check health with tor is blocked

config.env.example

@@ -41,3 +41,9 @@ DEBUGGING_SAVE_RESPONSES=False
 
 MAX_CIRCUIT=500 # seconds
 CIRCUIT_TIMEOUT=500 # seconds
+
+#
+# Health TOR check
+#
+
+URL_CHECK=https://www.youtube.com/results?search_query=rms

core/Dockerfile

@@ -4,7 +4,7 @@ LABEL MAINTAINER="heckyel@riseup.net"
 ENV LANG C.UTF-8
 ENV LC_ALL C.UTF-8
 
-RUN apk add --no-cache musl-dev build-base gcc libffi-dev python3-dev patch git py3-pip tor
+RUN apk add --no-cache musl-dev build-base gcc libffi-dev python3-dev patch git py3-pip tor curl
 
 ARG APP_DIR="/srv/app"
 ARG YT_REPO="https://git.sr.ht/~heckyel/yt-local"

core/entrypoint.sh

@@ -87,6 +87,19 @@ ExcludeExitNodes {US}
 StrictNodes 1
 EOF
   tor -f /etc/tor/torrc --runasdaemon 1
-fi
 
-exec /usr/bin/python3 /srv/app/server.py
+  # check health tor
+  while :; do
+      checkurl=$(curl --socks5 localhost:9050 -o /dev/null -s -w "%{http_code}\n" "${URL_CHECK:-https://www.youtube.com/results?search_query=rms}")
+      if [ "$checkurl" = '502' ] || [ "$checkurl" = '302' ]; then
+          pkill tor && tor -f /etc/tor/torrc --runasdaemon 0 2>&1
+          pkill python3 && /usr/bin/python3 /srv/app/server.py
+      else
+          pgrep python3 > /dev/null || exec /usr/bin/python3 /srv/app/server.py
+      fi
+      sleep 5
+  done
+
+else
+    exec /usr/bin/python3 /srv/app/server.py
+fi