+++ /dev/null
---[[
-
-Luci statistics - statistics controller module
-(c) 2008 Freifunk Leipzig / Jo-Philipp Wich <xm@leipzig.freifunk.net>
-(c) 2012 Jo-Philipp Wich <xm@subsignal.org>
-
-Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
-
-]]--
-
-module("luci.controller.luci_statistics.luci_statistics", package.seeall)
-
-function index()
-
- require("nixio.fs")
- require("luci.util")
- require("luci.statistics.datatree")
-
- -- override entry(): check for existance <plugin>.so where <plugin> is derived from the called path
- function _entry( path, ... )
- local file = path[5] or path[4]
- if nixio.fs.access( "/usr/lib/collectd/" .. file .. ".so" ) then
- entry( path, ... )
- end
- end
-
- local labels = {
- s_output = _("Output plugins"),
- s_system = _("System plugins"),
- s_network = _("Network plugins"),
-
- conntrack = _("Conntrack"),
- cpu = _("Processor"),
- csv = _("CSV Output"),
- df = _("Disk Space Usage"),
- disk = _("Disk Usage"),
- dns = _("DNS"),
- email = _("Email"),
- exec = _("Exec"),
- interface = _("Interfaces"),
- iptables = _("Firewall"),
- irq = _("Interrupts"),
- iwinfo = _("Wireless"),
- load = _("System Load"),
- memory = _("Memory"),
- netlink = _("Netlink"),
- network = _("Network"),
- nut = _("UPS"),
- olsrd = _("OLSRd"),
- ping = _("Ping"),
- processes = _("Processes"),
- rrdtool = _("RRDTool"),
- splash_leases = _("Splash Leases"),
- tcpconns = _("TCP Connections"),
- unixsock = _("UnixSock"),
- uptime = _("Uptime")
- }
-
- -- our collectd menu
- local collectd_menu = {
- output = { "csv", "network", "rrdtool", "unixsock" },
- system = { "cpu", "df", "disk", "email", "exec", "irq", "load", "memory", "nut", "processes", "uptime" },
- network = { "conntrack", "dns", "interface", "iptables", "netlink", "olsrd", "ping", "splash_leases", "tcpconns", "iwinfo" }
- }
-
- -- create toplevel menu nodes
- local st = entry({"admin", "statistics"}, template("admin_statistics/index"), _("Statistics"), 80)
- st.index = true
-
- entry({"admin", "statistics", "collectd"}, cbi("luci_statistics/collectd"), _("Collectd"), 10).subindex = true
-
-
- -- populate collectd plugin menu
- local index = 1
- for section, plugins in luci.util.kspairs( collectd_menu ) do
- local e = entry(
- { "admin", "statistics", "collectd", section },
- firstchild(), labels["s_"..section], index * 10
- )
-
- e.index = true
-
- for j, plugin in luci.util.vspairs( plugins ) do
- _entry(
- { "admin", "statistics", "collectd", section, plugin },
- cbi("luci_statistics/" .. plugin ),
- labels[plugin], j * 10
- )
- end
-
- index = index + 1
- end
-
- -- output views
- local page = entry( { "admin", "statistics", "graph" }, template("admin_statistics/index"), _("Graphs"), 80)
- page.setuser = "nobody"
- page.setgroup = "nogroup"
-
- local vars = luci.http.formvalue(nil, true)
- local span = vars.timespan or nil
- local host = vars.host or nil
-
- -- get rrd data tree
- local tree = luci.statistics.datatree.Instance(host)
-
- local _, plugin, idx
- for _, plugin, idx in luci.util.vspairs( tree:plugins() ) do
-
- -- get plugin instances
- local instances = tree:plugin_instances( plugin )
-
- -- plugin menu entry
- entry(
- { "admin", "statistics", "graph", plugin },
- call("statistics_render"), labels[plugin], idx
- ).query = { timespan = span , host = host }
-
- -- if more then one instance is found then generate submenu
- if #instances > 1 then
- local _, inst, idx2
- for _, inst, idx2 in luci.util.vspairs(instances) do
- -- instance menu entry
- entry(
- { "admin", "statistics", "graph", plugin, inst },
- call("statistics_render"), inst, idx2
- ).query = { timespan = span , host = host }
- end
- end
- end
-end
-
-function statistics_render()
-
- require("luci.statistics.rrdtool")
- require("luci.template")
- require("luci.model.uci")
-
- local vars = luci.http.formvalue()
- local req = luci.dispatcher.context.request
- local path = luci.dispatcher.context.path
- local uci = luci.model.uci.cursor()
- local spans = luci.util.split( uci:get( "luci_statistics", "collectd_rrdtool", "RRATimespans" ), "%s+", nil, true )
- local span = vars.timespan or uci:get( "luci_statistics", "rrdtool", "default_timespan" ) or spans[1]
- local host = vars.host or uci:get( "luci_statistics", "collectd", "Hostname" ) or luci.sys.hostname()
- local opts = { host = vars.host }
- local graph = luci.statistics.rrdtool.Graph( luci.util.parse_units( span ), opts )
- local hosts = graph.tree:host_instances()
-
- local is_index = false
- local i, p, inst, idx
-
- -- deliver image
- if vars.img then
- local l12 = require "luci.ltn12"
- local png = io.open(graph.opts.imgpath .. "/" .. vars.img:gsub("%.+", "."), "r")
- if png then
- luci.http.prepare_content("image/png")
- l12.pump.all(l12.source.file(png), luci.http.write)
- png:close()
- end
- return
- end
-
- local plugin, instances
- local images = { }
-
- -- find requested plugin and instance
- for i, p in ipairs( luci.dispatcher.context.path ) do
- if luci.dispatcher.context.path[i] == "graph" then
- plugin = luci.dispatcher.context.path[i+1]
- instances = { luci.dispatcher.context.path[i+2] }
- end
- end
-
- -- no instance requested, find all instances
- if #instances == 0 then
- --instances = { graph.tree:plugin_instances( plugin )[1] }
- instances = graph.tree:plugin_instances( plugin )
- is_index = true
-
- -- index instance requested
- elseif instances[1] == "-" then
- instances[1] = ""
- is_index = true
- end
-
-
- -- render graphs
- for i, inst in luci.util.vspairs( instances ) do
- for i, img in luci.util.vspairs( graph:render( plugin, inst, is_index ) ) do
- table.insert( images, graph:strippngpath( img ) )
- images[images[#images]] = inst
- end
- end
-
- luci.template.render( "public_statistics/graph", {
- images = images,
- plugin = plugin,
- timespans = spans,
- current_timespan = span,
- hosts = hosts,
- current_host = host,
- is_index = is_index
- } )
-end
projects / project / luci.git / blobdiff