netdata: add setuid to the xenstat plugin file

As mentioned in the Netdata documentation [1], The xenstat plugin
requires elevated privileges to be executed. The xenstat.plugin
permissions are modified to only allow users belonging to the netdata
group to execute the plugin with root privileges.

[1] https://learn.netdata.cloud/docs/collecting-metrics/containers-and-vms/xen-xcp-ng

Signed-off-by: Tanguy Raufflet <tanguy.raufflet@savoirfairelinux.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-webserver/recipes-webadmin/netdata/netdata_1.47.3.bb

@@ -87,6 +87,12 @@ do_install:append() {
     chmod 4750 ${D}${libexecdir}/netdata/plugins.d/apps.plugin
     rm -rf ${D}/${localstatedir}/
 
+    if ${@bb.utils.contains('PACKAGECONFIG', 'xenstat', 'true', 'false', d)}; then
+        # Set S UID for xenstat plugin
+        chown root:netdata ${D}${libexecdir}/netdata/plugins.d/xenstat.plugin
+        chmod 4750 ${D}${libexecdir}/netdata/plugins.d/xenstat.plugin
+    fi
+
     if ${@bb.utils.contains('DISTRO_FEATURES','systemd','true','false',d)}; then
         # Install systemd unit files
         install -Dm 0644 ${UNPACKDIR}/netdata-volatiles.conf ${D}${sysconfdir}/tmpfiles.d/netdata.conf