1e3d680d13
- After creating new netns, switch back to main netns - Lock thread during test and test setup
71 lines
1.5 KiB
Go
71 lines
1.5 KiB
Go
package main_test
|
|
|
|
import (
|
|
"fmt"
|
|
"net"
|
|
"os"
|
|
"os/exec"
|
|
"strings"
|
|
|
|
"github.com/appc/cni/pkg/ns"
|
|
. "github.com/onsi/ginkgo"
|
|
. "github.com/onsi/gomega"
|
|
"github.com/onsi/gomega/gexec"
|
|
)
|
|
|
|
var _ = Describe("Loopback", func() {
|
|
var (
|
|
networkNS string
|
|
containerID string
|
|
command *exec.Cmd
|
|
)
|
|
|
|
BeforeEach(func() {
|
|
command = exec.Command(pathToLoPlugin)
|
|
|
|
environ := os.Environ()
|
|
|
|
containerID = "some-container-id"
|
|
networkNS = makeNetworkNS(containerID)
|
|
|
|
cniEnvVars := []string{
|
|
fmt.Sprintf("CNI_COMMAND=%s", "ADD"),
|
|
fmt.Sprintf("CNI_CONTAINERID=%s", containerID),
|
|
fmt.Sprintf("CNI_NETNS=%s", networkNS),
|
|
fmt.Sprintf("CNI_IFNAME=%s", "this is ignored"),
|
|
fmt.Sprintf("CNI_ARGS=%s", "none"),
|
|
fmt.Sprintf("CNI_PATH=%s", "/some/test/path"),
|
|
}
|
|
|
|
for _, v := range cniEnvVars {
|
|
environ = append(environ, v)
|
|
}
|
|
|
|
command.Env = environ
|
|
command.Stdin = strings.NewReader("this doesn't matter")
|
|
})
|
|
|
|
AfterEach(func() {
|
|
Expect(removeNetworkNS(networkNS)).To(Succeed())
|
|
})
|
|
|
|
Context("when given a network namespace", func() {
|
|
It("sets the lo device to UP", func() {
|
|
session, err := gexec.Start(command, GinkgoWriter, GinkgoWriter)
|
|
Expect(err).NotTo(HaveOccurred())
|
|
|
|
Eventually(session).Should(gexec.Exit(0))
|
|
|
|
var lo *net.Interface
|
|
err = ns.WithNetNSPath(networkNS, true, func(hostNS *os.File) error {
|
|
var err error
|
|
lo, err = net.InterfaceByName("lo")
|
|
return err
|
|
})
|
|
Expect(err).NotTo(HaveOccurred())
|
|
|
|
Expect(lo.Flags & net.FlagUp).To(Equal(net.FlagUp))
|
|
})
|
|
})
|
|
})
|