github/kubernetes
1
0
Fork 0
mirror of https://github.com/k3s-io/kubernetes.git synced 2025-07-31 23:37:01 +00:00
Code Issues Projects Releases Wiki Activity

Merge pull request #73413 from joejulian/enableservicelinks_segfault

Browse Source 
bug: fix segfault when EnableServiceLinks is nil
This commit is contained in:
Kubernetes Prow Robot 2019-02-04 09:36:31 -08:00 committed by GitHub
commit f52713515b
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
pkg/kubelet/kubelet_pods.go
View File

@ -533,6 +533,10 @@ func (kl *Kubelet) getServiceEnvVarMap(ns string, enableServiceLinks bool) (map[
// Make the environment variables for a pod in the given namespace.
func (kl *Kubelet) makeEnvironmentVariables(pod *v1.Pod, container *v1.Container, podIP string) ([]kubecontainer.EnvVar, error) {
var result []kubecontainer.EnvVar
enableServiceLinks := v1.DefaultEnableServiceLinks
if pod.Spec.EnableServiceLinks != nil {
enableServiceLinks = *pod.Spec.EnableServiceLinks
}
// Note: These are added to the docker Config, but are not included in the checksum computed
// by kubecontainer.HashContainer(...). That way, we can still determine whether an
// v1.Container is already running by its hash. (We don't want to restart a container just
@ -542,7 +546,7 @@ func (kl *Kubelet) makeEnvironmentVariables(pod *v1.Pod, container *v1.Container
// To avoid this users can: (1) wait between starting a service and starting; or (2) detect
// missing service env var and exit and be restarted; or (3) use DNS instead of env vars
// and keep trying to resolve the DNS name of the service (recommended).
serviceEnv, err := kl.getServiceEnvVarMap(pod.Namespace, *pod.Spec.EnableServiceLinks)
serviceEnv, err := kl.getServiceEnvVarMap(pod.Namespace, enableServiceLinks)
if err != nil {
return result, err
}