chore(xo-web/xosan): prevent installing XOSAN on XCP-ng pools (#4953)

packages/xo-web/src/common/intl/messages.js

@@ -2173,6 +2173,8 @@ const messages = {
   xosanState_configuringGluster: 'Configuring gluster…',
   xosanState_creatingSr: 'Creating SR…',
   xosanState_scanningSr: 'Scanning SR…',
+  xosanXcpngWarning:
+    'XOSAN cannot be installed on XCP-ng yet. Incoming XOSANv2 will be compatible with XCP-ng: {link}.',
   // Pack download modal
   xosanInstallCloudPlugin: 'Install XOA plugin first',
   xosanLoadCloudPlugin: 'Load XOA plugin first',

packages/xo-web/src/xo-app/xosan/index.js

@@ -275,8 +275,12 @@ const XOSAN_INDIVIDUAL_ACTIONS = [
     }
   )
 
-  const getPoolPredicate = createSelector(getXosanSrs, srs => pool =>
-    every(srs, sr => sr.$pool !== pool.id)
+  const getPoolPredicate = createSelector(
+    getXosanSrs,
+    getHosts,
+    (srs, hosts) => pool =>
+      hosts[pool.master].productBrand !== 'XCP-ng' &&
+      every(srs, sr => sr.$pool !== pool.id)
   )
 
   return {

packages/xo-web/src/xo-app/xosan/new-xosan.js

@@ -111,6 +111,11 @@ export default class NewXosan extends Component {
     suggestion: 0,
   }
 
+  _hasXcpng = createSelector(
+    () => this.props.hosts,
+    hosts => Object.values(hosts).some(host => host.productBrand === 'XCP-ng')
+  )
+
   _checkPacks = pool =>
     getResourceCatalog().then(
       catalog => {
@@ -347,6 +352,24 @@ export default class NewXosan extends Component {
 
     return (
       <Container>
+        {this._hasXcpng() && (
+          <Row className='mb-1'>
+            <span className='text-muted'>
+              <Icon icon='info' />{' '}
+              {_('xosanXcpngWarning', {
+                link: (
+                  <a
+                    href='https://xcp-ng.org/docs/storage.html#xosanv2'
+                    rel='noopener noreferrer'
+                    target='_blank'
+                  >
+                    https://xcp-ng.org/docs/storage.html
+                  </a>
+                ),
+              })}
+            </span>
+          </Row>
+        )}
         <Row className='mb-1'>
           <Col size={4}>
             <SelectPool