Files
sensorapi/databases/influx.js
T
2023-03-08 16:17:02 +01:00

72 lines
2.4 KiB
JavaScript

// Access to influxDB vie HTTP
import axios from 'axios'
import { DateTime } from 'luxon'
// import csvParse from 'csv-parser'
import { logit, logerror } from '../utilities/logit.js'
import {returnOnError} from "../utilities/reporterror.js";
let INFLUXHOST = process.env.INFLUXHOST || "localhost"
let INFLUXPORT = process.env.INFLUXPORT || 8086
let INFLUXTOKEN = process.env.INFLUXTOKEN ||
//"rklEClT22KfdXZhA47eyJhbqcvekb8bcKCqlUG7n72uDSmR2xGvif0CmGJe0WQtXB96y29mmt-9BdsgWA5npfg=="
"BNR6cGdb006O1T6hQkGcfB8tgH-UPO6QkOPToeAvrP7LATJbCuWi1wYf3HBpVdZQEBxHxNSrNenZsOSMogX-lg=="
let INFLUXDATABUCKET = process.env.INFLUXDATABUCKET || "sensor_data"
let INFLUXORG = process.env.INFLUXORG || "citysensor"
const INFLUXURL_READ = `http://${INFLUXHOST}:${INFLUXPORT}/api/v2/query?org=${INFLUXORG}`
const INFLUXURL_WRITE = `http://${INFLUXHOST}:${INFLUXPORT}/api/v2/write?org=${INFLUXORG}&bucket=${INFLUXDATABUCKET}`
export const influxRead = async (query) => {
let start = DateTime.now()
let erg = { values: [], err: null}
try {
let ret = await axios({
method: 'post',
url: INFLUXURL_READ,
data: query,
headers: {
Authorization: `Token ${INFLUXTOKEN}`,
Accept: 'application/csv',
'Content-type': 'application/vnd.flux'
},
timeout: 10000,
})
if (ret.status !== 200) {
let error = ERR.RESPSTATUS.replace('xx',ret.status)
return returnOnError(erg, error, influxRead.name)
}
erg.values = ret.data
} catch (e) {
return returnOnError(erg, e, influxRead.name)
}
logit(`Influx read time: ${start.diffNow('seconds').toObject().seconds * -1} sec`)
return erg
}
export const influxWrite = async (data) => {
let start = DateTime.now()
let ret
try {
ret = await axios({
method: 'post',
url: INFLUXURL_WRITE,
data: data,
headers: {
Authorization: `Token ${INFLUXTOKEN}`,
Accept: 'application/json',
'Content-Type': 'text/plain; charset=utf-8'
},
timeout: 10000,
})
if (ret.status !== 204) {
logerror(`doWrite2API Status: ${ret.status}`)
}
} catch (e) {
logerror(`doWrite2API ${e}`)
}
logit(`Influx-Write-Time: ${start.diffNow('seconds').toObject().seconds * -1} sec`)
return ret
}