feat(simulation): update sidecar.sh for ports

sgx_network_simulation/sidecar.sh

@@ -1,16 +1,33 @@
 #!/bin/bash
 set -ex
 
-FILE_PATH="/pod-data/listen_port"
-while [ ! -s "$FILE_PATH" ]; do
-  echo "wait for $FILE_PATH ..."
+LISTEN_PORT_PATH="/pod-data/listen_port"
+while [ ! -s "$LISTEN_PORT_PATH" ]; do
+  echo "wait for $LISTEN_PORT_PATH ..."
   sleep 1
 done
-WORKER_LISTEN_PORT=$(cat "$FILE_PATH")
+WORKER_LISTEN_PORT=$(cat "$LISTEN_PORT_PATH")
+
+PROXY_LOCAL_PORT_PATH="/pod-data/proxy_local_port"
+while [ ! -s "$PROXY_LOCAL_PORT_PATH" ]; do
+  echo "wait for $PROXY_LOCAL_PORT_PATH ..."
+  sleep 1
+done
+PROXY_LOCAL_PORT=$(cat "$PROXY_LOCAL_PORT_PATH")
+
+GRPC_SERVER_PORT=32001
+if [ -n "$PORT0" ]; then
+  GRPC_SERVER_PORT=$PORT0
+fi
+
+TARGET_GRPC_PORT=32102
+if [ -n "$PORT1" ]; then
+  TARGET_GRPC_PORT=$PORT1
+fi
 
 echo "# Forwards all traffic to nginx controller
 server {
-    listen 32102 http2;
+    listen ${TARGET_GRPC_PORT} http2;
 
     # No limits
     client_max_body_size 0;
@@ -32,27 +49,18 @@ server {
 }
 " > nginx/sidecar.conf
 
-if [ -z "$PORT0" ]; then
-  PORT0=32001
-fi
-
-if [ -z "$PORT2" ]; then
-  PORT2=32102
-fi
-
-sed -i "s/listen [0-9]* http2;/listen $PORT2 http2;/" nginx/sidecar.conf
-
+rm -rf /etc/nginx/conf.d/*
 cp nginx/sidecar.conf /etc/nginx/conf.d/
 service nginx restart
 
 # Server sidecar: grpc to tcp, 5001 is the server port of main container
 echo "Starting server sidecar"
-./grpc2tcp --grpc_server_port=$PORT0 \
+./grpc2tcp --grpc_server_port=$GRPC_SERVER_PORT \
            --target_tcp_address="localhost:$WORKER_LISTEN_PORT" &
 
 echo "Starting client sidecar"
 ./tcp2grpc --tcp_server_port="$PROXY_LOCAL_PORT" \
-           --target_grpc_address="localhost:$PORT2" &
+           --target_grpc_address="localhost:$TARGET_GRPC_PORT" &
 
 echo "===========Sidecar started!!============="