Do not attach empty 'node' metadata #54
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pmalek-sumo
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Dec 28, 2020
fluent-plugin-enhance-k8s-metadata/test/plugin/test_filter_enhance_k8s_metadata.rb
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pmalek-sumo
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Dec 28, 2020
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After attaching
node=nilmetadata to a metrics record, the other pluginprometheus_formatfails with "undefined method `gsub' for nil:NilClass":long-collection-sumologic-fluentd-metrics-8 fluentd 2020-12-23 11:18:21 +0000 [warn]: #0 dump an error event: error_class=NoMethodError error="undefined method `gsub' for nil:NilClass" location="/usr/local/bundle/gems/fluent-plugin-prometheus-format-1.3.2/lib/fluent/plugin/filter_prometheus_format.rb:127:in `escape'" tag="prometheus.metrics.state" time=2020-12-23 11:18:14.000000000 +0000 record={"@metric"=>"kube_pod_container_resource_limits", "app"=>"collections", "container"=>"forge-metrics", "endpoint"=>"http", "instance"=>"10.3.71.116:8080", "job"=>"kube-state-metrics", "namespace"=>"long-distributed-systems", "pod"=>"forge-pod1-fd7c8b6d4-gtvdw", "prometheus"=>"long-collections/long-collection-prometheus", "prometheus_replica"=>"prometheus-long-collection-prometheus-0", "resource"=>"cpu", "unit"=>"core", "@timestamp"=>1608722294978, "@value"=>0.1, "cluster"=>"long", "prometheus_service"=>"long-prometheus-kube-state-metrics", "node"=>nil, "pod_labels"=>{"assembly"=>"forge", "assemblyVersion"=>"21.0-1606248095-4476-165371dae6bb", "chart"=>"sumo-assembly", "chartVersion"=>"1.0.1", "heritage"=>"Helm", "pod-template-hash"=>"fd7c8b6d4", "release"=>"long-forge", "sumoPod"=>"1", "sumoPodGroup"=>"ingestion", "team"=>"distributed-systems"}, "replicaset"=>"forge-pod1-fd7c8b6d4", "deployment"=>"forge-pod1"}