Controller Options
Controller command flags and defaults.
To customise the controller options at install time, please see the bootstrap customization guide.
Flags
| Name | Type | Description |
|---|---|---|
--concurrent | int | The number of concurrent notification reconciles. (default 4) |
--default-service-account | string | Default service account to use for workload identity when not specified in resources. |
--enable-leader-election | boolean | Enable leader election for controller manager. Enabling this will ensure there is only one active controller manager. |
--events-addr | string | The address of the events receiver. |
--health-addr | string | The address the health endpoint binds to. (default “:9440”) |
--leader-election-lease-duration | duration | Interval at which non-leader candidates will wait to force acquire leadership (duration string). (default 35s) |
--leader-election-release-on-cancel | boolean | Defines if the leader should step down voluntarily on controller manager shutdown. (default true) |
--leader-election-renew-deadline | duration | Duration that the leading controller manager will retry refreshing leadership before giving up (duration string). (default 30s) |
--leader-election-retry-period | duration | Duration the LeaderElector clients should wait between tries of actions (duration string). (default 5s) |
--log-encoding | string | Log encoding format. Can be ‘json’ or ‘console’. (default “json”) |
--log-level | string | Log verbosity level. Can be one of ’trace’, ‘debug’, ‘info’, ’error’. (default “info”) |
--metrics-addr | string | The address the metric endpoint binds to. (default “:8080”) |
--no-cross-namespace-refs | boolean | When set to true, references between custom resources are allowed only if the reference and the referee are in the same namespace. |
--rate-limit-interval | duration | Interval in which rate limit has effect. (default 5m0s) |
--receiverAddr | string | The address the webhook receiver endpoint binds to. (default “:9292”) |
--token-cache-max-size | int | The maximum amount of entries in the LRU cache used for tokens. (default 100, enabled) |
--token-cache-max-duration | duration | The maximum duration for which a token would be considered unexpired. This is capped at 1h. (default 1h) |
--watch-all-namespaces | boolean | Watch for custom resources in all namespaces, if set to false it will only watch the runtime namespace. (default true) |
--feature-gates | mapStringBool | A comma separated list of key=value pairs defining the state of experimental features. |
Feature Gates
| Name | Default Value | Description |
|---|---|---|
CacheSecretsAndConfigMaps | false | Configures the caching of Secrets and ConfigMaps by the controller-runtime client. When enabled, it will cache both object types, resulting in increased memory usage and cluster-wide RBAC permissions (list and watch). |
ObjectLevelWorkloadIdentity | false | Enables the use of object-level workload identity for the controller. |
Last modified 2025-09-09: Fix typo: boostrap/bootstrap everywhere (b30bccc)