1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
## 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.Queues.Commands.AddMemberCommand do
alias RabbitMQ.CLI.Core.{DocGuide, Validators}
import RabbitMQ.CLI.Core.DataCoercion
@behaviour RabbitMQ.CLI.CommandBehaviour
defp default_opts, do: %{vhost: "/", membership: "promotable", timeout: 5_000}
def merge_defaults(args, opts) do
default = default_opts()
opts =
Map.update(
opts,
:timeout,
:infinity,
&case &1 do
:infinity -> default.timeout
other -> other
end
)
{args, Map.merge(default, opts)}
end
def switches(),
do: [
timeout: :integer,
membership: :string
]
def aliases(), do: [t: :timeout]
def validate(args, _) when length(args) < 2 do
{:validation_failure, :not_enough_args}
end
def validate(args, _) when length(args) > 2 do
{:validation_failure, :too_many_args}
end
def validate(_, %{membership: m})
when not (m == "promotable" or
m == "non_voter" or
m == "voter") do
{:validation_failure, "voter status '#{m}' is not recognised."}
end
def validate(_, _) do
:ok
end
def validate_execution_environment(args, opts) do
Validators.chain(
[
&Validators.rabbit_is_running/2,
fn args, opts ->
extractor = fn [_, val] -> val end
Validators.existing_cluster_member(args, opts, extractor)
end
],
[args, opts]
)
end
def run(
[name, node] = _args,
%{vhost: vhost, node: node_name, timeout: timeout, membership: membership}
) do
args = [vhost, name, to_atom(node)]
args =
case to_atom(membership) do
:promotable -> args ++ [timeout]
other -> args ++ [other, timeout]
end
case :rabbit_misc.rpc_call(node_name, :rabbit_quorum_queue, :add_member, args) do
{:error, :classic_queue_not_supported} ->
{:error, "Cannot add members to a classic queue"}
{:error, :not_found} ->
{:error, {:not_found, :queue, vhost, name}}
other ->
other
end
end
use RabbitMQ.CLI.DefaultOutput
def usage, do: "add_member [--vhost <vhost>] <queue> <node> [--membership <promotable|voter>]"
def usage_additional do
[
["<queue>", "quorum queue name"],
["<node>", "node to add a new replica on"],
["--membership <promotable|voter>", "add a promotable non-voter (default) or full voter"]
]
end
def usage_doc_guides() do
[
DocGuide.quorum_queues()
]
end
def help_section, do: :replication
def description, do: "Adds a quorum queue member (replica) on the given node."
def banner([name, node], _) do
[
"Adding a replica for queue #{name} on node #{node}..."
]
end
end
|
