clusterstate

type AcceptableRange struct {
	// MinNodes is the minimum number of nodes in the group.
	MinNodes int
	// MaxNodes is the maximum number of nodes in the group.
	MaxNodes int
	// CurrentTarget is the current target size of the group.
	CurrentTarget int
}

type ClusterStateRegistry struct {
	sync.Mutex
	// contains filtered or unexported fields
}

type ClusterStateRegistryConfig struct {
	// Maximum percentage of unready nodes in total, if the number of unready nodes is higher than OkTotalUnreadyCount.
	MaxTotalUnreadyPercentage float64
	// Minimum number of nodes that must be unready for MaxTotalUnreadyPercentage to apply.
	// This is to ensure that in very small clusters (e.g. 2 nodes) a single node's failure doesn't disable autoscaling.
	OkTotalUnreadyCount int
}

type IncorrectNodeGroupSize struct {
	// ExpectedSize is the size of the node group measured on the cloud provider side.
	ExpectedSize int
	// CurrentSize is the size of the node group measured on the kubernetes side.
	CurrentSize int
	// FirstObserved is the time when the given difference occurred.
	FirstObserved time.Time
}

type NodeGroupScalingSafety struct {
	SafeToScale   bool
	Healthy       bool
	BackoffStatus backoff.Status
}

type Readiness struct {
	// Names of ready nodes.
	Ready []string
	// Names of unready nodes that broke down after they started.
	Unready []string
	// Names of nodes that are being currently deleted. They exist in K8S but
	// are not included in NodeGroup.TargetSize().
	Deleted []string
	// Names of nodes that are not yet fully started.
	NotStarted []string
	// Names of all registered nodes in the group (ready/unready/deleted/etc).
	Registered []string
	// Names of nodes that failed to register within a reasonable limit.
	LongUnregistered []string
	// Names of nodes that haven't yet registered.
	Unregistered []string
	// Time when the readiness was measured.
	Time time.Time
	// Names of nodes that are Unready due to missing resources.
	// This field is only used for exposing information externally and
	// doesn't influence CA behavior.
	ResourceUnready []string
}

type ScaleDownRequest struct {
	// NodeName is the name of the node to be deleted.
	NodeName string
	// NodeGroup is the node group of the deleted node.
	NodeGroup cloudprovider.NodeGroup
	// Time is the time when the node deletion was requested.
	Time time.Time
	// ExpectedDeleteTime is the time when the node is expected to be deleted.
	ExpectedDeleteTime time.Time
}

type ScaleUpFailure struct {
	NodeGroup cloudprovider.NodeGroup
	Reason    metrics.FailedScaleUpReason
	Time      time.Time
}

type ScaleUpRequest struct {
	// NodeGroup is the node group to be scaled up.
	NodeGroup cloudprovider.NodeGroup
	// Time is the time when the request was submitted.
	Time time.Time
	// ExpectedAddTime is the time at which the request should be fulfilled.
	ExpectedAddTime time.Time
	// How much the node group is increased.
	Increase int
}

type UnregisteredNode struct {
	// Node is a dummy node that contains only the name of the node.
	Node *apiv1.Node
	// UnregisteredSince is the time when the node was first spotted.
	UnregisteredSince time.Time
}