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metrics.go
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metrics.go
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package engine
import (
"context"
"strings"
"github.com/go-logr/logr"
kyvernov1 "github.com/kyverno/kyverno/api/kyverno/v1"
engineapi "github.com/kyverno/kyverno/pkg/engine/api"
"github.com/kyverno/kyverno/pkg/metrics"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/metric"
)
func (e *engine) reportMetrics(
ctx context.Context,
logger logr.Logger,
operation kyvernov1.AdmissionOperation,
admissionOperation bool,
response engineapi.EngineResponse,
) {
if e.resultCounter == nil && e.durationHistogram == nil {
return
}
policy := response.Policy().AsKyvernoPolicy()
if name, namespace, policyType, backgroundMode, validationMode, err := metrics.GetPolicyInfos(policy); err != nil {
logger.Error(err, "failed to get policy infos for metrics reporting")
} else {
if policyType == metrics.Cluster {
namespace = "-"
}
if !e.metricsConfiguration.CheckNamespace(namespace) {
return
}
resourceSpec := response.Resource
resourceKind := resourceSpec.GetKind()
resourceNamespace := resourceSpec.GetNamespace()
for _, rule := range response.PolicyResponse.Rules {
ruleName := rule.Name()
ruleType := metrics.ParseRuleTypeFromEngineRuleResponse(rule)
var ruleResult metrics.RuleResult
switch rule.Status() {
case engineapi.RuleStatusPass:
ruleResult = metrics.Pass
case engineapi.RuleStatusFail:
ruleResult = metrics.Fail
case engineapi.RuleStatusWarn:
ruleResult = metrics.Warn
case engineapi.RuleStatusError:
ruleResult = metrics.Error
case engineapi.RuleStatusSkip:
ruleResult = metrics.Skip
default:
ruleResult = metrics.Fail
}
executionCause := metrics.AdmissionRequest
if !admissionOperation {
executionCause = metrics.BackgroundScan
}
if e.resultCounter != nil {
commonLabels := []attribute.KeyValue{
attribute.String("policy_validation_mode", string(validationMode)),
attribute.String("policy_type", string(policyType)),
attribute.String("policy_background_mode", string(backgroundMode)),
attribute.String("policy_namespace", namespace),
attribute.String("policy_name", name),
attribute.String("resource_kind", resourceKind),
attribute.String("resource_namespace", resourceNamespace),
attribute.String("resource_request_operation", strings.ToLower(string(operation))),
attribute.String("rule_name", ruleName),
attribute.String("rule_result", string(ruleResult)),
attribute.String("rule_type", string(ruleType)),
attribute.String("rule_execution_cause", string(executionCause)),
}
e.resultCounter.Add(ctx, 1, metric.WithAttributes(commonLabels...))
}
if e.durationHistogram != nil {
commonLabels := []attribute.KeyValue{
attribute.String("policy_validation_mode", string(validationMode)),
attribute.String("policy_type", string(policyType)),
attribute.String("policy_background_mode", string(backgroundMode)),
attribute.String("policy_namespace", namespace),
attribute.String("policy_name", name),
attribute.String("resource_kind", resourceKind),
attribute.String("resource_namespace", resourceNamespace),
attribute.String("resource_request_operation", strings.ToLower(string(operation))),
attribute.String("rule_name", ruleName),
attribute.String("rule_result", string(ruleResult)),
attribute.String("rule_type", string(ruleType)),
attribute.String("rule_execution_cause", string(executionCause)),
}
e.durationHistogram.Record(ctx, rule.Stats().ProcessingTime().Seconds(), metric.WithAttributes(commonLabels...))
}
}
}
}