[pve-devel] [PATCH v3 manager 1/2] ui: qga: Add option to turn off QGA fs-freeze/-thaw on backup

[Christoph Heiss]

Ping - the API part has been merged before release 7.4 and was thus part
of it. This is just the missing puzzle piece so that users can toggle it
via the GUI :^)

On Thu, Mar 23, 2023 at 12:02:47PM +0100, Christoph Heiss wrote:
> Adds a default-on checkbox to the QEMU Guest Agent feature selector
> controlling the 'fs-freeze-on-backup' option. If unchecked, an
> additional warning is displayed that backups can potentially corrupt
> with this setting off.
>
> Signed-off-by: Christoph Heiss <c.heiss at proxmox.com>
> ---
> The qemu-server part has already been applied; commit 93e21fd.
>
> Changes v1 -> v2:
>  * Rename option from 'fsfreeze_thaw' to 'freeze-fs-on-backup'
>  * Adapt option descriptions as suggested
>
> Changes v2 -> v3:
>  * Fold gettext() onto one line, as the parser does not support multiple
>    lines (yet)
>  * Change let -> const declaration
>
>  www/manager6/Utils.js                     |  2 ++
>  www/manager6/form/AgentFeatureSelector.js | 30 ++++++++++++++++++++++-
>  2 files changed, 31 insertions(+), 1 deletion(-)
>
> diff --git a/www/manager6/Utils.js b/www/manager6/Utils.js
> index d8c0bf5a..e6c7861a 100644
> --- a/www/manager6/Utils.js
> +++ b/www/manager6/Utils.js
> @@ -475,6 +475,8 @@ Ext.define('PVE.Utils', {
>  		    virtio: "VirtIO",
>  		};
>  		displayText = map[value] || Proxmox.Utils.unknownText;
> +	    } else if (key === 'freeze-fs-on-backup' && PVE.Parser.parseBoolean(value)) {
> +		continue;
>  	    } else if (PVE.Parser.parseBoolean(value)) {
>  		displayText = Proxmox.Utils.enabledText;
>  	    }
> diff --git a/www/manager6/form/AgentFeatureSelector.js b/www/manager6/form/AgentFeatureSelector.js
> index 0dcc6ecb..81ea42ea 100644
> --- a/www/manager6/form/AgentFeatureSelector.js
> +++ b/www/manager6/form/AgentFeatureSelector.js
> @@ -21,6 +21,26 @@ Ext.define('PVE.form.AgentFeatureSelector', {
>  	    },
>  	    disabled: true,
>  	},
> +	{
> +	    xtype: 'proxmoxcheckbox',
> +	    boxLabel: gettext('Freeze/thaw guest filesystems on backup for consistency'),
> +	    name: 'freeze-fs-on-backup',
> +	    reference: 'freeze_fs_on_backup',
> +	    bind: {
> +		disabled: '{!enabled.checked}',
> +	    },
> +	    disabled: true,
> +	    uncheckedValue: '0',
> +	    defaultValue: '1',
> +	},
> +	{
> +	    xtype: 'displayfield',
> +	    userCls: 'pmx-hint',
> +	    value: gettext('Freeze/thaw for guest filesystems disabled. This can lead to inconsistent disk backups.'),
> +	    bind: {
> +		hidden: '{freeze_fs_on_backup.checked}',
> +	    },
> +	},
>  	{
>  	    xtype: 'displayfield',
>  	    userCls: 'pmx-hint',
> @@ -47,12 +67,20 @@ Ext.define('PVE.form.AgentFeatureSelector', {
>      ],
>
>      onGetValues: function(values) {
> -	var agentstr = PVE.Parser.printPropertyString(values, 'enabled');
> +	if (PVE.Parser.parseBoolean(values['freeze-fs-on-backup'])) {
> +	    delete values['freeze-fs-on-backup'];
> +	}
> +
> +	const agentstr = PVE.Parser.printPropertyString(values, 'enabled');
>  	return { agent: agentstr };
>      },
>
>      setValues: function(values) {
>  	let res = PVE.Parser.parsePropertyString(values.agent, 'enabled');
> +	if (!Ext.isDefined(res['freeze-fs-on-backup'])) {
> +	    res['freeze-fs-on-backup'] = 1;
> +	}
> +
>  	this.callParent([res]);
>      },
>  });
> --
> 2.39.2
>
>
>
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