feat(xo-server/proxy-console): work around missing host (#3435)

Fixes #3432

CHANGELOG.md

@@ -20,6 +20,7 @@
 - [XOA updater] Fix issue where trial request would fail [#3407](https://github.com/vatesfr/xen-orchestra/issues/3407) (PR [#3412](https://github.com/vatesfr/xen-orchestra/pull/3412))
 - [Backup NG logs] Fix log's value not being updated in the copy and report button [#3273](https://github.com/vatesfr/xen-orchestra/issues/3273) (PR [#3360](https://github.com/vatesfr/xen-orchestra/pull/3360))
 - [Backup NG] Fix issue when *Delete first* was enabled for some of the remotes [#3424](https://github.com/vatesfr/xen-orchestra/issues/3424) (PR [#3427](https://github.com/vatesfr/xen-orchestra/pull/3427))
+- [VM/host consoles] Work around a XenServer/XCP-ng issue which lead to some consoles not working [#3432](https://github.com/vatesfr/xen-orchestra/issues/3432) (PR [#3435](https://github.com/vatesfr/xen-orchestra/pull/3435))
 
 ### Released packages
 

packages/xo-server/src/proxy-console.js

@@ -7,12 +7,23 @@ const debug = createDebug('xo:proxy-console')
 
 export default function proxyConsole (ws, vmConsole, sessionId) {
   const url = parse(vmConsole.location)
+  let { hostname } = url
+  if (hostname === null || hostname === '') {
+    console.warn(
+      'host is missing in console (%s) URI (%s)',
+      vmConsole.uuid,
+      vmConsole.location
+    )
+    const { address } = vmConsole.$VM.$resident_on
+    console.warn('  using host address (%s) as fallback', address)
+    hostname = address
+  }
 
   let closed = false
 
   const socket = connect(
     {
-      host: url.hostname,
+      host: hostname,
       port: url.port || 443,
       rejectUnauthorized: false,
     },
@@ -21,7 +32,7 @@ export default function proxyConsole (ws, vmConsole, sessionId) {
       socket.write(
         [
           `CONNECT ${url.path} HTTP/1.0`,
-          `Host: ${url.hostname}`,
+          `Host: ${hostname}`,
           `Cookie: session_id=${sessionId}`,
           '',
           '',