diff options
| -rw-r--r-- | libpod/kube.go | 78 | ||||
| -rw-r--r-- | pkg/domain/infra/abi/generate.go | 3 |
2 files changed, 77 insertions, 4 deletions
diff --git a/libpod/kube.go b/libpod/kube.go index d2ac15749..b34734513 100644 --- a/libpod/kube.go +++ b/libpod/kube.go @@ -166,9 +166,83 @@ func (v *Volume) GenerateForKube() *v1.PersistentVolumeClaim { } } +// YAMLPodSpec represents the same k8s API core PodSpec struct with a small +// change and that is having Containers as a pointer to YAMLContainer. +// Because Go doesn't omit empty struct and we want to omit Status in YAML +// if it's empty. Fixes: GH-11998 +type YAMLPodSpec struct { + v1.PodSpec + Containers []*YAMLContainer `json:"containers"` +} + +// YAMLPod represents the same k8s API core Pod struct with a small +// change and that is having Spec as a pointer to YAMLPodSpec and +// Status as a pointer to k8s API core PodStatus. +// Because Go doesn't omit empty struct and we want to omit Status in YAML +// if it's empty. Fixes: GH-11998 +type YAMLPod struct { + v1.Pod + Spec *YAMLPodSpec `json:"spec,omitempty"` + Status *v1.PodStatus `json:"status,omitempty"` +} + +// YAMLService represents the same k8s API core Service struct with a small +// change and that is having Status as a pointer to k8s API core ServiceStatus. +// Because Go doesn't omit empty struct and we want to omit Status in YAML +// if it's empty. Fixes: GH-11998 +type YAMLService struct { + v1.Service + Status *v1.ServiceStatus `json:"status,omitempty"` +} + +// YAMLContainer represents the same k8s API core Container struct with a small +// change and that is having Resources as a pointer to k8s API core ResourceRequirements. +// Because Go doesn't omit empty struct and we want to omit Status in YAML +// if it's empty. Fixes: GH-11998 +type YAMLContainer struct { + v1.Container + Resources *v1.ResourceRequirements `json:"resources,omitempty"` +} + +// ConvertV1PodToYAMLPod takes k8s API core Pod and returns a pointer to YAMLPod +func ConvertV1PodToYAMLPod(pod *v1.Pod) *YAMLPod { + cs := []*YAMLContainer{} + for _, cc := range pod.Spec.Containers { + var res *v1.ResourceRequirements = nil + if len(cc.Resources.Limits) > 0 || len(cc.Resources.Requests) > 0 { + res = &cc.Resources + } + cs = append(cs, &YAMLContainer{Container: cc, Resources: res}) + } + mpo := &YAMLPod{Pod: *pod} + mpo.Spec = &YAMLPodSpec{PodSpec: (*pod).Spec, Containers: cs} + for _, ctr := range pod.Spec.Containers { + if ctr.SecurityContext == nil || ctr.SecurityContext.SELinuxOptions == nil { + continue + } + selinuxOpts := ctr.SecurityContext.SELinuxOptions + if selinuxOpts.User == "" && selinuxOpts.Role == "" && selinuxOpts.Type == "" && selinuxOpts.Level == "" { + ctr.SecurityContext.SELinuxOptions = nil + } + } + dnsCfg := pod.Spec.DNSConfig + if dnsCfg != nil && (len(dnsCfg.Nameservers)+len(dnsCfg.Searches)+len(dnsCfg.Options) > 0) { + mpo.Spec.DNSConfig = dnsCfg + } + status := pod.Status + if status.Phase != "" || len(status.Conditions) > 0 || + status.Message != "" || status.Reason != "" || + status.NominatedNodeName != "" || status.HostIP != "" || + status.PodIP != "" || status.StartTime != nil || + len(status.InitContainerStatuses) > 0 || len(status.ContainerStatuses) > 0 || status.QOSClass != "" || len(status.EphemeralContainerStatuses) > 0 { + mpo.Status = &status + } + return mpo +} + // GenerateKubeServiceFromV1Pod creates a v1 service object from a v1 pod object -func GenerateKubeServiceFromV1Pod(pod *v1.Pod, servicePorts []v1.ServicePort) v1.Service { - service := v1.Service{} +func GenerateKubeServiceFromV1Pod(pod *v1.Pod, servicePorts []v1.ServicePort) YAMLService { + service := YAMLService{} selector := make(map[string]string) selector["app"] = pod.Labels["app"] ports := servicePorts diff --git a/pkg/domain/infra/abi/generate.go b/pkg/domain/infra/abi/generate.go index 081a2464b..a4d6bcf86 100644 --- a/pkg/domain/infra/abi/generate.go +++ b/pkg/domain/infra/abi/generate.go @@ -124,8 +124,7 @@ func (ic *ContainerEngine) GenerateKube(ctx context.Context, nameOrIDs []string, if err != nil { return nil, err } - - b, err := generateKubeYAML(po) + b, err := generateKubeYAML(libpod.ConvertV1PodToYAMLPod(po)) if err != nil { return nil, err } |