mirror of https://github.com/fluxcd/flagger.git
74 lines
1.5 KiB
Go
74 lines
1.5 KiB
Go
package metrics
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import (
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"time"
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)
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var crossoverQueries = map[string]string{
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"request-success-rate": `
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sum(
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rate(
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envoy_cluster_upstream_rq{
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kubernetes_namespace="{{ .Namespace }}",
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envoy_cluster_name=~"{{ .Name }}-canary",
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envoy_response_code!~"5.*"
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}[{{ .Interval }}]
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)
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)
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/
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sum(
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rate(
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envoy_cluster_upstream_rq{
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kubernetes_namespace="{{ .Namespace }}",
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envoy_cluster_name=~"{{ .Name }}-canary"
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}[{{ .Interval }}]
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)
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)
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* 100`,
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"request-duration": `
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histogram_quantile(
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0.99,
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sum(
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rate(
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envoy_cluster_upstream_rq_time_bucket{
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kubernetes_namespace="{{ .Namespace }}",
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envoy_cluster_name=~"{{ .Name }}-canary"
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}[{{ .Interval }}]
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)
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) by (le)
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)`,
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}
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type CrossoverObserver struct {
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client *PrometheusClient
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}
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func (ob *CrossoverObserver) GetRequestSuccessRate(name string, namespace string, interval string) (float64, error) {
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query, err := ob.client.RenderQuery(name, namespace, interval, crossoverQueries["request-success-rate"])
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if err != nil {
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return 0, err
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}
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value, err := ob.client.RunQuery(query)
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if err != nil {
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return 0, err
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}
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return value, nil
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}
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func (ob *CrossoverObserver) GetRequestDuration(name string, namespace string, interval string) (time.Duration, error) {
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query, err := ob.client.RenderQuery(name, namespace, interval, crossoverQueries["request-duration"])
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if err != nil {
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return 0, err
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}
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value, err := ob.client.RunQuery(query)
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if err != nil {
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return 0, err
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}
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ms := time.Duration(int64(value)) * time.Millisecond
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return ms, nil
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}
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