Don't restart run-ssh.sh when it cleanly exits. (RedpointArchive#67)

Author: gomlgs

preflight/run-ssh.sh

@@ -48,6 +48,6 @@ if [ ! -f /is-baking ]; then
     sleep 1
   done
 
-  exit 0
+  exit 1  # Supervisord will restart.
 fi
 

preflight/supervisord.conf

@@ -73,7 +73,8 @@ stderr_logfile_maxbytes=0
 
 [program:ssh]
 command=/app/run-ssh.sh
-autorestart=true
+autorestart=unexpected
+exitcodes=0,2
 startretries=100000
 stdout_logfile=/dev/fd/1
 stdout_logfile_maxbytes=0
@@ -87,4 +88,4 @@ startretries=100000
 stdout_logfile=/dev/fd/1
 stdout_logfile_maxbytes=0
 stderr_logfile=/dev/fd/2
-stderr_logfile_maxbytes=0
+stderr_logfile_maxbytes=0