378 lines
14 KiB
Lua
378 lines
14 KiB
Lua
-------------------------------------------------
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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 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 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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local LIST_CONTAINERS_CMD = [[bash -c "docker container ls -a -s -n %s]]
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.. [[ --format '{{.Names}}::{{.ID}}::{{.Image}}::{{.Status}}::{{.Size}}'"]]
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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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margins = 4,
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layout = wibox.container.margin
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},
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shape = function(cr, width, height)
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gears.shape.rounded_rect(cr, width, height, 4)
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end,
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widget = wibox.container.background,
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set_icon = function(self, new_icon)
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self:get_children_by_id("icon")[1].image = new_icon
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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, size = 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 end
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how_long = how_long:gsub('%s?%(.*%)%s?', '')
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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,
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size = size,
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is_up = function() return status == 'Up' end,
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is_paused = function() return actual_status:find('Paused') end,
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is_exited = function() return status == 'Exited' 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 = ICONS_DIR .. 'play.svg',
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Exited = ICONS_DIR .. 'square.svg',
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Paused = ICONS_DIR .. 'pause.svg'
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}
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local function worker(user_args)
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local args = user_args or {}
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local icon = args.icon or ICONS_DIR .. 'docker.svg'
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local number_of_containers = args.number_of_containers or -1
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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(containers, errors, _, _)
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if errors ~= '' then
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show_warning(errors)
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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 containers:gmatch("[^\r\n]+") do
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local container = parse_container(line)
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local status_icon = wibox.widget {
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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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local start_stop_button
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if container.is_up() or container.is_exited() then
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start_stop_button = wibox.widget {
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{
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{
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id = 'icon',
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image = ICONS_DIR .. (container:is_up() and 'stop-btn.svg' or 'play-btn.svg'),
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opacity = 0.4,
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resize = false,
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widget = wibox.widget.imagebox
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},
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left = 2,
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right = 2,
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layout = wibox.container.margin
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},
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shape = gears.shape.circle,
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bg = '#00000000',
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widget = wibox.container.background
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}
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local old_cursor, old_wibox
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start_stop_button:connect_signal("mouse::enter", function(c)
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c:set_bg('#3B4252')
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local wb = mouse.current_wibox
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old_cursor, old_wibox = wb.cursor, wb
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wb.cursor = "hand1"
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c:get_children_by_id("icon")[1]:set_opacity(1)
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c:get_children_by_id("icon")[1]:emit_signal('widget::redraw_needed') end)
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start_stop_button:connect_signal("mouse::leave", function(c)
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c:set_bg('#00000000')
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if old_wibox then
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old_wibox.cursor = old_cursor
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old_wibox = nil
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end
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c:get_children_by_id("icon")[1]:set_opacity(0.4)
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c:get_children_by_id("icon")[1]:emit_signal('widget::redraw_needed')
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end)
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start_stop_button:buttons(
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gears.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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status_icon:set_opacity(0.2)
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status_icon:emit_signal('widget::redraw_needed')
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spawn.easy_async('docker ' .. command .. ' ' .. container['name'], function()
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if errors ~= '' then show_warning(errors) end
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spawn.easy_async(string.format(LIST_CONTAINERS_CMD, number_of_containers),
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function(stdout, stderr)
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rebuild_widget(stdout, stderr)
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end)
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end)
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end) ) )
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else
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start_stop_button = nil
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end
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local pause_unpause_button
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if container.is_up() then
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pause_unpause_button = wibox.widget {
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{
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{
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id = 'icon',
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image = ICONS_DIR .. (container:is_paused() and 'unpause-btn.svg' or 'pause-btn.svg'),
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opacity = 0.4,
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resize = false,
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widget = wibox.widget.imagebox
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},
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left = 2,
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right = 2,
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layout = wibox.container.margin
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},
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shape = gears.shape.circle,
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bg = '#00000000',
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widget = wibox.container.background
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}
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local old_cursor, old_wibox
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pause_unpause_button:connect_signal("mouse::enter", function(c)
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c:set_bg('#3B4252')
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local wb = mouse.current_wibox
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old_cursor, old_wibox = wb.cursor, wb
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wb.cursor = "hand1"
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c:get_children_by_id("icon")[1]:set_opacity(1)
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c:get_children_by_id("icon")[1]:emit_signal('widget::redraw_needed')
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end)
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pause_unpause_button:connect_signal("mouse::leave", function(c)
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c:set_bg('#00000000')
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if old_wibox then
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old_wibox.cursor = old_cursor
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old_wibox = nil
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end
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c:get_children_by_id("icon")[1]:set_opacity(0.4)
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c:get_children_by_id("icon")[1]:emit_signal('widget::redraw_needed')
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end)
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pause_unpause_button:buttons(
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gears.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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status_icon:set_opacity(0.2)
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status_icon:emit_signal('widget::redraw_needed')
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awful.spawn.easy_async('docker ' .. command .. ' ' .. container['name'], function(_, stderr)
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if stderr ~= '' then show_warning(stderr) end
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spawn.easy_async(string.format(LIST_CONTAINERS_CMD, number_of_containers),
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function(stdout, container_errors)
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rebuild_widget(stdout, container_errors)
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end)
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end)
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end) ) )
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else
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pause_unpause_button = nil
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end
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local delete_button
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if not container.is_up() then
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delete_button = wibox.widget {
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{
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{
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id = 'icon',
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image = ICONS_DIR .. 'trash-btn.svg',
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opacity = 0.4,
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resize = false,
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widget = wibox.widget.imagebox
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},
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margins = 4,
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layout = wibox.container.margin
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},
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shape = gears.shape.circle,
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bg = '#00000000',
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widget = wibox.container.background
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}
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delete_button:buttons(
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gears.table.join( awful.button({}, 1, function()
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awful.spawn.easy_async('docker rm ' .. container['name'], function(_, rm_stderr)
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if rm_stderr ~= '' then show_warning(rm_stderr) end
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spawn.easy_async(string.format(LIST_CONTAINERS_CMD, number_of_containers),
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function(lc_stdout, lc_stderr)
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rebuild_widget(lc_stdout, lc_stderr) end)
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end)
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end)))
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local old_cursor, old_wibox
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delete_button:connect_signal("mouse::enter", function(c)
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c:set_bg('#3B4252')
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local wb = mouse.current_wibox
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old_cursor, old_wibox = wb.cursor, wb
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wb.cursor = "hand1"
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c:get_children_by_id("icon")[1]:set_opacity(1)
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c:get_children_by_id("icon")[1]:emit_signal('widget::redraw_needed')
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end)
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delete_button:connect_signal("mouse::leave", function(c)
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c:set_bg('#00000000')
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if old_wibox then
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old_wibox.cursor = old_cursor
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old_wibox = nil
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end
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c:get_children_by_id("icon")[1]:set_opacity(0.4)
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c:get_children_by_id("icon")[1]:emit_signal('widget::redraw_needed')
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end)
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else
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delete_button = nil
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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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status_icon,
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margins = 8,
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layout = wibox.container.margin
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},
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valign = 'center',
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layout = wibox.container.place
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},
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{
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{
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{
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markup = '<b>' .. container['name'] .. '</b>',
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widget = wibox.widget.textbox
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},
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{
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text = container['size'],
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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 = 180,
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layout = wibox.layout.fixed.vertical
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},
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valign = 'center',
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layout = wibox.container.place
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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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delete_button,
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layout = wibox.layout.align.horizontal
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},
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forced_width = 90,
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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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gears.table.join(
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awful.button({}, 1, function()
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if popup.visible then
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docker_widget:set_bg('#00000000')
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popup.visible = not popup.visible
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else
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docker_widget:set_bg(beautiful.bg_focus)
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spawn.easy_async(string.format(LIST_CONTAINERS_CMD, number_of_containers),
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function(stdout, stderr)
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rebuild_widget(stdout, stderr)
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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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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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