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A configuration file can be passed to the
--config-path argument of the
contour serve command to specify additional configuration to Contour.
In most deployments, this file is passed to Contour via a ConfigMap which is mounted as a volume to the Contour pod.
The Contour configuration file is optional. In its absence, Contour will operate with reasonable defaults. Where Contour settings can also be specified with command-line flags, the command-line value takes precedence over the configuration file.
||This key sets the global access log format for Envoy. Valid options are
||Enables debug logging.|
||This array specifies the HTTP versions that Contour should program Envoy to serve. HTTP versions are specified as strings of the form “HTTP/x”, where “x” represents the version number.|
||If this field is true, Contour will ignore
||This sets the service name that will be inspected for address details to be applied to Ingress objects.|
||This sets the namespace of the service that will be inspected for address details to be applied to Ingress objects. If the
|ingress-status-address||string||None||If present, this specifies the address that will be copied into the Ingress status for each Ingress that Contour manages. It is exclusive with
||This field specifies that Contour is running in a Kubernetes cluster and should use the in-cluster client access configuration.|
|json-fields||string array||fields||This is the list the field names to include in the JSON access log format.|
||Path to a Kubernetes kubeconfig file for when Contour is executed outside a cluster.|
|leaderelection||leaderelection||The leader election configuration.|
||Deprecated and will be removed in a future release. Use timeouts.request-timeout instead.
This field specifies the default request timeout as a Go duration string. Zero means there is no timeout.
|tls||TLS||The default TLS configuration.|
|timeouts||TimeoutConfig||The timeout configuration.|
The TLS configuration block can be used to configure default values for how Contour should provision TLS hosts.
||This field specifies the minimum TLS protocol version that is allowed. Valid options are
|fallback-certificate||Fallback certificate configuration.|
||This field specifies the name of the Kubernetes secret to use as the fallback certificate.|
||This field specifies the namespace of the Kubernetes secret to use as the fallback certificate.|
The leader election configuration block configures how a deployment with more than one Contour pod elects a leader.
The Contour leader is responsible for updating the status field on Ingress and HTTPProxy documents.
In the vast majority of deployments, only the
configmap-namespace fields should require any configuration.
||The name of the ConfigMap that Contour leader election will lease.|
||The namespace of the ConfigMap that Contour leader election will lease. If the
||The duration of the leadership lease.|
||The length of time that the leader will retry refreshing leadership before giving up.|
||The interval at which Contour will attempt to the acquire leadership lease.|
The timeout configuration block can be used to configure various timeouts for the proxies. All fields are optional; Contour/Envoy defaults apply if a field is not specified.
|request-timeout||string||none*||This field specifies the default request timeout. Note that this is a timeout for the entire request, not an idle timeout. Must be a valid Go duration string, or omitted or set to
Note: A value of
||This field defines how long the proxy should wait while there are no active requests (for HTTP/1.1) or streams (for HTTP/2) before terminating an HTTP connection. Must be a valid Go duration string, or
||This field defines how long the proxy should wait while there is no request activity (for HTTP/1.1) or stream activity (for HTTP/2) before terminating the HTTP request or stream. Must be a valid Go duration string, or
|max-connection-duration||string||none*||This field defines the maximum period of time after an HTTP connection has been established from the client to the proxy before it is closed by the proxy, regardless of whether there has been activity or not. Must be a valid Go duration string, or omitted or set to
||This field defines how long the proxy will wait between sending an initial GOAWAY frame and a second, final GOAWAY frame when terminating an HTTP/2 connection. During this grace period, the proxy will continue to respond to new streams. After the final GOAWAY frame has been sent, the proxy will refuse new streams. Must be a valid Go duration string. See the Envoy documentation for more information.|
* This is Envoy’s default setting value and is not explicitly configured by Contour.
The following is an example ConfigMap with configuration file included:
apiVersion: v1 kind: ConfigMap metadata: name: contour namespace: projectcontour data: contour.yaml: | # should contour expect to be running inside a k8s cluster # incluster: true # # path to kubeconfig (if not running inside a k8s cluster) # kubeconfig: /path/to/.kube/config # # disable httpproxy permitInsecure field # disablePermitInsecure: false tls: # minimum TLS version that Contour will negotiate # minimumProtocolVersion: "1.1" fallback-certificate: # name: fallback-secret-name # namespace: projectcontour # The following config shows the defaults for the leader election. # leaderelection: # configmap-name: leader-elect # configmap-namespace: projectcontour # Default HTTP versions. # default-http-versions: # - "HTTP/1.1" # - "HTTP/2" # The following shows the default proxy timeout settings. # timeouts: # request-timeout: infinity # connection-idle-timeout: 60s # stream-idle-timeout: 5m # max-connection-duration: infinity # connection-shutdown-grace-period: 5s
Note: The default example
contour includes this file for easy deployment of Contour.
If present, the value of the
CONTOUR_NAMESPACE environment variable is used as:
contour bootstrap --namespaceflag unless otherwise specified.
contour certgen --namespaceflag unless otherwise specified.
contour serve --envoy-service-namespaceflag unless otherwise specified.
leaderelection.configmap-namespaceconfig file setting for
contour serveunless otherwise specified.