Because of this:...

Because of this: https://lab.nexedi.com/nexedi/slapos.core/blob/master/slapos/grid/promise/generic.py#L44

When slapgrid run promises, it now save promise logs. Thus we need to logrotate them.
Thanks @Alain.

software/slaprunner/buildout.hash.cfg

@@ -19,7 +19,7 @@ md5sum = 713db528880282d568278f09458d2aab
 
 [template-runner]
 filename = instance-runner.cfg
-md5sum = be4528bbbd26a668032a7f7759a9a38f
+md5sum = 04e31ac503753f89510dd412b4680c56
 
 [template-runner-import-script]
 filename = template/runner-import.sh.jinja2

software/slaprunner/instance-runner.cfg

@@ -802,7 +802,7 @@ post = kill -SIGUSR2 $(cat $${buildout:directory}/var/run/supervisord.pid)
 [logrotate-entry-slapgrid]
 <= logrotate-entry-base
 name = slapgrid
-log = $${runnerdirectory:home}/instance/*/.slapgrid/log/instance.log
+log = $${runnerdirectory:home}/instance/*/.slapgrid/log/instance.log $${runnerdirectory:home}/instance/*/.slapgrid/promise/log/*.log
 
 [supervisord-promise]
 recipe = slapos.cookbook:check_port_listening