---
title: node_agent
overview: Istio security per-node agent
layout: pkg-collateral-docs
---
<p>Istio security per-node agent</p>
<pre class="language-bash"><code>node_agent [flags]
</code></pre>
<table class="command-flags">
<thead>
<th>Flags</th>
<th>Shorthand</th>
<th>Description</th>
</thead>
<tbody>
<tr>
<td><code>--aws-root-cert &lt;string&gt;</code></td>
<td></td>
<td>Root Certificate file in AWS environment  (default `/etc/certs/root-cert.pem`)</td>
</tr>
<tr>
<td><code>--ca-address &lt;string&gt;</code></td>
<td></td>
<td>Istio CA address  (default `istio-ca:8060`)</td>
</tr>
<tr>
<td><code>--env &lt;string&gt;</code></td>
<td></td>
<td>Node Environment : onprem | gcp | aws  (default `onprem`)</td>
</tr>
<tr>
<td><code>--gcp-ca-address &lt;string&gt;</code></td>
<td></td>
<td>Istio CA address in GCP environment  (default `istio-ca:8060`)</td>
</tr>
<tr>
<td><code>--gcp-root-cert &lt;string&gt;</code></td>
<td></td>
<td>Root Certificate file in GCP environment  (default `/etc/certs/root-cert.pem`)</td>
</tr>
<tr>
<td><code>--key-size &lt;int&gt;</code></td>
<td></td>
<td>Size of generated private key  (default `2048`)</td>
</tr>
<tr>
<td><code>--log_as_json</code></td>
<td></td>
<td>Whether to format output as JSON or in plain console-friendly format </td>
</tr>
<tr>
<td><code>--log_callers</code></td>
<td></td>
<td>Include caller information, useful for debugging </td>
</tr>
<tr>
<td><code>--log_output_level &lt;string&gt;</code></td>
<td></td>
<td>The minimum logging level of messages to output, can be one of &#34;debug&#34;, &#34;info&#34;, &#34;warn&#34;, &#34;error&#34;, or &#34;none&#34;  (default `info`)</td>
</tr>
<tr>
<td><code>--log_rotate &lt;string&gt;</code></td>
<td></td>
<td>The path for the optional rotating log file  (default ``)</td>
</tr>
<tr>
<td><code>--log_rotate_max_age &lt;int&gt;</code></td>
<td></td>
<td>The maximum age in days of a log file beyond which the file is rotated (0 indicates no limit)  (default `30`)</td>
</tr>
<tr>
<td><code>--log_rotate_max_backups &lt;int&gt;</code></td>
<td></td>
<td>The maximum number of log file backups to keep before older files are deleted (0 indicates no limit)  (default `1000`)</td>
</tr>
<tr>
<td><code>--log_rotate_max_size &lt;int&gt;</code></td>
<td></td>
<td>The maximum size in megabytes of a log file beyond which the file is rotated  (default `104857600`)</td>
</tr>
<tr>
<td><code>--log_stacktrace_level &lt;string&gt;</code></td>
<td></td>
<td>The minimum logging level at which stack traces are captured, can be one of &#34;debug&#34;, &#34;info&#34;, &#34;warn&#34;, &#34;error&#34;, or &#34;none&#34;  (default `none`)</td>
</tr>
<tr>
<td><code>--log_target &lt;stringArray&gt;</code></td>
<td></td>
<td>The set of paths where to output the log. This can be any path as well as the special values stdout and stderr  (default `[stdout]`)</td>
</tr>
<tr>
<td><code>--onprem-cert-chain &lt;string&gt;</code></td>
<td></td>
<td>Node Agent identity cert file in on premise environment  (default `/etc/certs/cert-chain.pem`)</td>
</tr>
<tr>
<td><code>--onprem-key &lt;string&gt;</code></td>
<td></td>
<td>Node identity private key file in on premise environment  (default `/etc/certs/key.pem`)</td>
</tr>
<tr>
<td><code>--onprem-root-cert &lt;string&gt;</code></td>
<td></td>
<td>Root Certificate file in on premise environment  (default `/etc/certs/root-cert.pem`)</td>
</tr>
<tr>
<td><code>--org &lt;string&gt;</code></td>
<td></td>
<td>Organization for the cert  (default ``)</td>
</tr>
<tr>
<td><code>--workload-cert-ttl &lt;duration&gt;</code></td>
<td></td>
<td>The requested TTL for the workload  (default `12h0m0s`)</td>
</tr>
</tbody>
</table>
<h2 id="node_agent version">node_agent version</h2>
<p>Prints out build version information</p>
<pre class="language-bash"><code>node_agent version [flags]
</code></pre>
<table class="command-flags">
<thead>
<th>Flags</th>
<th>Shorthand</th>
<th>Description</th>
</thead>
<tbody>
<tr>
<td><code>--log_as_json</code></td>
<td></td>
<td>Whether to format output as JSON or in plain console-friendly format </td>
</tr>
<tr>
<td><code>--log_callers</code></td>
<td></td>
<td>Include caller information, useful for debugging </td>
</tr>
<tr>
<td><code>--log_output_level &lt;string&gt;</code></td>
<td></td>
<td>The minimum logging level of messages to output, can be one of &#34;debug&#34;, &#34;info&#34;, &#34;warn&#34;, &#34;error&#34;, or &#34;none&#34;  (default `info`)</td>
</tr>
<tr>
<td><code>--log_rotate &lt;string&gt;</code></td>
<td></td>
<td>The path for the optional rotating log file  (default ``)</td>
</tr>
<tr>
<td><code>--log_rotate_max_age &lt;int&gt;</code></td>
<td></td>
<td>The maximum age in days of a log file beyond which the file is rotated (0 indicates no limit)  (default `30`)</td>
</tr>
<tr>
<td><code>--log_rotate_max_backups &lt;int&gt;</code></td>
<td></td>
<td>The maximum number of log file backups to keep before older files are deleted (0 indicates no limit)  (default `1000`)</td>
</tr>
<tr>
<td><code>--log_rotate_max_size &lt;int&gt;</code></td>
<td></td>
<td>The maximum size in megabytes of a log file beyond which the file is rotated  (default `104857600`)</td>
</tr>
<tr>
<td><code>--log_stacktrace_level &lt;string&gt;</code></td>
<td></td>
<td>The minimum logging level at which stack traces are captured, can be one of &#34;debug&#34;, &#34;info&#34;, &#34;warn&#34;, &#34;error&#34;, or &#34;none&#34;  (default `none`)</td>
</tr>
<tr>
<td><code>--log_target &lt;stringArray&gt;</code></td>
<td></td>
<td>The set of paths where to output the log. This can be any path as well as the special values stdout and stderr  (default `[stdout]`)</td>
</tr>
<tr>
<td><code>--short</code></td>
<td><code>-s</code></td>
<td>Displays a short form of the version information </td>
</tr>
</tbody>
</table>