---
title: pilot-agent
overview: Istio Pilot agent
layout: pkg-collateral-docs
number_of_entries: 4
---
<p>Istio Pilot provides management plane functionality to the Istio service mesh and Istio Mixer.</p>
<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_backtrace_at &lt;traceLocation&gt;</code></td>
<td></td>
<td>when logging hits line file:N, emit a stack trace  (default `:0`)</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>--v &lt;Level&gt;</code></td>
<td><code>-v</code></td>
<td>log level for V logs  (default `0`)</td>
</tr>
<tr>
<td><code>--vmodule &lt;moduleSpec&gt;</code></td>
<td></td>
<td>comma-separated list of pattern=N settings for file-filtered logging  (default ``)</td>
</tr>
</tbody>
</table>
<h2 id="pilot-agent proxy">pilot-agent proxy</h2>
<p>Envoy proxy agent</p>
<pre class="language-bash"><code>pilot-agent proxy [flags]
</code></pre>
<table class="command-flags">
<thead>
<th>Flags</th>
<th>Shorthand</th>
<th>Description</th>
</thead>
<tbody>
<tr>
<td><code>--availabilityZone &lt;string&gt;</code></td>
<td></td>
<td>Availability zone  (default ``)</td>
</tr>
<tr>
<td><code>--binaryPath &lt;string&gt;</code></td>
<td></td>
<td>Path to the proxy binary  (default `/usr/local/bin/envoy`)</td>
</tr>
<tr>
<td><code>--bootstrapv2</code></td>
<td></td>
<td>Use bootstrap v2 </td>
</tr>
<tr>
<td><code>--concurrency &lt;int&gt;</code></td>
<td></td>
<td>number of worker threads to run  (default `0`)</td>
</tr>
<tr>
<td><code>--configPath &lt;string&gt;</code></td>
<td></td>
<td>Path to the generated configuration file directory  (default `/etc/istio/proxy`)</td>
</tr>
<tr>
<td><code>--connectTimeout &lt;duration&gt;</code></td>
<td></td>
<td>Connection timeout used by Envoy for supporting services  (default `1s`)</td>
</tr>
<tr>
<td><code>--controlPlaneAuthPolicy &lt;string&gt;</code></td>
<td></td>
<td>Control Plane Authentication Policy  (default `NONE`)</td>
</tr>
<tr>
<td><code>--customConfigFile &lt;string&gt;</code></td>
<td></td>
<td>Path to the generated configuration file directory  (default ``)</td>
</tr>
<tr>
<td><code>--discoveryAddress &lt;string&gt;</code></td>
<td></td>
<td>Address of the discovery service exposing xDS (e.g. istio-pilot:8080)  (default `istio-pilot:15003`)</td>
</tr>
<tr>
<td><code>--discoveryRefreshDelay &lt;duration&gt;</code></td>
<td></td>
<td>Polling interval for service discovery (used by EDS, CDS, LDS, but not RDS)  (default `1s`)</td>
</tr>
<tr>
<td><code>--domain &lt;string&gt;</code></td>
<td></td>
<td>DNS domain suffix. If not provided uses ${POD_NAMESPACE}.svc.cluster.local  (default ``)</td>
</tr>
<tr>
<td><code>--drainDuration &lt;duration&gt;</code></td>
<td></td>
<td>The time in seconds that Envoy will drain connections during a hot restart  (default `2s`)</td>
</tr>
<tr>
<td><code>--id &lt;string&gt;</code></td>
<td></td>
<td>Proxy unique ID. If not provided uses ${POD_NAME}.${POD_NAMESPACE} from environment variables  (default ``)</td>
</tr>
<tr>
<td><code>--ip &lt;string&gt;</code></td>
<td></td>
<td>Proxy IP address. If not provided uses ${INSTANCE_IP} environment variable.  (default ``)</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_backtrace_at &lt;traceLocation&gt;</code></td>
<td></td>
<td>when logging hits line file:N, emit a stack trace  (default `:0`)</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>--parentShutdownDuration &lt;duration&gt;</code></td>
<td></td>
<td>The time in seconds that Envoy will wait before shutting down the parent process during a hot restart  (default `3s`)</td>
</tr>
<tr>
<td><code>--proxyAdminPort &lt;int&gt;</code></td>
<td></td>
<td>Port on which Envoy should listen for administrative commands  (default `15000`)</td>
</tr>
<tr>
<td><code>--proxyLogLevel &lt;string&gt;</code></td>
<td></td>
<td>The log level used to start the Envoy proxy (choose from {trace, debug, info, warn, err, critical, off})  (default `info`)</td>
</tr>
<tr>
<td><code>--serviceCluster &lt;string&gt;</code></td>
<td></td>
<td>Service cluster  (default `istio-proxy`)</td>
</tr>
<tr>
<td><code>--serviceregistry &lt;string&gt;</code></td>
<td></td>
<td>Select the platform for service registry, options are {Kubernetes, Consul, Eureka}  (default `Kubernetes`)</td>
</tr>
<tr>
<td><code>--statsdUdpAddress &lt;string&gt;</code></td>
<td></td>
<td>IP Address and Port of a statsd UDP listener (e.g. 10.75.241.127:9125)  (default ``)</td>
</tr>
<tr>
<td><code>--v &lt;Level&gt;</code></td>
<td><code>-v</code></td>
<td>log level for V logs  (default `0`)</td>
</tr>
<tr>
<td><code>--vmodule &lt;moduleSpec&gt;</code></td>
<td></td>
<td>comma-separated list of pattern=N settings for file-filtered logging  (default ``)</td>
</tr>
<tr>
<td><code>--zipkinAddress &lt;string&gt;</code></td>
<td></td>
<td>Address of the Zipkin service (e.g. zipkin:9411)  (default ``)</td>
</tr>
</tbody>
</table>
<h2 id="pilot-agent version">pilot-agent version</h2>
<p>Prints out build version information</p>
<pre class="language-bash"><code>pilot-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_backtrace_at &lt;traceLocation&gt;</code></td>
<td></td>
<td>when logging hits line file:N, emit a stack trace  (default `:0`)</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>
<tr>
<td><code>--v &lt;Level&gt;</code></td>
<td><code>-v</code></td>
<td>log level for V logs  (default `0`)</td>
</tr>
<tr>
<td><code>--vmodule &lt;moduleSpec&gt;</code></td>
<td></td>
<td>comma-separated list of pattern=N settings for file-filtered logging  (default ``)</td>
</tr>
</tbody>
</table>