Configurable 'disable by default interfaces matching' option in netdata.conf

Author: aft2d

defaults/main.yml

@@ -238,3 +238,9 @@ netdata_errors_flood_protection_period: 1200
 
 # Defines when to trigger flood proctection
 netdata_errors_to_trigger_flood_protection: 200
+
+# Defines network interfaces to be ignored
+netdata_disable_by_default_interfaces_matching:
+  - "lo"
+  - "fireqos*"
+  - "*-ifb"

templates/netdata.conf.j2

@@ -376,7 +376,7 @@
 	# fifo for all interfaces = auto
 	# compressed packets for all interfaces = auto
 	# frames, collisions, carrier counters for all interfaces = auto
-	# disable by default interfaces matching = lo fireqos* *-ifb
+	disable by default interfaces matching = {{ netdata_disable_by_default_interfaces_matching|join(' ') }}
 	# filename to monitor = /proc/net/dev
 
 [plugin:proc:/proc/net/dev:enp0s8]