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|
## The contents of this file are subject to the Mozilla Public License
## Version 1.1 (the "License"); you may not use this file except in
## compliance with the License. You may obtain a copy of the License
## at http://www.mozilla.org/MPL/
##
## Software distributed under the License is distributed on an "AS IS"
## basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
## the License for the specific language governing rights and
## limitations under the License.
##
## The Original Code is RabbitMQ.
##
## The Initial Developer of the Original Code is GoPivotal, Inc.
## Copyright (c) 2007-2017 Pivotal Software, Inc. All rights reserved.
alias RabbitMQ.CLI.Formatters.FormatterHelpers
defmodule RabbitMQ.CLI.Formatters.Plugins do
@behaviour RabbitMQ.CLI.FormatterBehaviour
def format_output(%{status: status, format: format, plugins: plugins},
options) do
legend(status, format, options) ++ format_plugins(plugins, format)
end
def format_output(%{enabled: enabled, mode: _} = output, options) do
case length(enabled) do
0 -> ["Plugin configuration unchanged."];
_ -> ["The following plugins have been enabled:" |
for plugin <- enabled do " #{plugin}" end] ++ [""]++
applying(output, options) ++
log_offline(output)
end
end
def format_output(%{disabled: disabled, mode: _} = output, options) do
case length(disabled) do
0 -> ["Plugin configuration unchanged."];
_ -> ["The following plugins have been disabled:" |
for plugin <- disabled do " #{plugin}" end] ++ [""] ++
applying(output, options) ++
log_offline(output)
end
end
## Do not print enabled/disabled for set command
def format_output(%{} = output, options) do
applying(output, options)
end
def format_output([], %{node: node}) do
["All plugins have been disabled.",
"Applying plugin configuration to #{node}..."]
end
def format_output(plugins, %{node: node}) when is_list(plugins) do
["The following plugins have been configured:" |
for plugin <- plugins do " #{plugin}" end] ++
["Applying plugin configuration to #{node}..."]
end
def format_output(output, _) do
:io_lib.format("~p", [output])
|> to_string
end
def format_stream(stream, options) do
Stream.map(stream,
FormatterHelpers.without_errors_1(
fn(element) ->
format_output(element, options)
end))
end
defp format_plugins(plugins, format) do
max_name_length = Enum.reduce(plugins, 0,
fn(%{name: name}, len) ->
max(String.length(to_string(name)), len)
end)
for plugin <- plugins do
format_plugin(plugin, format, max_name_length)
end
|> List.flatten
end
defp format_plugin(%{name: name}, :minimal, _) do
to_string(name)
end
defp format_plugin(plugin, :normal, max_name_length) do
[summary(plugin) <> inline_version(plugin, max_name_length)]
end
defp format_plugin(plugin, :verbose, _) do
[summary(plugin) | verbose(plugin)]
end
defp summary(%{name: name, enabled: enabled, running: running}) do
enabled_sign = case enabled do
:implicit -> "e";
:enabled -> "E";
:not_enabled -> " "
end
running_sign = case running do
true -> "*";
false -> " "
end
"[#{enabled_sign}#{running_sign}] #{name}"
end
defp inline_version(%{name: name} = plugin, max_name_length) do
spacing = String.duplicate(" ", max_name_length -
String.length(to_string(name)))
spacing <> " " <> augment_version(plugin)
end
defp verbose(%{dependencies: dependencies,
description: description} = plugin) do
prettified = to_string(:io_lib.format("~p", [dependencies]))
[
" Version: \t#{augment_version(plugin)}",
" Dependencies:\t#{prettified}",
" Description: \t#{description}"
]
end
defp augment_version(%{version: version, running_version: nil} ) do
to_string(version)
end
defp augment_version(%{version: version, running_version: version}) do
to_string(version)
end
defp augment_version(%{version: version, running_version: running_version}) do
"#{running_version} (pending upgrade to #{version})"
end
## Do not print legend in minimal mode
defp legend(_, :minimal, _) do
[]
end
defp legend(status, _, %{node: node}) do
[" Configured: E = explicitly enabled; e = implicitly enabled",
" | Status: #{status_message(status, node)}",
" |/"]
end
defp status_message(:running, node) do
"* = running on #{node}"
end
defp status_message(:node_down, node) do
"[failed to contact #{node} - status not shown]"
end
defp applying(%{mode: :offline, set: set_plugins}, _) do
set_plugins_message = case length(set_plugins) do
0 -> "nothing to do";
len -> "set #{len} plugins"
end
[set_plugins_message <> "."]
end
defp applying(%{mode: :offline, enabled: enabled}, _) do
enabled_message = case length(enabled) do
0 -> "nothing to do";
len -> "enabled #{len} plugins"
end
[enabled_message <> "."]
end
defp applying(%{mode: :offline, disabled: disabled}, _) do
disabled_message = case length(disabled) do
0 -> "nothing to do";
len -> "disabled #{len} plugins"
end
[disabled_message <> "."]
end
defp applying(%{mode: :online, started: started, stopped: stopped}, _) do
stopped_message = case length(stopped) do
0 -> [];
len -> ["stopped #{len} plugins"]
end
started_message = case length(started) do
0 -> [];
len -> ["started #{len} plugins"]
end
change_message = case Enum.join(started_message ++ stopped_message, " and ") do
"" -> "nothing to do";
msg -> msg
end
[change_message <> "."]
end
defp log_offline(%{mode: :offline}) do
["Offline change; changes will take effect at broker restart."]
end
defp log_offline(_) do
[]
end
end
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