82 lines
3.1 KiB
Elixir
82 lines
3.1 KiB
Elixir
## The contents of this file are subject to the Mozilla Public License
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## Version 1.1 (the "License"); you may not use this file except in
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## compliance with the License. You may obtain a copy of the License
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## at http://www.mozilla.org/MPL/
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##
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## Software distributed under the License is distributed on an "AS IS"
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## basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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## the License for the specific language governing rights and
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## limitations under the License.
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##
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## The Original Code is RabbitMQ.
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##
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## The Initial Developer of the Original Code is GoPivotal, Inc.
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## Copyright (c) 2007-2016 Pivotal Software, Inc. All rights reserved.
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defmodule ListQueuesCommand do
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@behaviour CommandBehaviour
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@info_keys ~w(name durable auto_delete
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arguments policy pid owner_pid exclusive exclusive_consumer_pid
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exclusive_consumer_tag messages_ready messages_unacknowledged messages
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messages_ready_ram messages_unacknowledged_ram messages_ram
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messages_persistent message_bytes message_bytes_ready
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message_bytes_unacknowledged message_bytes_ram message_bytes_persistent
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head_message_timestamp disk_reads disk_writes consumers
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consumer_utilisation memory slave_pids synchronised_slave_pids state)a
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def validate(args, _) do
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case InfoKeys.validate_info_keys(args, @info_keys) do
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{:ok, _} -> :ok
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err -> err
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end
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end
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def merge_defaults([_|_] = args, opts) do
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{args, Map.merge(default_opts, opts)}
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end
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def merge_defaults([], opts) do
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merge_defaults(~w(name messages), opts)
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end
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def switches(), do: [offline: :boolean, online: :boolean]
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def flags() do
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[:vhost, :offline, :online]
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end
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def usage() do
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"list_queues [-p <vhost>] [--online] [--offline] [<queueinfoitem> ...]"
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end
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def usage_additional() do
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"<queueinfoitem> must be a member of the list [" <>
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Enum.join(@info_keys, ", ") <> "]."
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end
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def run([_|_] = args, %{node: node_name, timeout: timeout, vhost: vhost,
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online: online_opt, offline: offline_opt}) do
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{online, offline} = case {online_opt, offline_opt} do
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{false, false} -> {true, true};
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other -> other
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end
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info_keys = Enum.map(args, &String.to_atom/1)
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node = Helpers.parse_node(node_name)
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nodes = Helpers.nodes_in_cluster(node)
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offline_mfa = {:rabbit_amqqueue, :emit_info_down, [vhost, info_keys]}
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online_mfa = {:rabbit_amqqueue, :emit_info_all, [nodes, vhost, info_keys]}
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{chunks, mfas} = case {offline, online} do
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{true, true} -> {Kernel.length(nodes) + 1, [offline_mfa, online_mfa]};
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{false, true} -> {Kernel.length(nodes), [online_mfa]};
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{true, false} -> {1, [offline_mfa]}
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end
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RpcStream.receive_list_items(node, mfas, timeout, info_keys, chunks)
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end
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defp default_opts() do
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%{vhost: "/", offline: false, online: false}
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end
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def banner(_,_), do: "Listing queues ..."
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end
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