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Logging
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Installation
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Currently, we use the `sample configuration`_ in Istio to install fluentd::

    cd clover/logging
    kubectl apply -f install

.. _sample configuration: https://istio.io/docs/tasks/telemetry/fluentd.html

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Validate
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The scripts in ``clover/logging`` validates fluentd installation::

    python clover/logging/validate.py

It validates the installation with the following criterias

#. existence of fluented pod
#. fluentd input is configured correctly
#. TBD