/
gatekeeper.go
61 lines (57 loc) · 1.73 KB
/
gatekeeper.go
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//
// Copyright 2020 IBM Corporation
//
// 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 resources
import (
"strings"
apiv1alpha1 "github.com/IBM/integrity-shield/integrity-shield-operator/api/v1alpha1"
"github.com/open-policy-agent/frameworks/constraint/pkg/apis/templates/v1beta1"
extv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
// request handler config
func BuildConstraintTemplateForIShield(cr *apiv1alpha1.IntegrityShield) *v1beta1.ConstraintTemplate {
trueVar := true
crd := v1beta1.CRD{
Spec: v1beta1.CRDSpec{
Names: v1beta1.Names{
Kind: "ManifestIntegrityConstraint",
},
Validation: &v1beta1.Validation{
OpenAPIV3Schema: &extv1.JSONSchemaProps{
XPreserveUnknownFields: &trueVar,
},
},
},
}
rego := strings.Replace(cr.Spec.Rego, "REPLACE_WITH_SERVER_NAMESPSCE", cr.Namespace, 1)
targets := []v1beta1.Target{
{
Target: "admission.k8s.gatekeeper.sh",
Rego: rego,
},
}
template := &v1beta1.ConstraintTemplate{
ObjectMeta: metav1.ObjectMeta{
Name: "manifestintegrityconstraint",
Namespace: cr.Namespace,
},
Spec: v1beta1.ConstraintTemplateSpec{
CRD: crd,
Targets: targets,
},
}
return template
}