Module: KubernetesMetadata::Common
- Included in:
- Fluent::Plugin::KubernetesMetadataFilter, WatchNamespaces, WatchPods
- Defined in:
- lib/fluent/plugin/kubernetes_metadata_common.rb
Defined Under Namespace
Classes: GoneError
Instance Method Summary collapse
- #match_annotations(annotations) ⇒ Object
- #parse_namespace_metadata(namespace_object) ⇒ Object
- #parse_pod_metadata(pod_object) ⇒ Object
- #syms_to_strs(hsh) ⇒ Object
Instance Method Details
#match_annotations(annotations) ⇒ Object
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# File 'lib/fluent/plugin/kubernetes_metadata_common.rb', line 29 def match_annotations(annotations) result = {} @annotations_regexps.each do |regexp| annotations.each do |key, value| if ::Fluent::StringUtil.match_regexp(regexp, key.to_s) result[key] = value end end end result end |
#parse_namespace_metadata(namespace_object) ⇒ Object
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# File 'lib/fluent/plugin/kubernetes_metadata_common.rb', line 41 def (namespace_object) labels = '' labels = syms_to_strs(namespace_object[:metadata][:labels].to_h) unless (@skip_labels || @skip_namespace_labels) annotations = match_annotations(syms_to_strs(namespace_object[:metadata][:annotations].to_h)) = { 'namespace_id' => namespace_object[:metadata][:uid], 'creation_timestamp' => namespace_object[:metadata][:creationTimestamp] } ['namespace_labels'] = labels unless labels.empty? ['namespace_annotations'] = annotations unless annotations.empty? end |
#parse_pod_metadata(pod_object) ⇒ Object
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# File 'lib/fluent/plugin/kubernetes_metadata_common.rb', line 56 def (pod_object) labels = '' labels = syms_to_strs(pod_object[:metadata][:labels].to_h) unless (@skip_labels || @skip_pod_labels) annotations = match_annotations(syms_to_strs(pod_object[:metadata][:annotations].to_h)) # collect container information = {} begin pod_object[:status][:containerStatuses].each do |container_status| container_id = (container_status[:containerID]||"").sub(%r{^[-_a-zA-Z0-9]+://}, '') key = container_status[:name] [key] = if @skip_container_metadata { 'name' => container_status[:name] } else { 'name' => container_status[:name], 'image' => container_status[:image], 'image_id' => container_status[:imageID], :containerID => container_id } end end if pod_object[:status] && pod_object[:status][:containerStatuses] rescue StandardError=>e log.warn("parsing container meta information failed for: #{pod_object[:metadata][:namespace]}/#{pod_object[:metadata][:name]}: #{e}") end = { 'namespace_name' => pod_object[:metadata][:namespace], 'pod_id' => pod_object[:metadata][:uid], 'pod_name' => pod_object[:metadata][:name], 'pod_ip' => pod_object[:status][:podIP], 'containers' => syms_to_strs(), 'host' => pod_object[:spec][:nodeName] } ['annotations'] = annotations unless annotations.empty? ['labels'] = labels unless labels.empty? ['master_url'] = @kubernetes_url unless @skip_master_url end |
#syms_to_strs(hsh) ⇒ Object
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# File 'lib/fluent/plugin/kubernetes_metadata_common.rb', line 99 def syms_to_strs(hsh) newhsh = {} hsh.each_pair do |kk, vv| if vv.is_a?(Hash) vv = syms_to_strs(vv) end if kk.is_a?(Symbol) newhsh[kk.to_s] = vv else newhsh[kk] = vv end end newhsh end |