Push renovate logs to separate index

Author: rwunderer

fluent.conf

@@ -21,6 +21,39 @@
     api_key "#{ENV['WODBY_API_KEY']}"
   </filter>
 
+  <match kube.var.log.containers.renovate-bot**>
+    @type opensearch
+    @id   out_os
+    include_tag_key true
+    host "#{ENV['FLUENT_OPENSEARCH_HOST']}"
+    port "#{ENV['FLUENT_OPENSEARCH_PORT']}"
+    path "#{ENV['FLUENT_OPENSEARCH_PATH']}"
+    scheme "#{ENV['FLUENT_OPENSEARCH_SCHEME'] || 'http'}"
+    ssl_verify "false"
+    reload_connections "#{ENV['FLUENT_OPENSEARCH_RELOAD_CONNECTIONS'] || 'false'}"
+    reconnect_on_error "#{ENV['FLUENT_OPENSEARCH_RECONNECT_ON_ERROR'] || 'true'}"
+    reload_on_failure "#{ENV['FLUENT_OPENSEARCH_RELOAD_ON_FAILURE'] || 'true'}"
+
+    logstash_prefix "logstash-renovate"
+    logstash_format "true"
+    type_name "fluentd"
+    
+    user "#{ENV['FLUENT_OPENSEARCH_USER'] || use_nil}"
+    password "%{#{ENV['FLUENT_OPENSEARCH_PASSWORD'] || use_nil}}"
+
+    <buffer>
+      @type file
+      path /fluentd/log/elastic-buffer-0
+      flush_thread_count "#{ENV['FLUENT_OPENSEARCH_BUFFER_FLUSH_THREAD_COUNT'] || '8'}"
+      flush_interval "#{ENV['FLUENT_OPENSEARCH_BUFFER_FLUSH_INTERVAL'] || '1s'}"
+      chunk_limit_size "#{ENV['FLUENT_OPENSEARCH_BUFFER_CHUNK_LIMIT_SIZE'] || '32M'}"
+      queue_limit_length "#{ENV['FLUENT_OPENSEARCH_BUFFER_QUEUE_LIMIT_LENGTH'] || '4'}"
+      retry_max_interval "#{ENV['FLUENT_OPENSEARCH_BUFFER_RETRY_MAX_INTERVAL'] || '30'}"
+      flush_mode interval
+      retry_forever true
+    </buffer>
+  </match>
+
   <match **>
     @type opensearch
     @id   out_os