luci/applications/luci-app-dockerman/luasrc/controller/dockerman.lua
Florian Eckert 5f776df12b luci-app-dockerman: add ACL dependency annotations"
Signed-off-by: Florian Eckert <fe@dev.tdt.de>
2020-06-10 08:44:58 +02:00

387 lines
15 KiB
Lua

--[[
LuCI - Lua Configuration Interface
Copyright 2019 lisaac <https://github.com/lisaac/luci-app-dockerman>
]]--
require "luci.util"
local docker = require "luci.model.docker"
-- local uci = require "luci.model.uci"
module("luci.controller.dockerman",package.seeall)
function index()
local e = entry({"admin", "docker"}, firstchild(), "Docker", 40)
e.dependent = false
e.acl_depends = { "luci-app-dockerman" }
entry({"admin","docker","overview"},cbi("dockerman/overview"),_("Overview"),0).leaf=true
local remote = luci.model.uci.cursor():get("dockerman", "local", "remote_endpoint")
if remote == nil then
local socket = luci.model.uci.cursor():get("dockerman", "local", "socket_path")
if socket and not nixio.fs.access(socket) then return end
elseif remote == "true" then
local host = luci.model.uci.cursor():get("dockerman", "local", "remote_host")
local port = luci.model.uci.cursor():get("dockerman", "local", "remote_port")
if not host or not port then return end
end
if (require "luci.model.docker").new():_ping().code ~= 200 then return end
entry({"admin","docker","containers"},form("dockerman/containers"),_("Containers"),1).leaf=true
entry({"admin","docker","images"},form("dockerman/images"),_("Images"),2).leaf=true
entry({"admin","docker","networks"},form("dockerman/networks"),_("Networks"),3).leaf=true
entry({"admin","docker","volumes"},form("dockerman/volumes"),_("Volumes"),4).leaf=true
entry({"admin","docker","events"},call("action_events"),_("Events"),5)
entry({"admin","docker","newcontainer"},form("dockerman/newcontainer")).leaf=true
entry({"admin","docker","newnetwork"},form("dockerman/newnetwork")).leaf=true
entry({"admin","docker","container"},form("dockerman/container")).leaf=true
entry({"admin","docker","container_stats"},call("action_get_container_stats")).leaf=true
entry({"admin","docker","container_get_archive"},call("download_archive")).leaf=true
entry({"admin","docker","container_put_archive"},call("upload_archive")).leaf=true
entry({"admin","docker","images_save"},call("save_images")).leaf=true
entry({"admin","docker","images_load"},call("load_images")).leaf=true
entry({"admin","docker","images_import"},call("import_images")).leaf=true
entry({"admin","docker","images_get_tags"},call("get_image_tags")).leaf=true
entry({"admin","docker","images_tag"},call("tag_image")).leaf=true
entry({"admin","docker","images_untag"},call("untag_image")).leaf=true
entry({"admin","docker","confirm"},call("action_confirm")).leaf=true
end
function action_events()
local logs = ""
local dk = docker.new()
local query ={}
query["until"] = os.time()
local events = dk:events({query = query})
if events.code == 200 then
for _, v in ipairs(events.body) do
if v and v.Type == "container" then
logs = (logs ~= "" and (logs .. "\n") or logs) .. "[" .. os.date("%Y-%m-%d %H:%M:%S", v.time) .."] "..v.Type.. " " .. (v.Action or "null") .. " Container ID:".. (v.Actor.ID or "null") .. " Container Name:" .. (v.Actor.Attributes.name or "null")
elseif v.Type == "network" then
logs = (logs ~= "" and (logs .. "\n") or logs) .. "[" .. os.date("%Y-%m-%d %H:%M:%S", v.time) .."] "..v.Type.. " " .. v.Action .. " Container ID:"..( v.Actor.Attributes.container or "null" ) .. " Network Name:" .. (v.Actor.Attributes.name or "null") .. " Network type:".. v.Actor.Attributes.type or ""
elseif v.Type == "image" then
logs = (logs ~= "" and (logs .. "\n") or logs) .. "[" .. os.date("%Y-%m-%d %H:%M:%S", v.time) .."] "..v.Type.. " " .. v.Action .. " Image:".. (v.Actor.ID or "null").. " Image Name:" .. (v.Actor.Attributes.name or "null")
end
end
end
luci.template.render("dockerman/logs", {self={syslog = logs, title="Events"}})
end
local calculate_cpu_percent = function(d)
if type(d) ~= "table" then return end
cpu_count = tonumber(d["cpu_stats"]["online_cpus"])
cpu_percent = 0.0
cpu_delta = tonumber(d["cpu_stats"]["cpu_usage"]["total_usage"]) - tonumber(d["precpu_stats"]["cpu_usage"]["total_usage"])
system_delta = tonumber(d["cpu_stats"]["system_cpu_usage"]) - tonumber(d["precpu_stats"]["system_cpu_usage"])
if system_delta > 0.0 then
cpu_percent = string.format("%.2f", cpu_delta / system_delta * 100.0 * cpu_count)
end
-- return cpu_percent .. "%"
return cpu_percent
end
local get_memory = function(d)
if type(d) ~= "table" then return end
-- local limit = string.format("%.2f", tonumber(d["memory_stats"]["limit"]) / 1024 / 1024)
-- local usage = string.format("%.2f", (tonumber(d["memory_stats"]["usage"]) - tonumber(d["memory_stats"]["stats"]["total_cache"])) / 1024 / 1024)
-- return usage .. "MB / " .. limit.. "MB"
local limit =tonumber(d["memory_stats"]["limit"])
local usage = tonumber(d["memory_stats"]["usage"]) - tonumber(d["memory_stats"]["stats"]["total_cache"])
return usage, limit
end
local get_rx_tx = function(d)
if type(d) ~="table" then return end
-- local data
-- if type(d["networks"]) == "table" then
-- for e, v in pairs(d["networks"]) do
-- data = (data and (data .. "<br>") or "") .. e .. " Total Tx:" .. string.format("%.2f",(tonumber(v.tx_bytes)/1024/1024)) .. "MB Total Rx: ".. string.format("%.2f",(tonumber(v.rx_bytes)/1024/1024)) .. "MB"
-- end
-- end
local data = {}
if type(d["networks"]) == "table" then
for e, v in pairs(d["networks"]) do
data[e] = {
bw_tx = tonumber(v.tx_bytes),
bw_rx = tonumber(v.rx_bytes)
}
end
end
return data
end
function action_get_container_stats(container_id)
if container_id then
local dk = docker.new()
local response = dk.containers:inspect({id = container_id})
if response.code == 200 and response.body.State.Running then
response = dk.containers:stats({id = container_id, query = {stream = false}})
if response.code == 200 then
local container_stats = response.body
local cpu_percent = calculate_cpu_percent(container_stats)
local mem_useage, mem_limit = get_memory(container_stats)
local bw_rxtx = get_rx_tx(container_stats)
luci.http.status(response.code, response.body.message)
luci.http.prepare_content("application/json")
luci.http.write_json({
cpu_percent = cpu_percent,
memory = {
mem_useage = mem_useage,
mem_limit = mem_limit
},
bw_rxtx = bw_rxtx
})
else
luci.http.status(response.code, response.body.message)
luci.http.prepare_content("text/plain")
luci.http.write(response.body.message)
end
else
if response.code == 200 then
luci.http.status(500, "container "..container_id.." not running")
luci.http.prepare_content("text/plain")
luci.http.write("Container "..container_id.." not running")
else
luci.http.status(response.code, response.body.message)
luci.http.prepare_content("text/plain")
luci.http.write(response.body.message)
end
end
else
luci.http.status(404, "No container name or id")
luci.http.prepare_content("text/plain")
luci.http.write("No container name or id")
end
end
function action_confirm()
local data = docker:read_status()
if data then
data = data:gsub("\n","<br>"):gsub(" ","&nbsp;")
code = 202
msg = data
else
code = 200
msg = "finish"
data = "finish"
end
luci.http.status(code, msg)
luci.http.prepare_content("application/json")
luci.http.write_json({info = data})
end
function download_archive()
local id = luci.http.formvalue("id")
local path = luci.http.formvalue("path")
local dk = docker.new()
local first
local cb = function(res, chunk)
if res.code == 200 then
if not first then
first = true
luci.http.header('Content-Disposition', 'inline; filename="archive.tar"')
luci.http.header('Content-Type', 'application\/x-tar')
end
luci.ltn12.pump.all(chunk, luci.http.write)
else
if not first then
first = true
luci.http.prepare_content("text/plain")
end
luci.ltn12.pump.all(chunk, luci.http.write)
end
end
local res = dk.containers:get_archive({id = id, query = {path = path}}, cb)
end
function upload_archive(container_id)
local path = luci.http.formvalue("upload-path")
local dk = docker.new()
local ltn12 = require "luci.ltn12"
local rec_send = function(sinkout)
luci.http.setfilehandler(function (meta, chunk, eof)
if chunk then
ltn12.pump.step(ltn12.source.string(chunk), sinkout)
end
end)
end
local res = dk.containers:put_archive({id = container_id, query = {path = path}, body = rec_send})
local msg = res and res.body and res.body.message or nil
luci.http.status(res.code, msg)
luci.http.prepare_content("application/json")
luci.http.write_json({message = msg})
end
function save_images(container_id)
local names = luci.http.formvalue("names")
local dk = docker.new()
local first
local cb = function(res, chunk)
if res.code == 200 then
if not first then
first = true
luci.http.status(res.code, res.message)
luci.http.header('Content-Disposition', 'inline; filename="images.tar"')
luci.http.header('Content-Type', 'application\/x-tar')
end
luci.ltn12.pump.all(chunk, luci.http.write)
else
if not first then
first = true
luci.http.prepare_content("text/plain")
end
luci.ltn12.pump.all(chunk, luci.http.write)
end
end
docker:write_status("Images: saving" .. " " .. container_id .. "...")
local res = dk.images:get({id = container_id, query = {names = names}}, cb)
docker:clear_status()
local msg = res and res.body and res.body.message or nil
luci.http.status(res.code, msg)
luci.http.prepare_content("application/json")
luci.http.write_json({message = msg})
end
function load_images()
local path = luci.http.formvalue("upload-path")
local dk = docker.new()
local ltn12 = require "luci.ltn12"
local rec_send = function(sinkout)
luci.http.setfilehandler(function (meta, chunk, eof)
if chunk then
ltn12.pump.step(ltn12.source.string(chunk), sinkout)
end
end)
end
docker:write_status("Images: loading...")
local res = dk.images:load({body = rec_send})
-- res.body = {"stream":"Loaded image ID: sha256:1399d3d81f80d68832e85ed6ba5f94436ca17966539ba715f661bd36f3caf08f\n"}
local msg = res and res.body and ( res.body.message or res.body.stream or res.body.error)or nil
if res.code == 200 and msg and msg:match("Loaded image ID") then
docker:clear_status()
luci.http.status(res.code, msg)
else
docker:append_status("code:" .. res.code.." ".. msg)
luci.http.status(300, msg)
end
luci.http.prepare_content("application/json")
luci.http.write_json({message = msg})
end
function import_images()
local src = luci.http.formvalue("src")
local itag = luci.http.formvalue("tag")
local dk = docker.new()
local ltn12 = require "luci.ltn12"
local rec_send = function(sinkout)
luci.http.setfilehandler(function (meta, chunk, eof)
if chunk then
ltn12.pump.step(ltn12.source.string(chunk), sinkout)
end
end)
end
docker:write_status("Images: importing".. " ".. itag .."...\n")
local repo = itag and itag:match("^([^:]+)")
local tag = itag and itag:match("^[^:]-:([^:]+)")
local res = dk.images:create({query = {fromSrc = src or "-", repo = repo or nil, tag = tag or nil }, body = not src and rec_send or nil}, docker.import_image_show_status_cb)
local msg = res and res.body and ( res.body.message )or nil
if not msg and #res.body == 0 then
-- res.body = {"status":"sha256:d5304b58e2d8cc0a2fd640c05cec1bd4d1229a604ac0dd2909f13b2b47a29285"}
msg = res.body.status or res.body.error
elseif not msg and #res.body >= 1 then
-- res.body = [...{"status":"sha256:d5304b58e2d8cc0a2fd640c05cec1bd4d1229a604ac0dd2909f13b2b47a29285"}]
msg = res.body[#res.body].status or res.body[#res.body].error
end
if res.code == 200 and msg and msg:match("sha256:") then
docker:clear_status()
else
docker:append_status("code:" .. res.code.." ".. msg)
end
luci.http.status(res.code, msg)
luci.http.prepare_content("application/json")
luci.http.write_json({message = msg})
end
function get_image_tags(image_id)
if not image_id then
luci.http.status(400, "no image id")
luci.http.prepare_content("application/json")
luci.http.write_json({message = "no image id"})
return
end
local dk = docker.new()
local res = dk.images:inspect({id = image_id})
local msg = res and res.body and res.body.message or nil
luci.http.status(res.code, msg)
luci.http.prepare_content("application/json")
if res.code == 200 then
local tags = res.body.RepoTags
luci.http.write_json({tags = tags})
else
local msg = res and res.body and res.body.message or nil
luci.http.write_json({message = msg})
end
end
function tag_image(image_id)
local src = luci.http.formvalue("tag")
local image_id = image_id or luci.http.formvalue("id")
if type(src) ~= "string" or not image_id then
luci.http.status(400, "no image id or tag")
luci.http.prepare_content("application/json")
luci.http.write_json({message = "no image id or tag"})
return
end
local repo = src:match("^([^:]+)")
local tag = src:match("^[^:]-:([^:]+)")
local dk = docker.new()
local res = dk.images:tag({id = image_id, query={repo=repo, tag=tag}})
local msg = res and res.body and res.body.message or nil
luci.http.status(res.code, msg)
luci.http.prepare_content("application/json")
if res.code == 201 then
local tags = res.body.RepoTags
luci.http.write_json({tags = tags})
else
local msg = res and res.body and res.body.message or nil
luci.http.write_json({message = msg})
end
end
function untag_image(tag)
local tag = tag or luci.http.formvalue("tag")
if not tag then
luci.http.status(400, "no tag name")
luci.http.prepare_content("application/json")
luci.http.write_json({message = "no tag name"})
return
end
local dk = docker.new()
local res = dk.images:inspect({name = tag})
if res.code == 200 then
local tags = res.body.RepoTags
if #tags > 1 then
local r = dk.images:remove({name = tag})
local msg = r and r.body and r.body.message or nil
luci.http.status(r.code, msg)
luci.http.prepare_content("application/json")
luci.http.write_json({message = msg})
else
luci.http.status(500, "Cannot remove the last tag")
luci.http.prepare_content("application/json")
luci.http.write_json({message = "Cannot remove the last tag"})
end
else
local msg = res and res.body and res.body.message or nil
luci.http.status(res.code, msg)
luci.http.prepare_content("application/json")
luci.http.write_json({message = msg})
end
end