79 lines
2.2 KiB
Go
79 lines
2.2 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 main
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import (
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"math/rand"
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"net"
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"os/exec"
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"path/filepath"
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"strconv"
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"strings"
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"github.com/containernetworking/plugins/pkg/ns"
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. "github.com/onsi/ginkgo"
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"github.com/onsi/ginkgo/config"
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. "github.com/onsi/gomega"
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"github.com/onsi/gomega/gbytes"
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"github.com/onsi/gomega/gexec"
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"testing"
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)
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func TestPortmap(t *testing.T) {
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rand.Seed(config.GinkgoConfig.RandomSeed)
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RegisterFailHandler(Fail)
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RunSpecs(t, "portmap Suite")
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}
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var echoServerBinaryPath string
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var _ = SynchronizedBeforeSuite(func() []byte {
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binaryPath, err := gexec.Build("github.com/containernetworking/plugins/pkg/testutils/echosvr")
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Expect(err).NotTo(HaveOccurred())
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return []byte(binaryPath)
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}, func(data []byte) {
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echoServerBinaryPath = string(data)
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})
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var _ = SynchronizedAfterSuite(func() {}, func() {
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gexec.CleanupBuildArtifacts()
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})
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func startInNetNS(binPath string, netNS ns.NetNS) (*gexec.Session, error) {
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baseName := filepath.Base(netNS.Path())
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// we are relying on the netNS path living in /var/run/netns
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// where `ip netns exec` can find it
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cmd := exec.Command("ip", "netns", "exec", baseName, binPath)
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session, err := gexec.Start(cmd, GinkgoWriter, GinkgoWriter)
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return session, err
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}
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func StartEchoServerInNamespace(netNS ns.NetNS) (int, *gexec.Session, error) {
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session, err := startInNetNS(echoServerBinaryPath, netNS)
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Expect(err).NotTo(HaveOccurred())
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// wait for it to print it's address on stdout
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Eventually(session.Out).Should(gbytes.Say("\n"))
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_, portString, err := net.SplitHostPort(strings.TrimSpace(string(session.Out.Contents())))
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Expect(err).NotTo(HaveOccurred())
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port, err := strconv.Atoi(portString)
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Expect(err).NotTo(HaveOccurred())
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return port, session, nil
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}
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