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metrics.go
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/
metrics.go
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// SPDX-License-Identifier: Apache-2.0
// Copyright Authors of Cilium
package metrics
import (
"time"
"github.com/cilium/cilium/pkg/lock"
)
var (
// LastInteraction is the time at which the last apiserver interaction
// occurred
LastInteraction eventTimestamper
// LastSuccessInteraction is the time at which we have received a successful
// k8s apiserver reply (i.e. a response code 2xx or 4xx).
LastSuccessInteraction eventTimestamper
)
type eventTimestamper struct {
timestamp time.Time
lock lock.RWMutex
}
// Reset sets the timestamp to the current time
func (e *eventTimestamper) Reset() {
e.lock.Lock()
e.timestamp = time.Now()
e.lock.Unlock()
}
// Time returns the timestamp as set per Reset()
func (e *eventTimestamper) Time() time.Time {
e.lock.RLock()
t := e.timestamp
e.lock.RUnlock()
return t
}