forked from github/multus-cni
ac21a96804
gomodule is still in progress to migrate for now, hence multus team decide to keep vendor directory to support build without gomodule.
113 lines
3.0 KiB
Go
113 lines
3.0 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 testutils
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import (
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"io/ioutil"
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"os"
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"github.com/containernetworking/cni/pkg/skel"
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"github.com/containernetworking/cni/pkg/types"
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"github.com/containernetworking/cni/pkg/version"
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)
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func envCleanup() {
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os.Unsetenv("CNI_COMMAND")
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os.Unsetenv("CNI_PATH")
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os.Unsetenv("CNI_NETNS")
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os.Unsetenv("CNI_IFNAME")
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os.Unsetenv("CNI_CONTAINERID")
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}
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func CmdAdd(cniNetns, cniContainerID, cniIfname string, conf []byte, f func() error) (types.Result, []byte, error) {
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os.Setenv("CNI_COMMAND", "ADD")
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os.Setenv("CNI_PATH", os.Getenv("PATH"))
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os.Setenv("CNI_NETNS", cniNetns)
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os.Setenv("CNI_IFNAME", cniIfname)
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os.Setenv("CNI_CONTAINERID", cniContainerID)
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defer envCleanup()
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// Redirect stdout to capture plugin result
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oldStdout := os.Stdout
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r, w, err := os.Pipe()
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if err != nil {
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return nil, nil, err
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}
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os.Stdout = w
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err = f()
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w.Close()
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var out []byte
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if err == nil {
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out, err = ioutil.ReadAll(r)
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}
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os.Stdout = oldStdout
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// Return errors after restoring stdout so Ginkgo will correctly
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// emit verbose error information on stdout
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if err != nil {
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return nil, nil, err
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}
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// Plugin must return result in same version as specified in netconf
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versionDecoder := &version.ConfigDecoder{}
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confVersion, err := versionDecoder.Decode(conf)
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if err != nil {
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return nil, nil, err
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}
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result, err := version.NewResult(confVersion, out)
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if err != nil {
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return nil, nil, err
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}
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return result, out, nil
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}
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func CmdAddWithArgs(args *skel.CmdArgs, f func() error) (types.Result, []byte, error) {
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return CmdAdd(args.Netns, args.ContainerID, args.IfName, args.StdinData, f)
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}
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func CmdCheck(cniNetns, cniContainerID, cniIfname string, conf []byte, f func() error) error {
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os.Setenv("CNI_COMMAND", "CHECK")
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os.Setenv("CNI_PATH", os.Getenv("PATH"))
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os.Setenv("CNI_NETNS", cniNetns)
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os.Setenv("CNI_IFNAME", cniIfname)
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os.Setenv("CNI_CONTAINERID", cniContainerID)
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defer envCleanup()
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return f()
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}
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func CmdCheckWithArgs(args *skel.CmdArgs, f func() error) error {
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return CmdCheck(args.Netns, args.ContainerID, args.IfName, args.StdinData, f)
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}
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func CmdDel(cniNetns, cniContainerID, cniIfname string, f func() error) error {
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os.Setenv("CNI_COMMAND", "DEL")
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os.Setenv("CNI_PATH", os.Getenv("PATH"))
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os.Setenv("CNI_NETNS", cniNetns)
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os.Setenv("CNI_IFNAME", cniIfname)
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os.Setenv("CNI_CONTAINERID", cniContainerID)
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defer envCleanup()
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return f()
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}
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func CmdDelWithArgs(args *skel.CmdArgs, f func() error) error {
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return CmdDel(args.Netns, args.ContainerID, args.IfName, f)
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}
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