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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) 2007-2023 Broadcom. All Rights Reserved. The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. All rights reserved.
defmodule RabbitMQ.CLI.Diagnostics.Commands.ErlangVersionCommand do
@behaviour RabbitMQ.CLI.CommandBehaviour
def switches() do
[details: :boolean, offline: :boolean, timeout: :integer]
end
def aliases(), do: [t: :timeout]
def merge_defaults(args, opts) do
{args, Map.merge(%{details: false, offline: false}, opts)}
end
use RabbitMQ.CLI.Core.AcceptsNoPositionalArguments
def run([], %{details: details, offline: true}) do
case details do
true ->
:rabbit_data_coercion.to_binary(:rabbit_misc.otp_system_version())
false ->
:rabbit_data_coercion.to_binary(:rabbit_misc.platform_and_version())
end
end
def run([], %{node: node_name, timeout: timeout, details: details}) do
case details do
true ->
:rabbit_data_coercion.to_binary(
:rabbit_misc.rpc_call(node_name, :rabbit_misc, :otp_system_version, [], timeout)
)
false ->
:rabbit_data_coercion.to_binary(
:rabbit_misc.rpc_call(node_name, :rabbit_misc, :platform_and_version, [], timeout)
)
end
end
def output(result, %{formatter: "json"}) do
{:ok, %{"result" => "ok", "value" => result}}
end
def output(result, _opts) when is_bitstring(result) do
{:ok, result}
end
use RabbitMQ.CLI.DefaultOutput
def help_section(), do: :observability_and_health_checks
def description(), do: "Displays Erlang/OTP version on the target node"
def usage, do: "erlang_version"
def usage_additional() do
[
["--details", "when set, display additional Erlang/OTP system information"],
["--offline", "when set, displays local Erlang/OTP version (that used by CLI tools)"]
]
end
def banner([], %{offline: true}) do
"CLI Erlang/OTP version ..."
end
def banner([], %{node: node_name}) do
"Asking node #{node_name} for its Erlang/OTP version..."
end
end
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