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Restore early return for podSpecHasContainer

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This commit is contained in:
Ted Yu
2019-06-26 14:17:11 +08:00
committed by Ted Yu
parent e8738d665b
commit cf7c164ae3
6 changed files with 28 additions and 12 deletions
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18
pkg/apis/core/pods/helpers.go
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@@ -24,20 +24,28 @@ import (
"k8s.io/kubernetes/pkg/fieldpath"
)
// ContainerVisitorWithPath is called with each container and the field.Path to that container
type ContainerVisitorWithPath func(container *api.Container, path *field.Path)
// ContainerVisitorWithPath is called with each container and the field.Path to that container,
// and returns true if visiting should continue.
type ContainerVisitorWithPath func(container *api.Container, path *field.Path) bool
// VisitContainersWithPath invokes the visitor function with a pointer to the spec
// of every container in the given pod spec and the field.Path to that container.
func VisitContainersWithPath(podSpec *api.PodSpec, visitor ContainerVisitorWithPath) {
// If visitor returns false, visiting is short-circuited. VisitContainersWithPath returns true if visiting completes,
// false if visiting was short-circuited.
func VisitContainersWithPath(podSpec *api.PodSpec, visitor ContainerVisitorWithPath) bool {
path := field.NewPath("spec", "initContainers")
for i := range podSpec.InitContainers {
visitor(&podSpec.InitContainers[i], path.Index(i))
if !visitor(&podSpec.InitContainers[i], path.Index(i)) {
return false
}
}
path = field.NewPath("spec", "containers")
for i := range podSpec.Containers {
visitor(&podSpec.Containers[i], path.Index(i))
if !visitor(&podSpec.Containers[i], path.Index(i)) {
return false
}
}
return true
}
// ConvertDownwardAPIFieldLabel converts the specified downward API field label