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From: Aaron Lauterer <a.lauterer@proxmox.com>
To: pve-devel@lists.proxmox.com
Date: Thu, 16 Mar 2023 14:48:19 +0100
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Subject: [pve-devel] [PATCH v2 manager 4/5] fix #2515: ui: ceph pool create:
 use configured defaults for size and min_size
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Instead of hard coded defaults for the size and min_size parameter,
check if we have defaults configured in the ceph.conf or config db and
use those.

There are clusters where different defaults are needed. For example if
the cluster spans two rooms and needs to survive the loss of one. A
size/min_size of 4/2 are common defaults in such a situation.

Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
---

changes since v1:
* set defaultSize and defaultMinSize to undefined in CephPoolInputPanel
* set them in cbindData in PoolEdit (needed when editing existing pool)
* waitMsgTarget when opening pool create window
* guard returned values for config keys in case they are empty

 www/manager6/ceph/Pool.js | 63 +++++++++++++++++++++++++++++++--------
 1 file changed, 51 insertions(+), 12 deletions(-)

diff --git a/www/manager6/ceph/Pool.js b/www/manager6/ceph/Pool.js
index f7a4d9ba..e155a731 100644
--- a/www/manager6/ceph/Pool.js
+++ b/www/manager6/ceph/Pool.js
@@ -7,6 +7,11 @@ Ext.define('PVE.CephPoolInputPanel', {
     onlineHelp: 'pve_ceph_pools',
 
     subject: 'Ceph Pool',
+
+    // sets default pool sizes
+    defaultSize: undefined,
+    defaultMinSize: undefined,
+
     column1: [
 	{
 	    xtype: 'pmxDisplayEditField',
@@ -27,7 +32,9 @@ Ext.define('PVE.CephPoolInputPanel', {
 	    name: 'size',
 	    editConfig: {
 		xtype: 'proxmoxintegerfield',
-		value: 3,
+		cbind: {
+		    value: (get) => get('defaultSize') ?? 3,
+		},
 		minValue: 2,
 		maxValue: 7,
 		allowBlank: false,
@@ -40,7 +47,6 @@ Ext.define('PVE.CephPoolInputPanel', {
 		    },
 		},
 	    },
-
 	},
     ],
     column2: [
@@ -78,9 +84,15 @@ Ext.define('PVE.CephPoolInputPanel', {
 	    xtype: 'proxmoxintegerfield',
 	    fieldLabel: gettext('Min. Size'),
 	    name: 'min_size',
-	    value: 2,
 	    cbind: {
-		minValue: (get) => get('isCreate') ? 2 : 1,
+		value: (get) => get('defaultMinSize') ?? 2,
+		minValue: (get) => {
+		    if (Number(get('defaultMinSize')) === 1) {
+			return 1;
+		    } else {
+			return get('isCreate') ? 2 : 1;
+		    }
+		},
 	    },
 	    maxValue: 7,
 	    allowBlank: false,
@@ -195,6 +207,8 @@ Ext.define('PVE.Ceph.PoolEdit', {
     cbindData: {
 	pool_name: '',
 	isCreate: (cfg) => !cfg.pool_name,
+	defaultSize: undefined,
+	defaultMinSize: undefined,
     },
 
     cbind: {
@@ -216,6 +230,8 @@ Ext.define('PVE.Ceph.PoolEdit', {
 	    pool_name: '{pool_name}',
 	    isErasure: '{isErasure}',
 	    isCreate: '{isCreate}',
+	    defaultSize: '{defaultSize}',
+	    defaultMinSize: '{defaultMinSize}',
 	},
     }],
 });
@@ -388,14 +404,37 @@ Ext.define('PVE.node.Ceph.PoolList', {
 		{
 		    text: gettext('Create'),
 		    handler: function() {
-			Ext.create('PVE.Ceph.PoolEdit', {
-			    title: gettext('Create') + ': Ceph Pool',
-			    isCreate: true,
-			    isErasure: false,
-			    nodename: nodename,
-			    autoShow: true,
-			    listeners: {
-				destroy: () => rstore.load(),
+			let keys = [
+			    'global:osd-pool-default-min-size',
+			    'global:osd-pool-default-size',
+			];
+			let params = {
+			    'config-keys': keys.join(';'),
+			};
+
+			Proxmox.Utils.API2Request({
+			    url: '/nodes/localhost/ceph/cfg/value',
+			    method: 'GET',
+			    params,
+			    waitMsgTarget: me.getView(),
+			    failure: response => Ext.Msg.alert(gettext('Error'), response.htmlStatus),
+			    success: function({ result: { data } }) {
+				let global = data.global;
+				let defaultSize = global?.['osd-pool-default-size'] ?? undefined;
+				let defaultMinSize = global?.['osd-pool-default-min-size'] ?? undefined;
+
+				Ext.create('PVE.Ceph.PoolEdit', {
+				    title: gettext('Create') + ': Ceph Pool',
+				    isCreate: true,
+				    isErasure: false,
+				    defaultSize,
+				    defaultMinSize,
+				    nodename: nodename,
+				    autoShow: true,
+				    listeners: {
+					destroy: () => rstore.load(),
+				    },
+				});
 			    },
 			});
 		    },
-- 
2.30.2