Updated the prom flag to --agent from --enable-feature=agent based on new prom version

Author: Aman Shah

modules/enableit/common/manifests/monitor/exporter/node.pp

@@ -161,7 +161,7 @@
     user              => 'node_exporter',
     group             => 'node_exporter',
     export_scrape_job => $enable,
-    extra_options     => "--collector.textfile.directory=${textfile_directory} --web.listen-addres=${listen_address}",
+    extra_options     => "--collector.textfile.directory=${textfile_directory} --web.listen-address=${listen_address}",
     scrape_host       => $::trusted['certname'],
     collectors_enable => $default_collectors,
     tag               => $::trusted['certname'],

modules/enableit/common/manifests/monitor/prometheus/server.pp

@@ -39,7 +39,7 @@
 
   $scrape_port = Integer($listen_address.split(':')[1])
   $scrape_host = $trusted['certname']
-  $_extra_options = "--web.listen-address=${listen_address} --enable-feature=agent --storage.agent.path=/opt/obmondo/prometheus"
+  $_extra_options = "--web.listen-address=${listen_address} --agent --storage.agent.path=/opt/obmondo/prometheus"
   $_prometheus_url = $::obmondo['customer_id'] ? { # lint:ignore:top_scope_facts
     undef   => "https://${common::monitor::prometheus::server}/api/v1/write",
     default => "https://${common::monitor::prometheus::server}/${::obmondo['customer_id']}/api/v1/write" # lint:ignore:top_scope_facts