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Expand on the prom query source in comments

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This commit is contained in:
Roland Schilter
2017-07-11 14:13:51 +02:00
parent 5a2593b5eb
commit 86030a9b86
1 changed files with 60 additions and 19 deletions
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79
render/detailed/links.go
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@@ -37,29 +37,70 @@ var (
// Prometheus queries for topologies
topologyQueries = map[string]map[string]*template.Template{
report.Pod: {
// Metric names provided by cAdvisor in kubelet
docker.MemoryUsage: prepareTemplate(`sum(container_memory_usage_bytes{pod_name="{{.Label}}"})`),
docker.CPUTotalUsage: prepareTemplate(`sum(rate(container_cpu_usage_seconds_total{pod_name="{{.Label}}"}[1m]))`),
},
report.ReplicaSet: {
// Metric names provided by cAdvisor in kubelet
docker.MemoryUsage: prepareTemplate(`sum(container_memory_usage_bytes{pod_name=~"{{.Label}}-[^-]+-[^-]"})`),
docker.CPUTotalUsage: prepareTemplate(`sum(rate(container_cpu_usage_seconds_total{pod_name=~"{{.Label}}-[^-]+-[^-]"}[1m]))`),
// `container_memory_usage_bytes` is provided by cAdvisor in Kubelets.
docker.MemoryUsage: parsedTemplate(`sum(container_memory_usage_bytes{pod_name="{{.Label}}"})`),
// `container_cpu_usage_seconds_total` is provided by cAdvisor in Kubelets.
docker.CPUTotalUsage: parsedTemplate(`sum(rate(container_cpu_usage_seconds_total{pod_name="{{.Label}}"}[1m]))`),
},
report.Deployment: {
// Metric names provided by cAdvisor in kubelet
docker.MemoryUsage: prepareTemplate(`sum(container_memory_usage_bytes{pod_name=~"{{.Label}}-[^-]+-[^-]+"})`),
docker.CPUTotalUsage: prepareTemplate(`sum(rate(container_cpu_usage_seconds_total{pod_name=~"{{.Label}}-[^-]+-[^-]+"}[1m]))`),
// `container_memory_usage_bytes` is provided by cAdvisor in Kubelets.
docker.MemoryUsage: parsedTemplate(`sum(container_memory_usage_bytes{pod_name=~"{{.Label}}-[^-]+-[^-]+"})`),
// `container_cpu_usage_seconds_total` is provided by cAdvisor in Kubelets.
docker.CPUTotalUsage: parsedTemplate(`sum(rate(container_cpu_usage_seconds_total{pod_name=~"{{.Label}}-[^-]+-[^-]+"}[1m]))`),
},
report.DaemonSet: {
// Metric names defined as recording rule. Filters by `monitor=""` for cortex-only data.
docker.MemoryUsage: prepareTemplate(`namespace_name:container_memory_usage_bytes:sum{name="{{.Label}}",monitor=""}`),
docker.CPUTotalUsage: prepareTemplate(`namespace_name:container_cpu_usage_seconds_total:sum_rate{name="{{.Label}}"}`),
/*
A recording rule defines `namespace_name:container_memory_usage_bytes:sum`:
namespace_name:container_memory_usage_bytes:sum =
sum by (namespace, name) (
sum(container_memory_usage_bytes{image!=""}) by (pod_name, namespace)
* on (pod_name) group_left(name)
k8s_pod_labels{job="monitoring/kube-api-exporter"}
)
Additionally, we filter by `monitor=""` for cortex-only data.
*/
docker.MemoryUsage: parsedTemplate(`namespace_name:container_memory_usage_bytes:sum{name="{{.Label}}",monitor=""}`),
/*
A recording rule defines `namespace_name:container_cpu_usage_seconds_total:sum_rate`:
namespace_name:container_cpu_usage_seconds_total:sum_rate =
sum by (namespace, name) (
sum(rate(container_cpu_usage_seconds_total{image!=""}[5m])) by (pod_name, namespace)
* on (pod_name) group_left(name)
k8s_pod_labels{job="monitoring/kube-api-exporter"}
)
*/
docker.CPUTotalUsage: parsedTemplate(`namespace_name:container_cpu_usage_seconds_total:sum_rate{name="{{.Label}}"}`),
},
report.Service: {
// Metric names defined as recording rule. Filters by `monitor=""` for cortex-only data.
docker.MemoryUsage: prepareTemplate(`namespace_name:container_memory_usage_bytes:sum{name="{{.Label}}",monitor=""}`),
docker.CPUTotalUsage: prepareTemplate(`namespace_name:container_cpu_usage_seconds_total:sum_rate{name="{{.Label}}"}`),
/*
A recording rule defines `namespace_name:container_memory_usage_bytes:sum`:
namespace_name:container_memory_usage_bytes:sum =
sum by (namespace, name) (
sum(container_memory_usage_bytes{image!=""}) by (pod_name, namespace)
* on (pod_name) group_left(name)
k8s_pod_labels{job="monitoring/kube-api-exporter"}
)
Additionally, we filter by `monitor=""` for cortex-only data.
*/
docker.MemoryUsage: parsedTemplate(`namespace_name:container_memory_usage_bytes:sum{name="{{.Label}}",monitor=""}`),
/*
A recording rule defines `namespace_name:container_cpu_usage_seconds_total:sum_rate`:
namespace_name:container_cpu_usage_seconds_total:sum_rate =
sum by (namespace, name) (
sum(rate(container_cpu_usage_seconds_total{image!=""}[5m])) by (pod_name, namespace)
* on (pod_name) group_left(name)
k8s_pod_labels{job="monitoring/kube-api-exporter"}
)
*/
docker.CPUTotalUsage: parsedTemplate(`namespace_name:container_cpu_usage_seconds_total:sum_rate{name="{{.Label}}"}`),
},
}
)
@@ -163,8 +204,8 @@ func queryParamsAsJSON(query string) (string, error) {
return buf.String(), nil
}
// prepareTemplate initializes unnamed text templates.
func prepareTemplate(query string) *template.Template {
// parsedTemplate initializes unnamed text templates.
func parsedTemplate(query string) *template.Template {
tpl, err := template.New("").Parse(query)
if err != nil {
panic(err)