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An ubuntu-slim/s6-overlay/confd based docker image for running fluentd in Kubernetes pods/daemonsets

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mumoshu/kube-fluentd

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kube-fluentd

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A docker image for running fluentd in Kubernetes pods.

Based on:

Supported tags

  • latest/0.14.22-0.9.9 (Fluentd v0.14.22)

Naming convention for images is $FLUENTD_VERSION-$KUBE_FLUENTD_VERSION

Changelog

  • 0.9.10-rc.17
    • Bump Fluentd to 1.0.0
    • Support for Datadog Log Management
    • Expose Prometheus metrics
  • 0.9.10-rc.1
    • Bump Fluentd to 0.14.22
    • Support for credentials from volume mounts (See fluentd.daemonset.credfromfile.yaml)
  • 0.9.9
  • 0.9.8
    • Set buffer_queue_full_action to block for tail plugins so that we won't drop messages anymore
  • 0.9.7
    • fluentd.conf is customizable via environment variables (#3, thanks to @cw-hayashi)
  • 0.9.6
    • Fix the fluentd OOM issue when ingesting a lot of log
  • 0.9.5
    • Remove /var/lib/apt/lists/* to save approximately 20MB of image size
  • 0.9.4
    • Build confd outside of containers to save 1MB of image size
  • 0.9.3
    • Switch from alpine to ubuntu-slim:0.4
    • Use jemalloc
    • Fluentd 0.14.9
  • 0.9.2
  • 0.9.1

Usage in Kubernetes

(1) Create a new GCP service account key in https://console.cloud.google.com/apis/credentials and obtain ${gcp_project_name}-${service_account_key_id}.json1

(2) Run the following commands:

For Google Stackdriver Logging:

$ cp ${gcp_project_name}-${service_account_key_id}.json application_default_credentials.json
$ kubectl kubectl create secret generic kube-fluentd-google-application-default-credentials --from-file application_default_credentials.json --namespace kube-system
$ kubectl create -f fluentd.rbac.yaml
$ kubectl create -f fluentd.daemonset.credfromfile.yaml

For Datadog Log Management:

$ kubectl create secret generic datadog --from-literal=api-key=$DD_API_KEY
$ kubectl create -f fluentd.rbac.yaml
$ kubectl create -f fluentd.datadog.daemonset.yaml

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An ubuntu-slim/s6-overlay/confd based docker image for running fluentd in Kubernetes pods/daemonsets

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