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Merge pull request #1294 from jimmyseto/master_fix_container_resource…
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…_limits

fix container resource limits metrics, which got dropped btwn 2.0.0-a…
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k8s-ci-robot authored Nov 4, 2020
2 parents b6e67d0 + 122f207 commit 662d59e
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Showing 4 changed files with 46 additions and 16 deletions.
2 changes: 1 addition & 1 deletion docs/pod-metrics.md
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Expand Up @@ -21,7 +21,7 @@
| kube_pod_container_status_ready | Gauge | `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; | STABLE |
| kube_pod_container_status_restarts_total | Counter | `container`=&lt;container-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `pod`=&lt;pod-name&gt; | STABLE |
| kube_pod_container_resource_requests | Gauge | `resource`=&lt;resource-name&gt; <br> `unit`=&lt;resource-unit&gt; <br> `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `node`=&lt; node-name&gt; | EXPERIMENTAL |
| kube_pod_container_resource_limits | Gauge | `resource`=&lt;resource-name&gt; <br> `unit`=&lt;resource-unit&gt; <br> `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; | EXPERIMENTAL |
| kube_pod_container_resource_limits | Gauge | `resource`=&lt;resource-name&gt; <br> `unit`=&lt;resource-unit&gt; <br> `container`=&lt;container-name&gt; <br> `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; <br> `node`=&lt; node-name&gt; | EXPERIMENTAL |
| kube_pod_overhead_cpu_cores | Gauge | `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; | EXPERIMENTAL |
| kube_pod_overhead_memory_bytes | Gauge | `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; | EXPERIMENTAL |
| kube_pod_runtimeclass_name_info | Gauge | `pod`=&lt;pod-name&gt; <br> `namespace`=&lt;pod-namespace&gt; | EXPERIMENTAL |
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44 changes: 31 additions & 13 deletions internal/store/pod.go
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Original file line number Diff line number Diff line change
Expand Up @@ -895,29 +895,47 @@ var (
lim := c.Resources.Limits

for resourceName, val := range lim {
if isHugePageResourceName(resourceName) {
ms = append(ms, &metric.Metric{
LabelValues: []string{c.Name, sanitizeLabelName(string(resourceName)), string(constant.UnitByte)},
Value: float64(val.Value()),
})
}
if isAttachableVolumeResourceName(resourceName) {
switch resourceName {
case v1.ResourceCPU:
ms = append(ms, &metric.Metric{
Value: float64(val.Value()),
LabelValues: []string{c.Name, sanitizeLabelName(string(resourceName)), string(constant.UnitByte)},
LabelValues: []string{c.Name, p.Spec.NodeName, sanitizeLabelName(string(resourceName)), string(constant.UnitCore)},
Value: float64(val.MilliValue()) / 1000,
})
}
if isExtendedResourceName(resourceName) {
case v1.ResourceStorage:
fallthrough
case v1.ResourceEphemeralStorage:
fallthrough
case v1.ResourceMemory:
ms = append(ms, &metric.Metric{
LabelValues: []string{c.Name, p.Spec.NodeName, sanitizeLabelName(string(resourceName)), string(constant.UnitByte)},
Value: float64(val.Value()),
LabelValues: []string{c.Name, sanitizeLabelName(string(resourceName)), string(constant.UnitInteger)},
})
default:
if isHugePageResourceName(resourceName) {
ms = append(ms, &metric.Metric{
LabelValues: []string{c.Name, p.Spec.NodeName, sanitizeLabelName(string(resourceName)), string(constant.UnitByte)},
Value: float64(val.Value()),
})
}
if isAttachableVolumeResourceName(resourceName) {
ms = append(ms, &metric.Metric{
Value: float64(val.Value()),
LabelValues: []string{c.Name, p.Spec.NodeName, sanitizeLabelName(string(resourceName)), string(constant.UnitByte)},
})
}
if isExtendedResourceName(resourceName) {
ms = append(ms, &metric.Metric{
Value: float64(val.Value()),
LabelValues: []string{c.Name, p.Spec.NodeName, sanitizeLabelName(string(resourceName)), string(constant.UnitInteger)},
})

}
}
}
}

for _, metric := range ms {
metric.LabelKeys = []string{"container", "resource", "unit"}
metric.LabelKeys = []string{"container", "node", "resource", "unit"}
}

return &metric.Family{
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8 changes: 7 additions & 1 deletion internal/store/pod_test.go
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Expand Up @@ -1403,7 +1403,13 @@ kube_pod_container_status_last_terminated_reason{container="container7",namespac
# TYPE kube_pod_init_container_resource_requests_memory_bytes gauge
# TYPE kube_pod_init_container_resource_requests_storage_bytes gauge
# TYPE kube_pod_init_container_status_last_terminated_reason gauge
kube_pod_container_resource_limits{container="pod1_con1",namespace="ns1",pod="pod1",resource="nvidia_com_gpu",unit="integer"} 1
kube_pod_container_resource_limits{container="pod1_con1",namespace="ns1",node="",pod="pod1",resource="cpu",unit="core"} 0.2
kube_pod_container_resource_limits{container="pod1_con1",namespace="ns1",node="",pod="pod1",resource="ephemeral_storage",unit="byte"} 3e+08
kube_pod_container_resource_limits{container="pod1_con1",namespace="ns1",node="",pod="pod1",resource="memory",unit="byte"} 1e+08
kube_pod_container_resource_limits{container="pod1_con1",namespace="ns1",node="",pod="pod1",resource="nvidia_com_gpu",unit="integer"} 1
kube_pod_container_resource_limits{container="pod1_con1",namespace="ns1",node="",pod="pod1",resource="storage",unit="byte"} 4e+08
kube_pod_container_resource_limits{container="pod1_con2",namespace="ns1",node="",pod="pod1",resource="cpu",unit="core"} 0.3
kube_pod_container_resource_limits{container="pod1_con2",namespace="ns1",node="",pod="pod1",resource="memory",unit="byte"} 2e+08
kube_pod_container_resource_requests{container="pod1_con1",namespace="ns1",node="",pod="pod1",resource="cpu",unit="core"} 0.2
kube_pod_container_resource_requests{container="pod1_con1",namespace="ns1",node="",pod="pod1",resource="ephemeral_storage",unit="byte"} 3e+08
kube_pod_container_resource_requests{container="pod1_con1",namespace="ns1",node="",pod="pod1",resource="memory",unit="byte"} 1e+08
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8 changes: 7 additions & 1 deletion main_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -266,7 +266,13 @@ func TestFullScrapeCycle(t *testing.T) {
# TYPE kube_pod_status_unschedulable gauge
kube_pod_container_info{namespace="default",pod="pod0",container="container2",image="k8s.gcr.io/hyperkube2",image_id="docker://sha256:bbb",container_id="docker://cd456"} 1
kube_pod_container_info{namespace="default",pod="pod0",container="container3",image="k8s.gcr.io/hyperkube3",image_id="docker://sha256:ccc",container_id="docker://ef789"} 1
kube_pod_container_resource_limits{namespace="default",pod="pod0",container="pod1_con1",resource="nvidia_com_gpu",unit="integer"} 1
kube_pod_container_resource_limits{namespace="default",pod="pod0",container="pod1_con1",node="node1",resource="cpu",unit="core"} 0.2
kube_pod_container_resource_limits{namespace="default",pod="pod0",container="pod1_con1",node="node1",resource="ephemeral_storage",unit="byte"} 3e+08
kube_pod_container_resource_limits{namespace="default",pod="pod0",container="pod1_con1",node="node1",resource="memory",unit="byte"} 1e+08
kube_pod_container_resource_limits{namespace="default",pod="pod0",container="pod1_con1",node="node1",resource="nvidia_com_gpu",unit="integer"} 1
kube_pod_container_resource_limits{namespace="default",pod="pod0",container="pod1_con1",node="node1",resource="storage",unit="byte"} 4e+08
kube_pod_container_resource_limits{namespace="default",pod="pod0",container="pod1_con2",node="node1",resource="cpu",unit="core"} 0.3
kube_pod_container_resource_limits{namespace="default",pod="pod0",container="pod1_con2",node="node1",resource="memory",unit="byte"} 2e+08
kube_pod_container_resource_requests{namespace="default",pod="pod0",container="pod1_con1",node="node1",resource="cpu",unit="core"} 0.2
kube_pod_container_resource_requests{namespace="default",pod="pod0",container="pod1_con1",node="node1",resource="ephemeral_storage",unit="byte"} 3e+08
kube_pod_container_resource_requests{namespace="default",pod="pod0",container="pod1_con1",node="node1",resource="memory",unit="byte"} 1e+08
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