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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.Plugins.Commands.SetCommand do
alias RabbitMQ.CLI.Plugins.Helpers, as: PluginHelpers
alias RabbitMQ.CLI.Core.{DocGuide, ExitCodes, Validators}
import RabbitMQ.CLI.Core.{CodePath, Paths}
@behaviour RabbitMQ.CLI.CommandBehaviour
def formatter(), do: RabbitMQ.CLI.Formatters.Plugins
def merge_defaults(args, opts) do
{args, Map.merge(%{online: false, offline: false}, opts)}
end
def distribution(%{offline: true}), do: :none
def distribution(%{offline: false}), do: :cli
def switches(), do: [online: :boolean, offline: :boolean]
def validate(_, %{online: true, offline: true}) do
{:validation_failure, {:bad_argument, "Cannot set both online and offline"}}
end
def validate(_, _) do
:ok
end
def validate_execution_environment(args, opts) do
Validators.chain(
[
&PluginHelpers.can_set_plugins_with_mode/2,
&require_rabbit_and_plugins/2,
&PluginHelpers.enabled_plugins_file/2,
&plugins_dir/2
],
[args, opts]
)
end
def run(plugin_names, opts) do
plugins = for s <- plugin_names, do: String.to_atom(s)
case PluginHelpers.validate_plugins(plugins, opts) do
:ok -> do_run(plugins, opts)
other -> other
end
end
def output({:error, {:plugins_not_found, missing}}, _opts) do
{:error, ExitCodes.exit_dataerr(),
"The following plugins were not found: #{Enum.join(Enum.to_list(missing), ", ")}"}
end
use RabbitMQ.CLI.Plugins.ErrorOutput
def banner(plugins, %{node: node_name}) do
["Enabling plugins on node #{node_name}:" | plugins]
end
def usage, do: "set <plugin1> [ <plugin2>] [--offline] [--online]"
def usage_additional() do
[
[
"<plugin1> [ <plugin2>]",
"names of plugins to enable separated by a space. All other plugins will be disabled."
],
["--online", "contact target node to enable the plugins. Changes are applied immediately."],
[
"--offline",
"update enabled plugins file directly without contacting target node. Changes will be delayed until the node is restarted."
]
]
end
def usage_doc_guides() do
[
DocGuide.plugins()
]
end
def help_section(), do: :plugin_management
def description(), do: "Enables one or more plugins, disables the rest"
#
# Implementation
#
def do_run(plugins, %{node: node_name} = opts) do
all = PluginHelpers.list(opts)
mode = PluginHelpers.mode(opts)
case PluginHelpers.set_enabled_plugins(plugins, opts) do
{:ok, enabled_plugins} ->
{:stream,
Stream.concat([
[:rabbit_plugins.strictly_plugins(enabled_plugins, all)],
RabbitMQ.CLI.Core.Helpers.defer(fn ->
case PluginHelpers.update_enabled_plugins(
enabled_plugins,
mode,
node_name,
opts
) do
%{set: _} = map ->
filter_strictly_plugins(map, all, [:set, :started, :stopped])
{:error, _} = err ->
err
end
end)
])}
{:error, _} = err ->
err
end
end
defp filter_strictly_plugins(map, _all, []) do
map
end
defp filter_strictly_plugins(map, all, [head | tail]) do
case map[head] do
nil ->
filter_strictly_plugins(map, all, tail)
other ->
value = :rabbit_plugins.strictly_plugins(other, all)
filter_strictly_plugins(Map.put(map, head, value), all, tail)
end
end
end
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