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nonroot.go
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nonroot.go
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package user
import (
"k8s.io/apimachinery/pkg/util/validation/field"
api "k8s.io/kubernetes/pkg/apis/core"
securityapi "github.com/openshift/origin/pkg/security/apis/security"
)
type nonRoot struct{}
var _ RunAsUserSecurityContextConstraintsStrategy = &nonRoot{}
func NewRunAsNonRoot(options *securityapi.RunAsUserStrategyOptions) (RunAsUserSecurityContextConstraintsStrategy, error) {
return &nonRoot{}, nil
}
// Generate creates the uid based on policy rules. This strategy does return a UID. It assumes
// that the user will specify a UID or the container image specifies a UID.
func (s *nonRoot) Generate(pod *api.Pod, container *api.Container) (*int64, error) {
return nil, nil
}
// Validate ensures that the specified values fall within the range of the strategy. Validation
// of this will pass if either the UID is not set, assuming that the image will provided the UID
// or if the UID is set it is not root. In order to work properly this assumes that the kubelet
// will populate an
func (s *nonRoot) Validate(fldPath *field.Path, _ *api.Pod, _ *api.Container, runAsNonRoot *bool, runAsUser *int64) field.ErrorList {
allErrs := field.ErrorList{}
if runAsNonRoot == nil && runAsUser == nil {
allErrs = append(allErrs, field.Required(fldPath.Child("runAsNonRoot"), "must be true"))
return allErrs
}
if runAsNonRoot != nil && *runAsNonRoot == false {
allErrs = append(allErrs, field.Invalid(fldPath.Child("runAsNonRoot"), *runAsNonRoot, "must be true"))
return allErrs
}
if runAsUser != nil && *runAsUser == 0 {
allErrs = append(allErrs, field.Invalid(fldPath.Child("runAsUser"), *runAsUser, "running with the root UID is forbidden"))
return allErrs
}
return allErrs
}