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kyverno/pkg/metrics/admissionreviewlatency/admissionReviewLatency.go
Yashvardhan Kukreja a931f8f8f5
added: admission_request_timestamp for kyverno_admission_review_latency_milliseconds and a small fix (#1970)
Signed-off-by: Yashvardhan Kukreja <yash.kukreja.98@gmail.com>
2021-06-07 12:53:13 -07:00

71 lines
3.2 KiB
Go

package admissionreviewlatency
import (
"fmt"
kyverno "github.com/kyverno/kyverno/pkg/api/kyverno/v1"
"github.com/kyverno/kyverno/pkg/engine/response"
"github.com/kyverno/kyverno/pkg/metrics"
prom "github.com/prometheus/client_golang/prometheus"
"time"
)
func (pm PromMetrics) registerAdmissionReviewLatencyMetric(
clusterPoliciesCount, namespacedPoliciesCount int,
validateRulesCount, mutateRulesCount, generateRulesCount int,
resourceName, resourceKind, resourceNamespace string,
resourceRequestOperation metrics.ResourceRequestOperation,
admissionRequestLatency float64,
admissionRequestTimestamp int64,
) error {
pm.AdmissionReviewLatency.With(prom.Labels{
"cluster_policies_count": fmt.Sprintf("%d", clusterPoliciesCount),
"namespaced_policies_count": fmt.Sprintf("%d", namespacedPoliciesCount),
"validate_rules_count": fmt.Sprintf("%d", validateRulesCount),
"mutate_rules_count": fmt.Sprintf("%d", mutateRulesCount),
"generate_rules_count": fmt.Sprintf("%d", generateRulesCount),
"resource_name": resourceName,
"resource_kind": resourceKind,
"resource_namespace": resourceNamespace,
"resource_request_operation": string(resourceRequestOperation),
"admission_request_timestamp": fmt.Sprintf("%+v", time.Unix(admissionRequestTimestamp, 0)),
}).Set(admissionRequestLatency)
return nil
}
func (pm PromMetrics) ProcessEngineResponses(engineResponses []*response.EngineResponse, triggeredPolicies []kyverno.ClusterPolicy, admissionReviewLatencyDuration int64, resourceRequestOperation metrics.ResourceRequestOperation, admissionRequestTimestamp int64) error {
if len(engineResponses) == 0 {
return nil
}
resourceName, resourceNamespace, resourceKind := engineResponses[0].PolicyResponse.Resource.Name, engineResponses[0].PolicyResponse.Resource.Namespace, engineResponses[0].PolicyResponse.Resource.Kind
clusterPoliciesCount, namespacedPoliciesCount, totalValidateRulesCount, totalMutateRulesCount, totalGenerateRulesCount := 0, 0, 0, 0, 0
for i, e := range engineResponses {
validateRulesCount, mutateRulesCount, generateRulesCount := 0, 0, 0
for _, rule := range e.PolicyResponse.Rules {
switch rule.Type {
case "Validation":
validateRulesCount++
case "Mutation":
mutateRulesCount++
case "Generation":
generateRulesCount++
}
}
// no rules triggered
if validateRulesCount+mutateRulesCount+generateRulesCount == 0 {
continue
}
if triggeredPolicies[i].Namespace == "" {
clusterPoliciesCount++
} else {
namespacedPoliciesCount++
}
totalValidateRulesCount += validateRulesCount
totalMutateRulesCount += mutateRulesCount
totalGenerateRulesCount += generateRulesCount
}
if totalValidateRulesCount+totalMutateRulesCount+totalGenerateRulesCount == 0 {
return nil
}
admissionReviewLatencyDurationInMs := float64(admissionReviewLatencyDuration) / float64(1000*1000)
return pm.registerAdmissionReviewLatencyMetric(clusterPoliciesCount, namespacedPoliciesCount, totalValidateRulesCount, totalMutateRulesCount, totalGenerateRulesCount, resourceName, resourceKind, resourceNamespace, resourceRequestOperation, admissionReviewLatencyDurationInMs, admissionRequestTimestamp)
}