Remove unused variables for exposing the service

Signed-off-by: Suguru Hirahara <did🔑z6MkvVZk1A3KBApWJXv2Ju4H14ErDfRGxh8zxdXSZ4vACDg5>

roles/custom/matrix-prometheus-nginxlog-exporter/defaults/main.yml

@@ -31,11 +31,6 @@ prometheus_nginxlog_exporter_container_image_tag: "{{ 'latest' if prometheus_ngi
 prometheus_nginxlog_exporter_container_image_force_pull: "{{ prometheus_nginxlog_exporter_container_image.endswith(':latest') }}"
 prometheus_nginxlog_exporter_container_image_arch_check_enabled: true
 
-# Controls whether prometheus-nginxlog-exporter metrics should be proxied (exposed) on a public URL
-prometheus_nginxlog_exporter_metrics_proxying_enabled: false
-prometheus_nginxlog_exporter_metrics_proxying_hostname: ''
-prometheus_nginxlog_exporter_metrics_proxying_path_prefix: ''
-
 # prometheus_nginxlog_exporter_dashboard_urls contains a list of URLs with Grafana dashboard definitions.
 # If the Grafana role is enabled, these dashboards will be downloaded.
 prometheus_nginxlog_exporter_dashboard_urls: []

roles/custom/matrix-prometheus-nginxlog-exporter/tasks/validate_config.yml

@@ -39,6 +39,4 @@
       You need to define a required configuration setting (`{{ item.name }}`).
   when: "item.when | bool and lookup('vars', item.name, default='') | string | length == 0"
   with_items:
-    - {'name': 'prometheus_nginxlog_exporter_metrics_proxying_hostname', when: "{{ prometheus_nginxlog_exporter_metrics_proxying_enabled }}"}
-    - {'name': 'prometheus_nginxlog_exporter_metrics_proxying_path_prefix', when: "{{ prometheus_nginxlog_exporter_metrics_proxying_enabled }}"}
     - {'name': 'prometheus_nginxlog_exporter_container_network', when: true}

roles/custom/matrix_playbook_migration/tasks/validate_config.yml

@@ -100,6 +100,9 @@
     - {'old': 'prometheus_nginxlog_exporter_docker_image_registry_prefix_upstream', 'new': 'prometheus_nginxlog_exporter_container_image_registry_prefix_upstream'}
     - {'old': 'prometheus_nginxlog_exporter_docker_image_registry_prefix_upstream_default', 'new': 'prometheus_nginxlog_exporter_container_image_registry_prefix_upstream_default'}
     - {'old': 'prometheus_nginxlog_exporter_docker_image_arch_check_enabled', 'new': 'prometheus_nginxlog_exporter_container_image_arch_check_enabled'}
+    - {'old': 'prometheus_nginxlog_exporter_metrics_proxying_enabled', 'new': 'prometheus_nginxlog_exporter_container_labels_traefik_enabled'}
+    - {'old': 'prometheus_nginxlog_exporter_metrics_proxying_hostname', 'new': 'prometheus_nginxlog_exporter_container_labels_traefik_hostname'}
+    - {'old': 'prometheus_nginxlog_exporter_metrics_proxying_path_prefix', 'new': 'prometheus_nginxlog_exporter_container_labels_traefik_path_prefix'}
 
 - name: (Deprecation) Catch and report matrix_postgres variables
   ansible.builtin.fail: