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CLI Arguments

Various settings and configurations of the controller can be tweaked using CLI flags.

Environment variables

Each flag defined in the table below can also be configured using an environment variable. The name of the environment variable is CONTROLLER_ string followed by the name of flag in uppercase.

For example, --ingress-class can be configured using the following environment variable:

CONTROLLER_INGRESS_CLASS=kong-foobar

It is recommended that all the configuration is done via environment variables and not CLI flags.

Flags

Following table describes all the flags that are available:

Flag	Type	Description	Default
`--admission-webhook-cert`	`string`	Admission server PEM certificate. value
`--admission-webhook-cert-file`	`string`	Admission server PEM certificate file path; if both this and the cert value is unset a default is provided.	`/admission-webhook/tls.crt`
`--admission-webhook-key`	`string`	Admission server PEM private key value
`--admission-webhook-key-file`	`string`	Admission server PEM private key file path; if both this and the key value is unset a default is provided.	`/admission-webhook/tls.key`
`--admission-webhook-listen`	`string`	The address to start admission controller on (`ip:port`). Setting it to `off` disables the admission controller.	`"off"`
`--anonymous-reports`	`string`	Send anonymized usage data to help improve Kong.	`true`
`--apiserver-burst`	`int`	The Kubernetes API server burst queries limit, to temporarily exceed the `--apiserver-qps` limit.	`300`
`--apiserver-host`	`string`	The Kubernetes API server URL. If not set, the controller will use cluster config discovery.
`--apiserver-qps`	`int`	The Kubernetes API server queries per second limit.	`100`
`--dump-config`	`boolean`	Enable config dumps via web interface `host:10256/debug/config`.	`false`
`--dump-sensitive-config`	`boolean`	Include credentials and TLS secrets in configs exposed with `--dump-config`.	`false`
`--election-id`	`string`	Election id to use for status update.	`"5b374a9e.konghq.com"`
`--election-namespace`	`string`	Namespace to use for election ConfigMap. Only necessary for development environments running outside a Kubernetes cluster.
`--enable-controller-ingress-extensionsv1beta1`	`boolean`	Enable the extensions/v1beta1 Ingress controller.	`true`
`--enable-controller-ingress-networkingv1`	`boolean`	Enable the `networking.k8s.io/v1` Ingress controller.	`true`
`--enable-controller-ingress-networkingv1beta1`	`boolean`	Enable the `networking.k8s.io/v1beta1` Ingress controller.	`true`
`--enable-controller-knativeingress`	`boolean`	Enable the KnativeIngress controller.	`true`
`--enable-controller-kongclusterplugin`	`boolean`	Enable the KongClusterPlugin controller.	`true`
`--enable-controller-kongconsumer`	`boolean`	Enable the KongConsumer controller.	`true`
`--enable-controller-kongingress`	`boolean`	Enable the KongIngress controller.	`true`
`--enable-controller-kongplugin`	`boolean`	Enable the KongPlugin controller.	`true`
`--enable-controller-service`	`boolean`	Enable the Service controller.	`true`
`--enable-controller-tcpingress`	`boolean`	Enable the TCPIngress controller.	`true`
`--enable-controller-udpingress`	`boolean`	Enable the UDPIngress controller.	`true`
`--enable-reverse-sync`	`boolean`	Send configuration to Kong even if the configuration checksum has not changed since previous update.	`false`
`--feature-gates`	`strings`	A set of key=value pairs that describe feature gates for alpha/beta/experimental features.	see feature-gates
`--gateway-api-controller-name`	`string`	Controller name of the Kubernetes Gateway API. Gateway resources are reconciled only when their GatewayClass has the same value in `spec.controllerName`.	`konghq.com/kic-gateway-controller`
`--health-probe-bind-address`	`string`	The address the probe endpoint binds to.	`":10254"`
`--help`	`boolean`	Help for this command.	`false`
`--ingress-class`	`string`	Name of the ingress class to route through this controller.	`"kong"`
`--kong-admin-ca-cert`	`string`	PEM-encoded CA certificate to verify Kong’s Admin SSL certificate.
`--kong-admin-ca-cert-file`	`string`	Path to PEM-encoded CA certificate file to verify Kong’s Admin SSL certificate.
`--kong-admin-concurrency`	`int`	Max number of concurrent requests sent to Kong’s Admin API.	`10`
`--kong-admin-filter-tag`	`strings`	The tag used to manage and filter entities in Kong. This flag can be specified multiple times to specify multiple tags.	`[managed-by-ingress-controller]`
`--kong-admin-header`	`strings`	Add a header (key:value) to every Admin API call, this flag can be used multiple times to specify multiple headers.
`--kong-admin-init-retries`	`int`	Number of attempts that will be made initially on controller startup to connect to the Kong Admin API.	`60`
`--kong-admin-init-retry-delay`	`duration`	The time delay between every attempt (on controller startup) to connect to the Kong Admin API.
`--kong-admin-tls-server-name`	`string`	SNI name to use to verify the certificate presented by Kong in TLS.
`--kong-admin-tls-skip-verify`	`boolean`	Disable verification of TLS certificate of Kong’s Admin endpoint.	`false`
`--kong-admin-token`	`string`	The Kong Gateway Enterprise RBAC token used by the controller.
`--kong-admin-url`	`string`	The Kong Admin URL to connect to in the format “protocol://address:port”.	`"http://localhost:8001"`
`--kong-custom-entities-secret`	`string`	A Secret containing custom entities for DB-less mode, in “namespace/name” format.
`--kong-workspace`	`string`	Kong Gateway Enterprise workspace to configure. Leave this empty if not using Kong workspaces.
`--kubeconfig`	`string`	Path to the kubeconfig file.
`--log-format`	`string`	Format of logs of the controller. Allowed values are text and json.	`"text"`
`--log-level`	`string`	Level of logging for the controller. Allowed values are trace, debug, info, warn, error, fatal and panic.	`"info"`
`--metrics-bind-address`	`string`	The address the metric endpoint binds to.	`":10255"`
`--profiling`	`boolean`	Enable profiling via web interface `host:10256/debug/pprof/`.	`false`
`--proxy-sync-seconds`	`float32`	Define the rate (in seconds) in which configuration updates will be applied to the Kong Admin API.	`3`
`--proxy-timeout-seconds`	`float32`	Define the rate (in seconds) in which the timeout configuration will be applied to the Kong client.	`30`
`--publish-service`	`string`	Service fronting Ingress resources in “namespace/name” format. The controller will update Ingress status information with this Service’s endpoints.
`--publish-status-address`	`strings`	User-provided addresses in comma-separated string format, for use in lieu of “publish-service” when that Service lacks useful address information.
`--skip-ca-certificates`	`boolean`	Disable CA certificate handling. When using multiple controllers for separate workspaces in the same Kong instance, all but one controller should have this set to `true`.	`false`
`--sync-period`	`duration`	Relist and confirm cloud resources this often.	`48h`
`--term-delay`	`duration`	The time delay to sleep before SIGTERM or SIGINT shuts down the Ingress Controller.	`0s`
`--update-status`	`boolean`	Indicates if the ingress controller should update the status of resources (e.g. IP/Hostname for v1.Ingress, e.t.c.).	`true`
`--watch-namespace`	`strings`	Namespace(s) to watch for Kubernetes resources. Defaults to all namespaces. To watch multiple namespaces, use a comma-separated list of namespaces.	`all`