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-- Copyright 2015 Jo-Philipp Wich <jow@openwrt.org>
-- Licensed to the public under the Apache License 2.0.
module("luci.statistics.rrdtool.definitions.apcups",package.seeall)
function rrdargs( graph, plugin, plugin_instance )
local lu = require("luci.util")
local rv = { }
-- Types and instances supported by APC UPS
-- e.g. ups_types -> { 'timeleft', 'charge', 'percent', 'voltage' }
-- e.g. ups_inst['voltage'] -> { 'input', 'battery' }
local ups_types = graph.tree:data_types( plugin, plugin_instance )
local ups_inst = {}
for _, t in ipairs(ups_types) do
ups_inst[t] = graph.tree:data_instances( plugin, plugin_instance, t )
end
-- Check if hash table or array is empty or nil-filled
local function empty( t )
for _, v in pairs(t) do
if type(v) then return false end
end
return true
end
-- Append graph definition but only types/instances which are
-- supported and available to the plugin and UPS.
local function add_supported( t, defs )
local def_inst = defs['data']['instances']
if type(def_inst) == "table" then
for k, v in pairs( def_inst ) do
if lu.contains( ups_types, k) then
for j = #v, 1, -1 do
if not lu.contains( ups_inst[k], v[j] ) then
table.remove( v, j )
end
end
if #v == 0 then
def_inst[k] = nil -- can't assign v: immutable
end
else
def_inst[k] = nil -- can't assign v: immutable
end
end
if empty(def_inst) then return end
end
table.insert( t, defs )
end
-- Graph definitions for APC UPS measurements MUST use only 'instances':
-- e.g. instances = { voltage = { "input", "output" } }
local voltagesdc = {
title = "%H: Voltages on APC UPS - Battery",
vlabel = "Volts DC",
alt_autoscale = true,
number_format = "%5.1lfV",
data = {
instances = {
voltage = { "battery" }
},
options = {
voltage = { title = "Battery voltage", noarea=true }
}
}
}
add_supported( rv, voltagesdc )
local voltagesac = {
title = "%H: Voltages on APC UPS - AC",
vlabel = "Volts AC",
alt_autoscale = true,
number_format = "%5.1lfV",
data = {
instances = {
voltage = { "input", "output" }
},
options = {
voltage_output = { color = "00e000", title = "Output voltage", noarea=true, overlay=true },
voltage_input = { color = "ffb000", title = "Input voltage", noarea=true, overlay=true }
}
}
}
add_supported( rv, voltagesac )
local percentload = {
title = "%H: Load on APC UPS ",
vlabel = "Percent",
y_min = "0",
y_max = "100",
number_format = "%5.1lf%%",
data = {
instances = {
percent = { "load" }
},
options = {
percent_load = { color = "00ff00", title = "Load level" }
}
}
}
add_supported( rv, percentload )
local charge_percent = {
title = "%H: Battery charge on APC UPS ",
vlabel = "Percent",
y_min = "0",
y_max = "100",
number_format = "%5.1lf%%",
data = {
instances = {
charge = { "" }
},
options = {
charge = { color = "00ff0b", title = "Charge level" }
}
}
}
add_supported( rv, charge_percent )
local temperature = {
title = "%H: Battery temperature on APC UPS ",
vlabel = "\176C",
number_format = "%5.1lf\176C",
data = {
instances = {
temperature = { "" }
},
options = {
temperature = { color = "ffb000", title = "Battery temperature" } }
}
}
add_supported( rv, temperature )
local timeleft = {
title = "%H: Time left on APC UPS ",
vlabel = "Minutes",
number_format = "%.1lfm",
data = {
instances = {
timeleft = { "" }
},
options = {
timeleft = { color = "0000ff", title = "Time left" }
}
}
}
add_supported( rv, timeleft )
local frequency = {
title = "%H: Incoming line frequency on APC UPS ",
vlabel = "Hz",
number_format = "%5.0lfhz",
data = {
instances = {
frequency = { "input" }
},
options = {
frequency_input = { color = "000fff", title = "Line frequency" }
}
}
}
add_supported( rv, frequency )
return rv
end
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