use fs to get file

src/create-contour/contour.js

@@ -40,7 +40,7 @@ const createContourLines = async (inputPath, datasetTimestamp, interval) => {
     }
 
     // build command for sub-process
-    const contourCmd = `gdal_contour -b 2 -a TEMP -i ${interval} -f "GeoJSON" ${inputPath} /opt/cog/output${datasetTimestamp}.geojson`;
+    const contourCmd = `gdal_contour -b 2 -a TEMP -i ${interval} -f "GeoJSON" ${inputPath} /tmp/output${datasetTimestamp}.geojson`;
 
     return await execShellCommand(contourCmd);
 }

src/create-contour/index.js

@@ -2,7 +2,6 @@ import { initialize } from '../workerTemplate.js';
 import logger from './child-logger.js';
 import { getClient } from './get-client.js';
 import { addData } from './add-to-table.js'
-import fetch from 'node-fetch';
 import * as fs from 'fs/promises';
 
 import dayjs from 'dayjs';
@@ -45,10 +44,17 @@ const contourLinesWorker = async (workerJob, inputs) => {
 
     // array aus multiLines als geoJSON
     // todo check if it needs a relative path
-    const file = `https://klips-dev.terrestris.de/cog/output${datasetTimestampUnformated}.geojson`;
-    const contourLines = fetch(file)
-        .then((response) => response.json())
-        .then(data => { return (data) });
+    const file = `/tmp/output${datasetTimestampUnformated}.geojson`;
+    let contourLines;
+    fs.readFile(file, (err, data) => {
+        if (err) throw err;
+        contourLines = data;
+    });
+
+    if (!contourLines) {
+        logger.error(`Contour lines could not be fetched.`);
+        throw `Contour lines could not be fetched.`;
+    }
 
     // Create table
     // TODO check if this can be moved to seperate file
@@ -76,18 +82,6 @@ const contourLinesWorker = async (workerJob, inputs) => {
         region
     ));
 
-    //Delete temporal file
-    if (!contourLines) {
-        logger.error(`Contour lines could not be fetched.`);
-        throw `Contour lines could not be fetched.`;
-    }
-
-    try {
-        await fs.unlink(file);
-    } catch (error) {
-        logger.error({ error: error }, `Problem deleting file.`);
-    }
-
     workerJob.status = 'success';
 
     logger.info(`Archiving finished.`);

src/create-contour/package.json

@@ -14,7 +14,6 @@
     "dotenv": "^16.4.1",
     "fs": "^0.0.1-security",
     "node": "^21.6.1",
-    "node-fetch": "^3.3.2",
     "pg": "^8.11.3",
     "pino": "^8.8.0",
     "pino-pretty": "^9.1.1"