kubeadm’s configuration exposes the following fields that can be used to override the default flags passed to control plane components such as the APIServer, ControllerManager and Scheduler:
APIServerExtraArgs
ControllerManagerExtraArgs
SchedulerExtraArgs
These fields consist of key: value
pairs. To override a flag for a control plane component:
For more details on each field in the configuration you can navigate to our API reference pages.
For details, see the reference documentation for kube-apiserver.
Example usage:
apiVersion: kubeadm.k8s.io/v1alpha2
kind: MasterConfiguration
kubernetesVersion: v1.11.0
metadata:
name: 1.11-sample
apiServerExtraArgs:
advertise-address: 192.168.0.103
anonymous-auth: false
enable-admission-plugins: AlwaysPullImages,DefaultStorageClass
audit-log-path: /home/johndoe/audit.log
For details, see the reference documentation for kube-controller-manager.
Example usage:
apiVersion: kubeadm.k8s.io/v1alpha2
kind: MasterConfiguration
kubernetesVersion: v1.11.0
metadata:
name: 1.11-sample
controllerManagerExtraArgs:
cluster-signing-key-file: /home/johndoe/keys/ca.key
bind-address: 0.0.0.0
deployment-controller-sync-period: 50
For details, see the reference documentation for kube-scheduler.
Example usage:
apiVersion: kubeadm.k8s.io/v1alpha2
kind: MasterConfiguration
kubernetesVersion: v1.11.0
metadata:
name: 1.11-sample
schedulerExtraArgs:
address: 0.0.0.0
config: /home/johndoe/schedconfig.yaml
kubeconfig: /home/johndoe/kubeconfig.yaml