Add docker/headscale/prep.sh

docker/headscale/prep.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+strip_yaml_comments() {
+    local file=$1
+    if [[ ! -f "$file" ]]; then
+        echo "File not found: $file"
+        return 1
+    fi
+    grep -v '^#' "$file" | grep -v '^$'
+}
+
+download_and_process_config() {
+    local url="https://raw.githubusercontent.com/juanfont/headscale/main/config-example.yaml"
+    local target_dir="/etc/headscale"
+    local target_file="${target_dir}/config-example.yaml"
+    local processed_file="${target_dir}/config-example-processed.yaml"
+
+    # Create target directory if it does not exist
+    mkdir -p "$target_dir"
+
+    # Download the file using curl
+    curl -o "$target_file" "$url"
+
+    if [ $? -eq 0 ]; then
+        echo "Config downloaded successfully to $target_file"
+        # Process the downloaded file to strip comments
+        strip_yaml_comments "$target_file" > "$processed_file"
+        if [ $? -eq 0 ]; then
+            echo "Processed config file saved to $processed_file"
+        else
+            echo "Failed to process the config file"
+            return 1
+        fi
+    else
+        echo "Failed to download the config file"
+        return 1
+    fi
+}
+
+download_and_process_config