Add prometheus.enable_features

Author: chitoku-k

jobs/prometheus2/spec

@@ -58,6 +58,9 @@ properties:
     description: "Remote write storage configuration"
   prometheus.remote_read:
     description: "Remote read storage configuration"
+  prometheus.enable_features:
+    description: "List of features to enable"
+    default: []
 
   prometheus.alertmanager.notification_queue_capacity:
     description: "The capacity of the queue for pending alert manager notifications"

jobs/prometheus2/templates/bin/prometheus_ctl

@@ -139,6 +139,9 @@ case $1 in
       <% if_p('prometheus.web.user_assets') do |user_assets| %> \
       --web.user-assets="<%= user_assets %>" \
       <% end %> \
+      <% p('prometheus.enable_features', []).each do |enable_feature| %> \
+      --enable-feature="<%= enable_feature %>" \
+      <% end %> \
       >>  ${LOG_DIR}/prometheus.stdout.log \
       2>> ${LOG_DIR}/prometheus.stderr.log
     ;;