Automator: update istio.io@ reference docs (#9834)

content/en/docs/reference/commands/istioctl/index.html

@@ -6288,6 +6288,7 @@ These environment variables affect the behavior of the <code>istioctl</code> com
 <tr><td><code>galley_validation_config_updates</code></td><td><code>Count</code></td><td>k8s webhook configuration updates</td></tr>
 <tr><td><code>get_cr_error_total</code></td><td><code>Sum</code></td><td>Number of times fetching CR from apiserver failed</td></tr>
 <tr><td><code>istio_build</code></td><td><code>LastValue</code></td><td>Istio component build info</td></tr>
+<tr><td><code>istiod_managed_clusters</code></td><td><code>LastValue</code></td><td>Number of clusters managed by istiod</td></tr>
 <tr><td><code>legacy_path_translation_total</code></td><td><code>Sum</code></td><td>Number of times a legacy API path is translated</td></tr>
 <tr><td><code>manifest_patch_error_total</code></td><td><code>Sum</code></td><td>Number of times K8S patch overlays failed</td></tr>
 <tr><td><code>manifest_render_error_total</code></td><td><code>Sum</code></td><td>Number of times error occurred during rendering output manifest</td></tr>

content/en/docs/reference/commands/operator/index.html

@@ -645,6 +645,7 @@ These environment variables affect the behavior of the <code>operator</code> com
 <tr><td><code>galley_validation_config_updates</code></td><td><code>Count</code></td><td>k8s webhook configuration updates</td></tr>
 <tr><td><code>get_cr_error_total</code></td><td><code>Sum</code></td><td>Number of times fetching CR from apiserver failed</td></tr>
 <tr><td><code>istio_build</code></td><td><code>LastValue</code></td><td>Istio component build info</td></tr>
+<tr><td><code>istiod_managed_clusters</code></td><td><code>LastValue</code></td><td>Number of clusters managed by istiod</td></tr>
 <tr><td><code>legacy_path_translation_total</code></td><td><code>Sum</code></td><td>Number of times a legacy API path is translated</td></tr>
 <tr><td><code>manifest_patch_error_total</code></td><td><code>Sum</code></td><td>Number of times K8S patch overlays failed</td></tr>
 <tr><td><code>manifest_render_error_total</code></td><td><code>Sum</code></td><td>Number of times error occurred during rendering output manifest</td></tr>

content/en/docs/reference/commands/pilot-agent/index.html

@@ -1318,6 +1318,7 @@ These environment variables affect the behavior of the <code>pilot-agent</code>
 <tr><td><code>istio_build</code></td><td><code>LastValue</code></td><td>Istio component build info</td></tr>
 <tr><td><code>istiod_connection_failures</code></td><td><code>Sum</code></td><td>The total number of connection failures to Istiod</td></tr>
 <tr><td><code>istiod_connection_terminations</code></td><td><code>Sum</code></td><td>The total number of connection errors to Istiod</td></tr>
+<tr><td><code>istiod_managed_clusters</code></td><td><code>LastValue</code></td><td>Number of clusters managed by istiod</td></tr>
 <tr><td><code>num_failed_outgoing_requests</code></td><td><code>Sum</code></td><td>Number of failed outgoing requests (e.g. to a token exchange server, CA, etc.)</td></tr>
 <tr><td><code>num_file_secret_failures_total</code></td><td><code>Sum</code></td><td>Number of times secret generation failed for files</td></tr>
 <tr><td><code>num_file_watcher_failures_total</code></td><td><code>Sum</code></td><td>Number of times file watcher failed to add watchers</td></tr>

content/en/docs/reference/commands/pilot-discovery/index.html

@@ -1123,6 +1123,7 @@ These environment variables affect the behavior of the <code>pilot-discovery</co
 <tr><td><code>galley_validation_http_error</code></td><td><code>Sum</code></td><td>Resource validation http serve errors</td></tr>
 <tr><td><code>galley_validation_passed</code></td><td><code>Sum</code></td><td>Resource is valid</td></tr>
 <tr><td><code>istio_build</code></td><td><code>LastValue</code></td><td>Istio component build info</td></tr>
+<tr><td><code>istiod_managed_clusters</code></td><td><code>LastValue</code></td><td>Number of clusters managed by istiod</td></tr>
 <tr><td><code>num_outgoing_retries</code></td><td><code>Sum</code></td><td>Number of outgoing retry requests (e.g. to a token exchange server, CA, etc.)</td></tr>
 <tr><td><code>pilot_conflict_inbound_listener</code></td><td><code>LastValue</code></td><td>Number of conflicting inbound listeners.</td></tr>
 <tr><td><code>pilot_conflict_outbound_listener_http_over_current_tcp</code></td><td><code>LastValue</code></td><td>Number of conflicting wildcard http listeners with current wildcard tcp listener.</td></tr>