vitess.io/vitess@v0.16.2/go/vt/topo/k8stopo/version.go (about)

     1  /*
     2  Copyright 2020 The Vitess 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 agreedto 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 k8stopo
    18  
    19  import (
    20  	"fmt"
    21  
    22  	"vitess.io/vitess/go/vt/topo"
    23  )
    24  
    25  // KubernetesVersion is Kubernetes's idea of a version.
    26  // It implements topo.Version.
    27  type KubernetesVersion string
    28  
    29  // String is part of the topo.Version interface.
    30  func (v KubernetesVersion) String() string {
    31  	return string(v)
    32  }
    33  
    34  // VersionFromInt is used by old-style functions to create a proper
    35  // Version: if version is -1, returns nil. Otherwise returns the
    36  // KubernetesVersion object.
    37  func VersionFromInt(version int64) topo.Version {
    38  	if version == -1 {
    39  		return nil
    40  	}
    41  	return KubernetesVersion(fmt.Sprint(version))
    42  }