76 lines
2.8 KiB
Erlang
76 lines
2.8 KiB
Erlang
%% This Source Code Form is subject to the terms of the Mozilla Public
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%% License, v. 2.0. If a copy of the MPL was not distributed with this
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%% file, You can obtain one at https://mozilla.org/MPL/2.0/.
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%%
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%% Copyright (c) 2007-2024 Broadcom. All Rights Reserved. The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. All rights reserved.
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%%
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-module(rabbit_mgmt_wm_node).
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-export([init/2, to_json/2, content_types_provided/2, is_authorized/2]).
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-export([resource_exists/2]).
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-export([variances/2]).
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-include_lib("rabbitmq_management_agent/include/rabbit_mgmt_records.hrl").
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-include_lib("rabbit_common/include/rabbit.hrl").
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%%--------------------------------------------------------------------
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init(Req, _State) ->
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{cowboy_rest, rabbit_mgmt_headers:set_common_permission_headers(Req, ?MODULE), #context{}}.
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variances(Req, Context) ->
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{[<<"accept-encoding">>, <<"origin">>], Req, Context}.
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content_types_provided(ReqData, Context) ->
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{rabbit_mgmt_util:responder_map(to_json), ReqData, Context}.
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resource_exists(ReqData, Context) ->
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{rabbit_mgmt_nodes:node_exists(ReqData), ReqData, Context}.
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to_json(ReqData, Context) ->
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rabbit_mgmt_util:reply(node0(ReqData), ReqData, Context).
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is_authorized(ReqData, Context) ->
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rabbit_mgmt_util:is_authorized_monitor(ReqData, Context).
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%%--------------------------------------------------------------------
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node0(ReqData) ->
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Node = list_to_atom(binary_to_list(rabbit_mgmt_util:id(node, ReqData))),
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[Data] = node_data(Node, ReqData),
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augment(ReqData, Node, Data).
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augment(ReqData, Node, Data) ->
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lists:foldl(fun (Key, DataN) -> augment(Key, ReqData, Node, DataN) end,
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Data, [memory, binary]).
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augment(Key, ReqData, Node, Data) ->
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case rabbit_mgmt_util:qs_val(list_to_binary(atom_to_list(Key)), ReqData) of
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<<"true">> -> Res = case rpc:call(Node, rabbit_vm, Key, [], infinity) of
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{badrpc, _} -> not_available;
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Result -> Result
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end,
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[{Key, Res} | Data];
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_ -> Data
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end.
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node_data(Node, ReqData) ->
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S = rabbit_mnesia:status(),
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Nodes = proplists:get_value(nodes, S),
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Running = proplists:get_value(running_nodes, S),
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Type = find_type(Node, Nodes),
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Basic = [[{name, Node}, {running, lists:member(Node, Running)}, {type, Type}, {being_drained, rabbit_maintenance:is_being_drained_local_read(Node)}]],
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case rabbit_mgmt_util:disable_stats(ReqData) of
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false ->
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rabbit_mgmt_db:augment_nodes(Basic, rabbit_mgmt_util:range_ceil(ReqData));
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true ->
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Basic
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end.
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find_type(Node, [{Type, Nodes} | Rest]) ->
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case lists:member(Node, Nodes) of
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true -> Type;
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false -> find_type(Node, Rest)
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end.
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