get_metadata

#!/bin/bash
set -e

mkdir -p /srv
metadata_keys=$(curl "http://metadata.google.internal/computeMetadata/v1/instance/attributes/" -H "Metadata-Flavor: Google" 2>/dev/null)

echo "Found metadata: $metadata_keys"

rm -f /srv/metadata.sh 2>/dev/null

for key in $metadata_keys; do
  value=$(curl "http://metadata.google.internal/computeMetadata/v1/instance/attributes/$key" -H "Metadata-Flavor: Google" 2>/dev/null)
  echo "export $key=$value" >> /srv/metadata.sh
  echo "Got $key=$value"
done

echo "Done. Metadata stored in /srv/metadata.sh"