230 lines
8.2 KiB
Lua
230 lines
8.2 KiB
Lua
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-------------------------------------------------
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-- Docker Widget for Awesome Window Manager
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-- Lists containers and allows to manage them
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-- More details could be found here:
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-- https://github.com/streetturtle/awesome-wm-widgets/tree/master/docker-widget
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-- @author Pavel Makhov
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-- @copyright 2020 Pavel Makhov
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-------------------------------------------------
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local awful = require("awful")
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local wibox = require("wibox")
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local watch = require("awful.widget.watch")
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local spawn = require("awful.spawn")
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local naughty = require("naughty")
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local gears = require("gears")
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local beautiful = require("beautiful")
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local gfs = require("gears.filesystem")
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local HOME_DIR = os.getenv("HOME")
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local WIDGET_DIR = HOME_DIR .. '/.config/awesome/awesome-wm-widgets/docker-widget'
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local ICONS_DIR = WIDGET_DIR .. '/icons/'
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--- Utility function to show warning messages
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local function show_warning(message)
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naughty.notify{
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preset = naughty.config.presets.critical,
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title = 'Docker Widget',
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text = message}
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end
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local popup = awful.popup{
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ontop = true,
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visible = false,
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shape = gears.shape.rounded_rect,
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border_width = 1,
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border_color = beautiful.bg_focus,
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maximum_width = 400,
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offset = { y = 5 },
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widget = {}
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}
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local docker_widget = wibox.widget {
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{
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{
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id = 'icon',
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widget = wibox.widget.imagebox
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},
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id = "m",
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margins = 4,
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layout = wibox.container.margin
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},
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{
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id = "txt",
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widget = wibox.widget.textbox
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},
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layout = wibox.layout.fixed.horizontal,
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set_icon = function(self, new_icon)
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self.m.icon.image = new_icon
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end,
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set_text = function(self, new_value)
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self.txt.text = new_value
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end
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}
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local parse_container = function(line)
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local name, id, image, status, how_long = line:match('(.*)::(.*)::(.*)::(%w*) (.*)')
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local actual_status
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if status == 'Up' and how_long:find('Paused') then actual_status = 'Paused'
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else actual_status = status
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end
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local container = {
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name = name,
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id = id,
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image = image,
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status = actual_status,
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how_long = how_long:gsub('%s?%(.*%)%s?', ''),
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is_up = function() return status == 'Up' end,
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is_paused = function() return how_long:find('Paused') end
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}
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return container
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end
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local status_to_icon_name = {
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Up = '/usr/share/icons/Arc/actions/16/media-playback-start.png',
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Exited = '/usr/share/icons/Arc/actions/16/media-playback-stop.png',
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Paused = '/usr/share/icons/Arc/actions/16/media-playback-pause.png'
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}
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local function worker(args)
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local args = args or {}
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local icon = args.icon or ICONS_DIR .. 'docker.svg'
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docker_widget:set_icon(icon)
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local rows = {
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{ widget = wibox.widget.textbox },
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layout = wibox.layout.fixed.vertical,
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}
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local function rebuild_widget(stdout, stderr, _, _)
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if stderr ~= '' then
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show_warning(stderr)
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return
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end
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for i = 0, #rows do rows[i]=nil end
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for line in stdout:gmatch("[^\r\n]+") do
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local container = parse_container(line)
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print(container:is_up())
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local name, container_id, image, status, how_long = line:match('(.*)::(.*)::(.*)::(%w*) (.*)')
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local is_visible
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if status == 'Up' or 'Exited' then is_visible = true else is_visible = false end
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local start_stop_button = wibox.widget {
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image = container:is_up() and '/usr/share/icons/Arc/actions/16/media-playback-stop.png' or '/usr/share/icons/Arc/actions/16/media-playback-start.png',
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visible = is_visible,
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resize = false,
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widget = wibox.widget.imagebox
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}
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local pause_unpause_button = wibox.widget {
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image = container:is_up() and '/usr/share/icons/Arc/actions/16/media-playback-pause.png' or '/usr/share/icons/Arc/actions/16/media-skip-forward.png',
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visible = container.is_up(),
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resize = false,
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widget = wibox.widget.imagebox
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}
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start_stop_button:buttons(
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awful.util.table.join( awful.button({}, 1, function()
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local command
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if container:is_up() then command = 'stop' else command = 'start' end
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awful.spawn.easy_async('docker ' .. command .. ' ' .. container['name'], function(stdout, stderr)
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if stderr ~= '' then show_warning(stderr) return end
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spawn.easy_async([[bash -c "docker container ls -a --format '{{.Names}}::{{.ID}}::{{.Image}}::{{.Status}}'"]], function(stdout, stderr)
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rebuild_widget(stdout, stderr) end)
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end)
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end) ) )
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pause_unpause_button:buttons(
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awful.util.table.join( awful.button({}, 1, function()
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local command
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if container:is_paused() then command = 'unpause' else command = 'pause' end
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awful.spawn.easy_async('docker ' .. command .. ' ' .. container['name'], function(stdout, stderr)
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if stderr ~= '' then show_warning(stderr) return end
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spawn.easy_async([[bash -c "docker container ls -a --format '{{.Names}}::{{.ID}}::{{.Image}}::{{.Status}}'"]], function(stdout, stderr)
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rebuild_widget(stdout, stderr) end)
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end)
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end) ) )
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local row = wibox.widget {
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{
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{
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{
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{
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image = status_to_icon_name[container['status']],
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resize = false,
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widget = wibox.widget.imagebox
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},
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margins = 8,
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layout = wibox.container.margin
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},
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{
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{
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text = container['name'],
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widget = wibox.widget.textbox
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},
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{
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text = container['how_long'],
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widget = wibox.widget.textbox
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},
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forced_width = 160,
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layout = wibox.layout.fixed.vertical
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},
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{
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{
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start_stop_button,
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pause_unpause_button,
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layout = wibox.layout.align.horizontal
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},
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forced_width = 40,
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valign = 'center',
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haligh = 'center',
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layout = wibox.container.place,
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},
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spacing = 8,
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layout = wibox.layout.align.horizontal
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},
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margins = 8,
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layout = wibox.container.margin
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},
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bg = beautiful.bg_normal,
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widget = wibox.container.background
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}
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row:connect_signal("mouse::enter", function(c) c:set_bg(beautiful.bg_focus) end)
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row:connect_signal("mouse::leave", function(c) c:set_bg(beautiful.bg_normal) end)
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table.insert(rows, row)
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end
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popup:setup(rows)
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end
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docker_widget:buttons(
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awful.util.table.join(
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awful.button({}, 1, function()
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if popup.visible then
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popup.visible = not popup.visible
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else
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spawn.easy_async([[bash -c "docker container ls -a --format '{{.Names}}::{{.ID}}::{{.Image}}::{{.Status}}'"]], function(stdout, stderr) rebuild_widget(stdout, stderr) end)
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popup:move_next_to(mouse.current_widget_geometry)
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end
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end)
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)
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)
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return docker_widget
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end
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return setmetatable(docker_widget, { __call = function(_, ...) return worker(...) end })
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