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fix podman generate kube with HostAliases

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Signed-off-by: zhangguanzhang <zhangguanzhang@qq.com>
This commit is contained in:
zhangguanzhang
2020-08-27 15:45:04 +08:00
parent f99954c7ca
commit a2bb7bd36b
2 changed files with 48 additions and 2 deletions
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18
libpod/kube.go
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@ -48,12 +48,22 @@ func (p *Pod) GenerateForKube() (*v1.Pod, []v1.ServicePort, error) {
return nil, servicePorts, errors.Errorf("pod %s only has an infra container", p.ID())
}
extraHost := make([]v1.HostAlias, 0)
if p.HasInfraContainer() {
infraContainer, err := p.getInfraContainer()
if err != nil {
return nil, servicePorts, err
}
for _, host := range infraContainer.config.ContainerNetworkConfig.HostAdd {
hostSli := strings.SplitN(host, ":", 2)
if len(hostSli) != 2 {
return nil, servicePorts, errors.New("invalid hostAdd")
}
extraHost = append(extraHost, v1.HostAlias{
IP: hostSli[1],
Hostnames: []string{hostSli[0]},
})
}
ports, err = ocicniPortMappingToContainerPort(infraContainer.config.PortMappings)
if err != nil {
return nil, servicePorts, err
@ -61,7 +71,11 @@ func (p *Pod) GenerateForKube() (*v1.Pod, []v1.ServicePort, error) {
servicePorts = containerPortsToServicePorts(ports)
}
pod, err := p.podWithContainers(allContainers, ports)
return pod, servicePorts, err
if err != nil {
return nil, servicePorts, err
}
pod.Spec.HostAliases = extraHost
return pod, servicePorts, nil
}
func (p *Pod) getInfraContainer() (*Container, error) {

32
test/e2e/generate_kube_test.go
View File

@ -151,6 +151,38 @@ var _ = Describe("Podman generate kube", func() {
Expect(numContainers).To(Equal(1))
})
It("podman generate kube on pod with hostAliases", func() {
podName := "testHost"
testIP := "127.0.0.1"
podSession := podmanTest.Podman([]string{"pod", "create", "--name", podName,
"--add-host", "test1.podman.io" + ":" + testIP,
"--add-host", "test2.podman.io" + ":" + testIP,
})
podSession.WaitWithDefaultTimeout()
Expect(podSession.ExitCode()).To(Equal(0))
ctr1Name := "ctr1"
ctr1Session := podmanTest.Podman([]string{"create", "--name", ctr1Name, "--pod", podName, ALPINE, "top"})
ctr1Session.WaitWithDefaultTimeout()
Expect(ctr1Session.ExitCode()).To(Equal(0))
ctr2Name := "ctr2"
ctr2Session := podmanTest.Podman([]string{"create", "--name", ctr2Name, "--pod", podName, ALPINE, "top"})
ctr2Session.WaitWithDefaultTimeout()
Expect(ctr2Session.ExitCode()).To(Equal(0))
kube := podmanTest.Podman([]string{"generate", "kube", podName})
kube.WaitWithDefaultTimeout()
Expect(kube.ExitCode()).To(Equal(0))
pod := new(v1.Pod)
err := yaml.Unmarshal(kube.Out.Contents(), pod)
Expect(err).To(BeNil())
Expect(len(pod.Spec.HostAliases)).To(Equal(2))
Expect(pod.Spec.HostAliases[0].IP).To(Equal(testIP))
Expect(pod.Spec.HostAliases[1].IP).To(Equal(testIP))
})
It("podman generate service kube on pod", func() {
_, rc, _ := podmanTest.CreatePod("toppod")
Expect(rc).To(Equal(0))