diff options
Diffstat (limited to 'libpod/kube.go')
| -rw-r--r-- | libpod/kube.go | 53 |
1 files changed, 39 insertions, 14 deletions
diff --git a/libpod/kube.go b/libpod/kube.go index 3cb0489b3..8c09a6bb5 100644 --- a/libpod/kube.go +++ b/libpod/kube.go @@ -353,6 +353,7 @@ func (p *Pod) podWithContainers(ctx context.Context, containers []*Container, po podInitCtrs := []v1.Container{} podAnnotations := make(map[string]string) dnsInfo := v1.PodDNSConfig{} + var hostname string // Let's sort the containers in order of created time // This will ensure that the init containers are defined in the correct order in the kube yaml @@ -368,6 +369,14 @@ func (p *Pod) podWithContainers(ctx context.Context, containers []*Container, po podAnnotations[k] = TruncateKubeAnnotation(v) } isInit := ctr.IsInitCtr() + // Since hostname is only set at pod level, set the hostname to the hostname of the first container we encounter + if hostname == "" { + // Only set the hostname if it is not set to the truncated container ID, which we do by default if no + // hostname is specified for the container + if !strings.Contains(ctr.ID(), ctr.Hostname()) { + hostname = ctr.Hostname() + } + } ctr, volumes, _, annotations, err := containerToV1Container(ctx, ctr) if err != nil { @@ -377,17 +386,21 @@ func (p *Pod) podWithContainers(ctx context.Context, containers []*Container, po podAnnotations[define.BindMountPrefix+k] = TruncateKubeAnnotation(v) } // Since port bindings for the pod are handled by the - // infra container, wipe them here. - ctr.Ports = nil - - // We add the original port declarations from the libpod infra container - // to the first kubernetes container description because otherwise we loose - // the original container/port bindings. - // Add the port configuration to the first regular container or the first - // init container if only init containers have been created in the pod. - if first && len(ports) > 0 && (!isInit || len(containers) == 2) { - ctr.Ports = ports - first = false + // infra container, wipe them here only if we are sharing the net namespace + // If the network namespace is not being shared in the pod, then containers + // can have their own network configurations + if p.SharesNet() { + ctr.Ports = nil + + // We add the original port declarations from the libpod infra container + // to the first kubernetes container description because otherwise we loose + // the original container/port bindings. + // Add the port configuration to the first regular container or the first + // init container if only init containers have been created in the pod. + if first && len(ports) > 0 && (!isInit || len(containers) == 2) { + ctr.Ports = ports + first = false + } } if isInit { podInitCtrs = append(podInitCtrs, ctr) @@ -430,10 +443,11 @@ func (p *Pod) podWithContainers(ctx context.Context, containers []*Container, po podContainers, podVolumes, &dnsInfo, - hostNetwork), nil + hostNetwork, + hostname), nil } -func newPodObject(podName string, annotations map[string]string, initCtrs, containers []v1.Container, volumes []v1.Volume, dnsOptions *v1.PodDNSConfig, hostNetwork bool) *v1.Pod { +func newPodObject(podName string, annotations map[string]string, initCtrs, containers []v1.Container, volumes []v1.Volume, dnsOptions *v1.PodDNSConfig, hostNetwork bool, hostname string) *v1.Pod { tm := v12.TypeMeta{ Kind: "Pod", APIVersion: "v1", @@ -454,6 +468,7 @@ func newPodObject(podName string, annotations map[string]string, initCtrs, conta } ps := v1.PodSpec{ Containers: containers, + Hostname: hostname, HostNetwork: hostNetwork, InitContainers: initCtrs, Volumes: volumes, @@ -479,6 +494,7 @@ func simplePodWithV1Containers(ctx context.Context, ctrs []*Container) (*v1.Pod, podDNS := v1.PodDNSConfig{} kubeAnnotations := make(map[string]string) ctrNames := make([]string, 0, len(ctrs)) + var hostname string for _, ctr := range ctrs { ctrNames = append(ctrNames, removeUnderscores(ctr.Name())) for k, v := range ctr.config.Spec.Annotations { @@ -491,6 +507,14 @@ func simplePodWithV1Containers(ctx context.Context, ctrs []*Container) (*v1.Pod, } isInit := ctr.IsInitCtr() + // Since hostname is only set at pod level, set the hostname to the hostname of the first container we encounter + if hostname == "" { + // Only set the hostname if it is not set to the truncated container ID, which we do by default if no + // hostname is specified for the container + if !strings.Contains(ctr.ID(), ctr.Hostname()) { + hostname = ctr.Hostname() + } + } if !ctr.HostNetwork() { hostNetwork = false @@ -555,7 +579,8 @@ func simplePodWithV1Containers(ctx context.Context, ctrs []*Container) (*v1.Pod, kubeCtrs, kubeVolumes, &podDNS, - hostNetwork), nil + hostNetwork, + hostname), nil } // containerToV1Container converts information we know about a libpod container |