Handle stream arguments in add_super_stream command

acogoluegnes · acogoluegnes · commit 6b9589bae42b · 2021-10-11T16:50:03.000+02:00
max-age, leader-locator, etc.
diff --git a/deps/rabbit_common/src/rabbit_date_time.erl b/deps/rabbit_common/src/rabbit_date_time.erl
@@ -0,0 +1,48 @@
+%% This Source Code Form is subject to the terms of the Mozilla Public
+%% License, v. 2.0. If a copy of the MPL was not distributed with this
+%% file, You can obtain one at https://mozilla.org/MPL/2.0/.
+%%
+%% Copyright (c) 2007-2021 VMware, Inc. or its affiliates.  All rights reserved.
+%%
+
+-module(rabbit_date_time).
+
+-export([parse_duration/1]).
+
+-type datetime_plist() :: list({atom(), integer()}).
+
+% from https://github.com/erlsci/iso8601/blob/main/src/iso8601.erl
+-spec gi(string()) -> integer().
+gi(DS) ->
+    {Int, _Rest} = string:to_integer(DS),
+    case Int of
+        error ->
+            0;
+        _ ->
+            Int
+    end.
+
+-spec parse_duration(string()) -> datetime_plist().
+parse_duration(Bin)
+    when is_binary(Bin) -> %TODO extended format
+    parse_duration(binary_to_list(Bin));
+parse_duration(Str) ->
+    case re:run(Str,
+                "^(?<sign>-|\\+)?P(?:(?<years>[0-9]+)Y)?(?:(?<months>[0"
+                "-9]+)M)?(?:(?<days>[0-9]+)D)?(T(?:(?<hours>[0-9]+)H)?("
+                "?:(?<minutes>[0-9]+)M)?(?:(?<seconds>[0-9]+(?:\\.[0-9]"
+                "+)?)S)?)?$",
+                [{capture, [sign, years, months, days, hours, minutes, seconds],
+                  list}])
+    of
+        {match, [Sign, Years, Months, Days, Hours, Minutes, Seconds]} ->
+            {ok, [{sign, Sign},
+                  {years, gi(Years)},
+                  {months, gi(Months)},
+                  {days, gi(Days)},
+                  {hours, gi(Hours)},
+                  {minutes, gi(Minutes)},
+                  {seconds, gi(Seconds)}]};
+        nomatch ->
+            error
+    end.
diff --git a/deps/rabbit_common/test/unit_SUITE.erl b/deps/rabbit_common/test/unit_SUITE.erl
@@ -44,7 +44,8 @@ groups() ->
             frame_encoding_does_not_fail_with_empty_binary_payload,
             amqp_table_conversion,
             name_type,
-            get_erl_path
+            get_erl_path,
+            date_time_parse_duration
         ]},
         {parse_mem_limit, [parallel], [
             parse_mem_limit_relative_exactly_max,
@@ -460,3 +461,23 @@ get_erl_path(_) ->
             ?assertNotMatch(nomatch, string:find(Exe, "erl"))
     end,
     ok.
+
+date_time_parse_duration(_) ->
+    ?assertEqual(
+        {ok, [{sign, "+"}, {years, 6}, {months, 3}, {days, 1}, {hours, 1}, {minutes, 1}, {seconds, 1}]},
+        rabbit_date_time:parse_duration("+P6Y3M1DT1H1M1.1S")
+    ),
+    ?assertEqual(
+        {ok, [{sign, []}, {years, 0}, {months, 0}, {days, 0}, {hours, 0}, {minutes, 6}, {seconds, 0}]},
+        rabbit_date_time:parse_duration("PT6M")
+    ),
+    ?assertEqual(
+        {ok, [{sign, []}, {years, 0}, {months, 0}, {days, 0}, {hours, 0}, {minutes, 10}, {seconds, 30}]},
+        rabbit_date_time:parse_duration("PT10M30S")
+    ),
+    ?assertEqual(
+        {ok, [{sign, []}, {years, 0}, {months, 0}, {days, 5}, {hours, 8}, {minutes, 0}, {seconds, 0}]},
+        rabbit_date_time:parse_duration("P5DT8H")
+    ),
+    ?assertEqual(error, rabbit_date_time:parse_duration("foo")),
+    ok.
diff --git a/deps/rabbitmq_stream/src/Elixir.RabbitMQ.CLI.Ctl.Commands.AddSuperStreamCommand.erl b/deps/rabbitmq_stream/src/Elixir.RabbitMQ.CLI.Ctl.Commands.AddSuperStreamCommand.erl
@@ -43,7 +43,13 @@ description() ->
     <<"Add a super stream (experimental feature)">>.
 
 switches() ->
-    [{partitions, integer}, {routing_keys, string}].
+    [{partitions, integer},
+     {routing_keys, string},
+     {max_length_bytes, string},
+     {max_age, string},
+     {stream_max_segment_size_bytes, string},
+     {leader_locator, string},
+     {initial_cluster_size, integer}].
 
 help_section() ->
     {plugin, stream}.
@@ -55,11 +61,73 @@ validate([_Name], #{partitions := _, routing_keys := _}) ->
      "Specify --partitions or routing-keys, not both."};
 validate([_Name], #{partitions := Partitions}) when Partitions < 1 ->
     {validation_failure, "The partition number must be greater than 0"};
-validate([_Name], _Opts) ->
-    ok;
+validate([_Name], Opts) ->
+    validate_stream_arguments(Opts);
 validate(_, _Opts) ->
     {validation_failure, too_many_args}.
 
+validate_stream_arguments(#{max_length_bytes := Value} = Opts) ->
+    case parse_information_unit(Value) of
+        error ->
+            {validation_failure,
+             "Invalid value for --max-length-bytes, valid example "
+             "values: 100gb, 50mb"};
+        _ ->
+            validate_stream_arguments(maps:remove(max_length_bytes, Opts))
+    end;
+validate_stream_arguments(#{max_age := Value} = Opts) ->
+    case rabbit_date_time:parse_duration(Value) of
+        {ok, _} ->
+            validate_stream_arguments(maps:remove(max_age, Opts));
+        error ->
+            {validation_failure,
+             "Invalid value for --max-age, the value must a "
+             "ISO 8601 duration, e.g. e.g. PT10M30S for 10 "
+             "minutes 30 seconds, P5DT8H for 5 days 8 hours."}
+    end;
+validate_stream_arguments(#{stream_max_segment_size_bytes := Value} =
+                              Opts) ->
+    case parse_information_unit(Value) of
+        error ->
+            {validation_failure,
+             "Invalid value for --stream-max-segment-size-bytes, "
+             "valid example values: 100gb, 50mb"};
+        _ ->
+            validate_stream_arguments(maps:remove(stream_max_segment_size_bytes,
+                                                  Opts))
+    end;
+validate_stream_arguments(#{leader_locator := <<"client-local">>} =
+                              Opts) ->
+    validate_stream_arguments(maps:remove(leader_locator, Opts));
+validate_stream_arguments(#{leader_locator := <<"random">>} = Opts) ->
+    validate_stream_arguments(maps:remove(leader_locator, Opts));
+validate_stream_arguments(#{leader_locator := <<"least-leaders">>} =
+                              Opts) ->
+    validate_stream_arguments(maps:remove(leader_locator, Opts));
+validate_stream_arguments(#{leader_locator := _}) ->
+    {validation_failure,
+     "Invalid value for --leader-locator, valid values "
+     "are client-local, random, least-leaders."};
+validate_stream_arguments(#{initial_cluster_size := Value} = Opts) ->
+    try
+        case rabbit_data_coercion:to_integer(Value) of
+            S when S > 0 ->
+                validate_stream_arguments(maps:remove(initial_cluster_size,
+                                                      Opts));
+            _ ->
+                {validation_failure,
+                 "Invalid value for --initial-cluster-size, the "
+                 "value must be positive."}
+        end
+    catch
+        error:_ ->
+            {validation_failure,
+             "Invalid value for --initial-cluster-size, the "
+             "value must be a positive integer."}
+    end;
+validate_stream_arguments(_) ->
+    ok.
+
 merge_defaults(_Args, #{routing_keys := _V} = Opts) ->
     {_Args, maps:merge(#{vhost => <<"/">>}, Opts)};
 merge_defaults(_Args, Opts) ->
@@ -77,7 +145,25 @@ usage_additional() ->
       "exclusive with --routing-keys."],
      ["--routing-keys <routing-keys>",
       "Comma-separated list of routing keys. Mutually "
-      "exclusive with --partitions."]].
+      "exclusive with --partitions."],
+     ["--max-length-bytes <max-length-bytes>",
+      "The maximum size of partition streams, example "
+      "values: 20gb, 500mb."],
+     ["--max-age <max-age>",
+      "The maximum age of partition stream segments, "
+      "using the ISO 8601 duration format, e.g. PT10M30S "
+      "for 10 minutes 30 seconds, P5DT8H for 5 days "
+      "8 hours."],
+     ["--stream-max-segment-size-bytes <stream-max-segment-si"
+      "ze-bytes>",
+      "The maximum size of partition stream segments, "
+      "example values: 500mb, 1gb."],
+     ["--leader-locator <leader-locator>",
+      "Leader locator strategy for partition streams, "
+      "possible values are client-local, least-leaders, "
+      "random."],
+     ["--initial-cluster-size <initial-cluster-size>",
+      "The initial cluster size of partition streams."]].
 
 usage_doc_guides() ->
     [?STREAM_GUIDE_URL].
@@ -86,7 +172,8 @@ run([SuperStream],
     #{node := NodeName,
       vhost := VHost,
       timeout := Timeout,
-      partitions := Partitions}) ->
+      partitions := Partitions} =
+        Opts) ->
     Streams =
         [list_to_binary(binary_to_list(SuperStream)
                         ++ "-"
@@ -99,12 +186,14 @@ run([SuperStream],
                         VHost,
                         SuperStream,
                         Streams,
+                        stream_arguments(Opts),
                         RoutingKeys);
 run([SuperStream],
     #{node := NodeName,
       vhost := VHost,
       timeout := Timeout,
-      routing_keys := RoutingKeysStr}) ->
+      routing_keys := RoutingKeysStr} =
+        Opts) ->
     RoutingKeys =
         [rabbit_data_coercion:to_binary(
              string:strip(K))
@@ -121,21 +210,64 @@ run([SuperStream],
                         VHost,
                         SuperStream,
                         Streams,
+                        stream_arguments(Opts),
                         RoutingKeys).
 
+stream_arguments(Opts) ->
+    stream_arguments(#{}, Opts).
+
+stream_arguments(Acc, Arguments) when map_size(Arguments) =:= 0 ->
+    Acc;
+stream_arguments(Acc, #{max_length_bytes := Value} = Arguments) ->
+    stream_arguments(maps:put(<<"max-length-bytes">>,
+                              parse_information_unit(Value), Acc),
+                     maps:remove(max_length_bytes, Arguments));
+stream_arguments(Acc, #{max_age := Value} = Arguments) ->
+    {ok, Duration} = rabbit_date_time:parse_duration(Value),
+    DurationInSeconds = duration_to_seconds(Duration),
+    stream_arguments(maps:put(<<"max-age">>,
+                              list_to_binary(integer_to_list(DurationInSeconds)
+                                             ++ "s"),
+                              Acc),
+                     maps:remove(max_age, Arguments));
+stream_arguments(Acc,
+                 #{stream_max_segment_size_bytes := Value} = Arguments) ->
+    stream_arguments(maps:put(<<"stream-max-segment-size-bytes">>,
+                              parse_information_unit(Value), Acc),
+                     maps:remove(stream_max_segment_size_bytes, Arguments));
+stream_arguments(Acc, #{initial_cluster_size := Value} = Arguments) ->
+    stream_arguments(maps:put(<<"initial-cluster-size">>,
+                              rabbit_data_coercion:to_binary(Value), Acc),
+                     maps:remove(initial_cluster_size, Arguments));
+stream_arguments(Acc, #{leader_locator := Value} = Arguments) ->
+    stream_arguments(maps:put(<<"queue-leader-locator">>, Value, Acc),
+                     maps:remove(leader_locator, Arguments));
+stream_arguments(ArgumentsAcc, _Arguments) ->
+    ArgumentsAcc.
+
+duration_to_seconds([{sign, _},
+                     {years, Y},
+                     {months, M},
+                     {days, D},
+                     {hours, H},
+                     {minutes, Mn},
+                     {seconds, S}]) ->
+    Y * 365 * 86400 + M * 30 * 86400 + D * 86400 + H * 3600 + Mn * 60 + S.
+
 create_super_stream(NodeName,
                     Timeout,
                     VHost,
                     SuperStream,
                     Streams,
+                    Arguments,
                     RoutingKeys) ->
     case rabbit_misc:rpc_call(NodeName,
                               rabbit_stream_manager,
                               create_super_stream,
                               [VHost,
                                SuperStream,
                                Streams,
-                               [],
+                               Arguments,
                                RoutingKeys,
                                cli_acting_user()],
                               Timeout)
@@ -149,7 +281,7 @@ create_super_stream(NodeName,
     end.
 
 banner(_, _) ->
-    <<"Adding a super stream ...">>.
+    <<"Adding a super stream (experimental feature)...">>.
 
 output({error, Msg}, _Opts) ->
     {error, 'Elixir.RabbitMQ.CLI.Core.ExitCodes':exit_software(), Msg};
@@ -158,3 +290,11 @@ output({ok, Msg}, _Opts) ->
 
 cli_acting_user() ->
     'Elixir.RabbitMQ.CLI.Core.Helpers':cli_acting_user().
+
+parse_information_unit(Value) ->
+    case rabbit_resource_monitor_misc:parse_information_unit(Value) of
+        {ok, R} ->
+            integer_to_binary(R);
+        {error, _} ->
+            error
+    end.
diff --git a/deps/rabbitmq_stream/src/Elixir.RabbitMQ.CLI.Ctl.Commands.DeleteSuperStreamCommand.erl b/deps/rabbitmq_stream/src/Elixir.RabbitMQ.CLI.Ctl.Commands.DeleteSuperStreamCommand.erl
@@ -86,7 +86,7 @@ delete_super_stream(NodeName, Timeout, VHost, SuperStream) ->
     end.
 
 banner(_, _) ->
-    <<"Deleting a super stream ...">>.
+    <<"Deleting a super stream (experimental feature)...">>.
 
 output({error, Msg}, _Opts) ->
     {error, 'Elixir.RabbitMQ.CLI.Core.ExitCodes':exit_software(), Msg};
diff --git a/deps/rabbitmq_stream/test/commands_SUITE.erl b/deps/rabbitmq_stream/test/commands_SUITE.erl
diff --git a/deps/rabbitmq_stream/test/rabbit_stream_manager_SUITE.erl b/deps/rabbitmq_stream/test/rabbit_stream_manager_SUITE.erl
