nix/ -> cluster/nix/

These are related to cluster bootstrapping, not generic language
libraries (like go/ and bzl/).

Change-Id: I03a83c64f3e0fa6cb615d36b4e618f5e92d886ec

cluster/clustercfg/clustercfg.py

@@ -44,7 +44,7 @@ logger.addHandler(sh)
 def pki_config(key):
     raw = subprocess.check_output([
         'nix', 'eval', '--raw',
-        '( (import ' + local_root + '/nix/toplevel.nix ).pki.' + key + '.json )',
+        '( (import ' + local_root + '/cluster/nix/toplevel.nix ).pki.' + key + '.json )',
     ])
     return json.loads(raw)
 
@@ -203,7 +203,7 @@ def nodestrap(args, nocerts=False):
 
     # Upload NixOS config
     for f in ['toplevel', 'cluster-configuration']:
-        r.put(local=os.path.join(local_root, 'nix/{}.nix'.format(f)),
+        r.put(local=os.path.join(local_root, 'cluster/nix/{}.nix'.format(f)),
               remote='/etc/nixos/{}.nix'.format(f))
 
     r.run('nixos-rebuild switch')
@@ -228,8 +228,10 @@ def main():
     elif mode == "config":
         print('etcd peer:')
         print(json.dumps(pki_config('etcdPeer'), indent=2))
-        print('etcd client:')
-        print(json.dumps(pki_config('etcdClient'), indent=2))
+        print('etcd server:')
+        print(json.dumps(pki_config('etcd.server'), indent=2))
+        print('etcd client (kube):')
+        print(json.dumps(pki_config('etcd.kube'), indent=2))
     else:
         usage()
         return 1