prometheus

Documentation

Index

• Constants
• func NewPromQueryBuilder(metric *metricquery.Metric) querybuilder.Builder

Constants

const (
	// WorkloadCpuUsageExprTemplate is used to query workload cpu usage by promql,  param is namespace,workload-name,duration str
	WorkloadCpuUsageExprTemplate = `sum(irate(container_cpu_usage_seconds_total{container!="",image!="",container!="POD",namespace="%s",pod=~"^%s-.*$"}[%s]))`
	// WorkloadMemUsageExprTemplate is used to query workload mem usage by promql, param is namespace, workload-name
	WorkloadMemUsageExprTemplate = `sum(container_memory_working_set_bytes{container!="",image!="",container!="POD",namespace="%s",pod=~"^%s-.*$"})`

	// following is node exporter metric for node cpu/memory usage
	// NodeCpuUsageExprTemplate is used to query node cpu usage by promql,  param is node name which prometheus scrape, duration str
	NodeCpuUsageExprTemplate = `` /* 166-byte string literal not displayed */
	// NodeMemUsageExprTemplate is used to query node cpu memory by promql,  param is node name, node name which prometheus scrape
	NodeMemUsageExprTemplate = `sum(node_memory_MemTotal_bytes{instance=~"(%s)(:\\d+)?"} - node_memory_MemAvailable_bytes{instance=~"(%s)(:\\d+)?"})`

	// PodCpuUsageExprTemplate is used to query pod cpu usage by promql,  param is namespace,pod, duration str
	PodCpuUsageExprTemplate = `sum(irate(container_cpu_usage_seconds_total{container!="POD",namespace="%s",pod="%s"}[%s]))`
	// PodMemUsageExprTemplate is used to query pod cpu usage by promql,  param is namespace,pod
	PodMemUsageExprTemplate = `sum(container_memory_working_set_bytes{container!="POD",namespace="%s",pod="%s"})`

	// ContainerCpuUsageExprTemplate is used to query container cpu usage by promql,  param is namespace,pod,container duration str
	ContainerCpuUsageExprTemplate = `irate(container_cpu_usage_seconds_total{container!="POD",namespace="%s",pod=~"^%s.*$",container="%s"}[%s])`
	// ContainerMemUsageExprTemplate is used to query container cpu usage by promql,  param is namespace,pod,container
	ContainerMemUsageExprTemplate = `container_memory_working_set_bytes{container!="POD",namespace="%s",pod=~"^%s.*$",container="%s"}`
)

todo: later we change these templates to configurable like prometheus-adapter

Functions

func NewPromQueryBuilder

func NewPromQueryBuilder(metric *metricquery.Metric) querybuilder.Builder