Add a screen session for tls logs

When tls is enabled, we aren't bringing the logs to the forefront,
which makes it hard to debug when things go wrong. This does that.

Change-Id: I7c6c7e324e16da6b9bfa44f4bad17401ca4ed7e3

lib/tls

@@ -495,6 +495,13 @@ EOF
     reload_apache_server
 }
 
+# Follow TLS proxy
+function follow_tls_proxy {
+    sudo touch /var/log/$APACHE_NAME/tls-proxy_error.log
+    tail_log tls-error /var/log/$APACHE_NAME/tls-proxy_error.log
+    sudo touch /var/log/$APACHE_NAME/tls-proxy_access.log
+    tail_log tls-proxy /var/log/$APACHE_NAME/tls-proxy_access.log
+}
 
 # Cleanup Functions
 # =================

stack.sh

@@ -993,6 +993,10 @@ if [[ "$USE_SCREEN" == "True" ]]; then
     fi
     screen -r $SCREEN_NAME -X hardstatus alwayslastline "$SCREEN_HARDSTATUS"
     screen -r $SCREEN_NAME -X setenv PROMPT_COMMAND /bin/true
+
+    if is_service_enabled tls-proxy; then
+        follow_tls_proxy
+    fi
 fi
 
 # Clear ``screenrc`` file