Merge pull request #2494 from rabbitmq/rabbitmq-server-2493

Allow 0 value in cuttlefish schema via "byte" validator

(cherry picked from commit e22fb10)

Author: michaelklishin

priv/schema/rabbit.schema

@@ -1754,9 +1754,9 @@ fun(Port) when is_integer(Port) ->
     Port > 0 andalso Port < 65535
 end}.
 
-{validator, "byte", "Integer is not 0<i<255",
+{validator, "byte", "Integer must be in the range [0, 255]",
 fun(Int) when is_integer(Int) ->
-    Int > 0 andalso Int < 255
+    Int >= 0 andalso Int =< 255
 end}.
 
 {validator, "dir_writable", "Cannot create file in dir",

test/config_schema_SUITE_data/rabbit.snippets

@@ -412,6 +412,42 @@ tcp_listen_options.exit_on_close = false",
              {verify,verify_peer},
              {fail_if_no_peer_cert,false}]}]}],
   []},
+ {ssl_options_depth_0,
+  "listeners.ssl.1 = 5671
+   ssl_options.cacertfile = test/config_schema_SUITE_data/certs/cacert.pem
+   ssl_options.certfile   = test/config_schema_SUITE_data/certs/cert.pem
+   ssl_options.keyfile    = test/config_schema_SUITE_data/certs/key.pem
+   ssl_options.depth      = 0
+   ssl_options.verify     = verify_peer
+   ssl_options.fail_if_no_peer_cert = false",
+  [{rabbit,
+       [{ssl_listeners,[5671]},
+        {ssl_options,
+            [{cacertfile,"test/config_schema_SUITE_data/certs/cacert.pem"},
+             {certfile,"test/config_schema_SUITE_data/certs/cert.pem"},
+             {keyfile,"test/config_schema_SUITE_data/certs/key.pem"},
+             {depth,0},
+             {verify,verify_peer},
+             {fail_if_no_peer_cert,false}]}]}],
+  []},
+ {ssl_options_depth_255,
+  "listeners.ssl.1 = 5671
+   ssl_options.cacertfile = test/config_schema_SUITE_data/certs/cacert.pem
+   ssl_options.certfile   = test/config_schema_SUITE_data/certs/cert.pem
+   ssl_options.keyfile    = test/config_schema_SUITE_data/certs/key.pem
+   ssl_options.depth      = 255
+   ssl_options.verify     = verify_peer
+   ssl_options.fail_if_no_peer_cert = false",
+  [{rabbit,
+       [{ssl_listeners,[5671]},
+        {ssl_options,
+            [{cacertfile,"test/config_schema_SUITE_data/certs/cacert.pem"},
+             {certfile,"test/config_schema_SUITE_data/certs/cert.pem"},
+             {keyfile,"test/config_schema_SUITE_data/certs/key.pem"},
+             {depth,255},
+             {verify,verify_peer},
+             {fail_if_no_peer_cert,false}]}]}],
+  []},
  {ssl_options_honor_cipher_order,
   "listeners.ssl.1 = 5671
    ssl_options.cacertfile = test/config_schema_SUITE_data/certs/cacert.pem