add helm charts

backing-services/osrm/files/http-download.sh.tpl

@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ensure_dependency() {
+  if ! which "$1" &>/dev/null ; then
+    echo "$1 not found"
+    exit 1
+  fi
+}
+
+ensure_dependency wget
+ensure_dependency md5sum
+
+version="{{ .Values.map.http.version | default "unversioned" }}"
+uri="{{ .Values.map.http.uri }}"
+file="{{ base .Values.map.http.uri }}"
+checkMD5="{{ if .Values.map.http.checkMD5 }}1{{ end }}"
+
+mkdir -p "/data/maps/${version}"
+cd "/data/maps/${version}"
+
+if [ ! -r downloaded.lock ]; then
+  wget "${uri}"
+
+  if [ -n "${checkMD5}" ]; then
+    wget "${uri}.md5"
+    md5sum -c "${file}.md5"
+    rm "${file}.md5"
+  fi
+
+  # Rename the file so we have predictable argument name in statefulset.
+  echo "Rename ${file} -> map.osm.pbf"
+  mv "${file}" "map.osm.pbf"
+
+  touch downloaded.lock
+fi
+
+echo "Done!"
+exit 0