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legacy.go
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legacy.go
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package openshiftapiserver
import (
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/util/sets"
"k8s.io/apiserver/pkg/registry/rest"
"github.com/openshift/origin/pkg/apps/apiserver/registry/deployconfig"
deploymentconfigetcd "github.com/openshift/origin/pkg/apps/apiserver/registry/deployconfig/etcd"
buildetcd "github.com/openshift/origin/pkg/build/apiserver/registry/build/etcd"
buildconfig "github.com/openshift/origin/pkg/build/apiserver/registry/buildconfig"
buildconfigetcd "github.com/openshift/origin/pkg/build/apiserver/registry/buildconfig/etcd"
imagestreametcd "github.com/openshift/origin/pkg/image/apiserver/registry/imagestream/etcd"
routeregistry "github.com/openshift/origin/pkg/route/apiserver/registry/route"
routeetcd "github.com/openshift/origin/pkg/route/apiserver/registry/route/etcd"
)
var (
// originLegacyResources lists all Origin resources that are locked for the legacy v1
// Origin API. This list should not grow.
originLegacyResources = sets.NewString(
"appliedClusterResourceQuotas",
"buildConfigs",
"builds",
"clusterNetworks",
"clusterResourceQuotas",
"clusterRoleBindings",
"clusterRoles",
"deploymentConfigRollbacks",
"deploymentConfigs",
"egressNetworkPolicies",
"groups",
"hostSubnets",
"identities",
"imageStreamImages",
"imageStreamImports",
"imageStreamMappings",
"imageStreamTags",
"imageStreams",
"images",
"imagesignatures",
"localResourceAccessReviews",
"localSubjectAccessReviews",
"netNamespaces",
"oAuthAccessTokens",
"oAuthAuthorizeTokens",
"oAuthClientAuthorizations",
"oAuthClients",
"podSecurityPolicyReviews",
"podSecurityPolicySelfSubjectReviews",
"podSecurityPolicySubjectReviews",
"policies",
"policyBindings",
"processedTemplates",
"projectRequests",
"projects",
"resourceAccessReviews",
"roleBindingRestrictions",
"roleBindings",
"roles",
"routes",
"selfSubjectRulesReviews",
"subjectAccessReviews",
"subjectRulesReviews",
"templates",
"userIdentityMappings",
"users",
)
// originLegacySubresources lists all Origin sub-resources that are locked for the
// legacy v1 Origin API. This list should not grow.
originLegacySubresources = sets.NewString(
"clusterResourceQuotas/status",
"processedTemplates",
"imageStreams/status",
"imageStreams/secrets",
"generateDeploymentConfigs",
"deploymentConfigs/log",
"deploymentConfigs/instantiate",
"deploymentConfigs/scale",
"deploymentConfigs/status",
"deploymentConfigs/rollback",
"routes/status",
"builds/clone",
"builds/log",
"builds/details",
"buildConfigs/webhooks",
"buildConfigs/instantiate",
"buildConfigs/instantiatebinary",
)
)
// LegacyStorage returns a storage for locked legacy types.
func LegacyStorage(storage map[schema.GroupVersion]map[string]rest.Storage) map[string]rest.Storage {
legacyStorage := map[string]rest.Storage{}
for _, gvStorage := range storage {
for resource, s := range gvStorage {
if originLegacyResources.Has(resource) || originLegacySubresources.Has(resource) {
// We want *some* our legacy resources to orphan by default instead of garbage collecting.
// Kube only did this for a select few resources which were controller managed and established links
// via a workload controller. In openshift, these will all conform to registry.Store so we
// can actually wrap the "normal" storage here.
switch storage := s.(type) {
case *buildetcd.REST:
legacyStorage[resource] = &buildetcd.LegacyREST{REST: storage}
case *buildconfigetcd.REST:
store := *storage.Store
store.DeleteStrategy = buildconfig.LegacyStrategy
store.CreateStrategy = buildconfig.LegacyStrategy
legacyStorage[resource] = &buildconfigetcd.LegacyREST{REST: &buildconfigetcd.REST{Store: &store}}
case *deploymentconfigetcd.REST:
store := *storage.Store
store.CreateStrategy = deployconfig.LegacyStrategy
store.DeleteStrategy = deployconfig.LegacyStrategy
legacyStorage[resource] = &deploymentconfigetcd.LegacyREST{REST: &deploymentconfigetcd.REST{Store: &store}}
case *imagestreametcd.REST:
legacyStorage[resource] = &imagestreametcd.LegacyREST{REST: storage}
case *imagestreametcd.LayersREST:
delete(legacyStorage, resource)
case *routeetcd.REST:
store := *storage.Store
store.Decorator = routeregistry.DecorateLegacyRouteWithEmptyDestinationCACertificates
legacyStorage[resource] = &routeetcd.LegacyREST{REST: &routeetcd.REST{Store: &store}}
default:
legacyStorage[resource] = s
}
}
}
}
return legacyStorage
}