Rename client Minions->Nodes, select the correct path for v1beta3

Replaces the client public interface but leaves old references to "minions"
for a later refactor.  Selects the path "nodes" for v1beta3 and "minions"
for older versions.

hack/test-cmd.sh

@@ -126,6 +126,10 @@ kube::log::status "Testing kubectl(minions)"
 "${kube_cmd[@]}" get minions "${kube_flags[@]}"
 "${kube_cmd[@]}" get minions 127.0.0.1 "${kube_flags[@]}"
 
+kube::log::status "Testing kubectl(nodes)"
+"${kube_cmd[@]}" get nodes "${kube_flags[@]}"
+"${kube_cmd[@]}" describe nodes 127.0.0.1 "${kube_flags[@]}"
+
 kube::log::status "TEST PASSED"
 
 # Start proxy

pkg/api/v1beta1/conversion_test.go

@@ -141,7 +141,7 @@ func TestMinionListConversionToNew(t *testing.T) {
 	oldMinion := func(id string) current.Minion {
 		return current.Minion{TypeMeta: current.TypeMeta{ID: id}}
 	}
-	newMinion := func(id string) newer.Node {
+	newNode := func(id string) newer.Node {
 		return newer.Node{ObjectMeta: newer.ObjectMeta{Name: id}}
 	}
 	oldMinions := []current.Minion{
@@ -149,8 +149,8 @@ func TestMinionListConversionToNew(t *testing.T) {
 		oldMinion("bar"),
 	}
 	newMinions := []newer.Node{
-		newMinion("foo"),
-		newMinion("bar"),
+		newNode("foo"),
+		newNode("bar"),
 	}
 
 	table := []struct {
@@ -188,7 +188,7 @@ func TestMinionListConversionToOld(t *testing.T) {
 	oldMinion := func(id string) current.Minion {
 		return current.Minion{TypeMeta: current.TypeMeta{ID: id}}
 	}
-	newMinion := func(id string) newer.Node {
+	newNode := func(id string) newer.Node {
 		return newer.Node{ObjectMeta: newer.ObjectMeta{Name: id}}
 	}
 	oldMinions := []current.Minion{
@@ -196,8 +196,8 @@ func TestMinionListConversionToOld(t *testing.T) {
 		oldMinion("bar"),
 	}
 	newMinions := []newer.Node{
-		newMinion("foo"),
-		newMinion("bar"),
+		newNode("foo"),
+		newNode("bar"),
 	}
 
 	newML := &newer.NodeList{Items: newMinions}

pkg/client/client.go

@@ -32,7 +32,7 @@ type Interface interface {
 	ServicesNamespacer
 	EndpointsNamespacer
 	VersionInterface
-	MinionsInterface
+	NodesInterface
 	EventNamespacer
 }
 
@@ -40,8 +40,8 @@ func (c *Client) ReplicationControllers(namespace string) ReplicationControllerI
 	return newReplicationControllers(c, namespace)
 }
 
-func (c *Client) Minions() MinionInterface {
-	return newMinions(c)
+func (c *Client) Nodes() NodeInterface {
+	return newNodes(c, c.preV1Beta3)
 }
 
 func (c *Client) Events(namespace string) EventInterface {
@@ -75,6 +75,9 @@ type APIStatus interface {
 // Client is the implementation of a Kubernetes client.
 type Client struct {
 	*RESTClient
+
+	// preV1Beta3 is true for v1beta1 and v1beta2
+	preV1Beta3 bool
 }
 
 // ServerVersion retrieves and parses the server's version.

pkg/client/client_test.go

@@ -28,6 +28,7 @@ import (
 
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api/latest"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/api/testapi"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/labels"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/resources"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
@@ -59,6 +60,7 @@ type testClient struct {
 	Response Response
 	Error    bool
 	Created  bool
+	Version  string
 	server   *httptest.Server
 	handler  *util.FakeHandler
 	// For query args, an optional function to validate the contents
@@ -77,9 +79,13 @@ func (c *testClient) Setup() *testClient {
 	}
 	c.server = httptest.NewServer(c.handler)
 	if c.Client == nil {
+		version := c.Version
+		if len(version) == 0 {
+			version = testapi.Version()
+		}
 		c.Client = NewOrDie(&Config{
 			Host:    c.server.URL,
-			Version: "v1beta1",
+			Version: version,
 		})
 	}
 	c.QueryValidator = map[string]func(string, string) bool{}
@@ -606,7 +612,7 @@ func TestListMinions(t *testing.T) {
 		Request:  testRequest{Method: "GET", Path: "/minions"},
 		Response: Response{StatusCode: 200, Body: &api.NodeList{ListMeta: api.ListMeta{ResourceVersion: "1"}}},
 	}
-	response, err := c.Setup().Minions().List()
+	response, err := c.Setup().Nodes().List()
 	c.Validate(t, response, err)
 }
 
@@ -615,7 +621,7 @@ func TestGetMinion(t *testing.T) {
 		Request:  testRequest{Method: "GET", Path: "/minions/1"},
 		Response: Response{StatusCode: 200, Body: &api.Node{ObjectMeta: api.ObjectMeta{Name: "minion-1"}}},
 	}
-	response, err := c.Setup().Minions().Get("1")
+	response, err := c.Setup().Nodes().Get("1")
 	c.Validate(t, response, err)
 }
 
@@ -641,7 +647,7 @@ func TestCreateMinion(t *testing.T) {
 			Body:       requestMinion,
 		},
 	}
-	receivedMinion, err := c.Setup().Minions().Create(requestMinion)
+	receivedMinion, err := c.Setup().Nodes().Create(requestMinion)
 	c.Validate(t, receivedMinion, err)
 }
 
@@ -650,6 +656,17 @@ func TestDeleteMinion(t *testing.T) {
 		Request:  testRequest{Method: "DELETE", Path: "/minions/foo"},
 		Response: Response{StatusCode: 200},
 	}
-	err := c.Setup().Minions().Delete("foo")
+	err := c.Setup().Nodes().Delete("foo")
+	c.Validate(t, nil, err)
+}
+
+func TestNewMinionPath(t *testing.T) {
+	c := &testClient{
+		Request:  testRequest{Method: "DELETE", Path: "/nodes/foo"},
+		Response: Response{StatusCode: 200},
+	}
+	cl := c.Setup()
+	cl.preV1Beta3 = false
+	err := cl.Nodes().Delete("foo")
 	c.Validate(t, nil, err)
 }

pkg/client/fake.go

@@ -49,8 +49,8 @@ func (c *Fake) ReplicationControllers(namespace string) ReplicationControllerInt
 	return &FakeReplicationControllers{Fake: c, Namespace: namespace}
 }
 
-func (c *Fake) Minions() MinionInterface {
-	return &FakeMinions{Fake: c}
+func (c *Fake) Nodes() NodeInterface {
+	return &FakeNodes{Fake: c}
 }
 
 func (c *Fake) Events(namespace string) EventInterface {

pkg/client/fake_minions.go

@@ -18,30 +18,36 @@ package client
 
 import (
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/api/errors"
 )
 
-// FakeMinions implements MinionInterface. Meant to be embedded into a struct to get a default
+// FakeNodes implements MinionInterface. Meant to be embedded into a struct to get a default
 // implementation. This makes faking out just the method you want to test easier.
-type FakeMinions struct {
+type FakeNodes struct {
 	Fake *Fake
 }
 
-func (c *FakeMinions) Get(name string) (*api.Node, error) {
+func (c *FakeNodes) Get(name string) (*api.Node, error) {
 	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "get-minion", Value: name})
-	return &api.Node{}, nil
+	for i := range c.Fake.MinionsList.Items {
+		if c.Fake.MinionsList.Items[i].Name == name {
+			return &c.Fake.MinionsList.Items[i], nil
+		}
+	}
+	return nil, errors.NewNotFound("Minions", name)
 }
 
-func (c *FakeMinions) List() (*api.NodeList, error) {
+func (c *FakeNodes) List() (*api.NodeList, error) {
 	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "list-minions", Value: nil})
 	return &c.Fake.MinionsList, nil
 }
 
-func (c *FakeMinions) Create(minion *api.Node) (*api.Node, error) {
+func (c *FakeNodes) Create(minion *api.Node) (*api.Node, error) {
 	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "create-minion", Value: minion})
 	return &api.Node{}, nil
 }
 
-func (c *FakeMinions) Delete(id string) error {
+func (c *FakeNodes) Delete(id string) error {
 	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "delete-minion", Value: id})
 	return nil
 }

pkg/client/helper.go

@@ -87,7 +87,9 @@ func New(c *Config) (*Client, error) {
 	if err != nil {
 		return nil, err
 	}
-	return &Client{client}, nil
+	version := defaultVersionFor(&config)
+	isPreV1Beta3 := (version == "v1beta1" || version == "v1beta2")
+	return &Client{client, isPreV1Beta3}, nil
 }
 
 // NewOrDie creates a Kubernetes client and panics if the provided API version is not recognized.

pkg/client/minions.go

@@ -18,49 +18,58 @@ package client
 
 import "github.com/GoogleCloudPlatform/kubernetes/pkg/api"
 
-type MinionsInterface interface {
-	Minions() MinionInterface
+type NodesInterface interface {
+	Nodes() NodeInterface
 }
 
-type MinionInterface interface {
+type NodeInterface interface {
 	Get(id string) (result *api.Node, err error)
 	Create(minion *api.Node) (*api.Node, error)
 	List() (*api.NodeList, error)
 	Delete(id string) error
 }
 
-// minions implements Minions interface
-type minions struct {
-	r *Client
+// nodes implements NodesInterface
+type nodes struct {
+	r          *Client
+	preV1Beta3 bool
 }
 
-// newMinions returns a minions
-func newMinions(c *Client) *minions {
-	return &minions{c}
+// newNodes returns a nodes object. Uses "minions" as the
+// URL resource name for v1beta1 and v1beta2.
+func newNodes(c *Client, isPreV1Beta3 bool) *nodes {
+	return &nodes{c, isPreV1Beta3}
+}
+
+func (c *nodes) resourceName() string {
+	if c.preV1Beta3 {
+		return "minions"
+	}
+	return "nodes"
 }
 
 // Create creates a new minion.
-func (c *minions) Create(minion *api.Node) (*api.Node, error) {
+func (c *nodes) Create(minion *api.Node) (*api.Node, error) {
 	result := &api.Node{}
-	err := c.r.Post().Path("minions").Body(minion).Do().Into(result)
+	err := c.r.Post().Path(c.resourceName()).Body(minion).Do().Into(result)
 	return result, err
 }
 
-// List lists all the minions in the cluster.
-func (c *minions) List() (*api.NodeList, error) {
+// List lists all the nodes in the cluster.
+func (c *nodes) List() (*api.NodeList, error) {
 	result := &api.NodeList{}
-	err := c.r.Get().Path("minions").Do().Into(result)
+	err := c.r.Get().Path(c.resourceName()).Do().Into(result)
 	return result, err
 }
 
 // Get gets an existing minion
-func (c *minions) Get(id string) (*api.Node, error) {
+func (c *nodes) Get(id string) (*api.Node, error) {
 	result := &api.Node{}
-	err := c.r.Get().Path("minions").Path(id).Do().Into(result)
+	err := c.r.Get().Path(c.resourceName()).Path(id).Do().Into(result)
 	return result, err
 }
 
 // Delete deletes an existing minion.
-func (c *minions) Delete(id string) error {
-	return c.r.Delete().Path("minions").Path(id).Do().Error()
+func (c *nodes) Delete(id string) error {
+	return c.r.Delete().Path(c.resourceName()).Path(id).Do().Error()
 }

pkg/cloudprovider/controller/minioncontroller.go

@@ -73,7 +73,7 @@ func (s *MinionController) SyncStatic(period time.Duration) error {
 			if registered.Has(minionID) {
 				continue
 			}
-			_, err := s.kubeClient.Minions().Create(&api.Node{
+			_, err := s.kubeClient.Nodes().Create(&api.Node{
 				ObjectMeta: api.ObjectMeta{Name: minionID},
 				Spec: api.NodeSpec{
 					Capacity: s.staticResources.Capacity,
@@ -97,7 +97,7 @@ func (s *MinionController) SyncCloud() error {
 	if err != nil {
 		return err
 	}
-	minions, err := s.kubeClient.Minions().List()
+	minions, err := s.kubeClient.Nodes().List()
 	if err != nil {
 		return err
 	}
@@ -110,7 +110,7 @@ func (s *MinionController) SyncCloud() error {
 	for _, minion := range matches.Items {
 		if _, ok := minionMap[minion.Name]; !ok {
 			glog.Infof("Create minion in registry: %s", minion.Name)
-			_, err = s.kubeClient.Minions().Create(&minion)
+			_, err = s.kubeClient.Nodes().Create(&minion)
 			if err != nil {
 				glog.Errorf("Create minion error: %s", minion.Name)
 			}
@@ -120,7 +120,7 @@ func (s *MinionController) SyncCloud() error {
 
 	for minionID := range minionMap {
 		glog.Infof("Delete minion from registry: %s", minionID)
-		err = s.kubeClient.Minions().Delete(minionID)
+		err = s.kubeClient.Nodes().Delete(minionID)
 		if err != nil {
 			glog.Errorf("Delete minion error: %s", minionID)
 		}

pkg/cloudprovider/controller/minioncontroller_test.go

@@ -26,13 +26,13 @@ import (
 	fake_cloud "github.com/GoogleCloudPlatform/kubernetes/pkg/cloudprovider/fake"
 )
 
-func newMinion(name string) *api.Node {
+func newNode(name string) *api.Node {
 	return &api.Node{ObjectMeta: api.ObjectMeta{Name: name}}
 }
 
 type FakeMinionHandler struct {
 	client.Fake
-	client.FakeMinions
+	client.FakeNodes
 
 	// Input: Hooks determine if request is valid or not
 	CreateHook func(*FakeMinionHandler, *api.Node) bool
@@ -44,7 +44,7 @@ type FakeMinionHandler struct {
 	RequestCount   int
 }
 
-func (c *FakeMinionHandler) Minions() client.MinionInterface {
+func (c *FakeMinionHandler) Nodes() client.NodeInterface {
 	return c
 }
 
@@ -75,7 +75,7 @@ func (m *FakeMinionHandler) List() (*api.NodeList, error) {
 }
 
 func (m *FakeMinionHandler) Delete(id string) error {
-	m.DeletedMinions = append(m.DeletedMinions, newMinion(id))
+	m.DeletedMinions = append(m.DeletedMinions, newNode(id))
 	m.RequestCount++
 	return nil
 }
@@ -129,7 +129,7 @@ func TestSyncStaticCreateMinionWithError(t *testing.T) {
 
 func TestSyncCloudCreateMinion(t *testing.T) {
 	fakeMinionHandler := &FakeMinionHandler{
-		Existing: []*api.Node{newMinion("minion0")},
+		Existing: []*api.Node{newNode("minion0")},
 	}
 	instances := []string{"minion0", "minion1"}
 	fakeCloud := fake_cloud.FakeCloud{
@@ -153,7 +153,7 @@ func TestSyncCloudCreateMinion(t *testing.T) {
 
 func TestSyncCloudDeleteMinion(t *testing.T) {
 	fakeMinionHandler := &FakeMinionHandler{
-		Existing: []*api.Node{newMinion("minion0"), newMinion("minion1")},
+		Existing: []*api.Node{newNode("minion0"), newNode("minion1")},
 	}
 	instances := []string{"minion0"}
 	fakeCloud := fake_cloud.FakeCloud{
@@ -177,7 +177,7 @@ func TestSyncCloudDeleteMinion(t *testing.T) {
 
 func TestSyncCloudRegexp(t *testing.T) {
 	fakeMinionHandler := &FakeMinionHandler{
-		Existing: []*api.Node{newMinion("minion0")},
+		Existing: []*api.Node{newNode("minion0")},
 	}
 	instances := []string{"minion0", "minion1", "node0"}
 	fakeCloud := fake_cloud.FakeCloud{

pkg/kubectl/describe.go

@@ -176,7 +176,7 @@ type MinionDescriber struct {
 }
 
 func (d *MinionDescriber) Describe(namespace, name string) (string, error) {
-	mc := d.Minions()
+	mc := d.Nodes()
 	minion, err := mc.Get(name)
 	if err != nil {
 		return "", err

pkg/master/master.go

@@ -316,7 +316,7 @@ func (m *Master) init(c *Config) {
 			PodCache:      podCache,
 			PodInfoGetter: c.KubeletClient,
 			Registry:      m.podRegistry,
-			Minions:       m.client.Minions(),
+			Nodes:         m.client.Nodes(),
 		}),
 		"replicationControllers": controller.NewREST(m.controllerRegistry, m.podRegistry),
 		"services":               service.NewREST(m.serviceRegistry, c.Cloud, m.minionRegistry, m.portalNet),

pkg/registry/pod/rest.go

@@ -60,7 +60,7 @@ type REST struct {
 	podInfoGetter client.PodInfoGetter
 	podPollPeriod time.Duration
 	registry      Registry
-	minions       client.MinionInterface
+	nodes         client.NodeInterface
 	ipCache       ipCache
 	clock         clock
 }
@@ -70,7 +70,7 @@ type RESTConfig struct {
 	PodCache      client.PodInfoGetter
 	PodInfoGetter client.PodInfoGetter
 	Registry      Registry
-	Minions       client.MinionInterface
+	Nodes         client.NodeInterface
 }
 
 // NewREST returns a new REST.
@@ -81,7 +81,7 @@ func NewREST(config *RESTConfig) *REST {
 		podInfoGetter: config.PodInfoGetter,
 		podPollPeriod: time.Second * 10,
 		registry:      config.Registry,
-		minions:       config.Minions,
+		nodes:         config.Nodes,
 		ipCache:       ipCache{},
 		clock:         realClock{},
 	}
@@ -125,7 +125,7 @@ func (rs *REST) Get(ctx api.Context, id string) (runtime.Object, error) {
 	}
 	if rs.podCache != nil || rs.podInfoGetter != nil {
 		rs.fillPodInfo(pod)
-		status, err := getPodStatus(pod, rs.minions)
+		status, err := getPodStatus(pod, rs.nodes)
 		if err != nil {
 			return pod, err
 		}
@@ -169,7 +169,7 @@ func (rs *REST) List(ctx api.Context, label, field labels.Selector) (runtime.Obj
 		for i := range pods.Items {
 			pod := &pods.Items[i]
 			rs.fillPodInfo(pod)
-			status, err := getPodStatus(pod, rs.minions)
+			status, err := getPodStatus(pod, rs.nodes)
 			if err != nil {
 				return pod, err
 			}

pkg/registry/pod/rest_test.go

@@ -499,7 +499,7 @@ func TestMakePodStatus(t *testing.T) {
 		},
 	}
 	for _, test := range tests {
-		if status, err := getPodStatus(test.pod, fakeClient.Minions()); status != test.status {
+		if status, err := getPodStatus(test.pod, fakeClient.Nodes()); status != test.status {
 			t.Errorf("In test %s, expected %v, got %v", test.test, test.status, status)
 			if err != nil {
 				t.Errorf("In test %s, unexpected error: %v", test.test, err)

pkg/scheduler/predicates.go

@@ -48,7 +48,7 @@ type ClientNodeInfo struct {
 }
 
 func (nodes ClientNodeInfo) GetNodeInfo(nodeID string) (*api.Node, error) {
-	return nodes.Minions().Get(nodeID)
+	return nodes.Nodes().Get(nodeID)
 }
 
 func isVolumeConflict(volume api.Volume, pod *api.Pod) bool {