collectd: add VRF support

Run collectd in a VRF, using the procd 'vrf' parameter:

  config globals 'globals'
	option vrf '<dev>'

Assisted-by: Claude:claude-fable-5-1
Signed-off-by: Nick Hainke <vincent@systemli.org>

utils/collectd/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=collectd
 PKG_VERSION:=5.12.0
-PKG_RELEASE:=57
+PKG_RELEASE:=58
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_URL:=https://collectd.org/files/ \

utils/collectd/files/collectd.init

@@ -589,13 +589,17 @@ service_triggers()
 }
 
 start_service() {
+	local vrf
+
 	process_config
+	config_get vrf globals vrf
 
 	procd_open_instance
 	procd_set_param command /usr/sbin/collectd
 	procd_append_param command -C "$COLLECTD_CONF"
 	procd_append_param command -f # don't daemonize
 	procd_set_param nice "$NICEPRIO"
+	[ -n "$vrf" ] && procd_set_param vrf "$vrf"
 	procd_set_param stderr 1
 	procd_set_param respawn
 	procd_close_instance