OP#662 add flags for queue_config

manifests/params.pp

@@ -14,6 +14,9 @@
 #    timestamps in prometheus metrics
 # @param [Boolean] ay_prom_track_timestamps_staleness whether to track timestamps 
 #   staleness in prometheus metrics
+# @param [String] ay_prom_max_shards the maximum number of shards to use for prometheus metrics
+# @param [String] ay_prom_max_samples_per_send the maximum number of samples to send
+# @param [String] ay_prom_batch_send_deadline the maximum time to wait before sending
 # @summary Class contains all parameters for the confdroid_alloy module.
 ##############################################################################
 class confdroid_alloy::params (
@@ -33,6 +36,9 @@ class confdroid_alloy::params (
   String $ay_prom_url                         = 'https://prometheus.example.net/api/v1/write',
   Boolean $ay_prom_honor_timestamps           = true,
   Boolean $ay_prom_track_timestamps_staleness = true,
+  String $ay_prom_max_shards                  = '10',
+  String $ay_prom_max_samples_per_send        = '2000',
+  String $ay_prom_batch_send_deadline         = '5s',
 
 ) {
   # service

templates/config.alloy.erb

@@ -94,6 +94,11 @@ prometheus.remote_write "prometheus" {
       username = "<%= @ay_loki_username %>"
       password = "<%= @ay_loki_userpass %>"
     }
+    queue_config {
+      max_shards           = <%= @ay_prom_max_shards %>
+      max_samples_per_send = <%= @ay_prom_max_samples_per_send %>
+      batch_send_deadline  = <%= @ay_prom_batch_send_deadline %>
+    }
   }
 }
 <% end %>