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.
56 lines
1.3 KiB
Go
56 lines
1.3 KiB
Go
// Copyright 2017 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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"bytes"
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"fmt"
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"os/exec"
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"strconv"
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"syscall"
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)
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// Ping shells out to the `ping` command. Returns nil if successful.
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func Ping(saddr, daddr string, isV6 bool, timeoutSec int) error {
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args := []string{
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"-c", "1",
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"-W", strconv.Itoa(timeoutSec),
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"-I", saddr,
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daddr,
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}
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bin := "ping"
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if isV6 {
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bin = "ping6"
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}
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cmd := exec.Command(bin, args...)
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var stderr bytes.Buffer
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cmd.Stderr = &stderr
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if err := cmd.Run(); err != nil {
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switch e := err.(type) {
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case *exec.ExitError:
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return fmt.Errorf("%v exit status %d: %s",
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args, e.Sys().(syscall.WaitStatus).ExitStatus(),
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stderr.String())
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default:
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return err
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}
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}
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return nil
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}
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