stack/monitor: Add a random delay of maximum 60 seconds to all monitor cron...

stack/monitor: Add a random delay of maximum 60 seconds to all monitor cron jobs to avoid high load at the first second of every minute.

stack/monitor/buildout.hash.cfg

@@ -15,4 +15,4 @@
 # not need these here).
 [monitor2-template]
 filename = instance-monitor.cfg.jinja2.in
-md5sum = dd2e6146d9d33a21bf9df6d397db855f
+md5sum = 08db5dd369a0dcf689b50b556fda578d

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

@@ -88,6 +88,7 @@ promise-folder = ${directory:promises}
 monitor-promise-folder = ${monitor-directory:promises}
 promises-timeout-file = ${monitor-promise-timeout-file:file}
 pid-file = ${monitor-directory:pids}/monitor-bootstrap.pid
+randomsleep = {{ bin_directory }}/randomsleep
 
 public-path-list = 
 private-path-list = 
@@ -270,14 +271,14 @@ recipe = slapos.cookbook:cron.d
 cron-entries = ${cron:cron-entries}
 name = monitor-globalstate
 frequency = * * * * *
-command = ${monitor-globalstate-wrapper:wrapper-path}
+command = {{ bin_directory }}/randomsleep 60 && ${monitor-globalstate-wrapper:wrapper-path}
 
 [monitor-configurator-cron-entry]
 recipe = slapos.cookbook:cron.d
 cron-entries = ${cron:cron-entries}
 name = monitor-configurator
 frequency = * * * * *
-command = ${monitor-configurator-wrapper:wrapper-path}
+command = {{ bin_directory }}/randomsleep 60 && ${monitor-configurator-wrapper:wrapper-path}
 
 [monitor-httpd-promise]
 recipe = slapos.cookbook:check_url_available