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Merge pull request #120518 from saschagrunert/metrics-container-start

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kubelet: fix metric `container_start_time_seconds` timestamp
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Kubernetes Prow Robot 2023-10-15 07:05:37 +02:00 committed by GitHub
commit 378866edba
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3 changed files with 10 additions and 7 deletions
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3
pkg/kubelet/metrics/collectors/resource_metrics.go
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@ -211,8 +211,7 @@ func (rc *resourceMetricsCollector) collectContainerStartTime(ch chan<- metrics.
return
}
ch <- metrics.NewLazyMetricWithTimestamp(s.StartTime.Time,
metrics.NewLazyConstMetric(containerStartTimeDesc, metrics.GaugeValue, float64(s.StartTime.UnixNano())/float64(time.Second), s.Name, pod.PodRef.Name, pod.PodRef.Namespace))
ch <- metrics.NewLazyConstMetric(containerStartTimeDesc, metrics.GaugeValue, float64(s.StartTime.UnixNano())/float64(time.Second), s.Name, pod.PodRef.Name, pod.PodRef.Namespace)
}
func (rc *resourceMetricsCollector) collectContainerCPUMetrics(ch chan<- metrics.Metric, pod summary.PodStats, s summary.ContainerStats) {

10
pkg/kubelet/metrics/collectors/resource_metrics_test.go
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@ -213,9 +213,9 @@ func TestCollectResourceMetrics(t *testing.T) {
container_memory_working_set_bytes{container="container_b",namespace="namespace_a",pod="pod_a"} 1000 1624396278302
# HELP container_start_time_seconds [STABLE] Start time of the container since unix epoch in seconds
# TYPE container_start_time_seconds gauge
container_start_time_seconds{container="container_a",namespace="namespace_a",pod="pod_a"} 1.6243962483020916e+09 1624396248302
container_start_time_seconds{container="container_a",namespace="namespace_b",pod="pod_b"} 1.6243956783020916e+09 1624395678302
container_start_time_seconds{container="container_b",namespace="namespace_a",pod="pod_a"} 1.6243961583020916e+09 1624396158302
container_start_time_seconds{container="container_a",namespace="namespace_a",pod="pod_a"} 1.6243962483020916e+09
container_start_time_seconds{container="container_a",namespace="namespace_b",pod="pod_b"} 1.6243956783020916e+09
container_start_time_seconds{container="container_b",namespace="namespace_a",pod="pod_a"} 1.6243961583020916e+09
# HELP container_swap_usage_bytes [ALPHA] Current amount of the container swap usage in bytes. Reported only on non-windows systems
# TYPE container_swap_usage_bytes gauge
container_swap_usage_bytes{container="container_a",namespace="namespace_a",pod="pod_a"} 1000 1624396278302
@ -319,8 +319,8 @@ func TestCollectResourceMetrics(t *testing.T) {
container_memory_working_set_bytes{container="container_a",namespace="namespace_b",pod="pod_b"} 1000 1624396278302
# HELP container_start_time_seconds [STABLE] Start time of the container since unix epoch in seconds
# TYPE container_start_time_seconds gauge
container_start_time_seconds{container="container_a",namespace="namespace_a",pod="pod_a"} 1.6243962483020916e+09 1624396248302
container_start_time_seconds{container="container_a",namespace="namespace_b",pod="pod_b"} 1.6243956783020916e+09 1624395678302
container_start_time_seconds{container="container_a",namespace="namespace_a",pod="pod_a"} 1.6243962483020916e+09
container_start_time_seconds{container="container_a",namespace="namespace_b",pod="pod_b"} 1.6243956783020916e+09
# HELP scrape_error [ALPHA] 1 if there was an error while getting container metrics, 0 otherwise
# TYPE scrape_error gauge
scrape_error 0

4
test/e2e_node/resource_metrics_test.go
View File

@ -163,6 +163,10 @@ func boundedSample(lower, upper interface{}) types.GomegaMatcher {
"Metric": gstruct.Ignore(),
"Value": gomega.And(gomega.BeNumerically(">=", lower), gomega.BeNumerically("<=", upper)),
"Timestamp": gomega.WithTransform(func(t model.Time) time.Time {
if t.Unix() <= 0 {
return time.Now()
}
// model.Time is in Milliseconds since epoch
return time.Unix(0, int64(t)*int64(time.Millisecond))
},