Merge pull request #9738 from rabbitmq/mergify/bp/v3.12.x/pr-9737

rabbitmq.conf: restrict raft.segment_max_entries to [1; (u16 max value -1)] (backport #9737)

Author: michaelklishin

deps/rabbit/priv/schema/rabbit.schema

@@ -2336,7 +2336,7 @@ end}.
 
 {mapping, "raft.segment_max_entries", "ra.segment_max_entries", [
   {datatype, integer},
-  {validators, ["non_zero_positive_integer"]}
+  {validators, ["non_zero_positive_integer", "non_zero_positive_16_bit_integer"]}
 ]}.
 
 {translation, "ra.segment_max_entries",
@@ -2576,6 +2576,11 @@ fun(Int) when is_integer(Int) ->
     Int >= 1
 end}.
 
+{validator, "non_zero_positive_16_bit_integer", "number should be between 1 and 65535",
+fun(Int) when is_integer(Int) ->
+    (Int >= 1) and (Int =< 65535)
+end}.
+
 {validator, "valid_regex", "string must be a valid regular expression",
  fun("")     -> false;
     (String) -> {Res, _ } = re:compile(String),

deps/rabbit/test/config_schema_SUITE_data/rabbit.snippets

@@ -851,9 +851,9 @@ credential_validator.regexp = ^abc\\d+",
    []},
 
   {raft_segment_max_entries,
-   "raft.segment_max_entries = 65536",
+   "raft.segment_max_entries = 32768",
    [{ra, [
-      {segment_max_entries, 65536}
+      {segment_max_entries, 32768}
      ]}],
    []},