cri-o/vendor/github.com/containernetworking/cni/pkg/version/reconcile.go

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// Copyright 2016 CNI 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 version
import "fmt"
type ErrorIncompatible struct {
Config string
Plugin []string
}
func (e *ErrorIncompatible) Details() string {
return fmt.Sprintf("config is %q, plugin supports %q", e.Config, e.Plugin)
}
func (e *ErrorIncompatible) Error() string {
return fmt.Sprintf("incompatible CNI versions: %s", e.Details())
}
type Reconciler struct{}
func (*Reconciler) Check(configVersion string, pluginInfo PluginInfo) *ErrorIncompatible {
pluginVersions := pluginInfo.SupportedVersions()
for _, pluginVersion := range pluginVersions {
if configVersion == pluginVersion {
return nil
}
}
return &ErrorIncompatible{
Config: configVersion,
Plugin: pluginVersions,
}
}