CP-311860: register auth_no_certs error message

Signed-off-by: Lin Liu <lin.liu01@citrix.com>

Author: Lin Liu

ocaml/idl/datamodel_errors.ml

@@ -736,7 +736,12 @@ let _ =
   error Api_errors.auth_is_disabled []
     ~doc:"External authentication is disabled" () ;
   error Api_errors.auth_invalid_certs ["message"]
-    ~doc:"The certificates are invalid to setup TLS connection to Windows AD."
+    ~doc:
+      "The certificates are invalid to setup a TLS connection to Active \
+       Directory."
+    () ;
+  error Api_errors.auth_no_certs ["message"]
+    ~doc:"No certificates found to setup a TLS connection to Active Directory"
     () ;
   error Api_errors.auth_enable_failed ["message"]
     ~doc:"The host failed to enable external authentication." () ;

ocaml/xapi/xapi_pool.ml

@@ -1820,8 +1820,9 @@ let join_common ~__context ~master_address ~master_username ~master_password
       ignore_error ~msg:"Failed to sync ldaps status with pool coordinator"
         ~warn:
           "Error whilst syncing ldaps status with pool coordinator. The \
-           pool-join operation will continue as only pool coordinator is used \
-           for ldap query. Use pool-external-auth-set-ldaps --force to fixup"
+           pool-join operation will continue as only the pool coordinator is \
+           used for ldap query. Use pool-external-auth-set-ldaps --force to \
+           fix up"
       @@ fun () ->
       let coordinator_ldaps =
         Client.Host.get_external_auth_configuration ~rpc ~session_id