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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.Ctl.Commands.StopCommand do
@behaviour RabbitMQ.CLI.CommandBehaviour
alias RabbitMQ.CLI.Core.OsPid
def merge_defaults(args, opts) do
{args, Map.merge(%{idempotent: false}, opts)}
end
def switches(), do: [idempotent: :boolean]
def validate([], _), do: :ok
def validate([_pidfile_path], _), do: :ok
def validate([_ | _] = args, _) when length(args) > 1, do: {:validation_failure, :too_many_args}
def run([], %{node: node_name, idempotent: true}) do
case :rabbit_misc.rpc_call(node_name, :rabbit, :stop_and_halt, []) do
{:badrpc, :nodedown} -> {:ok, "Node #{node_name} is no longer running"}
any -> any
end
end
def run([], %{node: node_name, idempotent: false}) do
:rabbit_misc.rpc_call(node_name, :rabbit, :stop_and_halt, [])
end
def run([pidfile_path], %{node: node_name}) do
ret = OsPid.read_pid_from_file(pidfile_path, true)
:rabbit_misc.rpc_call(node_name, :rabbit, :stop_and_halt, [])
case ret do
{:error, details} ->
{:error, "could not read pid from file #{pidfile_path}. Error: #{details}"}
{:error, :could_not_read_pid_from_file, {:contents, s}} ->
{:error, "could not read pid from file #{pidfile_path}. File contents: #{s}"}
{:error, :could_not_read_pid_from_file, details} ->
{:error, "could not read pid from file #{pidfile_path}. Error: #{details}"}
pid ->
OsPid.wait_for_os_process_death(pid)
{:ok, "process #{pid} (take from pid file #{pidfile_path}) is no longer running"}
end
end
use RabbitMQ.CLI.DefaultOutput
def usage, do: "stop [--idempotent] [<pidfile>]"
def usage_additional() do
[
[
"<pidfile>",
"node PID file path to monitor. To avoid using a PID file, use 'rabbitmqctl shutdown'"
],
["--idempotent", "return success if target node is not running (cannot be contacted)"]
]
end
def description(),
do:
"Stops RabbitMQ and its runtime (Erlang VM). Requires a local node pid file path to monitor progress."
def help_section(), do: :node_management
def banner([pidfile_path], %{node: node_name}) do
"Stopping and halting node #{node_name} (will monitor pid file #{pidfile_path}) ..."
end
def banner(_, %{node: node_name}), do: "Stopping and halting node #{node_name} ..."
end
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