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Fix the error type, Add into observation, Fix tests.

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This commit is contained in:
Cici Huang 2024-07-16 08:27:36 -07:00
parent d61edc51b8
commit b7821078b3
5 changed files with 44 additions and 43 deletions
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13
staging/src/k8s.io/apiserver/pkg/admission/plugin/policy/validating/dispatcher.go
View File

@ -234,13 +234,13 @@ func (c *dispatcher) Dispatch(ctx context.Context, a admission.Attributes, o adm
Binding: binding,
PolicyDecision: decision,
})
celmetrics.Metrics.ObserveRejection(ctx, decision.Elapsed, definition.Name, binding.Name)
celmetrics.Metrics.ObserveRejection(ctx, decision.Elapsed, definition.Name, binding.Name, ErrorType(&decision))
case admissionregistrationv1.Audit:
publishValidationFailureAnnotation(binding, i, decision, versionedAttr)
celmetrics.Metrics.ObserveAudit(ctx, decision.Elapsed, definition.Name, binding.Name)
celmetrics.Metrics.ObserveAudit(ctx, decision.Elapsed, definition.Name, binding.Name, ErrorType(&decision))
case admissionregistrationv1.Warn:
warning.AddWarning(ctx, "", fmt.Sprintf("Validation failed for ValidatingAdmissionPolicy '%s' with binding '%s': %s", definition.Name, binding.Name, decision.Message))
celmetrics.Metrics.ObserveWarn(ctx, decision.Elapsed, definition.Name, binding.Name)
celmetrics.Metrics.ObserveWarn(ctx, decision.Elapsed, definition.Name, binding.Name, ErrorType(&decision))
}
}
default:
@ -259,7 +259,7 @@ func (c *dispatcher) Dispatch(ctx context.Context, a admission.Attributes, o adm
auditAnnotationCollector.add(auditAnnotation.Key, value)
case AuditAnnotationActionError:
// When failurePolicy=fail, audit annotation errors result in deny
deniedDecisions = append(deniedDecisions, policyDecisionWithMetadata{
d := policyDecisionWithMetadata{
Definition: definition,
Binding: binding,
PolicyDecision: PolicyDecision{
@ -268,8 +268,9 @@ func (c *dispatcher) Dispatch(ctx context.Context, a admission.Attributes, o adm
Message: auditAnnotation.Error,
Elapsed: auditAnnotation.Elapsed,
},
})
celmetrics.Metrics.ObserveRejection(ctx, auditAnnotation.Elapsed, definition.Name, binding.Name)
}
deniedDecisions = append(deniedDecisions, d)
celmetrics.Metrics.ObserveRejection(ctx, auditAnnotation.Elapsed, definition.Name, binding.Name, ErrorType(&d.PolicyDecision))
case AuditAnnotationActionExclude: // skip it
default:
return fmt.Errorf("unsupported AuditAnnotation Action: %s", auditAnnotation.Action)

2
staging/src/k8s.io/apiserver/pkg/admission/plugin/policy/validating/errors.go
View File

@ -34,5 +34,5 @@ func ErrorType(decision *PolicyDecision) celmetrics.ValidationErrorType {
if strings.HasPrefix(decision.Message, "validation failed due to running out of cost budget") {
return celmetrics.ValidatingOutOfBudget
}
return celmetrics.ValidatingInternalError
return celmetrics.ValidatingInvalidError
}

2
staging/src/k8s.io/apiserver/pkg/admission/plugin/policy/validating/metrics/errors.go
View File

@ -34,5 +34,5 @@ func ErrorType(err error) ValidationErrorType {
if errors.Is(err, apiservercel.ErrOutOfBudget) {
return ValidatingOutOfBudget
}
return ValidatingInternalError
return ValidatingInvalidError
}

30
staging/src/k8s.io/apiserver/pkg/admission/plugin/policy/validating/metrics/metrics.go
View File

@ -35,9 +35,9 @@ type ValidationErrorType string
const (
// ValidationCompileError indicates that the expression fails to compile.
ValidationCompileError ValidationErrorType = "compile_error"
// ValidatingInternalError indicates that the expression fails due to internal
// ValidatingInvalidError indicates that the expression fails due to internal
// errors that are out of the control of the user.
ValidatingInternalError ValidationErrorType = "internal_error"
ValidatingInvalidError ValidationErrorType = "invalid_error"
// ValidatingOutOfBudget indicates that the expression fails due to running
// out of cost budget, or the budget cannot be obtained.
ValidatingOutOfBudget ValidationErrorType = "out_of_budget"
@ -65,7 +65,7 @@ func newValidationAdmissionMetrics() *ValidatingAdmissionPolicyMetrics {
Help: "Validation admission policy check total, labeled by policy and further identified by binding and enforcement action taken.",
StabilityLevel: metrics.ALPHA,
},
[]string{"policy", "policy_binding", "enforcement_action"},
[]string{"policy", "policy_binding", "error_type", "enforcement_action"},
)
latency := metrics.NewHistogramVec(&metrics.HistogramOpts{
Namespace: metricsNamespace,
@ -83,7 +83,7 @@ func newValidationAdmissionMetrics() *ValidatingAdmissionPolicyMetrics {
Buckets: []float64{0.0000005, 0.001, 0.01, 0.1, 1.0},
StabilityLevel: metrics.ALPHA,
},
[]string{"policy", "policy_binding", "enforcement_action"},
[]string{"policy", "policy_binding", "error_type", "enforcement_action"},
)
legacyregistry.MustRegister(check)
@ -99,24 +99,24 @@ func (m *ValidatingAdmissionPolicyMetrics) Reset() {
// ObserveAdmission observes a policy validation, with an optional error to indicate the error that may occur but ignored.
func (m *ValidatingAdmissionPolicyMetrics) ObserveAdmission(ctx context.Context, elapsed time.Duration, policy, binding string, errorType ValidationErrorType) {
m.policyCheck.WithContext(ctx).WithLabelValues(policy, binding, "allow").Inc()
m.policyLatency.WithContext(ctx).WithLabelValues(policy, binding, "allow").Observe(elapsed.Seconds())
m.policyCheck.WithContext(ctx).WithLabelValues(policy, binding, string(errorType), "allow").Inc()
m.policyLatency.WithContext(ctx).WithLabelValues(policy, binding, string(errorType), "allow").Observe(elapsed.Seconds())
}
// ObserveRejection observes a policy validation error that was at least one of the reasons for a deny.
func (m *ValidatingAdmissionPolicyMetrics) ObserveRejection(ctx context.Context, elapsed time.Duration, policy, binding string) {
m.policyCheck.WithContext(ctx).WithLabelValues(policy, binding, "deny").Inc()
m.policyLatency.WithContext(ctx).WithLabelValues(policy, binding, "deny").Observe(elapsed.Seconds())
func (m *ValidatingAdmissionPolicyMetrics) ObserveRejection(ctx context.Context, elapsed time.Duration, policy, binding string, errorType ValidationErrorType) {
m.policyCheck.WithContext(ctx).WithLabelValues(policy, binding, string(errorType), "deny").Inc()
m.policyLatency.WithContext(ctx).WithLabelValues(policy, binding, string(errorType), "deny").Observe(elapsed.Seconds())
}
// ObserveAudit observes a policy validation audit annotation was published for a validation failure.
func (m *ValidatingAdmissionPolicyMetrics) ObserveAudit(ctx context.Context, elapsed time.Duration, policy, binding string) {
m.policyCheck.WithContext(ctx).WithLabelValues(policy, binding, "audit").Inc()
m.policyLatency.WithContext(ctx).WithLabelValues(policy, binding, "audit").Observe(elapsed.Seconds())
func (m *ValidatingAdmissionPolicyMetrics) ObserveAudit(ctx context.Context, elapsed time.Duration, policy, binding string, errorType ValidationErrorType) {
m.policyCheck.WithContext(ctx).WithLabelValues(policy, binding, string(errorType), "audit").Inc()
m.policyLatency.WithContext(ctx).WithLabelValues(policy, binding, string(errorType), "audit").Observe(elapsed.Seconds())
}
// ObserveWarn observes a policy validation warning was published for a validation failure.
func (m *ValidatingAdmissionPolicyMetrics) ObserveWarn(ctx context.Context, elapsed time.Duration, policy, binding string) {
m.policyCheck.WithContext(ctx).WithLabelValues(policy, binding, "warn").Inc()
m.policyLatency.WithContext(ctx).WithLabelValues(policy, binding, "warn").Observe(elapsed.Seconds())
func (m *ValidatingAdmissionPolicyMetrics) ObserveWarn(ctx context.Context, elapsed time.Duration, policy, binding string, errorType ValidationErrorType) {
m.policyCheck.WithContext(ctx).WithLabelValues(policy, binding, string(errorType), "warn").Inc()
m.policyLatency.WithContext(ctx).WithLabelValues(policy, binding, string(errorType), "warn").Observe(elapsed.Seconds())
}

40
staging/src/k8s.io/apiserver/pkg/admission/plugin/policy/validating/metrics/metrics_test.go
View File

@ -45,20 +45,20 @@ func TestNoUtils(t *testing.T) {
want: `
# HELP apiserver_validating_admission_policy_check_duration_seconds [ALPHA] Validation admission latency for individual validation expressions in seconds, labeled by policy and further including binding and enforcement action taken.
# TYPE apiserver_validating_admission_policy_check_duration_seconds histogram
apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="allow",policy="policy.example.com",policy_binding="binding.example.com",le="0.0000005"} 0
apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="allow",policy="policy.example.com",policy_binding="binding.example.com",le="0.001"} 0
apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="allow",policy="policy.example.com",policy_binding="binding.example.com",le="0.01"} 0
apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="allow",policy="policy.example.com",policy_binding="binding.example.com",le="0.1"} 0
apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="allow",policy="policy.example.com",policy_binding="binding.example.com",le="1"} 0
apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="allow",policy="policy.example.com",policy_binding="binding.example.com",le="+Inf"} 1
apiserver_validating_admission_policy_check_duration_seconds_sum{enforcement_action="allow",policy="policy.example.com",policy_binding="binding.example.com"} 10
apiserver_validating_admission_policy_check_duration_seconds_count{enforcement_action="allow",policy="policy.example.com",policy_binding="binding.example.com"} 1
apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="allow",error_type="invalid_error",policy="policy.example.com",policy_binding="binding.example.com",le="0.0000005"} 0
apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="allow",error_type="invalid_error",policy="policy.example.com",policy_binding="binding.example.com",le="0.001"} 0
apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="allow",error_type="invalid_error",policy="policy.example.com",policy_binding="binding.example.com",le="0.01"} 0
apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="allow",error_type="invalid_error",policy="policy.example.com",policy_binding="binding.example.com",le="0.1"} 0
apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="allow",error_type="invalid_error",policy="policy.example.com",policy_binding="binding.example.com",le="1"} 0
apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="allow",error_type="invalid_error",policy="policy.example.com",policy_binding="binding.example.com",le="+Inf"} 1
apiserver_validating_admission_policy_check_duration_seconds_sum{enforcement_action="allow",error_type="invalid_error",policy="policy.example.com",policy_binding="binding.example.com"} 10
apiserver_validating_admission_policy_check_duration_seconds_count{enforcement_action="allow",error_type="invalid_error",policy="policy.example.com",policy_binding="binding.example.com"} 1
# HELP apiserver_validating_admission_policy_check_total [ALPHA] Validation admission policy check total, labeled by policy and further identified by binding and enforcement action taken.
# TYPE apiserver_validating_admission_policy_check_total counter
apiserver_validating_admission_policy_check_total{enforcement_action="allow",policy="policy.example.com",policy_binding="binding.example.com"} 1
apiserver_validating_admission_policy_check_total{enforcement_action="allow",error_type="invalid_error",policy="policy.example.com",policy_binding="binding.example.com"} 1
`,
observer: func() {
Metrics.ObserveAdmission(context.TODO(), time.Duration(10)*time.Second, "policy.example.com", "binding.example.com")
Metrics.ObserveAdmission(context.TODO(), time.Duration(10)*time.Second, "policy.example.com", "binding.example.com", ValidatingInvalidError)
},
},
{
@ -66,20 +66,20 @@ func TestNoUtils(t *testing.T) {
want: `
# HELP apiserver_validating_admission_policy_check_duration_seconds [ALPHA] Validation admission latency for individual validation expressions in seconds, labeled by policy and further including binding and enforcement action taken.
# TYPE apiserver_validating_admission_policy_check_duration_seconds histogram
apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="deny",policy="policy.example.com",policy_binding="binding.example.com",le="0.0000005"} 0
apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="deny",policy="policy.example.com",policy_binding="binding.example.com",le="0.001"} 0
apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="deny",policy="policy.example.com",policy_binding="binding.example.com",le="0.01"} 0
apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="deny",policy="policy.example.com",policy_binding="binding.example.com",le="0.1"} 0
apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="deny",policy="policy.example.com",policy_binding="binding.example.com",le="1"} 0
apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="deny",policy="policy.example.com",policy_binding="binding.example.com",le="+Inf"} 1
apiserver_validating_admission_policy_check_duration_seconds_sum{enforcement_action="deny",policy="policy.example.com",policy_binding="binding.example.com"} 10
apiserver_validating_admission_policy_check_duration_seconds_count{enforcement_action="deny",policy="policy.example.com",policy_binding="binding.example.com"} 1
apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="deny",error_type="invalid_error",policy="policy.example.com",policy_binding="binding.example.com",le="0.0000005"} 0
apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="deny",error_type="invalid_error",policy="policy.example.com",policy_binding="binding.example.com",le="0.001"} 0
apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="deny",error_type="invalid_error",policy="policy.example.com",policy_binding="binding.example.com",le="0.01"} 0
apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="deny",error_type="invalid_error",policy="policy.example.com",policy_binding="binding.example.com",le="0.1"} 0
apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="deny",error_type="invalid_error",policy="policy.example.com",policy_binding="binding.example.com",le="1"} 0
apiserver_validating_admission_policy_check_duration_seconds_bucket{enforcement_action="deny",error_type="invalid_error",policy="policy.example.com",policy_binding="binding.example.com",le="+Inf"} 1
apiserver_validating_admission_policy_check_duration_seconds_sum{enforcement_action="deny",error_type="invalid_error",policy="policy.example.com",policy_binding="binding.example.com"} 10
apiserver_validating_admission_policy_check_duration_seconds_count{enforcement_action="deny",error_type="invalid_error",policy="policy.example.com",policy_binding="binding.example.com"} 1
# HELP apiserver_validating_admission_policy_check_total [ALPHA] Validation admission policy check total, labeled by policy and further identified by binding and enforcement action taken.
# TYPE apiserver_validating_admission_policy_check_total counter
apiserver_validating_admission_policy_check_total{enforcement_action="deny",policy="policy.example.com",policy_binding="binding.example.com"} 1
apiserver_validating_admission_policy_check_total{enforcement_action="deny",error_type="invalid_error",policy="policy.example.com",policy_binding="binding.example.com"} 1
`,
observer: func() {
Metrics.ObserveRejection(context.TODO(), time.Duration(10)*time.Second, "policy.example.com", "binding.example.com")
Metrics.ObserveRejection(context.TODO(), time.Duration(10)*time.Second, "policy.example.com", "binding.example.com", ValidatingInvalidError)
},
},
}