mirror of
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49 lines
1.5 KiB
Go
49 lines
1.5 KiB
Go
package utils
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import (
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"fmt"
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kyvernov1beta1 "github.com/kyverno/kyverno/api/kyverno/v1beta1"
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"github.com/kyverno/kyverno/pkg/clients/dclient"
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"github.com/kyverno/kyverno/pkg/config"
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"github.com/kyverno/kyverno/pkg/engine"
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"github.com/kyverno/kyverno/pkg/userinfo"
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admissionv1 "k8s.io/api/admission/v1"
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rbacv1listers "k8s.io/client-go/listers/rbac/v1"
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)
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type PolicyContextBuilder interface {
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Build(*admissionv1.AdmissionRequest) (*engine.PolicyContext, error)
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}
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type policyContextBuilder struct {
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configuration config.Configuration
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rbLister rbacv1listers.RoleBindingLister
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crbLister rbacv1listers.ClusterRoleBindingLister
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}
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func NewPolicyContextBuilder(
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configuration config.Configuration,
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client dclient.Interface,
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rbLister rbacv1listers.RoleBindingLister,
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crbLister rbacv1listers.ClusterRoleBindingLister,
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) PolicyContextBuilder {
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return &policyContextBuilder{
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configuration: configuration,
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rbLister: rbLister,
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crbLister: crbLister,
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}
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}
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func (b *policyContextBuilder) Build(request *admissionv1.AdmissionRequest) (*engine.PolicyContext, error) {
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userRequestInfo := kyvernov1beta1.RequestInfo{
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AdmissionUserInfo: *request.UserInfo.DeepCopy(),
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}
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if roles, clusterRoles, err := userinfo.GetRoleRef(b.rbLister, b.crbLister, request.UserInfo); err != nil {
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return nil, fmt.Errorf("failed to fetch RBAC information for request: %w", err)
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} else {
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userRequestInfo.Roles = roles
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userRequestInfo.ClusterRoles = clusterRoles
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}
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return engine.NewPolicyContextFromAdmissionRequest(request, userRequestInfo, b.configuration)
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}
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