tape: add 'latest-only' property to backup job config

src/api2/config/tape_backup_job.rs

@@ -117,6 +117,8 @@ pub enum DeletableProperty {
     EjectMedia,
     /// Delete the export-media-set property
     ExportMediaSet,
+    /// Delete the 'latest-only' property
+    LatestOnly,
 }
 
 #[api(

src/config/tape_job.rs

@@ -53,6 +53,11 @@ lazy_static! {
             type: bool,
             optional: true,
         },
+        "latest-only": {
+            description: "Backup latest snapshots only.",
+            type: bool,
+            optional: true,
+        },
         comment: {
             optional: true,
             schema: SINGLE_LINE_COMMENT_SCHEMA,
@@ -77,6 +82,8 @@ pub struct TapeBackupJobConfig {
     #[serde(skip_serializing_if="Option::is_none")]
     export_media_set: Option<bool>,
     #[serde(skip_serializing_if="Option::is_none")]
+    latest_only: Option<bool>,
+    #[serde(skip_serializing_if="Option::is_none")]
     pub comment: Option<String>,
     #[serde(skip_serializing_if="Option::is_none")]
     pub schedule: Option<String>,

www/tape/BackupJobs.js

@@ -4,6 +4,7 @@ Ext.define('pbs-tape-backup-job-status', {
 	'id', 'store', 'pool', 'drive', 'store', 'schedule', 'comment',
 	{ name: 'eject-media', type: 'boolean' },
 	{ name: 'export-media-set', type: 'boolean' },
+	{ name: 'latest-only', type: 'boolean' },
 	'next-run', 'last-run-upid', 'last-run-state', 'last-run-endtime',
 	{
 	    name: 'duration',
@@ -214,6 +215,12 @@ Ext.define('PBS.config.TapeBackupJobView', {
 	    width: 60,
 	    sortable: false,
 	},
+	{
+	    header: gettext('Latest Only'),
+	    dataIndex: 'latest-only',
+	    renderer: Proxmox.Utils.format_boolean,
+	    sortable: false,
+	},
 	{
 	    header: gettext('Schedule'),
 	    dataIndex: 'schedule',

www/tape/window/TapeBackupJob.js

@@ -29,6 +29,14 @@ Ext.define('PBS.TapeManagement.BackupJobEdit', {
 
     items: {
 	xtype: 'inputpanel',
+	onGetValues: function(values) {
+	    let me = this;
+
+	    if (values['export-media-set'] && !me.up('pbsTapeBackupJobEdit').isCreate) {
+		Proxmox.Utils.assemble_field_data(values, { delete: 'eject-media' });
+	    }
+	    return values;
+	},
 	column1: [
 	    {
 		xtype: 'pmxDisplayEditField',
@@ -76,7 +84,7 @@ Ext.define('PBS.TapeManagement.BackupJobEdit', {
 		    deleteEmpty: '{!isCreate}',
 		},
 		listeners: {
-		    change1: function(cb, value) {
+		    change: function(cb, value) {
 			let me = this;
 			let eject = me.up('window').down('proxmoxcheckbox[name=eject-media]');
 			if (value) {
@@ -94,6 +102,14 @@ Ext.define('PBS.TapeManagement.BackupJobEdit', {
 		    deleteEmpty: '{!isCreate}',
 		},
 	    },
+	    {
+		fieldLabel: gettext('Latest Only'),
+		xtype: 'proxmoxcheckbox',
+		name: 'latest-only',
+		cbind: {
+		    deleteEmpty: '{!isCreate}',
+		},
+	    },
 	],
 
 	columnB: [