30c99d17cc
To support CNI spec versioning, plugins must be able to report version information to container runtimes.
43 lines
1.2 KiB
Go
43 lines
1.2 KiB
Go
// Copyright 2016 CNI authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package version
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import (
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"encoding/json"
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"io"
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)
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// A PluginVersioner can encode information about its version
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type PluginVersioner interface {
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Encode(io.Writer) error
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}
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// BasicVersioner is a PluginVersioner which reports a single cniVersion string
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type BasicVersioner struct {
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CNIVersion string `json:"cniVersion"`
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}
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func (p *BasicVersioner) Encode(w io.Writer) error {
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return json.NewEncoder(w).Encode(p)
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}
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// Current reports the version of the CNI spec implemented by this library
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func Current() string {
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return "0.2.0"
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}
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// DefaultPluginVersioner reports the Current library spec version as the cniVersion
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var DefaultPluginVersioner = &BasicVersioner{CNIVersion: Current()}
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