1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
|
'use strict';
// SPDX-License-Identifier: GPL-3.0-or-later
// 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/node.d/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
}
]
}
*/
require('url');
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) {
const id = 'smawebbox_' + service.name + '.current';
let 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: 'smawebbox.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) {
const id = 'smawebbox_' + service.name + '.today';
let 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: 'smawebbox.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) {
const id = 'smawebbox_' + service.name + '.total';
let 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: 'smawebbox.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 repeatedly 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;
|
