Use proper signals.

software/slaprunner/buildout.hash.cfg

@@ -19,7 +19,7 @@ md5sum = 713db528880282d568278f09458d2aab
 
 [template-runner]
 filename = instance-runner.cfg
-md5sum = e2b66ef84bb67954ebf932a0443b0059
+md5sum = ab366caca157bfa9d61307939038dab3
 
 [template-runner-import-script]
 filename = template/runner-import.sh.jinja2

software/slaprunner/instance-runner.cfg

@@ -354,7 +354,7 @@ context =
 <= logrotate-entry-base
 name = nginx
 log = $${basedirectory:log}/nginx.access.log $${basedirectory:log}/nginx.error.log
-post = kill -HUP $(cat $${buildout:directory}/var/run/nginx.pid)
+post = kill -SIGUSR1 $(cat $${buildout:directory}/var/run/nginx.pid)
 
 [httpd-parameters]
 path_pid = $${directory:run}/httpd.pid
@@ -796,7 +796,7 @@ wrapper-path = $${directory:services}/supervisord
 <= logrotate-entry-base
 name = supervisord
 log = $${basedirectory:log}/slapproxy.log $${basedirectory:log}/supervisord.log $${basedirectory:log}/supervisord-errors.log
-post = kill -HUP $(cat $${buildout:directory}/var/run/supervisord.pid)
+post = kill -SIGUSR2 $(cat $${buildout:directory}/var/run/supervisord.pid)
 
 [supervisord-promise]
 recipe = slapos.cookbook:check_port_listening