/* Copyright 2021 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 admission import ( "errors" "fmt" "k8s.io/kubernetes/pkg/kubelet/lifecycle" ) const ( ErrorReasonUnexpected = "UnexpectedAdmissionError" ) type Error interface { Error() string Type() string } type unexpectedAdmissionError struct{ Err error } var _ Error = (*unexpectedAdmissionError)(nil) func (e *unexpectedAdmissionError) Error() string { return fmt.Sprintf("Allocate failed due to %v, which is unexpected", e.Err) } func (e *unexpectedAdmissionError) Type() string { return ErrorReasonUnexpected } func GetPodAdmitResult(err error) lifecycle.PodAdmitResult { if err == nil { return lifecycle.PodAdmitResult{Admit: true} } var admissionErr Error if !errors.As(err, &admissionErr) { admissionErr = &unexpectedAdmissionError{err} } return lifecycle.PodAdmitResult{ Message: admissionErr.Error(), Reason: admissionErr.Type(), Admit: false, } }