Install and codegen support for cluster CRD

Makefile

@@ -45,6 +45,10 @@ all: argocd server
 protogen:
 	./hack/generate-proto.sh
 
+.PHONY: codegen
+codegen: protogen
+	./hack/update-codegen.sh
+
 .PHONY: argocd
 argocd: protogen
 	CGO_ENABLED=0 go build -v -i -ldflags '${LDFLAGS} -extldflags "-static"' -o ${DIST_DIR}/argocd ./cmd/argocd

cmd/argocd/commands/install.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/argoproj/argo-cd/pkg/apis/application"
 	appv1 "github.com/argoproj/argo-cd/pkg/apis/application/v1alpha1"
+	"github.com/argoproj/argo-cd/pkg/apis/cluster"
 	"github.com/ghodss/yaml"
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
@@ -34,7 +35,8 @@ func NewInstallCommand(globalArgs *globalFlags) *cobra.Command {
 		Run: func(c *cobra.Command, args []string) {
 			client := getKubeClient(globalArgs.kubeConfigPath, globalArgs.kubeConfigOverrides)
 			extensionsClient := apiextensionsclient.NewForConfigOrDie(getKubeConfig(globalArgs.kubeConfigPath, globalArgs.kubeConfigOverrides))
-			installCRD(client, extensionsClient, installArgs)
+			installAppCRD(client, extensionsClient, installArgs)
+			installClusterCRD(client, extensionsClient, installArgs)
 		},
 	}
 	command.Flags().BoolVar(&installArgs.DryRun, "dry-run", false, "print the kubernetes manifests to stdout instead of installing")
@@ -42,7 +44,7 @@ func NewInstallCommand(globalArgs *globalFlags) *cobra.Command {
 	return command
 }
 
-func installCRD(clientset *kubernetes.Clientset, extensionsClient *apiextensionsclient.Clientset, args InstallFlags) {
+func installAppCRD(clientset *kubernetes.Clientset, extensionsClient *apiextensionsclient.Clientset, args InstallFlags) {
 	applicationCRD := apiextensionsv1beta1.CustomResourceDefinition{
 		TypeMeta: metav1.TypeMeta{
 			APIVersion: "apiextensions.k8s.io/v1alpha1",
@@ -62,22 +64,47 @@ func installCRD(clientset *kubernetes.Clientset, extensionsClient *apiextensions
 			},
 		},
 	}
-	if args.DryRun {
-		printYAML(applicationCRD)
+	createCRDHelper(clientset, extensionsClient, applicationCRD, args.DryRun)
+}
+
+func installClusterCRD(clientset *kubernetes.Clientset, extensionsClient *apiextensionsclient.Clientset, args InstallFlags) {
+	clusterCRD := apiextensionsv1beta1.CustomResourceDefinition{
+		TypeMeta: metav1.TypeMeta{
+			APIVersion: "apiextensions.k8s.io/v1alpha1",
+			Kind:       "CustomResourceDefinition",
+		},
+		ObjectMeta: metav1.ObjectMeta{
+			Name: cluster.FullName,
+		},
+		Spec: apiextensionsv1beta1.CustomResourceDefinitionSpec{
+			Group:   cluster.Group,
+			Version: appv1.SchemeGroupVersion.Version,
+			Scope:   apiextensionsv1beta1.NamespaceScoped,
+			Names: apiextensionsv1beta1.CustomResourceDefinitionNames{
+				Plural:     cluster.Plural,
+				Kind:       cluster.Kind,
+				ShortNames: []string{cluster.ShortName},
+			},
+		},
+	}
+	createCRDHelper(clientset, extensionsClient, clusterCRD, args.DryRun)
+}
+
+func createCRDHelper(clientset *kubernetes.Clientset, extensionsClient *apiextensionsclient.Clientset, crd apiextensionsv1beta1.CustomResourceDefinition, dryRun bool) {
+	if dryRun {
+		printYAML(crd)
 		return
 	}
-
-	_, err := extensionsClient.ApiextensionsV1beta1().CustomResourceDefinitions().Create(&applicationCRD)
+	_, err := extensionsClient.ApiextensionsV1beta1().CustomResourceDefinitions().Create(&crd)
 	if err != nil {
 		if !apierr.IsAlreadyExists(err) {
 			log.Fatalf("Failed to create CustomResourceDefinition: %v", err)
 		}
-		fmt.Printf("CustomResourceDefinition '%s' already exists\n", application.FullName)
+		fmt.Printf("CustomResourceDefinition '%s' already exists\n", crd.ObjectMeta.Name)
 	}
 	// wait for CRD being established
-	var crd *apiextensionsv1beta1.CustomResourceDefinition
 	err = wait.Poll(500*time.Millisecond, 60*time.Second, func() (bool, error) {
-		crd, err = extensionsClient.ApiextensionsV1beta1().CustomResourceDefinitions().Get(application.FullName, metav1.GetOptions{})
+		_, err = extensionsClient.ApiextensionsV1beta1().CustomResourceDefinitions().Get(crd.ObjectMeta.Name, metav1.GetOptions{})
 		if err != nil {
 			return false, err
 		}

hack/update-codegen.sh

@@ -23,5 +23,5 @@ CODEGEN_PKG=${CODEGEN_PKG:-$(cd ${SCRIPT_ROOT}; ls -d -1 ./vendor/k8s.io/code-ge
 
 ${CODEGEN_PKG}/generate-groups.sh "deepcopy,client,informer,lister" \
   github.com/argoproj/argo-cd/pkg/client github.com/argoproj/argo-cd/pkg/apis \
-  application:v1alpha1 \
+  "application:v1alpha1 cluster:v1alpha1" \
   --go-header-file ${SCRIPT_ROOT}/hack/custom-boilerplate.go.txt

pkg/apis/cluster/register.go

@@ -0,0 +1,11 @@
+package cluster
+
+// Application constants
+const (
+	Kind      string = "Cluster"
+	Group     string = "argoproj.io"
+	Singular  string = "cluster"
+	Plural    string = "clusters"
+	ShortName string = "cluster"
+	FullName  string = Plural + "." + Group
+)

pkg/apis/cluster/v1alpha1/doc.go

@@ -0,0 +1,5 @@
+// Package v1alpha1 is the v1alpha1 version of the API.
+// +groupName=argoproj.io
+// +k8s:deepcopy-gen=package,register
+// +k8s:openapi-gen=true
+package v1alpha1

pkg/apis/cluster/v1alpha1/generated.proto

@@ -11,6 +11,9 @@ import "k8s.io/apimachinery/pkg/apis/meta/v1/generated.proto";
 option go_package = "v1alpha1";
 
 // Cluster is the definition of a cluster resource
+// +genclient
+// +genclient:noStatus
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
 message Cluster {
   optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
 
@@ -18,6 +21,7 @@ message Cluster {
 }
 
 // ClusterList is a collection of Clusters.
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
 message ClusterList {
   optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
 
@@ -26,6 +30,7 @@ message ClusterList {
 
 // ClusterSpec is the cluster specification
 message ClusterSpec {
+  // Server is the API server URL of the Kubernetes cluster
   optional string server = 1;
 }
 

pkg/apis/cluster/v1alpha1/types.go

@@ -5,20 +5,25 @@ import (
 )
 
 // Cluster is the definition of a cluster resource
+// +genclient
+// +genclient:noStatus
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
 type Cluster struct {
 	metav1.TypeMeta   `json:",inline"`
 	metav1.ObjectMeta `json:"metadata" protobuf:"bytes,1,opt,name=metadata"`
 	Spec              ClusterSpec `json:"spec" protobuf:"bytes,2,opt,name=spec"`
 }
 
-// ClusterSpec is the cluster specification
-type ClusterSpec struct {
-	Server string `json:"server" protobuf:"bytes,1,req,name=server"`
-}
-
 // ClusterList is a collection of Clusters.
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
 type ClusterList struct {
 	metav1.TypeMeta `json:",inline"`
 	metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
 	Items           []Cluster `json:"items" protobuf:"bytes,2,rep,name=items"`
 }
+
+// ClusterSpec is the cluster specification
+type ClusterSpec struct {
+	// Server is the API server URL of the Kubernetes cluster
+	Server string `json:"server" protobuf:"bytes,1,req,name=server"`
+}

pkg/apis/cluster/v1alpha1/zz_generated.deepcopy.go

@@ -0,0 +1,85 @@
+// +build !ignore_autogenerated
+
+// This file was autogenerated by deepcopy-gen. Do not edit it manually!
+
+package v1alpha1
+
+import (
+	runtime "k8s.io/apimachinery/pkg/runtime"
+)
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *Cluster) DeepCopyInto(out *Cluster) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
+	out.Spec = in.Spec
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Cluster.
+func (in *Cluster) DeepCopy() *Cluster {
+	if in == nil {
+		return nil
+	}
+	out := new(Cluster)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *Cluster) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ClusterList) DeepCopyInto(out *ClusterList) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	out.ListMeta = in.ListMeta
+	if in.Items != nil {
+		in, out := &in.Items, &out.Items
+		*out = make([]Cluster, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ClusterList.
+func (in *ClusterList) DeepCopy() *ClusterList {
+	if in == nil {
+		return nil
+	}
+	out := new(ClusterList)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *ClusterList) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ClusterSpec) DeepCopyInto(out *ClusterSpec) {
+	*out = *in
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ClusterSpec.
+func (in *ClusterSpec) DeepCopy() *ClusterSpec {
+	if in == nil {
+		return nil
+	}
+	out := new(ClusterSpec)
+	in.DeepCopyInto(out)
+	return out
+}

pkg/client/clientset/versioned/clientset.go

@@ -2,6 +2,7 @@ package versioned
 
 import (
 	argoprojv1alpha1 "github.com/argoproj/argo-cd/pkg/client/clientset/versioned/typed/application/v1alpha1"
+	argoprojv1alpha1 "github.com/argoproj/argo-cd/pkg/client/clientset/versioned/typed/cluster/v1alpha1"
 	glog "github.com/golang/glog"
 	discovery "k8s.io/client-go/discovery"
 	rest "k8s.io/client-go/rest"
@@ -13,6 +14,9 @@ type Interface interface {
 	ArgoprojV1alpha1() argoprojv1alpha1.ArgoprojV1alpha1Interface
 	// Deprecated: please explicitly pick a version if possible.
 	Argoproj() argoprojv1alpha1.ArgoprojV1alpha1Interface
+	ArgoprojV1alpha1() argoprojv1alpha1.ArgoprojV1alpha1Interface
+	// Deprecated: please explicitly pick a version if possible.
+	Argoproj() argoprojv1alpha1.ArgoprojV1alpha1Interface
 }
 
 // Clientset contains the clients for groups. Each group has exactly one
@@ -20,6 +24,18 @@ type Interface interface {
 type Clientset struct {
 	*discovery.DiscoveryClient
 	argoprojV1alpha1 *argoprojv1alpha1.ArgoprojV1alpha1Client
+	argoprojV1alpha1 *argoprojv1alpha1.ArgoprojV1alpha1Client
+}
+
+// ArgoprojV1alpha1 retrieves the ArgoprojV1alpha1Client
+func (c *Clientset) ArgoprojV1alpha1() argoprojv1alpha1.ArgoprojV1alpha1Interface {
+	return c.argoprojV1alpha1
+}
+
+// Deprecated: Argoproj retrieves the default version of ArgoprojClient.
+// Please explicitly pick a version.
+func (c *Clientset) Argoproj() argoprojv1alpha1.ArgoprojV1alpha1Interface {
+	return c.argoprojV1alpha1
 }
 
 // ArgoprojV1alpha1 retrieves the ArgoprojV1alpha1Client
@@ -53,6 +69,10 @@ func NewForConfig(c *rest.Config) (*Clientset, error) {
 	if err != nil {
 		return nil, err
 	}
+	cs.argoprojV1alpha1, err = argoprojv1alpha1.NewForConfig(&configShallowCopy)
+	if err != nil {
+		return nil, err
+	}
 
 	cs.DiscoveryClient, err = discovery.NewDiscoveryClientForConfig(&configShallowCopy)
 	if err != nil {
@@ -67,6 +87,7 @@ func NewForConfig(c *rest.Config) (*Clientset, error) {
 func NewForConfigOrDie(c *rest.Config) *Clientset {
 	var cs Clientset
 	cs.argoprojV1alpha1 = argoprojv1alpha1.NewForConfigOrDie(c)
+	cs.argoprojV1alpha1 = argoprojv1alpha1.NewForConfigOrDie(c)
 
 	cs.DiscoveryClient = discovery.NewDiscoveryClientForConfigOrDie(c)
 	return &cs
@@ -76,6 +97,7 @@ func NewForConfigOrDie(c *rest.Config) *Clientset {
 func New(c rest.Interface) *Clientset {
 	var cs Clientset
 	cs.argoprojV1alpha1 = argoprojv1alpha1.New(c)
+	cs.argoprojV1alpha1 = argoprojv1alpha1.New(c)
 
 	cs.DiscoveryClient = discovery.NewDiscoveryClient(c)
 	return &cs

pkg/client/clientset/versioned/fake/clientset_generated.go

@@ -4,6 +4,8 @@ import (
 	clientset "github.com/argoproj/argo-cd/pkg/client/clientset/versioned"
 	argoprojv1alpha1 "github.com/argoproj/argo-cd/pkg/client/clientset/versioned/typed/application/v1alpha1"
 	fakeargoprojv1alpha1 "github.com/argoproj/argo-cd/pkg/client/clientset/versioned/typed/application/v1alpha1/fake"
+	argoprojv1alpha1 "github.com/argoproj/argo-cd/pkg/client/clientset/versioned/typed/cluster/v1alpha1"
+	fakeargoprojv1alpha1 "github.com/argoproj/argo-cd/pkg/client/clientset/versioned/typed/cluster/v1alpha1/fake"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/watch"
 	"k8s.io/client-go/discovery"
@@ -53,3 +55,13 @@ func (c *Clientset) ArgoprojV1alpha1() argoprojv1alpha1.ArgoprojV1alpha1Interfac
 func (c *Clientset) Argoproj() argoprojv1alpha1.ArgoprojV1alpha1Interface {
 	return &fakeargoprojv1alpha1.FakeArgoprojV1alpha1{Fake: &c.Fake}
 }
+
+// ArgoprojV1alpha1 retrieves the ArgoprojV1alpha1Client
+func (c *Clientset) ArgoprojV1alpha1() argoprojv1alpha1.ArgoprojV1alpha1Interface {
+	return &fakeargoprojv1alpha1.FakeArgoprojV1alpha1{Fake: &c.Fake}
+}
+
+// Argoproj retrieves the ArgoprojV1alpha1Client
+func (c *Clientset) Argoproj() argoprojv1alpha1.ArgoprojV1alpha1Interface {
+	return &fakeargoprojv1alpha1.FakeArgoprojV1alpha1{Fake: &c.Fake}
+}

pkg/client/clientset/versioned/fake/register.go

@@ -33,5 +33,6 @@ func init() {
 // correctly.
 func AddToScheme(scheme *runtime.Scheme) {
 	argoprojv1alpha1.AddToScheme(scheme)
+	argoprojv1alpha1.AddToScheme(scheme)
 
 }

pkg/client/clientset/versioned/scheme/register.go

@@ -33,5 +33,6 @@ func init() {
 // correctly.
 func AddToScheme(scheme *runtime.Scheme) {
 	argoprojv1alpha1.AddToScheme(scheme)
+	argoprojv1alpha1.AddToScheme(scheme)
 
 }

pkg/client/clientset/versioned/typed/application/v1alpha1/application_client.go

@@ -1 +1,67 @@
 package v1alpha1
+
+import (
+	v1alpha1 "github.com/argoproj/argo-cd/pkg/apis/application/v1alpha1"
+	"github.com/argoproj/argo-cd/pkg/client/clientset/versioned/scheme"
+	serializer "k8s.io/apimachinery/pkg/runtime/serializer"
+	rest "k8s.io/client-go/rest"
+)
+
+type ArgoprojV1alpha1Interface interface {
+	RESTClient() rest.Interface
+}
+
+// ArgoprojV1alpha1Client is used to interact with features provided by the argoproj.io group.
+type ArgoprojV1alpha1Client struct {
+	restClient rest.Interface
+}
+
+// NewForConfig creates a new ArgoprojV1alpha1Client for the given config.
+func NewForConfig(c *rest.Config) (*ArgoprojV1alpha1Client, error) {
+	config := *c
+	if err := setConfigDefaults(&config); err != nil {
+		return nil, err
+	}
+	client, err := rest.RESTClientFor(&config)
+	if err != nil {
+		return nil, err
+	}
+	return &ArgoprojV1alpha1Client{client}, nil
+}
+
+// NewForConfigOrDie creates a new ArgoprojV1alpha1Client for the given config and
+// panics if there is an error in the config.
+func NewForConfigOrDie(c *rest.Config) *ArgoprojV1alpha1Client {
+	client, err := NewForConfig(c)
+	if err != nil {
+		panic(err)
+	}
+	return client
+}
+
+// New creates a new ArgoprojV1alpha1Client for the given RESTClient.
+func New(c rest.Interface) *ArgoprojV1alpha1Client {
+	return &ArgoprojV1alpha1Client{c}
+}
+
+func setConfigDefaults(config *rest.Config) error {
+	gv := v1alpha1.SchemeGroupVersion
+	config.GroupVersion = &gv
+	config.APIPath = "/apis"
+	config.NegotiatedSerializer = serializer.DirectCodecFactory{CodecFactory: scheme.Codecs}
+
+	if config.UserAgent == "" {
+		config.UserAgent = rest.DefaultKubernetesUserAgent()
+	}
+
+	return nil
+}
+
+// RESTClient returns a RESTClient that is used to communicate
+// with API server by this client implementation.
+func (c *ArgoprojV1alpha1Client) RESTClient() rest.Interface {
+	if c == nil {
+		return nil
+	}
+	return c.restClient
+}

pkg/client/clientset/versioned/typed/application/v1alpha1/fake/fake_application_client.go

@@ -1 +1,17 @@
 package fake
+
+import (
+	rest "k8s.io/client-go/rest"
+	testing "k8s.io/client-go/testing"
+)
+
+type FakeArgoprojV1alpha1 struct {
+	*testing.Fake
+}
+
+// RESTClient returns a RESTClient that is used to communicate
+// with API server by this client implementation.
+func (c *FakeArgoprojV1alpha1) RESTClient() rest.Interface {
+	var ret *rest.RESTClient
+	return ret
+}

pkg/client/clientset/versioned/typed/cluster/v1alpha1/cluster_client.go

@@ -0,0 +1,67 @@
+package v1alpha1
+
+import (
+	v1alpha1 "github.com/argoproj/argo-cd/pkg/apis/application/v1alpha1"
+	"github.com/argoproj/argo-cd/pkg/client/clientset/versioned/scheme"
+	serializer "k8s.io/apimachinery/pkg/runtime/serializer"
+	rest "k8s.io/client-go/rest"
+)
+
+type ArgoprojV1alpha1Interface interface {
+	RESTClient() rest.Interface
+}
+
+// ArgoprojV1alpha1Client is used to interact with features provided by the argoproj.io group.
+type ArgoprojV1alpha1Client struct {
+	restClient rest.Interface
+}
+
+// NewForConfig creates a new ArgoprojV1alpha1Client for the given config.
+func NewForConfig(c *rest.Config) (*ArgoprojV1alpha1Client, error) {
+	config := *c
+	if err := setConfigDefaults(&config); err != nil {
+		return nil, err
+	}
+	client, err := rest.RESTClientFor(&config)
+	if err != nil {
+		return nil, err
+	}
+	return &ArgoprojV1alpha1Client{client}, nil
+}
+
+// NewForConfigOrDie creates a new ArgoprojV1alpha1Client for the given config and
+// panics if there is an error in the config.
+func NewForConfigOrDie(c *rest.Config) *ArgoprojV1alpha1Client {
+	client, err := NewForConfig(c)
+	if err != nil {
+		panic(err)
+	}
+	return client
+}
+
+// New creates a new ArgoprojV1alpha1Client for the given RESTClient.
+func New(c rest.Interface) *ArgoprojV1alpha1Client {
+	return &ArgoprojV1alpha1Client{c}
+}
+
+func setConfigDefaults(config *rest.Config) error {
+	gv := v1alpha1.SchemeGroupVersion
+	config.GroupVersion = &gv
+	config.APIPath = "/apis"
+	config.NegotiatedSerializer = serializer.DirectCodecFactory{CodecFactory: scheme.Codecs}
+
+	if config.UserAgent == "" {
+		config.UserAgent = rest.DefaultKubernetesUserAgent()
+	}
+
+	return nil
+}
+
+// RESTClient returns a RESTClient that is used to communicate
+// with API server by this client implementation.
+func (c *ArgoprojV1alpha1Client) RESTClient() rest.Interface {
+	if c == nil {
+		return nil
+	}
+	return c.restClient
+}

pkg/client/clientset/versioned/typed/cluster/v1alpha1/doc.go

@@ -0,0 +1,2 @@
+// This package has the automatically generated typed clients.
+package v1alpha1

pkg/client/clientset/versioned/typed/cluster/v1alpha1/fake/doc.go

@@ -0,0 +1,2 @@
+// Package fake has the automatically generated clients.
+package fake

pkg/client/clientset/versioned/typed/cluster/v1alpha1/fake/fake_cluster_client.go

@@ -0,0 +1,17 @@
+package fake
+
+import (
+	rest "k8s.io/client-go/rest"
+	testing "k8s.io/client-go/testing"
+)
+
+type FakeArgoprojV1alpha1 struct {
+	*testing.Fake
+}
+
+// RESTClient returns a RESTClient that is used to communicate
+// with API server by this client implementation.
+func (c *FakeArgoprojV1alpha1) RESTClient() rest.Interface {
+	var ret *rest.RESTClient
+	return ret
+}

pkg/client/clientset/versioned/typed/cluster/v1alpha1/generated_expansion.go

@@ -0,0 +1 @@
+package v1alpha1

pkg/client/informers/externalversions/cluster/interface.go

@@ -0,0 +1,30 @@
+// This file was automatically generated by informer-gen
+
+package argoproj
+
+import (
+	v1alpha1 "github.com/argoproj/argo-cd/pkg/client/informers/externalversions/cluster/v1alpha1"
+	internalinterfaces "github.com/argoproj/argo-cd/pkg/client/informers/externalversions/internalinterfaces"
+)
+
+// Interface provides access to each of this group's versions.
+type Interface interface {
+	// V1alpha1 provides access to shared informers for resources in V1alpha1.
+	V1alpha1() v1alpha1.Interface
+}
+
+type group struct {
+	factory          internalinterfaces.SharedInformerFactory
+	namespace        string
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+}
+
+// New returns a new Interface.
+func New(f internalinterfaces.SharedInformerFactory, namespace string, tweakListOptions internalinterfaces.TweakListOptionsFunc) Interface {
+	return &group{factory: f, namespace: namespace, tweakListOptions: tweakListOptions}
+}
+
+// V1alpha1 returns a new v1alpha1.Interface.
+func (g *group) V1alpha1() v1alpha1.Interface {
+	return v1alpha1.New(g.factory, g.namespace, g.tweakListOptions)
+}

pkg/client/informers/externalversions/cluster/v1alpha1/cluster.go

@@ -0,0 +1,73 @@
+// This file was automatically generated by informer-gen
+
+package v1alpha1
+
+import (
+	time "time"
+
+	cluster_v1alpha1 "github.com/argoproj/argo-cd/pkg/apis/cluster/v1alpha1"
+	versioned "github.com/argoproj/argo-cd/pkg/client/clientset/versioned"
+	internalinterfaces "github.com/argoproj/argo-cd/pkg/client/informers/externalversions/internalinterfaces"
+	v1alpha1 "github.com/argoproj/argo-cd/pkg/client/listers/cluster/v1alpha1"
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	watch "k8s.io/apimachinery/pkg/watch"
+	cache "k8s.io/client-go/tools/cache"
+)
+
+// ClusterInformer provides access to a shared informer and lister for
+// Clusters.
+type ClusterInformer interface {
+	Informer() cache.SharedIndexInformer
+	Lister() v1alpha1.ClusterLister
+}
+
+type clusterInformer struct {
+	factory          internalinterfaces.SharedInformerFactory
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+	namespace        string
+}
+
+// NewClusterInformer constructs a new informer for Cluster type.
+// Always prefer using an informer factory to get a shared informer instead of getting an independent
+// one. This reduces memory footprint and number of connections to the server.
+func NewClusterInformer(client versioned.Interface, namespace string, resyncPeriod time.Duration, indexers cache.Indexers) cache.SharedIndexInformer {
+	return NewFilteredClusterInformer(client, namespace, resyncPeriod, indexers, nil)
+}
+
+// NewFilteredClusterInformer constructs a new informer for Cluster type.
+// Always prefer using an informer factory to get a shared informer instead of getting an independent
+// one. This reduces memory footprint and number of connections to the server.
+func NewFilteredClusterInformer(client versioned.Interface, namespace string, resyncPeriod time.Duration, indexers cache.Indexers, tweakListOptions internalinterfaces.TweakListOptionsFunc) cache.SharedIndexInformer {
+	return cache.NewSharedIndexInformer(
+		&cache.ListWatch{
+			ListFunc: func(options v1.ListOptions) (runtime.Object, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&options)
+				}
+				return client.ArgoprojV1alpha1().Clusters(namespace).List(options)
+			},
+			WatchFunc: func(options v1.ListOptions) (watch.Interface, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&options)
+				}
+				return client.ArgoprojV1alpha1().Clusters(namespace).Watch(options)
+			},
+		},
+		&cluster_v1alpha1.Cluster{},
+		resyncPeriod,
+		indexers,
+	)
+}
+
+func (f *clusterInformer) defaultInformer(client versioned.Interface, resyncPeriod time.Duration) cache.SharedIndexInformer {
+	return NewFilteredClusterInformer(client, f.namespace, resyncPeriod, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc}, f.tweakListOptions)
+}
+
+func (f *clusterInformer) Informer() cache.SharedIndexInformer {
+	return f.factory.InformerFor(&cluster_v1alpha1.Cluster{}, f.defaultInformer)
+}
+
+func (f *clusterInformer) Lister() v1alpha1.ClusterLister {
+	return v1alpha1.NewClusterLister(f.Informer().GetIndexer())
+}

pkg/client/informers/externalversions/cluster/v1alpha1/interface.go

@@ -0,0 +1,29 @@
+// This file was automatically generated by informer-gen
+
+package v1alpha1
+
+import (
+	internalinterfaces "github.com/argoproj/argo-cd/pkg/client/informers/externalversions/internalinterfaces"
+)
+
+// Interface provides access to all the informers in this group version.
+type Interface interface {
+	// Clusters returns a ClusterInformer.
+	Clusters() ClusterInformer
+}
+
+type version struct {
+	factory          internalinterfaces.SharedInformerFactory
+	namespace        string
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+}
+
+// New returns a new Interface.
+func New(f internalinterfaces.SharedInformerFactory, namespace string, tweakListOptions internalinterfaces.TweakListOptionsFunc) Interface {
+	return &version{factory: f, namespace: namespace, tweakListOptions: tweakListOptions}
+}
+
+// Clusters returns a ClusterInformer.
+func (v *version) Clusters() ClusterInformer {
+	return &clusterInformer{factory: v.factory, namespace: v.namespace, tweakListOptions: v.tweakListOptions}
+}

pkg/client/informers/externalversions/factory.go

@@ -0,0 +1,115 @@
+// This file was automatically generated by informer-gen
+
+package externalversions
+
+import (
+	reflect "reflect"
+	sync "sync"
+	time "time"
+
+	versioned "github.com/argoproj/argo-cd/pkg/client/clientset/versioned"
+	cluster "github.com/argoproj/argo-cd/pkg/client/informers/externalversions/cluster"
+	internalinterfaces "github.com/argoproj/argo-cd/pkg/client/informers/externalversions/internalinterfaces"
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	schema "k8s.io/apimachinery/pkg/runtime/schema"
+	cache "k8s.io/client-go/tools/cache"
+)
+
+type sharedInformerFactory struct {
+	client           versioned.Interface
+	namespace        string
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+	lock             sync.Mutex
+	defaultResync    time.Duration
+
+	informers map[reflect.Type]cache.SharedIndexInformer
+	// startedInformers is used for tracking which informers have been started.
+	// This allows Start() to be called multiple times safely.
+	startedInformers map[reflect.Type]bool
+}
+
+// NewSharedInformerFactory constructs a new instance of sharedInformerFactory
+func NewSharedInformerFactory(client versioned.Interface, defaultResync time.Duration) SharedInformerFactory {
+	return NewFilteredSharedInformerFactory(client, defaultResync, v1.NamespaceAll, nil)
+}
+
+// NewFilteredSharedInformerFactory constructs a new instance of sharedInformerFactory.
+// Listers obtained via this SharedInformerFactory will be subject to the same filters
+// as specified here.
+func NewFilteredSharedInformerFactory(client versioned.Interface, defaultResync time.Duration, namespace string, tweakListOptions internalinterfaces.TweakListOptionsFunc) SharedInformerFactory {
+	return &sharedInformerFactory{
+		client:           client,
+		namespace:        namespace,
+		tweakListOptions: tweakListOptions,
+		defaultResync:    defaultResync,
+		informers:        make(map[reflect.Type]cache.SharedIndexInformer),
+		startedInformers: make(map[reflect.Type]bool),
+	}
+}
+
+// Start initializes all requested informers.
+func (f *sharedInformerFactory) Start(stopCh <-chan struct{}) {
+	f.lock.Lock()
+	defer f.lock.Unlock()
+
+	for informerType, informer := range f.informers {
+		if !f.startedInformers[informerType] {
+			go informer.Run(stopCh)
+			f.startedInformers[informerType] = true
+		}
+	}
+}
+
+// WaitForCacheSync waits for all started informers' cache were synced.
+func (f *sharedInformerFactory) WaitForCacheSync(stopCh <-chan struct{}) map[reflect.Type]bool {
+	informers := func() map[reflect.Type]cache.SharedIndexInformer {
+		f.lock.Lock()
+		defer f.lock.Unlock()
+
+		informers := map[reflect.Type]cache.SharedIndexInformer{}
+		for informerType, informer := range f.informers {
+			if f.startedInformers[informerType] {
+				informers[informerType] = informer
+			}
+		}
+		return informers
+	}()
+
+	res := map[reflect.Type]bool{}
+	for informType, informer := range informers {
+		res[informType] = cache.WaitForCacheSync(stopCh, informer.HasSynced)
+	}
+	return res
+}
+
+// InternalInformerFor returns the SharedIndexInformer for obj using an internal
+// client.
+func (f *sharedInformerFactory) InformerFor(obj runtime.Object, newFunc internalinterfaces.NewInformerFunc) cache.SharedIndexInformer {
+	f.lock.Lock()
+	defer f.lock.Unlock()
+
+	informerType := reflect.TypeOf(obj)
+	informer, exists := f.informers[informerType]
+	if exists {
+		return informer
+	}
+	informer = newFunc(f.client, f.defaultResync)
+	f.informers[informerType] = informer
+
+	return informer
+}
+
+// SharedInformerFactory provides shared informers for resources in all known
+// API group versions.
+type SharedInformerFactory interface {
+	internalinterfaces.SharedInformerFactory
+	ForResource(resource schema.GroupVersionResource) (GenericInformer, error)
+	WaitForCacheSync(stopCh <-chan struct{}) map[reflect.Type]bool
+
+	Argoproj() cluster.Interface
+}
+
+func (f *sharedInformerFactory) Argoproj() cluster.Interface {
+	return cluster.New(f, f.namespace, f.tweakListOptions)
+}

pkg/client/informers/externalversions/generic.go

@@ -0,0 +1,46 @@
+// This file was automatically generated by informer-gen
+
+package externalversions
+
+import (
+	"fmt"
+
+	v1alpha1 "github.com/argoproj/argo-cd/pkg/apis/cluster/v1alpha1"
+	schema "k8s.io/apimachinery/pkg/runtime/schema"
+	cache "k8s.io/client-go/tools/cache"
+)
+
+// GenericInformer is type of SharedIndexInformer which will locate and delegate to other
+// sharedInformers based on type
+type GenericInformer interface {
+	Informer() cache.SharedIndexInformer
+	Lister() cache.GenericLister
+}
+
+type genericInformer struct {
+	informer cache.SharedIndexInformer
+	resource schema.GroupResource
+}
+
+// Informer returns the SharedIndexInformer.
+func (f *genericInformer) Informer() cache.SharedIndexInformer {
+	return f.informer
+}
+
+// Lister returns the GenericLister.
+func (f *genericInformer) Lister() cache.GenericLister {
+	return cache.NewGenericLister(f.Informer().GetIndexer(), f.resource)
+}
+
+// ForResource gives generic access to a shared informer of the matching type
+// TODO extend this to unknown resources with a client pool
+func (f *sharedInformerFactory) ForResource(resource schema.GroupVersionResource) (GenericInformer, error) {
+	switch resource {
+	// Group=argoproj.io, Version=v1alpha1
+	case v1alpha1.SchemeGroupVersion.WithResource("clusters"):
+		return &genericInformer{resource: resource.GroupResource(), informer: f.Argoproj().V1alpha1().Clusters().Informer()}, nil
+
+	}
+
+	return nil, fmt.Errorf("no informer found for %v", resource)
+}

pkg/client/informers/externalversions/internalinterfaces/factory_interfaces.go

@@ -0,0 +1,22 @@
+// This file was automatically generated by informer-gen
+
+package internalinterfaces
+
+import (
+	time "time"
+
+	versioned "github.com/argoproj/argo-cd/pkg/client/clientset/versioned"
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	cache "k8s.io/client-go/tools/cache"
+)
+
+type NewInformerFunc func(versioned.Interface, time.Duration) cache.SharedIndexInformer
+
+// SharedInformerFactory a small interface to allow for adding an informer without an import cycle
+type SharedInformerFactory interface {
+	Start(stopCh <-chan struct{})
+	InformerFor(obj runtime.Object, newFunc NewInformerFunc) cache.SharedIndexInformer
+}
+
+type TweakListOptionsFunc func(*v1.ListOptions)

pkg/client/listers/cluster/v1alpha1/cluster.go

@@ -0,0 +1,78 @@
+// This file was automatically generated by lister-gen
+
+package v1alpha1
+
+import (
+	v1alpha1 "github.com/argoproj/argo-cd/pkg/apis/cluster/v1alpha1"
+	"k8s.io/apimachinery/pkg/api/errors"
+	"k8s.io/apimachinery/pkg/labels"
+	"k8s.io/client-go/tools/cache"
+)
+
+// ClusterLister helps list Clusters.
+type ClusterLister interface {
+	// List lists all Clusters in the indexer.
+	List(selector labels.Selector) (ret []*v1alpha1.Cluster, err error)
+	// Clusters returns an object that can list and get Clusters.
+	Clusters(namespace string) ClusterNamespaceLister
+	ClusterListerExpansion
+}
+
+// clusterLister implements the ClusterLister interface.
+type clusterLister struct {
+	indexer cache.Indexer
+}
+
+// NewClusterLister returns a new ClusterLister.
+func NewClusterLister(indexer cache.Indexer) ClusterLister {
+	return &clusterLister{indexer: indexer}
+}
+
+// List lists all Clusters in the indexer.
+func (s *clusterLister) List(selector labels.Selector) (ret []*v1alpha1.Cluster, err error) {
+	err = cache.ListAll(s.indexer, selector, func(m interface{}) {
+		ret = append(ret, m.(*v1alpha1.Cluster))
+	})
+	return ret, err
+}
+
+// Clusters returns an object that can list and get Clusters.
+func (s *clusterLister) Clusters(namespace string) ClusterNamespaceLister {
+	return clusterNamespaceLister{indexer: s.indexer, namespace: namespace}
+}
+
+// ClusterNamespaceLister helps list and get Clusters.
+type ClusterNamespaceLister interface {
+	// List lists all Clusters in the indexer for a given namespace.
+	List(selector labels.Selector) (ret []*v1alpha1.Cluster, err error)
+	// Get retrieves the Cluster from the indexer for a given namespace and name.
+	Get(name string) (*v1alpha1.Cluster, error)
+	ClusterNamespaceListerExpansion
+}
+
+// clusterNamespaceLister implements the ClusterNamespaceLister
+// interface.
+type clusterNamespaceLister struct {
+	indexer   cache.Indexer
+	namespace string
+}
+
+// List lists all Clusters in the indexer for a given namespace.
+func (s clusterNamespaceLister) List(selector labels.Selector) (ret []*v1alpha1.Cluster, err error) {
+	err = cache.ListAllByNamespace(s.indexer, s.namespace, selector, func(m interface{}) {
+		ret = append(ret, m.(*v1alpha1.Cluster))
+	})
+	return ret, err
+}
+
+// Get retrieves the Cluster from the indexer for a given namespace and name.
+func (s clusterNamespaceLister) Get(name string) (*v1alpha1.Cluster, error) {
+	obj, exists, err := s.indexer.GetByKey(s.namespace + "/" + name)
+	if err != nil {
+		return nil, err
+	}
+	if !exists {
+		return nil, errors.NewNotFound(v1alpha1.Resource("cluster"), name)
+	}
+	return obj.(*v1alpha1.Cluster), nil
+}

pkg/client/listers/cluster/v1alpha1/expansion_generated.go

@@ -0,0 +1,11 @@
+// This file was automatically generated by lister-gen
+
+package v1alpha1
+
+// ClusterListerExpansion allows custom methods to be added to
+// ClusterLister.
+type ClusterListerExpansion interface{}
+
+// ClusterNamespaceListerExpansion allows custom methods to be added to
+// ClusterNamespaceLister.
+type ClusterNamespaceListerExpansion interface{}