luci-app-dockerman: initial checkin

Inital commit version v0.5.13 from https://github.com/lisaac/luci-app-dockerman

Signed-off-by: Florian Eckert <fe@dev.tdt.de>

1 files changed, 384 insertions, 0 deletions

diff --git a/applications/luci-app-dockerman/luasrc/controller/dockerman.lua b/applications/luci-app-dockerman/luasrc/controller/dockerman.lua
new file mode 100644
index 0000000000..939edd95c1
--- /dev/null
+++ b/applications/luci-app-dockerman/luasrc/controller/dockerman.lua
@@ -0,0 +1,384 @@
+--[[
+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()
+
+  entry({"admin", "docker"}, firstchild(), "Docker", 40).dependent = false
+  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