CA-425472: Signal correct daemon during log rotation (#7007)

/var/run/syslogd.pid file does not exist in XS9.

Author: lindig

ocaml/xcp-rrdd/bin/rrdp-scripts/logrotate-rrdd-plugins

@@ -1,5 +1,5 @@
 /var/log/xcp-rrdd-plugins.log {
     postrotate
-        /bin/kill -HUP `cat /var/run/syslogd.pid 2> /dev/null` 2> /dev/null || true
+        /usr/bin/systemctl kill -s HUP rsyslog.service >/dev/null 2>&1 || true
     endscript
 }

scripts/audit-logrotate

@@ -2,7 +2,6 @@
     missingok
     sharedscripts
     postrotate
-      /bin/kill -HUP `cat /var/run/syslogd.pid 2> /dev/null` 2> /dev/null || true
-      /bin/kill -HUP `cat /var/run/rsyslogd.pid 2> /dev/null` 2> /dev/null || true
+        /usr/bin/systemctl kill -s HUP rsyslog.service >/dev/null 2>&1 || true
     endscript
 }

scripts/xapi-logrotate.conf

@@ -14,6 +14,6 @@
     rotate 100
 
     postrotate
-               /bin/kill -HUP `cat /var/run/syslogd.pid 2> /dev/null` 2> /dev/null || true
+        /usr/bin/systemctl kill -s HUP rsyslog.service >/dev/null 2>&1 || true
     endscript
 }