options

Documentation

Index

• type Options
  • func NewOptions() *Options
  • func (o *Options) AddFlags(flags *pflag.FlagSet, allControllers, disabledByDefaultControllers []string)
  • func (o *Options) Validate() field.ErrorList

Types

type Options

type Options struct {
	// Controllers is the list of controllers to enable or disable
	// '*' means "all enabled by default controllers"
	// 'foo' means "enable 'foo'"
	// '-foo' means "disable 'foo'"
	// first item for a particular name wins
	Controllers []string
	// LeaderElection defines the configuration of leader election client.
	LeaderElection componentbaseconfig.LeaderElectionConfiguration
	// BindAddress is the IP address on which to listen for the --secure-port port.
	BindAddress string
	// SecurePort is the port that the the server serves at.
	// Note: We hope support https in the future once controller-runtime provides the functionality.
	SecurePort int
	// ClusterStatusUpdateFrequency is the frequency that controller computes and report cluster status.
	// It must work with ClusterMonitorGracePeriod(--cluster-monitor-grace-period) in karmada-controller-manager.
	ClusterStatusUpdateFrequency metav1.Duration
	// FailoverEvictionTimeout is the grace period for deleting scheduling result on failed clusters.
	FailoverEvictionTimeout metav1.Duration
	// ClusterLeaseDuration is a duration that candidates for a lease need to wait to force acquire it.
	// This is measure against time of last observed lease RenewTime.
	ClusterLeaseDuration metav1.Duration
	// ClusterLeaseRenewIntervalFraction is a fraction coordinated with ClusterLeaseDuration that
	// how long the current holder of a lease has last updated the lease.
	ClusterLeaseRenewIntervalFraction float64
	// ClusterSuccessThreshold is the duration of successes for the cluster to be considered healthy after recovery.
	ClusterSuccessThreshold metav1.Duration
	// ClusterFailureThreshold is the duration of failure for the cluster to be considered unhealthy.
	ClusterFailureThreshold metav1.Duration
	// ClusterMonitorPeriod represents cluster-controller monitoring period, i.e. how often does
	// cluster-controller check cluster health signal posted from cluster-status-controller.
	// This value should be lower than ClusterMonitorGracePeriod.
	ClusterMonitorPeriod metav1.Duration
	// ClusterMonitorGracePeriod represents the grace period after last cluster health probe time.
	// If it doesn't receive update for this amount of time, it will start posting
	// "ClusterReady==ConditionUnknown".
	ClusterMonitorGracePeriod metav1.Duration
	// When cluster is just created, e.g. agent bootstrap or cluster join, we give a longer grace period.
	ClusterStartupGracePeriod metav1.Duration
	// SkippedPropagatingAPIs indicates comma separated resources that should be skipped for propagating.
	SkippedPropagatingAPIs string
	// SkippedPropagatingNamespaces is a list of namespaces that will be skipped for propagating.
	SkippedPropagatingNamespaces []string
	// ClusterAPIContext is the name of the cluster context in cluster-api management cluster KUBECONFIG file.
	// Default value is the current-context.
	ClusterAPIContext string
	// ClusterAPIKubeconfig holds the cluster-api management cluster KUBECONFIG file path.
	ClusterAPIKubeconfig string
	// ClusterAPIQPS is the QPS to use while talking with cluster kube-apiserver.
	ClusterAPIQPS float32
	// ClusterAPIBurst is the burst to allow while talking with cluster kube-apiserver.
	ClusterAPIBurst int
	// KubeAPIQPS is the QPS to use while talking with karmada-apiserver.
	KubeAPIQPS float32
	// KubeAPIBurst is the burst to allow while talking with karmada-apiserver.
	KubeAPIBurst int
	// ClusterCacheSyncTimeout is the timeout period waiting for cluster cache to sync
	ClusterCacheSyncTimeout metav1.Duration
	// ResyncPeriod is the base frequency the informers are resynced.
	// Defaults to 0, which means the created informer will never do resyncs.
	ResyncPeriod metav1.Duration
	// MetricsBindAddress is the TCP address that the controller should bind to
	// for serving prometheus metrics.
	// It can be set to "0" to disable the metrics serving.
	// Defaults to ":8080".
	MetricsBindAddress string
	// ConcurrentClusterSyncs is the number of cluster objects that are
	// allowed to sync concurrently.
	ConcurrentClusterSyncs int
	// ConcurrentClusterResourceBindingSyncs is the number of clusterresourcebinding objects that are
	// allowed to sync concurrently.
	ConcurrentClusterResourceBindingSyncs int
	// ConcurrentWorkSyncs is the number of Work objects that are
	// allowed to sync concurrently.
	ConcurrentWorkSyncs int
	// ConcurrentResourceBindingSyncs is the number of resourcebinding objects that are
	// allowed to sync concurrently.
	ConcurrentResourceBindingSyncs int
	// ConcurrentNamespaceSyncs is the number of Namespace objects that are
	// allowed to sync concurrently.
	ConcurrentNamespaceSyncs int
	// ConcurrentResourceTemplateSyncs is the number of resource templates that are allowed to sync concurrently.
	ConcurrentResourceTemplateSyncs int
	// If set to true enables NoExecute Taints and will evict all not-tolerating
	// objects propagating on Clusters tainted with this kind of Taints.
	EnableTaintManager bool
	// GracefulEvictionTimeout is the timeout period waiting for the grace-eviction-controller performs the final
	// removal since the workload(resource) has been moved to the graceful eviction tasks.
	GracefulEvictionTimeout metav1.Duration

	RateLimiterOpts ratelimiterflag.Options
	ProfileOpts     profileflag.Options
	// EnableClusterResourceModeling indicates if enable cluster resource modeling.
	// The resource modeling might be used by the scheduler to make scheduling decisions
	// in scenario of dynamic replica assignment based on cluster free resources.
	// Disable if it does not fit your cases for better performance.
	EnableClusterResourceModeling bool
}

Options contains everything necessary to create and run controller-manager.

func NewOptions

func NewOptions() *Options

NewOptions builds an empty options.

func (*Options) AddFlags

func (o *Options) AddFlags(flags *pflag.FlagSet, allControllers, disabledByDefaultControllers []string)

AddFlags adds flags to the specified FlagSet.

func (*Options) Validate

func (o *Options) Validate() field.ErrorList

Validate checks Options and return a slice of found errs.