"fmt"
"math/rand"
"path/filepath"
"golang.org/x/sys/unix"
"github.com/containernetworking/cni/pkg/testhelpers"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Test helper functions", func() {
Describe("MakeNetworkNS", func() {
It("should return the filepath to a network namespace", func() {
containerID := fmt.Sprintf("c-%x", rand.Int31())
nsPath := testhelpers.MakeNetworkNS(containerID)
Expect(nsPath).To(BeAnExistingFile())
testhelpers.RemoveNetworkNS(containerID)
})
It("should return a network namespace different from that of the caller", func() {
containerID := fmt.Sprintf("c-%x", rand.Int31())
By("discovering the inode of the current netns")
originalNetNSPath := currentNetNSPath()
originalNetNSInode, err := testhelpers.GetInode(originalNetNSPath)
Expect(err).NotTo(HaveOccurred())
By("creating a new netns")
"github.com/onsi/gomega/gbytes"
"github.com/onsi/gomega/gexec"
)
var _ = Describe("Loopback", func() {
var (
networkNS string
containerID string
command *exec.Cmd
environ []string
)
BeforeEach(func() {
command = exec.Command(pathToLoPlugin)
containerID = "some-container-id"
networkNS = testhelpers.MakeNetworkNS(containerID)
environ = []string{
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"),
}
command.Stdin = strings.NewReader("this doesn't matter")
})
AfterEach(func() {
Expect(testhelpers.RemoveNetworkNS(networkNS)).To(Succeed())
})