Refactor kubetap-entrypoint.sh to improve config file handling and enhance logging for better debugging

Author: Lappihuan

proxies/mitmproxy/kubetap-entrypoint.sh

@@ -6,13 +6,16 @@ set -o nounset
 
 # HACK: this fixes permission issues
 # Ensure the .mitmproxy directory exists and is writable
-# Note: We skip this if we don't have permissions, as the directory should 
-# already exist from the Dockerfile
 if [ -d /home/mitmproxy/.mitmproxy ] && [ -w /home/mitmproxy/.mitmproxy ]; then
   # Only copy the config file if it exists and we have read access
   if [ -f /home/mitmproxy/config/config.yaml ] && [ -r /home/mitmproxy/config/config.yaml ]; then
     cp /home/mitmproxy/config/config.yaml /home/mitmproxy/.mitmproxy/config.yaml
+    echo "Config file copied to /home/mitmproxy/.mitmproxy/config.yaml" >&2
+  else
+    echo "Warning: Config file not found or not readable at /home/mitmproxy/config/config.yaml" >&2
   fi
+else
+  echo "Warning: .mitmproxy directory not found or not writable" >&2
 fi
 
 prog="${1}"
@@ -23,17 +26,19 @@ if [[ "${1}" == 'mitmdump' || "${1}" == 'mitmproxy' || "${1}" == 'mitmweb' ]]; t
   if [[ "${1}" == 'mitmproxy' ]]; then
     # Start a tmux session with mitmproxy to allow interactive access without requiring a TTY
     # Users can 'kubectl exec -it <pod> -- tmux attach-session -t mitmproxy' to interact
-    # Use -c to specify a new window command, avoiding terminal requirement at session creation
+    echo "Starting mitmproxy in tmux session with confdir=${MITMPROXY_PATH}" >&2
     tmux new-session -d -s mitmproxy -c /home/mitmproxy \
       mitmproxy --set "confdir=${MITMPROXY_PATH}" "${@:2}"
 
-    # Keep the container running - tail a log or sleep indefinitely
+    # Keep the container running - sleep indefinitely
     # This allows users to attach via: kubectl exec -it <pod> -- tmux attach-session -t mitmproxy
     sleep infinity
   else
     # For mitmdump or mitmweb (or other commands), use direct execution
+    echo "Starting ${prog} with confdir=${MITMPROXY_PATH}" >&2
     exec "${@}" --set "confdir=${MITMPROXY_PATH}"
   fi
 else
+  echo "Running command: ${@}" >&2
   exec "${@}"
 fi