[pve-devel] [PATCH manager] fix #3451 ui: ceph create osd: show custom device classes

[Aaron Lauterer <a.lauterer@proxmox.com>]

Showing already configured custom device classes makes it easier to
create new OSDs with custom device classes.

The Crush map contains a list of all OSDs in the cluster, including
their device class.
This means we can create a list of used device classes from it, avoiding
adding another API endpoint.

Fetching the crushmap should also be quite a bit less data that needs to
be transferred, compared to the other possible nodes/<node>/ceph/osd
endpoint, especially in larger clusters.

Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
---
 www/manager6/ceph/OSD.js | 37 ++++++++++++++++++++++++++++++++-----
 1 file changed, 32 insertions(+), 5 deletions(-)

diff --git a/www/manager6/ceph/OSD.js b/www/manager6/ceph/OSD.js
index 30671dc4..eb27d3b3 100644
--- a/www/manager6/ceph/OSD.js
+++ b/www/manager6/ceph/OSD.js
@@ -17,6 +17,38 @@ Ext.define('PVE.CephCreateOsd', {
 
 	me.isCreate = true;
 
+	let deviceClasses = [
+	    ['hdd', 'HDD'],
+	    ['ssd', 'SSD'],
+	    ['nvme', 'NVMe'],
+	];
+
+	Proxmox.Utils.API2Request({
+	    url: "/nodes/" + me.nodename + "/ceph/crush",
+	    method: 'GET',
+	    failure: function(response, opts) {
+		let msg = response.htmlStatus;
+		console.error('Failed to load crushmap', msg);
+		// We still need to show the default list of device classes
+		me.down('field[name=crush-device-class]').setComboItems(deviceClasses);
+	    },
+	    success: function(response, opts) {
+		let data = response.result.data;
+
+		let classes = new Set();
+		for (const match of data.matchAll(/^device\s[0-9]*\sosd\.[0-9]*\sclass\s(.*)$/gim)) {
+		    classes.add(match[1]);
+		}
+		for (const v of ['hdd', 'ssd', 'nvme']) {
+		    classes.delete(v);
+		}
+		for (const v of classes) {
+		    deviceClasses.push([v, v]);
+		}
+		me.down('field[name=crush-device-class]').setComboItems(deviceClasses);
+	    },
+	});
+
         Ext.applyIf(me, {
 	    url: "/nodes/" + me.nodename + "/ceph/osd",
 	    method: 'POST',
@@ -81,11 +113,6 @@ Ext.define('PVE.CephCreateOsd', {
 			},
 			{
 			    xtype: 'proxmoxKVComboBox',
-			    comboItems: [
-				['hdd', 'HDD'],
-				['ssd', 'SSD'],
-				['nvme', 'NVMe'],
-			    ],
 			    name: 'crush-device-class',
 			    nodename: me.nodename,
 			    fieldLabel: gettext('Device Class'),
-- 
2.30.2