Added defaults for data_source_name

prometheus/defaults.yaml

@@ -63,5 +63,7 @@ prometheus:
       source_hash: sha256=c34d61bb4deba8efae06fd3c9979b96dae3f3c757698ce3384c80fff586c667b
       args:
         url: https://github.com/wrouesnel/postgres_exporter
+        user: postgres
+        group: postgres
         service_args: []
 

prometheus/exporter/postgres.sls

@@ -27,6 +27,8 @@ postgres_exporter_defaults:
     - name: /etc/default/postgres_exporter
     - source: salt://prometheus/files/default-postgres_exporter.jinja
     - template: jinja
+    - defaults:
+        data_source_name: {{ prometheus.exporter.postgres.args.get('data_source_name', "") }}
 
 postgres_exporter_service_unit:
   file.managed:

prometheus/files/default-postgres_exporter.jinja

@@ -1,6 +1,8 @@
 # Set the command-line arguments to pass to the postgres_exporter service.
 ARGS=""
 
+DATA_SOURCE_NAME="{{ data_source_name }}"
+
 # postgres exporter supports the following options:
 #   -web.listen-address
 #   -web.telemetry-path