fix ansible-lint errors

roles/promtail/README.md

@@ -11,8 +11,8 @@ Role Variables
 
 (all optional)
 `promtail_version`: version to install
-`loki_server`: set loki server
+`promtail_loki_server`: set loki server
-`loki_port`: set loki port
+`promtail_loki_port`: set loki port
 `custom_server_config`: path to custom config witch replace all config with your own
 `custom_scrape_configs`: path to custom scrape configs
 

roles/promtail/defaults/main.yml

@@ -2,6 +2,6 @@
 promtail_version: 2.7.3
 promtail_positions_path: /home/promtail/positions.yaml
 promtail_http_port: 9080
-loki_server: localhost
+promtail_loki_server: localhost
-loki_port: 3100
+promtail_loki_port: 3100
-add_var_logs: true
+promtail_add_var_logs: true

roles/promtail/molecule/default/verify.yml

@@ -12,8 +12,8 @@
     - name: "Sanity check the Promtail daemon"
       retries: 3
       delay: 1
-      register: this
+      register: promtail_this
-      failed_when: "this.content != 'Ready'"
+      failed_when: "promtail_this.content != 'Ready'"
       ansible.builtin.uri:
         url: "http://localhost:{{ promtail_http_port }}/ready"
         return_content: true

roles/promtail/templates/promtail.yml.j2

@@ -9,10 +9,10 @@ positions:
   filename: {{ promtail_positions_path }}
 
 clients:
-  - url: "http://{{  loki_server  }}:{{ loki_port }}/loki/api/v1/push"
+  - url: "http://{{  promtail_loki_server  }}:{{ promtail_loki_port }}/loki/api/v1/push"
 
 scrape_configs:
-{% if add_var_logs %}
+{% if promtail_add_var_logs %}
   - job_name: system
     static_configs:
       - targets: