 selector:
    istio: citadel
EOF</code></pre><h2 id=verifying-the-health-checker-is-working>Verifying the health checker is working</h2><p>Citadel will log the health checking results. Run the following in command line:</p><pre><code class=language-command>$ kubectl logs `kubectl get po -n istio-system | grep istio-citadel | awk &#39;{print $1}&#39;` -n istio-system</code></pre><p>You will see the output similar to:</p><pre><code class=language-plain>...
2018-02-27T04:29:56.128081Z     info    CSR successf