v1beta1 API Reference

v1beta1

APIEndpoint

APIEndpoint is the endpoint used to communicate with the Kubernetes API

FieldDescriptionSchemeRequired
hostHost is the hostname or IP on which API is running.stringtrue
portPort is the port used to reach to the API. Default value is 6443.intfalse

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AWSSpec

AWSSpec defines the AWS cloud provider

FieldDescriptionSchemeRequired

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Addon

Addon config

FieldDescriptionSchemeRequired
nameName of the addon to configurestringtrue
paramsParams to the addon, to render the addon using text/template, this will override globalParamsmap[string]stringfalse
deleteDelete flag to ensure the named addon with all its contents to be deletedboolfalse

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Addons

Addons config

FieldDescriptionSchemeRequired
enableEnableboolfalse
pathPath on the local file system to the directory with addons manifests.stringfalse
globalParamsGlobalParams to the addon, to render all addons using text/templatemap[string]stringfalse
addonsAddons is a list of config options for named addon[]Addonfalse

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AssetConfiguration

AssetConfiguration controls how assets (e.g. CNI, Kubelet, kube-apiserver, and more) are pulled. The AssetConfiguration API is an alpha API currently working only on Amazon Linux 2.

FieldDescriptionSchemeRequired
kubernetesKubernetes configures the image registry and repository for the core Kubernetes images (kube-apiserver, kube-controller-manager, kube-scheduler, and kube-proxy). Kubernetes respects only ImageRepository (ImageTag is ignored). Default image repository and tag: defaulted dynamically by Kubeadm. Defaults to RegistryConfiguration.OverwriteRegistry if left empty and RegistryConfiguration.OverwriteRegistry is specified.ImageAssetfalse
pausePause configures the sandbox (pause) image to be used by Kubelet. Default image repository and tag: defaulted dynamically by Kubeadm. Defaults to RegistryConfiguration.OverwriteRegistry if left empty and RegistryConfiguration.OverwriteRegistry is specified.ImageAssetfalse
coreDNSCoreDNS configures the image registry and tag to be used for deploying the CoreDNS component. Default image repository and tag: defaulted dynamically by Kubeadm. Defaults to RegistryConfiguration.OverwriteRegistry if left empty and RegistryConfiguration.OverwriteRegistry is specified.ImageAssetfalse
etcdEtcd configures the image registry and tag to be used for deploying the Etcd component. Default image repository and tag: defaulted dynamically by Kubeadm. Defaults to RegistryConfiguration.OverwriteRegistry if left empty and RegistryConfiguration.OverwriteRegistry is specified.ImageAssetfalse
metricsServerMetricsServer configures the image registry and tag to be used for deploying the metrics-server component. Default image repository and tag: defaulted dynamically by KubeOne. Defaults to RegistryConfiguration.OverwriteRegistry if left empty and RegistryConfiguration.OverwriteRegistry is specified.ImageAssetfalse
cniCNI configures the source for downloading the CNI binaries. If not specified, kubernetes-cni package will be installed. Default: noneBinaryAssetfalse
nodeBinariesNodeBinaries configures the source for downloading the Kubernetes Node Binaries tarball (e.g. kubernetes-node-linux-amd64.tar.gz). The tarball must have .tar.gz as the extension and must contain the following files: - kubernetes/node/bin/kubelet - kubernetes/node/bin/kubeadm If not specified, kubelet and kubeadm packages will be installed. Default: noneBinaryAssetfalse
kubectlKubectl configures the source for downloading the Kubectl binary. If not specified, kubelet package will be installed. Default: noneBinaryAssetfalse

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AzureSpec

AzureSpec defines the Azure cloud provider

FieldDescriptionSchemeRequired

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BinaryAsset

BinaryAsset is used to customize the URL of the binary asset

FieldDescriptionSchemeRequired
urlURL from where to download the binarystringfalse

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CNI

CNI config. Only one CNI provider must be used at the single time.

FieldDescriptionSchemeRequired
canalCanal*CanalSpecfalse
weaveNetWeaveNet*WeaveNetSpecfalse
externalExternal*ExternalCNISpecfalse

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CanalSpec

CanalSpec defines the Canal CNI plugin

FieldDescriptionSchemeRequired
mtuMTU automatically detected based on the cloudProvider default value is 1450intfalse

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CloudProviderSpec

CloudProviderSpec describes the cloud provider that is running the machines. Only one cloud provider must be defined at the single time.

FieldDescriptionSchemeRequired
externalExternalboolfalse
cloudConfigCloudConfigstringfalse
csiConfigCSIConfigstringfalse
awsAWS*AWSSpecfalse
azureAzure*AzureSpecfalse
digitaloceanDigitalOcean*DigitalOceanSpecfalse
gceGCE*GCESpecfalse
hetznerHetzner*HetznerSpecfalse
openstackOpenstack*OpenstackSpecfalse
packetPacket*PacketSpecfalse
vsphereVsphere*VsphereSpecfalse
noneNone*NoneSpecfalse

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ClusterNetworkConfig

ClusterNetworkConfig describes the cluster network

FieldDescriptionSchemeRequired
podSubnetPodSubnet default value is "10.244.0.0/16"stringfalse
serviceSubnetServiceSubnet default value is "10.96.0.0/12"stringfalse
serviceDomainNameServiceDomainName default value is "cluster.local"stringfalse
nodePortRangeNodePortRange default value is "30000-32767"stringfalse
cniCNI default value is {canal: {mtu: 1450}}*CNIfalse
kubeProxyKubeProxy config*KubeProxyConfigfalse

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ContainerRuntimeConfig

ContainerRuntimeConfig

FieldDescriptionSchemeRequired
docker*ContainerRuntimeDockerfalse
containerd*ContainerRuntimeContainerdfalse

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ContainerRuntimeContainerd

ContainerRuntimeContainerd defines docker container runtime

FieldDescriptionSchemeRequired

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ContainerRuntimeDocker

ContainerRuntimeDocker defines docker container runtime

FieldDescriptionSchemeRequired

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ControlPlaneConfig

ControlPlaneConfig defines control plane nodes

FieldDescriptionSchemeRequired
hostsHosts array of all control plane hosts.[]HostConfigtrue

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DNSConfig

DNSConfig contains a machine’s DNS configuration

FieldDescriptionSchemeRequired
serversServers[]stringtrue

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DigitalOceanSpec

DigitalOceanSpec defines the DigitalOcean cloud provider

FieldDescriptionSchemeRequired

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DynamicAuditLog

DynamicAuditLog feature flag

FieldDescriptionSchemeRequired
enableEnable Default value is false.boolfalse

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DynamicWorkerConfig

DynamicWorkerConfig describes a set of worker machines

FieldDescriptionSchemeRequired
nameNamestringtrue
replicasReplicas*inttrue
providerSpecConfigProviderSpectrue

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EncryptionProviders

Encryption Providers feature flag

FieldDescriptionSchemeRequired
enableEnablebooltrue
customEncryptionConfigurationCustomEncryptionConfigurationstringtrue

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ExternalCNISpec

ExternalCNISpec defines the external CNI plugin. It’s up to the user’s responsibility to deploy the external CNI plugin manually or as an addon

FieldDescriptionSchemeRequired

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Features

Features controls what features will be enabled on the cluster

FieldDescriptionSchemeRequired
podNodeSelectorPodNodeSelector*PodNodeSelectorfalse
podPresetsPodPresets Deprecated: will be removed once Kubernetes 1.19 reaches EOL*PodPresetsfalse
podSecurityPolicyPodSecurityPolicy*PodSecurityPolicyfalse
staticAuditLogStaticAuditLog*StaticAuditLogfalse
dynamicAuditLogDynamicAuditLog*DynamicAuditLogfalse
metricsServerMetricsServer*MetricsServerfalse
openidConnectOpenIDConnect*OpenIDConnectfalse
encryptionProvidersEncryption Providers*EncryptionProvidersfalse

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GCESpec

GCESpec defines the GCE cloud provider

FieldDescriptionSchemeRequired

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HetznerSpec

HetznerSpec defines the Hetzner cloud provider

FieldDescriptionSchemeRequired
networkIDNetworkIDstringfalse

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HostConfig

HostConfig describes a single control plane node.

FieldDescriptionSchemeRequired
publicAddressPublicAddress is externally accessible IP address from public internet.stringtrue
privateAddressPrivateAddress is internal RFC-1918 IP address.stringtrue
sshPortSSHPort is port to connect ssh to. Default value is 22.intfalse
sshUsernameSSHUsername is system login name. Default value is "root".stringfalse
sshPrivateKeyFileSSHPrivateKeyFile is path to the file with PRIVATE AND CLEANTEXT ssh key. Default value is "".stringfalse
sshAgentSocketSSHAgentSocket path (or reference to the environment) to the SSH agent unix domain socket. Default vaulue is "env:SSH_AUTH_SOCK".stringfalse
bastionBastion is an IP or hostname of the bastion (or jump) host to connect to. Default value is "".stringfalse
bastionPortBastionPort is SSH port to use when connecting to the bastion if it’s configured in .Bastion. Default value is 22.intfalse
bastionUserBastionUser is system login name to use when connecting to bastion host. Default value is "root".stringfalse
hostnameHostname is the hostname(1) of the host. Default value is populated at the runtime via running hostname -f command over ssh.stringfalse
isLeaderIsLeader indicates this host as a session leader. Default value is populated at the runtime.boolfalse
taintsTaints if not provided (i.e. nil) defaults to TaintEffectNoSchedule, with key node-role.kubernetes.io/master for control plane nodes. Explicitly empty (i.e. []corev1.Taint{}) means no taints will be applied (this is default for worker nodes).[]corev1.Taintfalse

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IPTables

IPTables

FieldDescriptionSchemeRequired

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IPVSConfig

IPVSConfig contains different options to configure IPVS kube-proxy mode

FieldDescriptionSchemeRequired
scheduleripvs scheduler, if it’s not configured, then round-robin (rr) is the default value. Can be one of: * rr: round-robin * lc: least connection (smallest number of open connections) * dh: destination hashing * sh: source hashing * sed: shortest expected delay * nq: never queuestringtrue
excludeCIDRsexcludeCIDRs is a list of CIDR’s which the ipvs proxier should not touch when cleaning up ipvs services.[]stringtrue
strictARPstrict ARP configure arp_ignore and arp_announce to avoid answering ARP queries from kube-ipvs0 interfacebooltrue
tcpTimeouttcpTimeout is the timeout value used for idle IPVS TCP sessions. The default value is 0, which preserves the current timeout value on the system.metav1.Durationtrue
tcpFinTimeouttcpFinTimeout is the timeout value used for IPVS TCP sessions after receiving a FIN. The default value is 0, which preserves the current timeout value on the system.metav1.Durationtrue
udpTimeoutudpTimeout is the timeout value used for IPVS UDP packets. The default value is 0, which preserves the current timeout value on the system.metav1.Durationtrue

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ImageAsset

ImageAsset is used to customize the image repository and the image tag

FieldDescriptionSchemeRequired
imageRepositoryImageRepository customizes the registry/repositorystringfalse
imageTagImageTag customizes the image tagstringfalse

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KubeOneCluster

KubeOneCluster is KubeOne Cluster API Schema

FieldDescriptionSchemeRequired
nameName is the name of the cluster.stringtrue
controlPlaneControlPlane describes the control plane nodes and how to access them.ControlPlaneConfigtrue
apiEndpointAPIEndpoint are pairs of address and port used to communicate with the Kubernetes API.APIEndpointtrue
cloudProviderCloudProvider configures the cloud provider specific features.CloudProviderSpectrue
versionsVersions defines which Kubernetes version will be installed.VersionConfigtrue
containerRuntimeContainerRuntime defines which container runtime will be installedContainerRuntimeConfigfalse
clusterNetworkClusterNetwork configures the in-cluster networking.ClusterNetworkConfigfalse
proxyProxy configures proxy used while installing Kubernetes and by the Docker daemon.ProxyConfigfalse
staticWorkersStaticWorkers describes the worker nodes that are managed by KubeOne/kubeadm.StaticWorkersConfigfalse
dynamicWorkersDynamicWorkers describes the worker nodes that are managed by Kubermatic machine-controller/Cluster-API.[]DynamicWorkerConfigfalse
machineControllerMachineController configures the Kubermatic machine-controller component.*MachineControllerConfigfalse
caBundleCABundle PEM encoded global CAstringfalse
featuresFeatures enables and configures additional cluster features.Featuresfalse
addonsAddons are used to deploy additional manifests.*Addonsfalse
systemPackagesSystemPackages configure kubeone behaviour regarding OS packages.*SystemPackagesfalse
assetConfigurationAssetConfiguration configures how are binaries and container images downloadedAssetConfigurationfalse
registryConfigurationRegistryConfiguration configures how Docker images are pulled from an image registry*RegistryConfigurationfalse

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KubeProxyConfig

KubeProxyConfig defines configured kube-proxy mode, default is iptables mode

FieldDescriptionSchemeRequired
ipvsIPVS config*IPVSConfigtrue
iptablesIPTables config*IPTablestrue

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MachineControllerConfig

MachineControllerConfig configures kubermatic machine-controller deployment

FieldDescriptionSchemeRequired
deployDeployboolfalse

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MetricsServer

MetricsServer feature flag

FieldDescriptionSchemeRequired
enableEnable deployment of metrics-server. Default value is true.boolfalse

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NoneSpec

NoneSpec defines a none provider

FieldDescriptionSchemeRequired

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OpenIDConnect

OpenIDConnect feature flag

FieldDescriptionSchemeRequired
enableEnableboolfalse
configConfigOpenIDConnectConfigtrue

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OpenIDConnectConfig

OpenIDConnectConfig config

FieldDescriptionSchemeRequired
issuerUrlIssuerURLstringtrue
clientIdClientIDstringtrue
usernameClaimUsernameClaimstringtrue
usernamePrefixUsernamePrefixstringtrue
groupsClaimGroupsClaimstringtrue
groupsPrefixGroupsPrefixstringtrue
requiredClaimRequiredClaimstringtrue
signingAlgsSigningAlgsstringtrue
caFileCAFilestringtrue

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OpenstackSpec

OpenstackSpec defines the Openstack provider

FieldDescriptionSchemeRequired

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PacketSpec

PacketSpec defines the Packet cloud provider

FieldDescriptionSchemeRequired

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PodNodeSelector

PodNodeSelector feature flag

FieldDescriptionSchemeRequired
enableEnableboolfalse
configConfigPodNodeSelectorConfigtrue

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PodNodeSelectorConfig

PodNodeSelectorConfig config

FieldDescriptionSchemeRequired
configFilePathConfigFilePath is a path on the local file system to the PodNodeSelector configuration file. ConfigFilePath is a required field. More info: https://kubernetes.io/docs/reference/access-authn-authz/admission-controllers/#podnodeselectorstringtrue

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PodPresets

PodPresets feature flag The PodPresets feature has been removed in Kubernetes 1.20. This feature is deprecated and will be removed from the API once Kubernetes 1.19 reaches EOL.

FieldDescriptionSchemeRequired
enableEnableboolfalse

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PodSecurityPolicy

PodSecurityPolicy feature flag

FieldDescriptionSchemeRequired
enableEnableboolfalse

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ProviderSpec

ProviderSpec describes a worker node

FieldDescriptionSchemeRequired
cloudProviderSpecCloudProviderSpecjson.RawMessagetrue
annotationsAnnotationsmap[string]stringfalse
labelsLabelsmap[string]stringfalse
taintsTaints[]corev1.Taintfalse
sshPublicKeysSSHPublicKeys[]stringfalse
operatingSystemOperatingSystemstringtrue
operatingSystemSpecOperatingSystemSpecjson.RawMessagefalse
networkNetwork*ProviderStaticNetworkConfigfalse
overwriteCloudConfigOverwriteCloudConfig*stringfalse

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ProviderStaticNetworkConfig

ProviderStaticNetworkConfig contains a machine’s static network configuration

FieldDescriptionSchemeRequired
cidrCIDRstringtrue
gatewayGatewaystringtrue
dnsDNSDNSConfigtrue

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ProxyConfig

ProxyConfig configures proxy for the Docker daemon and is used by KubeOne scripts

FieldDescriptionSchemeRequired
httpHTTPstringfalse
httpsHTTPSstringfalse
noProxyNoProxystringfalse

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RegistryConfiguration

RegistryConfiguration controls how images used for components deployed by KubeOne and kubeadm are pulled from an image registry

FieldDescriptionSchemeRequired
overwriteRegistryOverwriteRegistry specifies a custom Docker registry which will be used for all images required for KubeOne and kubeadm. This also applies to addons deployed by KubeOne. This field doesn’t modify the user/organization part of the image. For example, if OverwriteRegistry is set to 127.0.0.1:5000/example, image called calico/cni would translate to 127.0.0.1:5000/example/calico/cni. Default: ""stringfalse
insecureRegistryInsecureRegistry configures Docker to threat the registry specified in OverwriteRegistry as an insecure registry. This is also propagated to the worker nodes managed by machine-controller and/or KubeOne.boolfalse

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StaticAuditLog

StaticAuditLog feature flag

FieldDescriptionSchemeRequired
enableEnableboolfalse
configConfigStaticAuditLogConfigtrue

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StaticAuditLogConfig

StaticAuditLogConfig config

FieldDescriptionSchemeRequired
policyFilePathPolicyFilePath is a path on local file system to the audit policy manifest which defines what events should be recorded and what data they should include. PolicyFilePath is a required field. More info: https://kubernetes.io/docs/tasks/debug-application-cluster/audit/#audit-policystringtrue
logPathLogPath is path on control plane instances where audit log files are stored. Default value is /var/log/kubernetes/audit.logstringfalse
logMaxAgeLogMaxAge is maximum number of days to retain old audit log files. Default value is 30intfalse
logMaxBackupLogMaxBackup is maximum number of audit log files to retain. Default value is 3.intfalse
logMaxSizeLogMaxSize is maximum size in megabytes of audit log file before it gets rotated. Default value is 100.intfalse

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StaticWorkersConfig

StaticWorkersConfig defines static worker nodes provisioned by KubeOne and kubeadm

FieldDescriptionSchemeRequired
hostsHosts[]HostConfigfalse

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SystemPackages

SystemPackages controls configurations of APT/YUM

FieldDescriptionSchemeRequired
configureRepositoriesConfigureRepositories (true by default) is a flag to control automatic configuration of kubeadm / docker repositories.boolfalse

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VersionConfig

VersionConfig describes the versions of components that are installed on the machines

FieldDescriptionSchemeRequired
kubernetesstringtrue

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VsphereSpec

VsphereSpec defines the vSphere provider

FieldDescriptionSchemeRequired

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WeaveNetSpec

WeaveNetSpec defines the WeaveNet CNI plugin

FieldDescriptionSchemeRequired
encryptedEncryptedboolfalse

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