Adding integrated tile server

[simantics/district.git] / org.simantics.maps.server / server / tileserver-mapnik / run.sh

diff --git a/org.simantics.maps.server/server/tileserver-mapnik/run.sh b/org.simantics.maps.server/server/tileserver-mapnik/run.sh
new file mode 100644 (file)
index 0000000..77e5720
--- /dev/null
+++ b/org.simantics.maps.server/server/tileserver-mapnik/run.sh
@@ -0,0 +1,120 @@
+#!/bin/bash
+set -o errexit
+set -o pipefail
+set -o nounset
+
+readonly DOMAINS=${DOMAINS}
+readonly SOURCE_DATA_DIR=${SOURCE_DATA_DIR:-/data}
+readonly DEST_DATA_DIR=${DEST_DATA_DIR:-/project}
+readonly TESSERA_CONFIG="$DEST_DATA_DIR/config.json"
+
+readonly PORT=${PORT:-80}
+readonly CACHE_SIZE=${CACHE_SIZE:-10}
+readonly SOURCE_CACHE_SIZE=${SOURCE_CACHE_SIZE:-10}
+
+function serve_xray() {
+    local mbtiles_file=$1
+    exec bin/tessera.js "xray+mbtiles://$mbtiles_file" \
+        --PORT $PORT \
+        --cache-size $CACHE_SIZE \
+        --source-cache-size $SOURCE_CACHE_SIZE
+}
+
+function find_first_mbtiles() {
+    for mbtiles_file in "$SOURCE_DATA_DIR"/*.mbtiles; do
+        echo "${mbtiles_file}"
+        break
+    done
+}
+
+function find_first_tm2() {
+    for tm2project in "$SOURCE_DATA_DIR"/*.tm2/; do
+        echo "${tm2project}"
+        break
+    done
+}
+
+function tessera_config_entry() {
+    local tm2project=$1
+    local serve_dir=${tm2project%.tm2}
+    local serve_path=${serve_dir##*/}
+
+    echo "\"/${serve_path}\": {\"source\":\"tmstyle://${tm2project}\", \"domains\": \"${DOMAINS}\"}," >> "$TESSERA_CONFIG"
+    echo "Serving ${tm2project##*/} at $serve_path"
+}
+
+function create_tessera_config() {
+    local mbtiles_file=$1
+    rm -f "$TESSERA_CONFIG"
+    echo '{' >> "$TESSERA_CONFIG"
+    for tm2project in "$DEST_DATA_DIR"/*.tm2; do
+        tessera_config_entry "${tm2project}"
+    done
+
+    ## Remove trailing comma unless adding vector tile source (below)
+    #truncate --size=-2 "$TESSERA_CONFIG"
+    # Always serve the vector tile source
+    echo "\"/$(basename ${mbtiles_file%.*})\": {\"source\":\"mbtiles://${mbtiles_file}\", \"domains\": \"${DOMAINS}\"}" >> "$TESSERA_CONFIG"
+
+    echo '}' >> "$TESSERA_CONFIG"
+}
+
+function replace_sources() {
+    mbtiles_file=$1
+    local vectortiles_name=${mbtiles_file%.mbtiles}
+
+    for project_dir in "$SOURCE_DATA_DIR"/*.tm2; do
+        local project_name="${project_dir##*/}"
+        local project_config_file="${project_dir%%/}/project.yml"
+
+        if [ "${vectortiles_name##*/}" = "${project_name%.*}" ]; then
+          echo "Name collision. The mbtiles and tm2 project can not have the same name."
+          exit 403
+        fi
+
+        # project config will be copied to new folder because we
+        # modify the source configuration of the style and don't want
+        # that to effect the original file
+        dest_project_dir="${DEST_DATA_DIR%%/}/$project_name"
+        local dest_project_config_file="${dest_project_dir%%/}/project.yml"
+        cp -rf "$project_dir" "$dest_project_dir"
+
+        # replace external vector tile sources with mbtiles source
+        # this allows developing rapidyl with an external source and then use the
+        # mbtiles for dependency free deployment
+        echo "Associating $vectortiles_name with $project_name"
+        replace_expr="s|source: \".*\"|source: \"mbtiles://$mbtiles_file\"|g"
+        sed -e "$replace_expr" $project_config_file > $dest_project_config_file
+    done
+}
+
+function serve_config() {
+    exec bin/tessera.js -c "$TESSERA_CONFIG" \
+        --PORT "$PORT" \
+        --cache-size "$CACHE_SIZE" \
+        --source-cache-size "$SOURCE_CACHE_SIZE"
+}
+
+function serve() {
+    local mbtiles_file=$(find_first_mbtiles)
+    local tm2project=$(find_first_tm2)
+    echo "------- Find additional information on how to use this container under the following link: http://osm2vectortiles.org/docs/start"
+    if [ -f "$mbtiles_file" ]; then
+        echo "Using $mbtiles_file as vector tile source"
+        if [ -d "$tm2project" ]; then
+            replace_sources "$mbtiles_file"
+            create_tessera_config "$mbtiles_file"
+            serve_config
+        else
+            echo "The mbtiles file is now served with X-Ray styles"
+            serve_xray "$mbtiles_file"
+        fi
+    else
+        # Serve empty config
+        rm -f "$TESSERA_CONFIG"
+        echo '{}' >> "$TESSERA_CONFIG"
+        serve_config
+    fi
+}
+
+serve