#!/bin/bash

# DO NOT EDIT - This file is being maintained by Chef

# Send output to the log
exec > /var/log/tile/update-lowzoom-<%= @style %>.log 2>&1

# Define function to update tiles from z0 to z12 for style "<%= @style %>"
function update_tiles
{
  render_old \
    --timestamp=$(stat -c %Y "/srv/tile.openstreetmap.org/styles/<%= @style %>/project.xml") \
    --tile-dir=/srv/tile.openstreetmap.org/tiles \
    --socket=/var/run/renderd/renderd.sock \
    --num-threads=<%= [4, node.dig('cpu', 'total').to_i - 1, node.dig('cpu', 'cores').to_i - 1].max %> \
    --map="<%= @style %>" \
    --max-load=<%= node[:cpu][:total] %> \
    --min-zoom=0 --max-zoom=12
}

# Loop running the update command until it suceeds
until update_tiles
do
  sleep 30
done

# Update timestamp for style "<%= @style %>"
touch \
  --reference="/srv/tile.openstreetmap.org/styles/<%= @style %>/project.xml" \
  "/srv/tile.openstreetmap.org/tiles/<%= @style %>/planet-import-complete"

exit 0