fix monitor boostratp status promise

stack/monitor/buildout.cfg

@@ -96,7 +96,7 @@ recipe = slapos.recipe.template:jinja2
 filename = template-monitor.cfg
 template = ${:_profile_base_location_}/instance-monitor.cfg.jinja2.in
 rendered = ${buildout:directory}/template-monitor.cfg
-md5sum = 870ff63cde9cc0f50fd7ad4b727bdf8c
+md5sum = 5b6b7a96bfa1e0ca83310caa48ed7b20
 context =
     key apache_location apache:location
     key gzip_location gzip:location

stack/monitor/instance-monitor.cfg.jinja2.in

@@ -374,10 +374,12 @@ recipe = collective.recipe.template
 file = ${monitor-conf-parameters:promise-output-file}
 input = inline:#!{{ dash_executable_location }}
   pidfile=${monitor-conf-parameters:pid-file}
-  COMMAND=monitor.bootstrap
   if [ -s $pidfile ]; then
-    for i in {1..20}; do
-      if pid=`pgrep -F $pidfile -f "$COMMAND" 2>/dev/null`; then
+    COUNTER=0
+    # Wait until max 20 seconds, the limit promise timeout
+    while [ $COUNTER -lt 20 ]; do
+      if [ -n "$(ps -p $(cat $pidfile) -o pid=)" ]; then
+        ((COUNTER=COUNTER+1))
         sleep 0.5
       else
         break