Add conversion methods between version v1 and v2

Makefile

@@ -118,6 +118,12 @@ clientset_%:
 			--input-dirs "$(GO_PKG)/$(REPO)/api/$*"        \
 			--output-file-base zz_generated.deepcopy
 
+.PHONY: gen-conversion
+gen-conversion:
+	@conversion-gen --go-header-file ./hack/license/go.txt \
+	  --input-dirs ./api/v1 \
+	  -O zz_generated.conversion --output-base "$HOME/go/src/"
+
 # Generate openapi schema
 .PHONY: openapi
 openapi: openapi_v1 openapi_v2

api/v1/conversion.go

@@ -0,0 +1,224 @@
+/*
+Copyright AppsCode Inc. and Contributors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package v1
+
+import (
+	"unsafe"
+
+	v2 "kmodules.xyz/offshoot-api/api/v2"
+
+	core "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/conversion"
+	"k8s.io/apimachinery/pkg/runtime"
+)
+
+func init() {
+	localSchemeBuilder.Register(RegisterConversions)
+}
+
+// RegisterConversions adds conversion functions to the given scheme.
+// Public to allow building arbitrary schemes.
+func RegisterConversions(s *runtime.Scheme) error {
+	if err := s.AddGeneratedConversionFunc((*ObjectMeta)(nil), (*metav1.ObjectMeta)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_v1_ObjectMeta_To_metav1_ObjectMeta(a.(*ObjectMeta), b.(*metav1.ObjectMeta), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddGeneratedConversionFunc((*metav1.ObjectMeta)(nil), (*ObjectMeta)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_metav1_ObjectMeta_To_v1_ObjectMeta(a.(*metav1.ObjectMeta), b.(*ObjectMeta), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddGeneratedConversionFunc((*PodSpec)(nil), (*v2.PodSpec)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_v1_PodSpec_To_v2_PodSpec(a.(*PodSpec), b.(*v2.PodSpec), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddGeneratedConversionFunc((*v2.PodSpec)(nil), (*PodSpec)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_v2_PodSpec_To_v1_PodSpec(a.(*v2.PodSpec), b.(*PodSpec), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddGeneratedConversionFunc((*PodTemplateSpec)(nil), (*v2.PodTemplateSpec)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_v1_PodTemplateSpec_To_v2_PodTemplateSpec(a.(*PodTemplateSpec), b.(*v2.PodTemplateSpec), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddGeneratedConversionFunc((*v2.PodTemplateSpec)(nil), (*PodTemplateSpec)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_v2_PodTemplateSpec_To_v1_PodTemplateSpec(a.(*v2.PodTemplateSpec), b.(*PodTemplateSpec), scope)
+	}); err != nil {
+		return err
+	}
+	return nil
+}
+
+func autoConvert_v1_ObjectMeta_To_metav1_ObjectMeta(in *ObjectMeta, out *metav1.ObjectMeta, s conversion.Scope) error {
+	out.Labels = *(*map[string]string)(unsafe.Pointer(&in.Labels))
+	out.Annotations = *(*map[string]string)(unsafe.Pointer(&in.Annotations))
+	return nil
+}
+
+// Convert_v1_ObjectMeta_To_v1_ObjectMeta is an autogenerated conversion function.
+func Convert_v1_ObjectMeta_To_metav1_ObjectMeta(in *ObjectMeta, out *metav1.ObjectMeta, s conversion.Scope) error {
+	return autoConvert_v1_ObjectMeta_To_metav1_ObjectMeta(in, out, s)
+}
+
+func autoConvert_metav1_ObjectMeta_To_v1_ObjectMeta(in *metav1.ObjectMeta, out *ObjectMeta, s conversion.Scope) error {
+	// WARNING: in.Name requires manual conversion: does not exist in peer-type
+	// WARNING: in.GenerateName requires manual conversion: does not exist in peer-type
+	// WARNING: in.Namespace requires manual conversion: does not exist in peer-type
+	// WARNING: in.SelfLink requires manual conversion: does not exist in peer-type
+	// WARNING: in.UID requires manual conversion: does not exist in peer-type
+	// WARNING: in.ResourceVersion requires manual conversion: does not exist in peer-type
+	// WARNING: in.Generation requires manual conversion: does not exist in peer-type
+	// WARNING: in.CreationTimestamp requires manual conversion: does not exist in peer-type
+	// WARNING: in.DeletionTimestamp requires manual conversion: does not exist in peer-type
+	// WARNING: in.DeletionGracePeriodSeconds requires manual conversion: does not exist in peer-type
+	out.Labels = *(*map[string]string)(unsafe.Pointer(&in.Labels))
+	out.Annotations = *(*map[string]string)(unsafe.Pointer(&in.Annotations))
+	// WARNING: in.OwnerReferences requires manual conversion: does not exist in peer-type
+	// WARNING: in.Finalizers requires manual conversion: does not exist in peer-type
+	// WARNING: in.ManagedFields requires manual conversion: does not exist in peer-type
+	return nil
+}
+
+func Convert_metav1_ObjectMeta_To_v1_ObjectMeta(in *metav1.ObjectMeta, out *ObjectMeta, s conversion.Scope) error {
+	return autoConvert_metav1_ObjectMeta_To_v1_ObjectMeta(in, out, s)
+}
+
+func Convert_v1_PodSpec_To_v2_PodSpec(in *PodSpec, out *v2.PodSpec, s conversion.Scope) error {
+	if in.Volumes != nil {
+		out.Volumes = in.Volumes
+	} else {
+		out.Volumes = nil
+	}
+	out.InitContainers = *(*[]core.Container)(unsafe.Pointer(&in.InitContainers))
+	out.TerminationGracePeriodSeconds = (*int64)(unsafe.Pointer(in.TerminationGracePeriodSeconds))
+	out.DNSPolicy = core.DNSPolicy(in.DNSPolicy)
+	out.NodeSelector = *(*map[string]string)(unsafe.Pointer(&in.NodeSelector))
+	out.ServiceAccountName = in.ServiceAccountName
+	out.HostNetwork = in.HostNetwork
+	out.HostPID = in.HostPID
+	out.HostIPC = in.HostIPC
+	out.ShareProcessNamespace = (*bool)(unsafe.Pointer(in.ShareProcessNamespace))
+	out.SecurityContext = (*core.PodSecurityContext)(unsafe.Pointer(in.SecurityContext))
+	out.ImagePullSecrets = *(*[]core.LocalObjectReference)(unsafe.Pointer(&in.ImagePullSecrets))
+	// WARNING: in.Affinity requires manual conversion: does not exist in peer-type
+	out.SchedulerName = in.SchedulerName
+	out.Tolerations = *(*[]core.Toleration)(unsafe.Pointer(&in.Tolerations))
+	out.PriorityClassName = in.PriorityClassName
+	out.Priority = (*int32)(unsafe.Pointer(in.Priority))
+	out.DNSConfig = (*core.PodDNSConfig)(unsafe.Pointer(in.DNSConfig))
+	out.RuntimeClassName = (*string)(unsafe.Pointer(in.RuntimeClassName))
+	out.EnableServiceLinks = (*bool)(unsafe.Pointer(in.EnableServiceLinks))
+	// WARNING: in.TopologySpreadConstraints requires manual conversion: does not exist in peer-type
+	// manual
+	out.Containers = []core.Container{
+		{
+			Name:            "db",
+			Args:            *(*[]string)(unsafe.Pointer(&in.Args)),
+			Env:             *(*[]core.EnvVar)(unsafe.Pointer(&in.Env)),
+			Resources:       in.Resources,
+			LivenessProbe:   (*core.Probe)(unsafe.Pointer(in.LivenessProbe)),
+			ReadinessProbe:  (*core.Probe)(unsafe.Pointer(in.ReadinessProbe)),
+			Lifecycle:       (*core.Lifecycle)(unsafe.Pointer(in.Lifecycle)),
+			SecurityContext: (*core.SecurityContext)(unsafe.Pointer(in.ContainerSecurityContext)),
+			VolumeMounts:    *(*[]core.VolumeMount)(unsafe.Pointer(&in.VolumeMounts)),
+		},
+	}
+	return nil
+}
+
+func Convert_v2_PodSpec_To_v1_PodSpec(in *v2.PodSpec, out *PodSpec, s conversion.Scope) error {
+	if in.Volumes != nil {
+		out.Volumes = in.Volumes
+	} else {
+		out.Volumes = nil
+	}
+	out.InitContainers = *(*[]core.Container)(unsafe.Pointer(&in.InitContainers))
+	// WARNING: in.Containers requires manual conversion: does not exist in peer-type
+	// WARNING: in.EphemeralContainers requires manual conversion: does not exist in peer-type
+	// WARNING: in.RestartPolicy requires manual conversion: does not exist in peer-type
+	out.TerminationGracePeriodSeconds = (*int64)(unsafe.Pointer(in.TerminationGracePeriodSeconds))
+	// WARNING: in.ActiveDeadlineSeconds requires manual conversion: does not exist in peer-type
+	out.DNSPolicy = core.DNSPolicy(in.DNSPolicy)
+	out.NodeSelector = *(*map[string]string)(unsafe.Pointer(&in.NodeSelector))
+	out.ServiceAccountName = in.ServiceAccountName
+	// WARNING: in.AutomountServiceAccountToken requires manual conversion: does not exist in peer-type
+	// WARNING: in.NodeName requires manual conversion: does not exist in peer-type
+	out.HostNetwork = in.HostNetwork
+	out.HostPID = in.HostPID
+	out.HostIPC = in.HostIPC
+	out.ShareProcessNamespace = (*bool)(unsafe.Pointer(in.ShareProcessNamespace))
+	out.SecurityContext = (*core.PodSecurityContext)(unsafe.Pointer(in.SecurityContext))
+	out.ImagePullSecrets = *(*[]core.LocalObjectReference)(unsafe.Pointer(&in.ImagePullSecrets))
+	out.SchedulerName = in.SchedulerName
+	out.Tolerations = *(*[]core.Toleration)(unsafe.Pointer(&in.Tolerations))
+	// WARNING: in.HostAliases requires manual conversion: does not exist in peer-type
+	out.PriorityClassName = in.PriorityClassName
+	out.Priority = (*int32)(unsafe.Pointer(in.Priority))
+	out.DNSConfig = (*core.PodDNSConfig)(unsafe.Pointer(in.DNSConfig))
+	// WARNING: in.ReadinessGates requires manual conversion: does not exist in peer-type
+	out.RuntimeClassName = (*string)(unsafe.Pointer(in.RuntimeClassName))
+	out.EnableServiceLinks = (*bool)(unsafe.Pointer(in.EnableServiceLinks))
+	// WARNING: in.PreemptionPolicy requires manual conversion: does not exist in peer-type
+	// WARNING: in.Overhead requires manual conversion: does not exist in peer-type
+	// WARNING: in.SetHostnameAsFQDN requires manual conversion: does not exist in peer-type
+	// WARNING: in.OS requires manual conversion: does not exist in peer-type
+	// WARNING: in.HostUsers requires manual conversion: does not exist in peer-type
+	if len(in.Containers) > 0 {
+		c := in.Containers[0]
+		out.Args = *(*[]string)(unsafe.Pointer(&c.Args))
+		out.Env = *(*[]core.EnvVar)(unsafe.Pointer(&c.Env))
+		out.Resources = c.Resources
+		out.LivenessProbe = (*core.Probe)(unsafe.Pointer(c.LivenessProbe))
+		out.ReadinessProbe = (*core.Probe)(unsafe.Pointer(c.ReadinessProbe))
+		out.Lifecycle = (*core.Lifecycle)(unsafe.Pointer(c.Lifecycle))
+		out.ContainerSecurityContext = (*core.SecurityContext)(unsafe.Pointer(c.SecurityContext))
+		out.VolumeMounts = *(*[]core.VolumeMount)(unsafe.Pointer(&c.VolumeMounts))
+	}
+	return nil
+}
+
+func autoConvert_v1_PodTemplateSpec_To_v2_PodTemplateSpec(in *PodTemplateSpec, out *v2.PodTemplateSpec, s conversion.Scope) error {
+	out.ObjectMeta = in.ObjectMeta
+	out.Controller = in.Controller
+	if err := Convert_v1_PodSpec_To_v2_PodSpec(&in.Spec, &out.Spec, s); err != nil {
+		return err
+	}
+	return nil
+}
+
+// Convert_v1_PodTemplateSpec_To_v2_PodTemplateSpec is an autogenerated conversion function.
+func Convert_v1_PodTemplateSpec_To_v2_PodTemplateSpec(in *PodTemplateSpec, out *v2.PodTemplateSpec, s conversion.Scope) error {
+	return autoConvert_v1_PodTemplateSpec_To_v2_PodTemplateSpec(in, out, s)
+}
+
+func autoConvert_v2_PodTemplateSpec_To_v1_PodTemplateSpec(in *v2.PodTemplateSpec, out *PodTemplateSpec, s conversion.Scope) error {
+	out.ObjectMeta = in.ObjectMeta
+	out.Controller = in.Controller
+	if err := Convert_v2_PodSpec_To_v1_PodSpec(&in.Spec, &out.Spec, s); err != nil {
+		return err
+	}
+	return nil
+}
+
+// Convert_v2_PodTemplateSpec_To_v1_PodTemplateSpec is an autogenerated conversion function.
+func Convert_v2_PodTemplateSpec_To_v1_PodTemplateSpec(in *v2.PodTemplateSpec, out *PodTemplateSpec, s conversion.Scope) error {
+	return autoConvert_v2_PodTemplateSpec_To_v1_PodTemplateSpec(in, out, s)
+}

api/v1/doc.go

@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 // +k8s:deepcopy-gen=package
+// +k8s:conversion-gen=kmodules.xyz/offshoot-api/api/v2
 // +k8s:openapi-gen=true
 // +gencrdrefdocs:force=true
 package v1 // import "kmodules.xyz/offshoot-api/api/v1"

api/v1/register.go

@@ -0,0 +1,29 @@
+/*
+Copyright AppsCode Inc. and Contributors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package v1
+
+import (
+	"k8s.io/apimachinery/pkg/runtime"
+)
+
+var (
+	// TODO: move SchemeBuilder with zz_generated.deepcopy.go to k8s.io/api.
+	// localSchemeBuilder and AddToScheme will stay in k8s.io/kubernetes.
+	SchemeBuilder      runtime.SchemeBuilder
+	localSchemeBuilder = &SchemeBuilder
+	AddToScheme        = localSchemeBuilder.AddToScheme
+)

api/v1/types.go

@@ -116,19 +116,16 @@ type PodSpec struct {
 	// Host networking requested for this pod. Use the host's network namespace.
 	// If this option is set, the ports that will be used must be specified.
 	// Default to false.
-	// +k8s:conversion-gen=false
 	// +optional
 	HostNetwork bool `json:"hostNetwork,omitempty"`
 
 	// Use the host's pid namespace.
 	// Optional: Default to false.
-	// +k8s:conversion-gen=false
 	// +optional
 	HostPID bool `json:"hostPID,omitempty"`
 
 	// Use the host's ipc namespace.
 	// Optional: Default to false.
-	// +k8s:conversion-gen=false
 	// +optional
 	HostIPC bool `json:"hostIPC,omitempty"`
 
@@ -137,7 +134,6 @@ type PodSpec struct {
 	// in the same pod, and the first process in each container will not be assigned PID 1.
 	// HostPID and ShareProcessNamespace cannot both be set.
 	// Optional: Default to false.
-	// +k8s:conversion-gen=false
 	// +optional
 	ShareProcessNamespace *bool `json:"shareProcessNamespace,omitempty"`
 

api/v2/types.go

@@ -17,7 +17,7 @@
 package v2
 
 import (
 	v1 "kmodules.xyz/offshoot-api/api/v1"
 
 	core "k8s.io/api/core/v1"
 )
@@ -129,25 +129,21 @@
 	// Host networking requested for this pod. Use the host's network namespace.
 	// If this option is set, the ports that will be used must be specified.
 	// Default to false.
-	// +k8s:conversion-gen=false
 	// +optional
 	HostNetwork bool `json:"hostNetwork,omitempty"`
 	// Use the host's pid namespace.
 	// Optional: Default to false.
-	// +k8s:conversion-gen=false
 	// +optional
 	HostPID bool `json:"hostPID,omitempty"`
 	// Use the host's ipc namespace.
 	// Optional: Default to false.
-	// +k8s:conversion-gen=false
 	// +optional
 	HostIPC bool `json:"hostIPC,omitempty"`
 	// Share a single process namespace between all of the containers in a pod.
 	// When this is set containers will be able to view and signal processes from other containers
 	// in the same pod, and the first process in each container will not be assigned PID 1.
 	// HostPID and ShareProcessNamespace cannot both be set.
 	// Optional: Default to false.
-	// +k8s:conversion-gen=false
 	// +optional
 	ShareProcessNamespace *bool `json:"shareProcessNamespace,omitempty"`
 	// SecurityContext holds pod-level security attributes and common container settings.
@@ -273,7 +269,6 @@
 	// mitigating container breakout vulnerabilities even allowing users to run their
 	// containers as root without actually having root privileges on the host.
 	// This field is alpha-level and is only honored by servers that enable the UserNamespacesSupport feature.
-	// +k8s:conversion-gen=false
 	// +optional
 	HostUsers *bool `json:"hostUsers,omitempty"`
 }

go.mod

@@ -12,13 +12,6 @@ require (
 	kmodules.xyz/client-go v0.29.13
 )
 
-require (
-	github.com/google/pprof v0.0.0-20221118152302-e6195bd50e26 // indirect
-	github.com/imdario/mergo v0.3.16 // indirect
-	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
-	github.com/rogpeppe/go-internal v1.11.0 // indirect
-)
-
 require (
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/emicklei/go-restful/v3 v3.11.0 // indirect
@@ -32,7 +25,9 @@ require (
 	github.com/google/gnostic-models v0.6.8 // indirect
 	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
+	github.com/google/pprof v0.0.0-20221118152302-e6195bd50e26 // indirect
 	github.com/google/uuid v1.6.0 // indirect
+	github.com/imdario/mergo v0.3.16 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/klauspost/cpuid/v2 v2.0.9 // indirect
@@ -44,6 +39,8 @@ require (
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/nxadm/tail v1.4.11 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
+	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
+	github.com/rogpeppe/go-internal v1.11.0 // indirect
 	github.com/sergi/go-diff v1.2.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/yudai/gojsondiff v1.0.0 // indirect