chore(metadata): script to update all metadata (#387)

* chore(metadata): script to update all metadata

* feat(update metadata): use merge instead of copying piece by piece

* fix(meta data update): do not remove workingdir

scripts/update-metadata.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+
+# sync properties in layers config file with live meta data
+# Usage: ./scripts/update-metadata.sh <layerId (optional)>
+
+
+version=0.6.1
+workingDir="./download"
+layersConfigFile="../data/layers-config.json"
+
+# take optional layer ID from command line argument
+layerID=$1 
+
+# check if layer ID is set
+if [ -z $layerID ]
+then
+    keys=$(jq -r 'keys[]' $layersConfigFile)
+else
+    keys=$layerID
+fi
+
+# for all key of the layer config
+for datasetId in ${keys}
+do
+    echo $datasetId 
+
+    # download metadata file
+    path=gs://esa-cfs-tiles/$version/$datasetId/metadata.json
+    metadataFileName=$workingDir/$datasetId-metadata.json
+    gsutil -q cp $path $metadataFileName
+
+    # merge layer config into metdata file
+    jq -s ".[0] * .[1].\"$datasetId\"" $metadataFileName $layersConfigFile | gsutil -q cp - $path
+
+    # set cachhing headers foir remote file
+    gsutil -q setmeta -r -h "cache-control: no-cache" $path
+
+    # delete files
+    rm $metadataFileName
+done