first

2023-03-08 16:17:02 +01:00
commit 0b6959d4f6
35 changed files with 5804 additions and 0 deletions
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+// 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
+}