List plugins shipped which aren't in tier1 and tier2

diff_matrix_plugins_vs_metadata_inventory.rb

#!/bin/ruby

require "json"

PLUGIN_DEFINITIONS = [
  #tier1 
  	#inputs
    "logstash-input-azure_event_hubs", "logstash-input-beats", "logstash-input-elasticsearch", "logstash-input-file",
    "logstash-input-generator", "logstash-input-heartbeat", "logstash-input-http", "logstash-input-http_poller",
    "logstash-input-redis", "logstash-input-s3", "logstash-input-stdin", "logstash-input-syslog", "logstash-input-udp",
    "logstash-input-elastic_agent",

    #codecs           
    "logstash-codec-avro", "logstash-codec-cef", "logstash-codec-es_bulk", "logstash-codec-json",
    "logstash-codec-json_lines", "logstash-codec-line", "logstash-codec-multiline", "logstash-codec-plain",
    "logstash-codec-rubydebug",

    #filters
    "logstash-filter-cidr", "logstash-filter-clone", "logstash-filter-csv", "logstash-filter-date", "logstash-filter-dissect",
    "logstash-filter-dns", "logstash-filter-drop", "logstash-filter-elasticsearch", "logstash-filter-fingerprint",
    "logstash-filter-geoip", "logstash-filter-grok", "logstash-filter-http", "logstash-filter-json", "logstash-filter-kv",
    "logstash-filter-memcached", "logstash-filter-mutate", "logstash-filter-prune", "logstash-filter-ruby",
    "logstash-filter-sleep", "logstash-filter-split", "logstash-filter-syslog_pri", "logstash-filter-translate",
    "logstash-filter-truncate", "logstash-filter-urldecode", "logstash-filter-useragent", "logstash-filter-uuid",
    "logstash-filter-xml",

    #outputs
    "logstash-output-elasticsearch", "logstash-output-email", "logstash-output-file", "logstash-output-http",
    "logstash-output-redis", "logstash-output-s3", "logstash-output-stdout", "logstash-output-tcp", "logstash-output-udp",

    #integration
    "logstash-integration-jdbc", "logstash-integration-kafka", "logstash-integration-rabbitmq",
    "logstash-integration-elastic_enterprise_search",
  
  #tier2
  	#inputs
    "logstash-input-couchdb_changes", "logstash-input-gelf", "logstash-input-graphite", "logstash-input-jms",
    "logstash-input-snmp", "logstash-input-sqs", "logstash-input-twitter",
    #codecs
    "logstash-codec-collectd", "logstash-codec-dots", "logstash-codec-fluent", "logstash-codec-graphite",
    "logstash-codec-msgpack", "logstash-codec-netflow",
    #filters
    "logstash-filter-aggregate", "logstash-filter-de_dot", "logstash-filter-throttle",
    #outputs
    "logstash-output-csv", "logstash-output-graphite"
]


plugins_metadata = File.read("rakelib/plugins-metadata.json")
plugins_registry = JSON.parse(plugins_metadata).select { |_, values| values["default-plugins"] == true }.keys

puts "Plugins not present definitions"
puts plugins_registry.select {|plugin| !PLUGIN_DEFINITIONS.include?(plugin)}