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Fixes for the No ref for container in probes after kubelet restart

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This commit is contained in:
Eric Mountain 2019-11-04 10:52:19 +01:00
parent 4e26c35064
commit 4cb28f64ea
1 changed files with 17 additions and 13 deletions
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30
pkg/kubelet/prober/prober.go
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@ -80,6 +80,20 @@ func newProber(
}
}
// recordContainerEvent should be used by the prober for all container related events.
func (pb *prober) recordContainerEvent(pod *v1.Pod, container *v1.Container, containerID kubecontainer.ContainerID, eventType, reason, message string, args ...interface{}) {
var err error
ref, hasRef := pb.refManager.GetRef(containerID)
if !hasRef {
ref, err = kubecontainer.GenerateContainerRef(pod, container)
if err != nil {
klog.Errorf("Can't make a ref to pod %q, container %v: %v", format.Pod(pod), container.Name, err)
return
}
}
pb.recorder.Eventf(ref, eventType, reason, message, args...)
}
// probe probes the container.
func (pb *prober) probe(probeType probeType, pod *v1.Pod, status v1.PodStatus, container v1.Container, containerID kubecontainer.ContainerID) (results.Result, error) {
var probeSpec *v1.Probe
@ -103,27 +117,17 @@ func (pb *prober) probe(probeType probeType, pod *v1.Pod, status v1.PodStatus, c
result, output, err := pb.runProbeWithRetries(probeType, probeSpec, pod, status, container, containerID, maxProbeRetries)
if err != nil || (result != probe.Success && result != probe.Warning) {
// Probe failed in one way or another.
ref, hasRef := pb.refManager.GetRef(containerID)
if !hasRef {
klog.Warningf("No ref for container %q (%s)", containerID.String(), ctrName)
}
if err != nil {
klog.V(1).Infof("%s probe for %q errored: %v", probeType, ctrName, err)
if hasRef {
pb.recorder.Eventf(ref, v1.EventTypeWarning, events.ContainerUnhealthy, "%s probe errored: %v", probeType, err)
}
pb.recordContainerEvent(pod, &container, containerID, v1.EventTypeWarning, events.ContainerUnhealthy, "%s probe errored: %v", probeType, err)
} else { // result != probe.Success
klog.V(1).Infof("%s probe for %q failed (%v): %s", probeType, ctrName, result, output)
if hasRef {
pb.recorder.Eventf(ref, v1.EventTypeWarning, events.ContainerUnhealthy, "%s probe failed: %s", probeType, output)
}
pb.recordContainerEvent(pod, &container, containerID, v1.EventTypeWarning, events.ContainerUnhealthy, "%s probe failed: %v", probeType, output)
}
return results.Failure, err
}
if result == probe.Warning {
if ref, hasRef := pb.refManager.GetRef(containerID); hasRef {
pb.recorder.Eventf(ref, v1.EventTypeWarning, events.ContainerProbeWarning, "%s probe warning: %s", probeType, output)
}
pb.recordContainerEvent(pod, &container, containerID, v1.EventTypeWarning, events.ContainerProbeWarning, "%s probe warning: %v", probeType, output)
klog.V(3).Infof("%s probe for %q succeeded with a warning: %s", probeType, ctrName, output)
} else {
klog.V(3).Infof("%s probe for %q succeeded", probeType, ctrName)