Merge remote-tracking branch 'origin/master' into stream-timestamp-offsetstream-timestamp-offset

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diff --git a/deps/rabbitmq_cli/lib/rabbitmq/cli/ctl/commands/set_global_parameter_command.ex b/deps/rabbitmq_cli/lib/rabbitmq/cli/ctl/commands/set_global_parameter_command.ex
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+## 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) 2007-2020 VMware, Inc. or its affiliates.  All rights reserved.
+
+defmodule RabbitMQ.CLI.Ctl.Commands.SetGlobalParameterCommand do
+  alias RabbitMQ.CLI.Core.{DocGuide, Helpers}
+
+  @behaviour RabbitMQ.CLI.CommandBehaviour
+
+  use RabbitMQ.CLI.Core.MergesNoDefaults
+
+  def validate(args, _) when length(args) < 2 do
+    {:validation_failure, :not_enough_args}
+  end
+  def validate(args, _) when length(args) > 2 do
+    {:validation_failure, :too_many_args}
+  end
+  def validate(_, _), do: :ok
+
+  use RabbitMQ.CLI.Core.RequiresRabbitAppRunning
+
+  def run([name, value], %{node: node_name}) do
+    :rabbit_misc.rpc_call(
+      node_name,
+      :rabbit_runtime_parameters,
+      :parse_set_global,
+      [name, value, Helpers.cli_acting_user()]
+    )
+  end
+
+  use RabbitMQ.CLI.DefaultOutput
+
+  def usage, do: "set_global_parameter <name> <value>"
+
+  def usage_additional() do
+    [
+      ["<name>", "global parameter name (identifier)"],
+      ["<value>", "parameter value"]
+    ]
+  end
+
+  def usage_doc_guides() do
+    [
+      DocGuide.parameters()
+    ]
+  end
+
+  def help_section(), do: :parameters
+
+  def description(), do: "Sets a runtime parameter."
+
+  def banner([name, value], _) do
+    "Setting global runtime parameter \"#{name}\" to \"#{value}\" ..."
+  end
+end