ui: qemu wizard: use better boot order for second cd drive

in the case we add a second cd drive (for windows), we don't want the
backend logic to only include the first one, since we cannot know
which is bootable and which is (probably) the virtio iso.

so instead, emulate the backend logic for the wizard but include both cd
drives in that case, otherwise let the backend decide like before

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>

www/manager6/qemu/CreateWizard.js

@@ -26,6 +26,41 @@ Ext.define('PVE.qemu.CreateWizard', {
 
     subject: gettext('Virtual Machine'),
 
+    // fot the special case that we have 2 cdrom drives
+    //
+    // emulates part of the backend bootorder logic, but includes all
+    // cdrom drives since we don't know which one the user put in a bootable iso
+    // and hardcodes the known values (ide0/2, net0)
+    calculateBootOrder: function(values) {
+	// user selected windows + second cdrom
+	if (values.ide0 && values.ide0.match(/media=cdrom/)) {
+	    let disk;
+	    PVE.Utils.forEachBus(['ide', 'scsi', 'virtio', 'sata'], (type, id) => {
+		let confId = type + id;
+		if (!values[confId]) {
+		    return undefined;
+		}
+		if (values[confId].match(/media=cdrom/)) {
+		    return undefined;
+		}
+		disk = confId;
+		return false; // abort loop
+	    });
+
+	    let order = [];
+	    if (disk) {
+		order.push(disk);
+	    }
+	    order.push('ide0', 'ide2');
+	    if (values.net0) {
+		order.push('net0');
+	    }
+
+	    return `order=${order.join(';')}`;
+	}
+	return undefined;
+    },
+
     items: [
 	{
 	    xtype: 'inputpanel',
@@ -228,8 +263,15 @@ Ext.define('PVE.qemu.CreateWizard', {
 	    ],
 	    listeners: {
 		show: function(panel) {
-		    var kv = this.up('window').getValues();
+		    let wizard = this.up('window');
+		    var kv = wizard.getValues();
 		    var data = [];
+
+		    let boot = wizard.calculateBootOrder(kv);
+		    if (boot) {
+			kv.boot = boot;
+		    }
+
 		    Ext.Object.each(kv, function(key, value) {
 			if (key === 'delete') { // ignore
 			    return;
@@ -254,6 +296,11 @@ Ext.define('PVE.qemu.CreateWizard', {
 		var nodename = kv.nodename;
 		delete kv.nodename;
 
+		let boot = wizard.calculateBootOrder(kv);
+		if (boot) {
+		    kv.boot = boot;
+		}
+
 		Proxmox.Utils.API2Request({
 		    url: '/nodes/' + nodename + '/qemu',
 		    waitMsgTarget: wizard,