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latest.go
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latest.go
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package latest
import (
"strings"
"sync"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/kubernetes/pkg/api"
)
// HACK TO ELIMINATE CYCLES UNTIL WE KILL THIS PACKAGE
// Version is the string that represents the current external default version.
var Version = schema.GroupVersion{Group: "", Version: "v1"}
// OldestVersion is the string that represents the oldest server version supported,
// for client code that wants to hardcode the lowest common denominator.
var OldestVersion = schema.GroupVersion{Group: "", Version: "v1"}
// Versions is the list of versions that are recognized in code. The order provided
// may be assumed to be most preferred to least preferred, and clients may
// choose to prefer the earlier items in the list over the latter items when presented
// with a set of versions to choose.
var Versions = []schema.GroupVersion{
{Group: "authorization.openshift.io", Version: "v1"},
{Group: "build.openshift.io", Version: "v1"},
{Group: "apps.openshift.io", Version: "v1"},
{Group: "template.openshift.io", Version: "v1"},
{Group: "image.openshift.io", Version: "v1"},
{Group: "project.openshift.io", Version: "v1"},
{Group: "user.openshift.io", Version: "v1"},
{Group: "oauth.openshift.io", Version: "v1"},
{Group: "network.openshift.io", Version: "v1"},
{Group: "route.openshift.io", Version: "v1"},
{Group: "quota.openshift.io", Version: "v1"},
{Group: "security.openshift.io", Version: "v1"},
{Group: "", Version: "v1"},
}
// originTypes are the hardcoded types defined by the OpenShift API.
var originTypes map[schema.GroupVersionKind]bool
// originTypesLock allows lazying initialization of originTypes to allow initializers to run before
// loading the map. It means that initializers have to know ahead of time where their type is from,
// but that is not onerous
var originTypesLock sync.Once
// OriginKind returns true if OpenShift owns the GroupVersionKind.
func OriginKind(gvk schema.GroupVersionKind) bool {
return getOrCreateOriginKinds()[gvk]
}
// OriginLegacyKind returns true for OriginKinds which are not in their own api group.
func OriginLegacyKind(gvk schema.GroupVersionKind) bool {
return OriginKind(gvk) && gvk.Group == ""
}
// IsOriginAPIGroup returns true if the provided group name belongs to Origin API.
func IsOriginAPIGroup(groupName string) bool {
for _, v := range Versions {
if v.Group == groupName {
return true
}
}
return false
}
// IsKindInAnyOriginGroup returns true if OpenShift owns the kind described in any apiVersion.
// TODO: this may not work once we divide builds/deployments/images into their own API groups
func IsKindInAnyOriginGroup(kind string) bool {
for _, version := range Versions {
if OriginKind(version.WithKind(kind)) {
return true
}
}
return false
}
func getOrCreateOriginKinds() map[schema.GroupVersionKind]bool {
if originTypes == nil {
originTypesLock.Do(func() {
newOriginTypes := map[schema.GroupVersionKind]bool{}
// enumerate all supported versions, get the kinds, and register with the mapper how to address our resources
for _, version := range Versions {
for kind, t := range api.Scheme.KnownTypes(version) {
// these don't require special handling at the RESTMapping level since they are either "normal" when groupified
// or under /api (not /oapi)
if kind == "SecurityContextConstraints" {
continue
}
if !strings.Contains(t.PkgPath(), "github.com/openshift/origin") || strings.Contains(t.PkgPath(), "github.com/openshift/origin/vendor/") {
continue
}
gvk := version.WithKind(kind)
newOriginTypes[gvk] = true
}
}
originTypes = newOriginTypes
})
return originTypes
}
return originTypes
}