Class: Fluent::DockerMetadataFilter
- Inherits:
-
Filter
- Object
- Filter
- Fluent::DockerMetadataFilter
- Defined in:
- lib/fluent/plugin/filter_docker_metadata.rb
Class Method Summary collapse
Instance Method Summary collapse
- #configure(conf) ⇒ Object
- #filter_stream(tag, es) ⇒ Object
-
#initialize ⇒ DockerMetadataFilter
constructor
A new instance of DockerMetadataFilter.
Constructor Details
#initialize ⇒ DockerMetadataFilter
Returns a new instance of DockerMetadataFilter.
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# File 'lib/fluent/plugin/filter_docker_metadata.rb', line 35 def initialize super end |
Class Method Details
.get_metadata(container_id) ⇒ Object
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# File 'lib/fluent/plugin/filter_docker_metadata.rb', line 27 def self.(container_id) begin Docker::Container.get(container_id).info rescue Docker::Error::NotFoundError nil end end |
Instance Method Details
#configure(conf) ⇒ Object
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# File 'lib/fluent/plugin/filter_docker_metadata.rb', line 39 def configure(conf) super require 'docker' require 'json' require 'lru_redux' Docker.url = @docker_url @cache = LruRedux::ThreadSafeCache.new(@cache_size) @container_id_regexp_compiled = Regexp.compile(@container_id_regexp) end |
#filter_stream(tag, es) ⇒ Object
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# File 'lib/fluent/plugin/filter_docker_metadata.rb', line 52 def filter_stream(tag, es) new_es = es container_id = tag.match(@container_id_regexp_compiled) if container_id && container_id[0] container_id = container_id[0] = @cache.getset(container_id){DockerMetadataFilter.(container_id)} if new_es = MultiEventStream.new es.each {|time, record| record['docker'] = { 'id' => ['id'], 'name' => ['Name'][1..-1], 'container_hostname' => ['Config']['Hostname'], 'image' => ['Config']['Image'], 'image_id' => ['Image'], 'labels' => ['Config']['Labels'] } new_es.add(time, record) } end end return new_es end |