVE.window.Migrate', {
> method: 'GET',
> });
> migrateStats = result.data;
> - me.fetchingNodeMigrateInfo = false;
> } catch (error) {
> Ext.Msg.alert(Proxmox.Utils.errorText, error.htmlStatus);
> + me.fetchingNodeMigrateInfo = false;
> return;
> }
>
> + const target = me.lookup('pveNodeSelector').value;
> + let targetCapabilities = {};
> +
> + try {
> + const { result } = await Proxmox.Async.api2({
> + url: `/nodes/${target}/capabilities/qemu/migration`,
> + method: 'GET',
> + });
> + targetCapabilities = result.data;
> + } catch (err) {
> + // In the case the target node does not (yet) support the
> + // `capabilites/qemu/migration` endpoint, just ignore it.
Maybe we could check for the respective HTTP status code here explicitly
and at least show/log the error in either case? Maybe not so uncommon
during the upgrade procedures (from 8 -> 9 at least).
> + }
> +
> + me.fetchingNodeMigrateInfo = false;
> +
> if (migrateStats.running) {
> vm.set('running', true);
> }
> @@ -220,7 +244,6 @@ Ext.define('PVE.window.Migrate', {
> migration.possible = true;
> }
> migration.preconditions = [];
> - let target = me.lookup('pveNodeSelector').value;
> let disallowed = migrateStats.not_allowed_nodes?.[target] ?? {};
>
> if (migrateStats.allowed_nodes && !vm.get('running')) {
> @@ -330,6 +353,29 @@ Ext.define('PVE.window.Migrate', {
> });
> }
>
> + migration.bothHaveDbusVmstate = migrateStats['has-dbus-vmstate'] &&
> targetCapabilities['has-dbus-vmstate'];
> + if (vm.get('running')) {
> + if (migration.withConntrackState &&
> !migrateStats['has-dbus-vmstate']) {
> + migration.preconditions.push({
> + text: gettext('Cannot migrate conntrack state, source
> node is lacking support. Active network connections might get dropped.'),
> + severity: 'warning',
> + });
> + }
> + if (migration.withConntrackState &&
> !targetCapabilities['has-dbus-vmstate']) {
> + migration.preconditions.push({
> + text: gettext('Cannot migrate conntrack state, target
> node is lacking support. Active network connections might get dropped.'),
> + severity: 'warning',
> + });
> + }
> +
> + if (migration.bothHaveDbusVmstate &&
> !migration.withConntrackState) {
> + migration.preconditions.push({
> + text: gettext('Conntrack state migration disabled.
> Active network connections might get dropped.'),
> + severity: 'warning',
> + });
> + }
> + }
> +
> vm.set('migration', migration);
> },
> checkLxcPreconditions: function(resetMigrationPossible) {
> @@ -421,7 +467,26 @@ Ext.define('PVE.window.Migrate', {
> extraArg: true,
> },
> },
> - }],
> + },
> + {
> + xtype: 'proxmoxcheckbox',
> + name: 'withConntrackState',
> + fieldLabel: gettext('Conntrack state'),
> + autoEl: {
> + tag: 'div',
> + 'data-qtip': gettext('Enables live migration of
> conntrack entries for this VM.'),
> + },
> + bind: {
> + hidden: '{conntrackStateCheckboxHidden}',
> + value: '{migration.withConntrackState}',
> + },
> + listeners: {
> + change: {
> + fn: 'checkMigratePreconditions',
> + extraArg: true,
> + },
> + },
> + }],
> },
> ],
> },
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