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CR: fix prober comment to work with godoc
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FUSAKLA committed Aug 28, 2019
1 parent 60897a8 commit 480fff5
Showing 1 changed file with 13 additions and 14 deletions.
27 changes: 13 additions & 14 deletions pkg/prober/prober.go
Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,19 @@ const (
)

// Prober represents health and readiness status of given component.
//
// From Kubernetes documentation https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-probes/ :
//
// liveness: Many applications running for long periods of time eventually transition to broken states,
// (healthy) and cannot recover except by being restarted.
// Kubernetes provides liveness probes to detect and remedy such situations.
//
// readiness: Sometimes, applications are temporarily unable to serve traffic.
// (ready) For example, an application might need to load large data or configuration files during startup,
// or depend on external services after startup. In such cases, you don’t want to kill the application,
// but you don’t want to send it requests either. Kubernetes provides readiness probes to detect
// and mitigate these situations. A pod with containers reporting that they are not ready
// does not receive traffic through Kubernetes Services.
type Prober struct {
logger log.Logger
component component.Component
Expand All @@ -36,20 +49,6 @@ type Prober struct {
// NewProber returns Prober representing readiness and healthiness of given component.
func NewProber(component component.Component, logger log.Logger, reg prometheus.Registerer) *Prober {
initialErr := fmt.Errorf(initialErrorFmt, component)

// From Kubernetes documentation https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-probes/ :
//
// liveness: Many applications running for long periods of time eventually transition to broken states,
// (healthy) and cannot recover except by being restarted.
// Kubernetes provides liveness probes to detect and remedy such situations.
//
// readiness: Sometimes, applications are temporarily unable to serve traffic.
// (ready) For example, an application might need to load large data or configuration files during startup,
// or depend on external services after startup. In such cases, you don’t want to kill the application,
// but you don’t want to send it requests either. Kubernetes provides readiness probes to detect
// and mitigate these situations. A pod with containers reporting that they are not ready
// does not receive traffic through Kubernetes Services.

p := &Prober{
component: component,
logger: logger,
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