add helm charts

backing-services/osrm/files/gcs-download-prepared.sh.tpl

@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ensure_dependency() {
+  if ! which "$1" &>/dev/null ; then
+    echo "$1 not found"
+    exit 1
+  fi
+}
+
+ensure_dependency gsutil
+ensure_dependency tar
+
+version="{{ .Values.map.gcs.version | default "unversioned" }}"
+uri="{{ .Values.map.gcs.uri }}"
+file="{{ base .Values.map.gcs.uri }}"
+
+mkdir -p "/data/maps/${version}"
+cd "/data/maps/${version}"
+
+if [ ! -r downloaded.lock ]; then
+  gcloud auth activate-service-account --key-file="$GOOGLE_APPLICATION_CREDENTIALS"
+  gsutil -m cp "${uri}" .
+  tar xzvf "${file}"
+  rm "${file}"
+
+  # Rename all files so we have predictable argument name in statefulset.
+  shopt -s nullglob
+  for f in *.osrm*
+  do
+    echo "Rename $f -> map.osrm${f#*.osrm*}"
+    mv "$f" "map.osrm${f#*.osrm*}"
+  done
+
+  touch downloaded.lock
+fi
+
+echo "Done!"
+exit 0