health

Documentation

Index

• func GetHealthCheckFunc(gvk schema.GroupVersionKind) func(obj *unstructured.Unstructured) (*HealthStatus, error)
• func IsWorse(current, new HealthStatusCode) bool
• type HealthOverride
• type HealthStatus
  • func GetResourceHealth(obj *unstructured.Unstructured, healthOverride HealthOverride) (health *HealthStatus, err error)
• type HealthStatusCode

Functions

func GetHealthCheckFunc

func GetHealthCheckFunc(gvk schema.GroupVersionKind) func(obj *unstructured.Unstructured) (*HealthStatus, error)

GetHealthCheckFunc returns built-in health check function or nil if health check is not supported

func IsWorse

func IsWorse(current, new HealthStatusCode) bool

IsWorse returns whether or not the new health status code is a worse condition than the current

Types

type HealthOverride

type HealthOverride interface {
	GetResourceHealth(obj *unstructured.Unstructured) (*HealthStatus, error)
}

Implements custom health assessment that overrides built-in assessment

type HealthStatus

type HealthStatus struct {
	Status  HealthStatusCode `json:"status,omitempty"`
	Message string           `json:"message,omitempty"`
}

Holds health assessment results

func GetResourceHealth

func GetResourceHealth(obj *unstructured.Unstructured, healthOverride HealthOverride) (health *HealthStatus, err error)

GetResourceHealth returns the health of a k8s resource

type HealthStatusCode

type HealthStatusCode string

Represents resource health status

const (
	// Indicates that health assessment failed and actual health status is unknown
	HealthStatusUnknown HealthStatusCode = "Unknown"
	// Progressing health status means that resource is not healthy but still have a chance to reach healthy state
	HealthStatusProgressing HealthStatusCode = "Progressing"
	// Resource is 100% healthy
	HealthStatusHealthy HealthStatusCode = "Healthy"
	// Assigned to resources that are suspended or paused. The typical example is a
	// [suspended](https://kubernetes.io/docs/tasks/job/automated-tasks-with-cron-jobs/#suspend) CronJob.
	HealthStatusSuspended HealthStatusCode = "Suspended"
	// Degrade status is used if resource status indicates failure or resource could not reach healthy state
	// within some timeout.
	HealthStatusDegraded HealthStatusCode = "Degraded"
	// Indicates that resource is missing in the cluster.
	HealthStatusMissing HealthStatusCode = "Missing"
)