monitor: Add promise to check if monitor httpd was restarted since the last upgrade

stack/monitor/buildout.cfg

@@ -102,7 +102,7 @@ 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 = bf0adf565d7cde55abc94bd223ec3162
+md5sum = 212bcd86244e8a4e51fff92cfbd7d5f7 
 context =
     key apache_location apache:location
     key gzip_location gzip:location
@@ -125,6 +125,7 @@ context =
     raw python_with_eggs ${buildout:directory}/bin/${extra-eggs:interpreter}
     raw template_wrapper ${monitor-template-wrapper:location}/${monitor-template-wrapper:filename}
     raw template_check_disk_space ${monitor-check-free-disk-space:location}/${monitor-check-free-disk-space:filename}
+    raw bin_directory ${buildout:directory}/bin
 depends = 
   ${monitor-eggs:eggs}
 

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

@@ -239,6 +239,12 @@ input = inline:#!/bin/sh
 output = ${directory:bin}/xnice
 mode = 700
 
+[promise-monitor-httpd-is-process-older-than-dependency-set]
+recipe = slapos.cookbook:wrapper
+command-line = {{ bin_directory }}/is-process-older-than-dependency-set ${monitor-httpd-conf-parameter:pid-file} 
+wrapper-path = ${directory:promises}/promise-monitor-httpd-is-process-older-than-dependency-set
+parameters-extra = true
+
 [monitor-globalstate-wrapper]
 recipe = slapos.cookbook:wrapper
 command-line = ${xnice-bin:output} {{ monitor_genstatus }} '${monitor-conf:rendered}' '${monitor-instance-info:rendered}'
@@ -385,6 +391,7 @@ depends =
   ${monitor-httpd-promise:filename}
   ${monitor-bootstrap-promise:file}
   ${promise-check-slapgrid:output}
+  ${promise-monitor-httpd-is-process-older-than-dependency-set:wrapper-path}
 
 [monitor-publish]
 monitor-base-url = ${publish:monitor-base-url}