validation.go

Documentation: k8s.io/kubernetes/pkg/apis/coordination/validation

     1  /*
     2  Copyright 2018 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package validation
    18  
    19  import (
    20  	"k8s.io/apimachinery/pkg/api/validation"
    21  	"k8s.io/apimachinery/pkg/util/validation/field"
    22  	"k8s.io/kubernetes/pkg/apis/coordination"
    23  )
    24  
    25  // ValidateLease validates a Lease.
    26  func ValidateLease(lease *coordination.Lease) field.ErrorList {
    27  	allErrs := validation.ValidateObjectMeta(&lease.ObjectMeta, true, validation.NameIsDNSSubdomain, field.NewPath("metadata"))
    28  	allErrs = append(allErrs, ValidateLeaseSpec(&lease.Spec, field.NewPath("spec"))...)
    29  	return allErrs
    30  }
    31  
    32  // ValidateLeaseUpdate validates an update of Lease object.
    33  func ValidateLeaseUpdate(lease, oldLease *coordination.Lease) field.ErrorList {
    34  	allErrs := validation.ValidateObjectMetaUpdate(&lease.ObjectMeta, &oldLease.ObjectMeta, field.NewPath("metadata"))
    35  	allErrs = append(allErrs, ValidateLeaseSpec(&lease.Spec, field.NewPath("spec"))...)
    36  	return allErrs
    37  }
    38  
    39  // ValidateLeaseSpec validates spec of Lease.
    40  func ValidateLeaseSpec(spec *coordination.LeaseSpec, fldPath *field.Path) field.ErrorList {
    41  	allErrs := field.ErrorList{}
    42  
    43  	if spec.LeaseDurationSeconds != nil && *spec.LeaseDurationSeconds <= 0 {
    44  		fld := fldPath.Child("leaseDurationSeconds")
    45  		allErrs = append(allErrs, field.Invalid(fld, spec.LeaseDurationSeconds, "must be greater than 0"))
    46  	}
    47  	if spec.LeaseTransitions != nil && *spec.LeaseTransitions < 0 {
    48  		fld := fldPath.Child("leaseTransitions")
    49  		allErrs = append(allErrs, field.Invalid(fld, spec.LeaseTransitions, "must be greater than or equal to 0"))
    50  	}
    51  	return allErrs
    52  }
    53
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