101 lines
2.9 KiB
JavaScript
101 lines
2.9 KiB
JavaScript
// Access to influxDB vie HTTP
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import axios from 'axios'
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import { logit, logerror } from './logit.js'
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import { DateTime } from 'luxon'
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import { statistics } from'./readdata.js'
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let DEVELOP = process.env.DEVELOP || 'false'
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let INFLUXHOST = process.env.INFLUXHOST || "localhost"
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let INFLUXPORT = process.env.INFLUXPORT || 8086
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let INFLUXTOKEN = process.env.INFLUXTOKEN || 'empty'
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let INFLUXDATABUCKET = process.env.INFLUXDATABUCKET || "sensor_data"
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let INFLUXORG = process.env.INFLUXORG || "citysensor"
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const INFLUXURL_READ = `http://${INFLUXHOST}:${INFLUXPORT}/api/v2/query?org=${INFLUXORG}`
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const INFLUXURL_WRITE = `http://${INFLUXHOST}:${INFLUXPORT}/api/v2/write?org=${INFLUXORG}&bucket=${INFLUXDATABUCKET}&precision=ms`
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export const influxRead = async (query) => {
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let start = DateTime.now()
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let data = []
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try {
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let ret = await axios({
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method: 'post',
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url: INFLUXURL_READ,
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data: query,
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headers: {
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Authorization: `Token ${INFLUXTOKEN}`,
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Accept: 'application/csv',
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'Content-type': 'application/vnd.flux'
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},
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timeout: 10000,
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})
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if (ret.status != 200) {
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logerror(`doReadfromAPI Status: ${ret.status}`)
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}
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data = ret.data
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} catch (e) {
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logerror(`doReadfromAPI ${e}`)
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}
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logit(`ReadIn-Time: ${start.diffNow('seconds').toObject().seconds * -1} sec`)
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return data
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}
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export const influxWrite = async (data) => {
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let start = DateTime.now()
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let ret
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logit(INFLUXURL_WRITE)
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if (DEVELOP === 'true') {
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logit(`Token: ${INFLUXTOKEN}`)
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}
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try {
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ret = await axios({
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method: 'post',
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url: INFLUXURL_WRITE,
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data: data,
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headers: {
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Authorization: `Token ${INFLUXTOKEN}`,
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Accept: 'application/json',
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'Content-Type': 'text/plain; charset=utf-8'
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},
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timeout: 10000,
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})
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if (ret.status != 204) {
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logerror(`doWrite2API Status: ${ret.status}`)
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}
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} catch (e) {
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logerror(`doWrite2API ${e}`)
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}
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let statname = `writeInfluxData[sensor_data]Time`
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statistics[statname] = DateTime.now().diff(start, ['seconds']).toObject().seconds
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logit(`Influx-Write-Time: ${start.diffNow('seconds').toObject().seconds * -1} sec`)
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return ret
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}
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/*
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async function main() {
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let data = `
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pm,sid=140 P1=12,P2=13
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pm,sid=142 P1=42,P2=13
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pm,sid=143 P1=43,P2=13
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pm,sid=144 P1=44,P2=13
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thp,sid=141 temperature=23.5,humidity=48,pressure=998
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`
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let ret = await influxWrite(data)
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process.exit()
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let query = `from(bucket:"sensor_data")
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|> range(start: -1mo)
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|> filter(fn: (r) => r._measurement == "pm")
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|> filter(fn: (r) => r.sid == "140")
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`
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let erg = await influxRead(query)
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console.log(erg)
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}
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main().catch(console.error)
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*/
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