5835c2bbb1
Plugin can be configured to record all inputs and to respond with arbitrary stdout or error message. Will support upcoming integration testing.
74 lines
1.7 KiB
Go
74 lines
1.7 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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/*
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Noop plugin is a CNI plugin designed for use as a test-double.
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When calling, set the CNI_ARGS env var equal to the path of a file containing
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the JSON encoding of a Debug.
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*/
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package main
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import (
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"errors"
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"fmt"
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"os"
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"strings"
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"github.com/containernetworking/cni/pkg/skel"
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"github.com/containernetworking/cni/plugins/test/noop/debug"
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)
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func debugBehavior(args *skel.CmdArgs, command string) error {
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if !strings.HasPrefix(args.Args, "DEBUG=") {
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fmt.Printf(`{}`)
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os.Stderr.WriteString("CNI_ARGS empty, no debug behavior\n")
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return nil
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}
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debugFilePath := strings.TrimPrefix(args.Args, "DEBUG=")
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debug, err := debug.ReadDebug(debugFilePath)
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if err != nil {
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return err
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}
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debug.CmdArgs = *args
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debug.Command = command
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err = debug.WriteDebug(debugFilePath)
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if err != nil {
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return err
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}
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if debug.ReportError != "" {
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return errors.New(debug.ReportError)
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} else {
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os.Stdout.WriteString(debug.ReportResult)
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}
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return nil
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}
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func cmdAdd(args *skel.CmdArgs) error {
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return debugBehavior(args, "ADD")
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}
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func cmdDel(args *skel.CmdArgs) error {
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return debugBehavior(args, "DEL")
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}
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func main() {
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skel.PluginMain(cmdAdd, cmdDel)
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}
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