51 lines
1.9 KiB
Go
51 lines
1.9 KiB
Go
/*
|
|
Copyright 2022 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package cel
|
|
|
|
import (
|
|
"k8s.io/api/admissionregistration/v1alpha1"
|
|
"k8s.io/apimachinery/pkg/runtime"
|
|
"k8s.io/apimachinery/pkg/runtime/schema"
|
|
"k8s.io/apiserver/pkg/admission"
|
|
)
|
|
|
|
// Validator defines the func used to validate the cel expressions
|
|
// matchKind provides the GroupVersionKind that the object should be
|
|
// validated by CEL expressions as.
|
|
type Validator interface {
|
|
Validate(a admission.Attributes, o admission.ObjectInterfaces, versionedParams runtime.Object, matchKind schema.GroupVersionKind) ([]policyDecision, error)
|
|
}
|
|
|
|
// ValidatorCompiler is Dependency Injected into the PolicyDefinition's `Compile`
|
|
// function to assist with converting types and values to/from CEL-typed values.
|
|
type ValidatorCompiler interface {
|
|
admission.InitializationValidator
|
|
|
|
// Matches says whether this policy definition matches the provided admission
|
|
// resource request
|
|
DefinitionMatches(a admission.Attributes, o admission.ObjectInterfaces, definition *v1alpha1.ValidatingAdmissionPolicy) (bool, schema.GroupVersionKind, error)
|
|
|
|
// Matches says whether this policy definition matches the provided admission
|
|
// resource request
|
|
BindingMatches(a admission.Attributes, o admission.ObjectInterfaces, definition *v1alpha1.ValidatingAdmissionPolicyBinding) (bool, error)
|
|
|
|
// Compile is used for the cel expression compilation
|
|
Compile(
|
|
policy *v1alpha1.ValidatingAdmissionPolicy,
|
|
) Validator
|
|
}
|