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netdata/node.d/sma_webbox.node.js at master · clore/netdata · GitHub
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sma_webbox.node.js
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'use strict'
;
// This program will connect to one or more SMA Sunny Webboxes
// to get the Solar Power Generated (current, today, total).
// example configuration in /etc/netdata/sma_webbox.conf
/*
{
"enable_autodetect": false,
"update_every": 5,
"servers": [
{
"name": "plant1",
"hostname": "10.0.1.1",
"update_every": 10
},
{
"name": "plant2",
"hostname": "10.0.2.1",
"update_every": 15
}
]
}
*/
var
url
=
require
(
'url'
)
;
var
http
=
require
(
'http'
)
;
var
netdata
=
require
(
'netdata'
)
;
if
(
netdata
.
options
.
DEBUG
===
true
)
netdata
.
debug
(
'loaded '
+
__filename
+
' plugin'
)
;
var
webbox
=
{
name
:
__filename
,
enable_autodetect
:
true
,
update_every
:
1
,
base_priority
:
60000
,
charts
:
{
}
,
processResponse
:
function
(
service
,
data
)
{
if
(
data
!==
null
)
{
var
r
=
JSON
.
parse
(
data
)
;
var
d
=
{
'GriPwr'
:
{
unit
:
null
,
value
:
null
}
,
'GriEgyTdy'
:
{
unit
:
null
,
value
:
null
}
,
'GriEgyTot'
:
{
unit
:
null
,
value
:
null
}
}
;
// parse the webbox response
// and put it in our d object
var
found
=
0
;
var
len
=
r
.
result
.
overview
.
length
;
while
(
len
--
)
{
var
e
=
r
.
result
.
overview
[
len
]
;
if
(
typeof
(
d
[
e
.
meta
]
)
!==
'undefined'
)
{
found
++
;
d
[
e
.
meta
]
.
value
=
e
.
value
;
d
[
e
.
meta
]
.
unit
=
e
.
unit
;
}
}
// add the service
if
(
found
>
0
&&
service
.
added
!==
true
)
service
.
commit
(
)
;
// Grid Current Power Chart
if
(
d
[
'GriPwr'
]
.
value
!==
null
)
{
var
id
=
'sma_webbox_'
+
service
.
name
+
'.current'
;
var
chart
=
webbox
.
charts
[
id
]
;
if
(
typeof
chart
===
'undefined'
)
{
chart
=
{
id
:
id
,
// the unique id of the chart
name
:
''
,
// the unique name of the chart
title
:
service
.
name
+
' Current Grid Power'
,
// the title of the chart
units
:
d
[
'GriPwr'
]
.
unit
,
// the units of the chart dimensions
family
:
'now'
,
// the family of the chart
context
:
'sma_webbox.grid.power'
,
// the context of the chart
type
:
netdata
.
chartTypes
.
area
,
// the type of the chart
priority
:
webbox
.
base_priority
+
1
,
// the priority relative to others in the same family
update_every
:
service
.
update_every
,
// the expected update frequency of the chart
dimensions
:
{
'GriPwr'
:
{
id
:
'GriPwr'
,
// the unique id of the dimension
name
:
'power'
,
// the name of the dimension
algorithm
:
netdata
.
chartAlgorithms
.
absolute
,
// the id of the netdata algorithm
multiplier
:
1
,
// the multiplier
divisor
:
1
,
// the divisor
hidden
:
false
// is hidden (boolean)
}
}
}
;
chart
=
service
.
chart
(
id
,
chart
)
;
webbox
.
charts
[
id
]
=
chart
;
}
service
.
begin
(
chart
)
;
service
.
set
(
'GriPwr'
,
Math
.
round
(
d
[
'GriPwr'
]
.
value
)
)
;
service
.
end
(
)
;
}
if
(
d
[
'GriEgyTdy'
]
.
value
!==
null
)
{
var
id
=
'sma_webbox_'
+
service
.
name
+
'.today'
;
var
chart
=
webbox
.
charts
[
id
]
;
if
(
typeof
chart
===
'undefined'
)
{
chart
=
{
id
:
id
,
// the unique id of the chart
name
:
''
,
// the unique name of the chart
title
:
service
.
name
+
' Today Grid Power'
,
// the title of the chart
units
:
d
[
'GriEgyTdy'
]
.
unit
,
// the units of the chart dimensions
family
:
'today'
,
// the family of the chart
context
:
'sma_webbox.grid.power.today'
,
// the context of the chart
type
:
netdata
.
chartTypes
.
area
,
// the type of the chart
priority
:
webbox
.
base_priority
+
2
,
// the priority relative to others in the same family
update_every
:
service
.
update_every
,
// the expected update frequency of the chart
dimensions
:
{
'GriEgyTdy'
:
{
id
:
'GriEgyTdy'
,
// the unique id of the dimension
name
:
'power'
,
// the name of the dimension
algorithm
:
netdata
.
chartAlgorithms
.
absolute
,
// the id of the netdata algorithm
multiplier
:
1
,
// the multiplier
divisor
:
1000
,
// the divisor
hidden
:
false
// is hidden (boolean)
}
}
}
;
chart
=
service
.
chart
(
id
,
chart
)
;
webbox
.
charts
[
id
]
=
chart
;
}
service
.
begin
(
chart
)
;
service
.
set
(
'GriEgyTdy'
,
Math
.
round
(
d
[
'GriEgyTdy'
]
.
value
*
1000
)
)
;
service
.
end
(
)
;
}
if
(
d
[
'GriEgyTot'
]
.
value
!==
null
)
{
var
id
=
'sma_webbox_'
+
service
.
name
+
'.total'
;
var
chart
=
webbox
.
charts
[
id
]
;
if
(
typeof
chart
===
'undefined'
)
{
chart
=
{
id
:
id
,
// the unique id of the chart
name
:
''
,
// the unique name of the chart
title
:
service
.
name
+
' Total Grid Power'
,
// the title of the chart
units
:
d
[
'GriEgyTot'
]
.
unit
,
// the units of the chart dimensions
family
:
'total'
,
// the family of the chart
context
:
'sma_webbox.grid.power.total'
,
// the context of the chart
type
:
netdata
.
chartTypes
.
area
,
// the type of the chart
priority
:
webbox
.
base_priority
+
3
,
// the priority relative to others in the same family
update_every
:
service
.
update_every
,
// the expected update frequency of the chart
dimensions
:
{
'GriEgyTot'
:
{
id
:
'GriEgyTot'
,
// the unique id of the dimension
name
:
'power'
,
// the name of the dimension
algorithm
:
netdata
.
chartAlgorithms
.
absolute
,
// the id of the netdata algorithm
multiplier
:
1
,
// the multiplier
divisor
:
1000
,
// the divisor
hidden
:
false
// is hidden (boolean)
}
}
}
;
chart
=
service
.
chart
(
id
,
chart
)
;
webbox
.
charts
[
id
]
=
chart
;
}
service
.
begin
(
chart
)
;
service
.
set
(
'GriEgyTot'
,
Math
.
round
(
d
[
'GriEgyTot'
]
.
value
*
1000
)
)
;
service
.
end
(
)
;
}
}
}
,
// module.serviceExecute()
// this function is called only from this module
// its purpose is to prepare the request and call
// netdata.serviceExecute()
serviceExecute
:
function
(
name
,
hostname
,
update_every
)
{
if
(
netdata
.
options
.
DEBUG
===
true
)
netdata
.
debug
(
this
.
name
+
': '
+
name
+
': hostname: '
+
hostname
+
', update_every: '
+
update_every
)
;
var
service
=
netdata
.
service
(
{
name
:
name
,
request
:
netdata
.
requestFromURL
(
'http://'
+
hostname
+
'/rpc'
)
,
update_every
:
update_every
,
module
:
this
}
)
;
service
.
postData
=
'RPC={"proc":"GetPlantOverview","format":"JSON","version":"1.0","id":"1"}'
;
service
.
request
.
method
=
'POST'
;
service
.
request
.
headers
[
'Content-Length'
]
=
service
.
postData
.
length
;
service
.
execute
(
this
.
processResponse
)
;
}
,
configure
:
function
(
config
)
{
var
added
=
0
;
if
(
typeof
(
config
.
servers
)
!==
'undefined'
)
{
var
len
=
config
.
servers
.
length
;
while
(
len
--
)
{
if
(
typeof
config
.
servers
[
len
]
.
update_every
===
'undefined'
)
config
.
servers
[
len
]
.
update_every
=
this
.
update_every
;
if
(
config
.
servers
[
len
]
.
update_every
<
5
)
config
.
servers
[
len
]
.
update_every
=
5
;
this
.
serviceExecute
(
config
.
servers
[
len
]
.
name
,
config
.
servers
[
len
]
.
hostname
,
config
.
servers
[
len
]
.
update_every
)
;
added
++
;
}
}
return
added
;
}
,
// module.update()
// this is called repeatidly to collect data, by calling
// netdata.serviceExecute()
update
:
function
(
service
,
callback
)
{
service
.
execute
(
function
(
serv
,
data
)
{
service
.
module
.
processResponse
(
serv
,
data
)
;
callback
(
)
;
}
)
;
}
,
}
;
module
.
exports
=
webbox
;
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