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fix cpu resource metric type by changing to counter

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This commit is contained in:
David Ashpole 2020-03-26 13:30:36 -07:00
parent 8508875e4d
commit 86192d4b9a
2 changed files with 14 additions and 14 deletions
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8
pkg/kubelet/metrics/collectors/resource_metrics.go
View File

@ -26,7 +26,7 @@ import (
)
var (
nodeCPUUsageDesc = metrics.NewDesc("node_cpu_usage_seconds",
nodeCPUUsageDesc = metrics.NewDesc("node_cpu_usage_seconds_total",
"Cumulative cpu time consumed by the node in core-seconds",
nil,
nil,
@ -40,7 +40,7 @@ var (
metrics.ALPHA,
"")
containerCPUUsageDesc = metrics.NewDesc("container_cpu_usage_seconds",
containerCPUUsageDesc = metrics.NewDesc("container_cpu_usage_seconds_total",
"Cumulative cpu time consumed by the container in core-seconds",
[]string{"container", "pod", "namespace"},
nil,
@ -120,7 +120,7 @@ func (rc *resourceMetricsCollector) collectNodeCPUMetrics(ch chan<- metrics.Metr
}
ch <- metrics.NewLazyMetricWithTimestamp(s.CPU.Time.Time,
metrics.NewLazyConstMetric(nodeCPUUsageDesc, metrics.GaugeValue, float64(*s.CPU.UsageCoreNanoSeconds)/float64(time.Second)))
metrics.NewLazyConstMetric(nodeCPUUsageDesc, metrics.CounterValue, float64(*s.CPU.UsageCoreNanoSeconds)/float64(time.Second)))
}
func (rc *resourceMetricsCollector) collectNodeMemoryMetrics(ch chan<- metrics.Metric, s summary.NodeStats) {
@ -138,7 +138,7 @@ func (rc *resourceMetricsCollector) collectContainerCPUMetrics(ch chan<- metrics
}
ch <- metrics.NewLazyMetricWithTimestamp(s.CPU.Time.Time,
metrics.NewLazyConstMetric(containerCPUUsageDesc, metrics.GaugeValue,
metrics.NewLazyConstMetric(containerCPUUsageDesc, metrics.CounterValue,
float64(*s.CPU.UsageCoreNanoSeconds)/float64(time.Second), s.Name, pod.PodRef.Name, pod.PodRef.Namespace))
}

20
pkg/kubelet/metrics/collectors/resource_metrics_test.go
View File

@ -47,9 +47,9 @@ func TestCollectResourceMetrics(t *testing.T) {
testTime := metav1.NewTime(time.Unix(2, 0)) // a static timestamp: 2000
interestedMetrics := []string{
"scrape_error",
"node_cpu_usage_seconds",
"node_cpu_usage_seconds_total",
"node_memory_working_set_bytes",
"container_cpu_usage_seconds",
"container_cpu_usage_seconds_total",
"container_memory_working_set_bytes",
}
@ -85,9 +85,9 @@ func TestCollectResourceMetrics(t *testing.T) {
},
summaryErr: nil,
expectedMetrics: `
# HELP node_cpu_usage_seconds [ALPHA] Cumulative cpu time consumed by the node in core-seconds
# TYPE node_cpu_usage_seconds gauge
node_cpu_usage_seconds 10 2000
# HELP node_cpu_usage_seconds_total [ALPHA] Cumulative cpu time consumed by the node in core-seconds
# TYPE node_cpu_usage_seconds_total counter
node_cpu_usage_seconds_total 10 2000
# HELP node_memory_working_set_bytes [ALPHA] Current working set of the node in bytes
# TYPE node_memory_working_set_bytes gauge
node_memory_working_set_bytes 1000 2000
@ -156,11 +156,11 @@ func TestCollectResourceMetrics(t *testing.T) {
# HELP scrape_error [ALPHA] 1 if there was an error while getting container metrics, 0 otherwise
# TYPE scrape_error gauge
scrape_error 0
# HELP container_cpu_usage_seconds [ALPHA] Cumulative cpu time consumed by the container in core-seconds
# TYPE container_cpu_usage_seconds gauge
container_cpu_usage_seconds{container="container_a",namespace="namespace_a",pod="pod_a"} 10 2000
container_cpu_usage_seconds{container="container_a",namespace="namespace_b",pod="pod_b"} 10 2000
container_cpu_usage_seconds{container="container_b",namespace="namespace_a",pod="pod_a"} 10 2000
# HELP container_cpu_usage_seconds_total [ALPHA] Cumulative cpu time consumed by the container in core-seconds
# TYPE container_cpu_usage_seconds_total counter
container_cpu_usage_seconds_total{container="container_a",namespace="namespace_a",pod="pod_a"} 10 2000
container_cpu_usage_seconds_total{container="container_a",namespace="namespace_b",pod="pod_b"} 10 2000
container_cpu_usage_seconds_total{container="container_b",namespace="namespace_a",pod="pod_a"} 10 2000
# HELP container_memory_working_set_bytes [ALPHA] Current working set of the container in bytes
# TYPE container_memory_working_set_bytes gauge
container_memory_working_set_bytes{container="container_a",namespace="namespace_a",pod="pod_a"} 1000 2000