Add config option to monitor all disks inside containers

defaults/main.yml

@@ -6,3 +6,4 @@ netdata_enable_elasticsearch: false
 netdata_enable_postgres: false
 netdata_enable_mysql: false
 netdata_enable_ebpf: true
+netdata_container_diskspace_root_only: true

templates/netdata.conf.j2

@@ -30,6 +30,7 @@
 [plugin:proc]
     netdata server resources = no
 
+{% if netdata_container_diskspace_root_only %}
 [plugin:proc:diskspace]
     space usage for all disks = no
     inodes usage for all disks = no
@@ -37,7 +38,7 @@
 [plugin:proc:diskspace:/]
     space usage = yes
     inodes usage = yes
-
+{% endif %}
 [health]
     enabled = no
 {% endif %}