cri-o/server/naming.go

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package server
import (
"fmt"
"strings"
"github.com/docker/docker/pkg/stringid"
pb "k8s.io/kubernetes/pkg/kubelet/apis/cri/v1alpha1/runtime"
)
const (
kubePrefix = "k8s"
infraName = "POD"
nameDelimiter = "_"
)
func makeSandboxName(sandboxConfig *pb.PodSandboxConfig) string {
return strings.Join([]string{
kubePrefix,
sandboxConfig.Metadata.Name,
sandboxConfig.Metadata.Namespace,
sandboxConfig.Metadata.Uid,
fmt.Sprintf("%d", sandboxConfig.Metadata.Attempt),
}, nameDelimiter)
}
func makeSandboxContainerName(sandboxConfig *pb.PodSandboxConfig) string {
return strings.Join([]string{
kubePrefix,
infraName,
sandboxConfig.Metadata.Name,
sandboxConfig.Metadata.Namespace,
sandboxConfig.Metadata.Uid,
fmt.Sprintf("%d", sandboxConfig.Metadata.Attempt),
}, nameDelimiter)
}
func makeContainerName(sandboxMetadata *pb.PodSandboxMetadata, containerConfig *pb.ContainerConfig) string {
return strings.Join([]string{
kubePrefix,
containerConfig.Metadata.Name,
sandboxMetadata.Name,
sandboxMetadata.Namespace,
sandboxMetadata.Uid,
fmt.Sprintf("%d", containerConfig.Metadata.Attempt),
}, nameDelimiter)
}
func (s *Server) generatePodIDandName(sandboxConfig *pb.PodSandboxConfig) (string, string, error) {
var (
err error
id = stringid.GenerateNonCryptoID()
)
if sandboxConfig.Metadata.Namespace == "" {
return "", "", fmt.Errorf("cannot generate pod ID without namespace")
}
name, err := s.ReservePodName(id, makeSandboxName(sandboxConfig))
if err != nil {
return "", "", err
}
return id, name, err
}
func (s *Server) generateContainerIDandNameForSandbox(sandboxConfig *pb.PodSandboxConfig) (string, string, error) {
var (
err error
id = stringid.GenerateNonCryptoID()
)
name, err := s.ReserveContainerName(id, makeSandboxContainerName(sandboxConfig))
if err != nil {
return "", "", err
}
return id, name, err
}
func (s *Server) generateContainerIDandName(sandboxMetadata *pb.PodSandboxMetadata, containerConfig *pb.ContainerConfig) (string, string, error) {
var (
err error
id = stringid.GenerateNonCryptoID()
)
name, err := s.ReserveContainerName(id, makeContainerName(sandboxMetadata, containerConfig))
if err != nil {
return "", "", err
}
return id, name, err
}