Simplify netdata network access

system/extra/netdata/meta/argument_specs.yml

@@ -2,16 +2,13 @@
 argument_specs:
   main:
     options:
-      system_extra_netdata_inet_address:
+      system_extra_netdata_bind_socket_to:
         type: "str"
         required: true
-      system_extra_netdata_inet6_address:
+      system_extra_netdata_stream_parent:
-        type: "str"
-        required: true
-      system_extra_netdata_registry_enabled:
         type: "bool"
         required: true
-      system_extra_netdata_registry_url:
+      system_extra_netdata_stream_dest_inet6:
         type: "str"
         required: true
       system_extra_netdata_stream_api_key:

system/extra/netdata/tasks/main.yml

@@ -11,18 +11,6 @@
     name: "netdata"
     enabled: true
 
-- name: "resolve netdata registry via hosts file (inet)"
-  ansible.builtin.lineinfile:
-    path: "/etc/hosts"
-    line: "{{ system_extra_netdata_registry_inet_address }} {{ system_extra_netdata_registry_url }}"
-    insertafter: "EOF"
-
-- name: "resolve netdata registry via hosts file (inet6)"
-  ansible.builtin.lineinfile:
-    path: "/etc/hosts"
-    line: "{{ system_extra_netdata_registry_inet6_address }} {{ system_extra_netdata_registry_url }}"
-    insertafter: "EOF"
-
 - name: "configure netdata"
   ansible.builtin.template:
     src: "./netdata.conf"

system/extra/netdata/templates/netdata.conf

@@ -16,8 +16,4 @@
 	web files group = root
 	# Netdata is not designed to be exposed to potentially hostile
 	# networks. See https://github.com/netdata/netdata/issues/164
-	bind socket to IP = {{ system_extra_netdata_inet_address }} {{ system_extra_netdata_inet6_address }}
+	bind socket to IP = {{ system_extra_netdata_bind_socket_to }}
-
-[registry]
-        enabled = {{ 'yes' if system_extra_netdata_registry_enabled else 'no' }}
-        registry to announce = {{ system_extra_netdata_registry_url }}:19999

system/extra/netdata/templates/stream.conf

@@ -5,7 +5,7 @@
 # number of hosts.
 #
 # You can generate API keys, with the linux command: uuidgen
-{% if not system_extra_netdata_registry_enabled %}
+{% if not system_extra_netdata_stream_parent %}
 
 # -----------------------------------------------------------------------------
 # 1. ON CHILD NETDATA - THE ONE THAT WILL BE SENDING METRICS
@@ -30,7 +30,7 @@
     #             the Netdata will encrypt the connection with the parent.
     #
     # This communication is not HTTP (it cannot be proxied by web proxies).
-    destination = tcp:{{ system_extra_netdata_registry_url }}:19999
+    destination = tcp:[{{ system_extra_netdata_stream_dest_inet6 }}]:19999
 
     # Skip Certificate verification?
     # The netdata child is configurated to avoid invalid SSL/TLS certificate,
@@ -89,7 +89,7 @@
     # It is ignored when replication is enabled
     initial clock resync iterations = 60
 {% endif %}
-{% if system_extra_netdata_registry_enabled %}
+{% if system_extra_netdata_stream_parent %}
 
 # -----------------------------------------------------------------------------
 # 2. ON PARENT NETDATA - THE ONE THAT WILL BE RECEIVING METRICS