disable talos kubernetes discovery as its no longer compatible with k8s 1.32+

Author: rgl

README.md

@@ -519,6 +519,9 @@ talosctl -n $c0 service etcd status
 talosctl -n $c0 etcd status
 talosctl -n $c0 etcd alarm list
 talosctl -n $c0 etcd members
+# NB talosctl get members requires the talos discovery service, which we disable
+#    by default, so this will not return anything.
+#    see talos.tf.
 talosctl -n $c0 get members
 talosctl -n $c0 health --control-plane-nodes $controllers --worker-nodes $workers
 talosctl -n $c0 inspect dependencies | dot -Tsvg >c0.svg && xdg-open c0.svg

talos.tf

@@ -76,13 +76,21 @@ locals {
       }
     }
     cluster = {
+      # disable kubernetes discovery as its no longer compatible with k8s 1.32+.
+      # NB we actually disable the discovery altogether, at the other discovery
+      #    mechanism, service discovery, requires the public discovery service
+      #    from https://discovery.talos.dev/ (or a custom and paid one running
+      #    locally in your network).
+      # NB without this, talosctl get members, always returns an empty set.
       # see https://www.talos.dev/v1.9/talos-guides/discovery/
-      # see https://www.talos.dev/v1.9/reference/configuration/#clusterdiscoveryconfig
+      # see https://www.talos.dev/v1.9/reference/configuration/v1alpha1/config/#Config.cluster.discovery
+      # see https://github.com/siderolabs/talos/issues/9980
+      # see https://github.com/siderolabs/talos/commit/c12b52491456d1e52204eb290d0686a317358c7c
       discovery = {
-        enabled = true
+        enabled = false
         registries = {
           kubernetes = {
-            disabled = false
+            disabled = true
           }
           service = {
             disabled = true