show server version in ark version output using ServerStatusRequest CRD

Signed-off-by: Steve Kriss <steve@heptio.com>

changelogs/unreleased/1116-skriss

@@ -0,0 +1 @@
+add ServerStatusRequest CRD and show server version in `ark version` output

examples/common/00-prereqs.yaml

@@ -163,6 +163,20 @@ spec:
     kind: VolumeSnapshotLocation
 
 ---
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  name: serverstatusrequests.ark.heptio.com
+  labels:
+    component: ark
+spec:
+  group: ark.heptio.com
+  version: v1
+  scope: Namespaced
+  names:
+    plural: serverstatusrequests
+    kind: ServerStatusRequest
+---
 apiVersion: v1
 kind: Namespace
 metadata:

pkg/apis/ark/v1/register.go

@@ -69,6 +69,7 @@ func CustomResources() map[string]typeInfo {
 		"ResticRepository":       newTypeInfo("resticrepositories", &ResticRepository{}, &ResticRepositoryList{}),
 		"BackupStorageLocation":  newTypeInfo("backupstoragelocations", &BackupStorageLocation{}, &BackupStorageLocationList{}),
 		"VolumeSnapshotLocation": newTypeInfo("volumesnapshotlocations", &VolumeSnapshotLocation{}, &VolumeSnapshotLocationList{}),
+		"ServerStatusRequest":    newTypeInfo("serverstatusrequests", &ServerStatusRequest{}, &ServerStatusRequestList{}),
 	}
 }
 

pkg/apis/ark/v1/server_status_request.go

@@ -0,0 +1,68 @@
+/*
+Copyright 2018 the Heptio Ark 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 metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+// +genclient
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// ServerStatusRequest is a request to access current status information about
+// the Ark server.
+type ServerStatusRequest struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata"`
+
+	Spec   ServerStatusRequestSpec   `json:"spec"`
+	Status ServerStatusRequestStatus `json:"status,omitempty"`
+}
+
+// ServerStatusRequestSpec is the specification for a ServerStatusRequest.
+type ServerStatusRequestSpec struct {
+}
+
+// ServerStatusRequestPhase represents the lifecycle phase of a ServerStatusRequest.
+type ServerStatusRequestPhase string
+
+const (
+	// ServerStatusRequestPhaseNew means the ServerStatusRequest has not been processed yet.
+	ServerStatusRequestPhaseNew ServerStatusRequestPhase = "New"
+	// ServerStatusRequestPhaseProcessed means the ServerStatusRequest has been processed.
+	ServerStatusRequestPhaseProcessed ServerStatusRequestPhase = "Processed"
+)
+
+// ServerStatusRequestStatus is the current status of a ServerStatusRequest.
+type ServerStatusRequestStatus struct {
+	// Phase is the current lifecycle phase of the ServerStatusRequest.
+	Phase ServerStatusRequestPhase `json:"phase"`
+
+	// ProcessedTimestamp is when the ServerStatusRequest was processed
+	// by the ServerStatusRequestController.
+	ProcessedTimestamp metav1.Time `json:"processedTimestamp"`
+
+	// ServerVersion is the Ark server version.
+	ServerVersion string `json:"serverVersion"`
+}
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// ServerStatusRequestList is a list of ServerStatusRequests.
+type ServerStatusRequestList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata"`
+	Items           []ServerStatusRequest `json:"items"`
+}

pkg/apis/ark/v1/zz_generated.deepcopy.go

@@ -1235,6 +1235,100 @@ func (in *ScheduleStatus) DeepCopy() *ScheduleStatus {
 	return out
 }
 
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ServerStatusRequest) DeepCopyInto(out *ServerStatusRequest) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
+	out.Spec = in.Spec
+	in.Status.DeepCopyInto(&out.Status)
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ServerStatusRequest.
+func (in *ServerStatusRequest) DeepCopy() *ServerStatusRequest {
+	if in == nil {
+		return nil
+	}
+	out := new(ServerStatusRequest)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *ServerStatusRequest) 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 *ServerStatusRequestList) DeepCopyInto(out *ServerStatusRequestList) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	out.ListMeta = in.ListMeta
+	if in.Items != nil {
+		in, out := &in.Items, &out.Items
+		*out = make([]ServerStatusRequest, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ServerStatusRequestList.
+func (in *ServerStatusRequestList) DeepCopy() *ServerStatusRequestList {
+	if in == nil {
+		return nil
+	}
+	out := new(ServerStatusRequestList)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *ServerStatusRequestList) 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 *ServerStatusRequestSpec) DeepCopyInto(out *ServerStatusRequestSpec) {
+	*out = *in
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ServerStatusRequestSpec.
+func (in *ServerStatusRequestSpec) DeepCopy() *ServerStatusRequestSpec {
+	if in == nil {
+		return nil
+	}
+	out := new(ServerStatusRequestSpec)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ServerStatusRequestStatus) DeepCopyInto(out *ServerStatusRequestStatus) {
+	*out = *in
+	in.ProcessedTimestamp.DeepCopyInto(&out.ProcessedTimestamp)
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ServerStatusRequestStatus.
+func (in *ServerStatusRequestStatus) DeepCopy() *ServerStatusRequestStatus {
+	if in == nil {
+		return nil
+	}
+	out := new(ServerStatusRequestStatus)
+	in.DeepCopyInto(out)
+	return out
+}
+
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *StorageType) DeepCopyInto(out *StorageType) {
 	*out = *in

pkg/cmd/ark/ark.go

@@ -62,7 +62,7 @@ operations can also be performed as 'ark backup get' and 'ark schedule create'.`
 		schedule.NewCommand(f),
 		restore.NewCommand(f),
 		server.NewCommand(),
-		version.NewCommand(),
+		version.NewCommand(f),
 		get.NewCommand(f),
 		describe.NewCommand(f),
 		create.NewCommand(f),

pkg/cmd/server/server.go

@@ -681,6 +681,17 @@ func (s *server) runControllers(defaultVolumeSnapshotLocations map[string]string
 		wg.Done()
 	}()
 
+	serverStatusRequestController := controller.NewServerStatusRequestController(
+		s.logger,
+		s.arkClient.ArkV1(),
+		s.sharedInformerFactory.Ark().V1().ServerStatusRequests(),
+	)
+	wg.Add(1)
+	go func() {
+		serverStatusRequestController.Run(ctx, 1)
+		wg.Done()
+	}()
+
 	// SHARED INFORMERS HAVE TO BE STARTED AFTER ALL CONTROLLERS
 	go s.sharedInformerFactory.Start(ctx.Done())
 

pkg/cmd/version/version.go

@@ -18,21 +18,133 @@ package version
 
 import (
 	"fmt"
+	"io"
+	"os"
+	"time"
 
+	"github.com/pkg/errors"
 	"github.com/spf13/cobra"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/watch"
 
+	arkv1api "github.com/heptio/ark/pkg/apis/ark/v1"
 	"github.com/heptio/ark/pkg/buildinfo"
+	"github.com/heptio/ark/pkg/client"
+	"github.com/heptio/ark/pkg/cmd"
+	arkv1client "github.com/heptio/ark/pkg/generated/clientset/versioned/typed/ark/v1"
+	"github.com/heptio/ark/pkg/serverstatusrequest"
 )
 
-func NewCommand() *cobra.Command {
+func NewCommand(f client.Factory) *cobra.Command {
+	clientOnly := false
+	serverStatusGetter := &defaultServerStatusGetter{
+		namespace: f.Namespace(),
+		timeout:   5 * time.Second,
+	}
+
 	c := &cobra.Command{
 		Use:   "version",
 		Short: "Print the ark version and associated image",
-		Run: func(cmd *cobra.Command, args []string) {
-			fmt.Printf("Version: %s\n", buildinfo.Version)
-			fmt.Printf("Git commit: %s\n", buildinfo.FormattedGitSHA())
+		Run: func(c *cobra.Command, args []string) {
+			var arkClient arkv1client.ServerStatusRequestsGetter
+
+			if !clientOnly {
+				client, err := f.Client()
+				cmd.CheckError(err)
+
+				arkClient = client.ArkV1()
+			}
+
+			printVersion(os.Stdout, clientOnly, arkClient, serverStatusGetter)
 		},
 	}
 
+	c.Flags().DurationVar(&serverStatusGetter.timeout, "timeout", serverStatusGetter.timeout, "maximum time to wait for server version to be reported")
+	c.Flags().BoolVar(&clientOnly, "client-only", clientOnly, "only get ark client version, not server version")
+
 	return c
 }
+
+func printVersion(w io.Writer, clientOnly bool, client arkv1client.ServerStatusRequestsGetter, serverStatusGetter serverStatusGetter) {
+	fmt.Fprintln(w, "Client:")
+	fmt.Fprintf(w, "\tVersion: %s\n", buildinfo.Version)
+	fmt.Fprintf(w, "\tGit commit: %s\n", buildinfo.FormattedGitSHA())
+
+	if clientOnly {
+		return
+	}
+
+	serverStatus, err := serverStatusGetter.getServerStatus(client)
+	if err != nil {
+		fmt.Fprintf(w, "<error getting server version: %s>\n", err)
+		return
+	}
+
+	fmt.Fprintln(w, "Server:")
+	fmt.Fprintf(w, "\tVersion: %s\n", serverStatus.Status.ServerVersion)
+}
+
+type serverStatusGetter interface {
+	getServerStatus(client arkv1client.ServerStatusRequestsGetter) (*arkv1api.ServerStatusRequest, error)
+}
+
+type defaultServerStatusGetter struct {
+	namespace string
+	timeout   time.Duration
+}
+
+func (g *defaultServerStatusGetter) getServerStatus(client arkv1client.ServerStatusRequestsGetter) (*arkv1api.ServerStatusRequest, error) {
+	req := serverstatusrequest.NewBuilder().Namespace(g.namespace).GenerateName("ark-cli-").Build()
+
+	created, err := client.ServerStatusRequests(g.namespace).Create(req)
+	if err != nil {
+		return nil, errors.WithStack(err)
+	}
+	defer client.ServerStatusRequests(g.namespace).Delete(created.Name, nil)
+
+	listOptions := metav1.ListOptions{
+		// TODO: once the minimum supported Kubernetes version is v1.9.0, uncomment the following line.
+		// See http://issue.k8s.io/51046 for details.
+		//FieldSelector:   "metadata.name=" + req.Name
+		ResourceVersion: created.ResourceVersion,
+	}
+	watcher, err := client.ServerStatusRequests(g.namespace).Watch(listOptions)
+	if err != nil {
+		return nil, errors.WithStack(err)
+	}
+	defer watcher.Stop()
+
+	expired := time.NewTimer(g.timeout)
+	defer expired.Stop()
+
+Loop:
+	for {
+		select {
+		case <-expired.C:
+			return nil, errors.New("timed out waiting for server status request to be processed")
+		case e := <-watcher.ResultChan():
+			updated, ok := e.Object.(*arkv1api.ServerStatusRequest)
+			if !ok {
+				return nil, errors.Errorf("unexpected type %T", e.Object)
+			}
+
+			// TODO: once the minimum supported Kubernetes version is v1.9.0, remove the following check.
+			// See http://issue.k8s.io/51046 for details.
+			if updated.Name != created.Name {
+				continue
+			}
+
+			switch e.Type {
+			case watch.Deleted:
+				return nil, errors.New("server status request was unexpectedly deleted")
+			case watch.Modified:
+				if updated.Status.Phase == arkv1api.ServerStatusRequestPhaseProcessed {
+					req = updated
+					break Loop
+				}
+			}
+		}
+	}
+
+	return req, nil
+}

pkg/cmd/version/version_test.go

@@ -0,0 +1,129 @@
+/*
+Copyright 2019 the Heptio Ark 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 version
+
+import (
+	"bytes"
+	"fmt"
+	"testing"
+
+	"github.com/pkg/errors"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+
+	arkv1 "github.com/heptio/ark/pkg/apis/ark/v1"
+	"github.com/heptio/ark/pkg/buildinfo"
+	"github.com/heptio/ark/pkg/generated/clientset/versioned/fake"
+	v1 "github.com/heptio/ark/pkg/generated/clientset/versioned/typed/ark/v1"
+	"github.com/heptio/ark/pkg/serverstatusrequest"
+)
+
+func TestPrintVersion(t *testing.T) {
+	// set up some non-empty buildinfo values, but put them back to their
+	// defaults at the end of the test
+	var (
+		origVersion      = buildinfo.Version
+		origGitSHA       = buildinfo.GitSHA
+		origGitTreeState = buildinfo.GitTreeState
+	)
+	defer func() {
+		buildinfo.Version = origVersion
+		buildinfo.GitSHA = origGitSHA
+		buildinfo.GitTreeState = origGitTreeState
+	}()
+	buildinfo.Version = "v1.0.0"
+	buildinfo.GitSHA = "somegitsha"
+	buildinfo.GitTreeState = "dirty"
+
+	clientVersion := fmt.Sprintf("Client:\n\tVersion: %s\n\tGit commit: %s\n", buildinfo.Version, buildinfo.FormattedGitSHA())
+
+	tests := []struct {
+		name                string
+		clientOnly          bool
+		serverStatusRequest *arkv1.ServerStatusRequest
+		getterError         error
+		want                string
+	}{
+		{
+			name:       "client-only",
+			clientOnly: true,
+			want:       clientVersion,
+		},
+		{
+			name:                "server status getter error",
+			clientOnly:          false,
+			serverStatusRequest: nil,
+			getterError:         errors.New("an error"),
+			want:                clientVersion + "<error getting server version: an error>\n",
+		},
+		{
+			name:                "server status getter returns normally",
+			clientOnly:          false,
+			serverStatusRequest: serverstatusrequest.NewBuilder().ServerVersion("v1.0.1").Build(),
+			getterError:         nil,
+			want:                clientVersion + "Server:\n\tVersion: v1.0.1\n",
+		},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			var (
+				serverStatusGetter = new(mockServerStatusGetter)
+				buf                = new(bytes.Buffer)
+				client             = fake.NewSimpleClientset()
+			)
+			defer serverStatusGetter.AssertExpectations(t)
+
+			// getServerStatus should only be called when clientOnly = false
+			if !tc.clientOnly {
+				serverStatusGetter.On("getServerStatus", client.ArkV1()).Return(tc.serverStatusRequest, tc.getterError)
+			}
+
+			printVersion(buf, tc.clientOnly, client.ArkV1(), serverStatusGetter)
+
+			assert.Equal(t, tc.want, buf.String())
+		})
+	}
+}
+
+// serverStatusGetter is an autogenerated mock type for the serverStatusGetter type
+type mockServerStatusGetter struct {
+	mock.Mock
+}
+
+// getServerStatus provides a mock function with given fields: client
+func (_m *mockServerStatusGetter) getServerStatus(client v1.ServerStatusRequestsGetter) (*arkv1.ServerStatusRequest, error) {
+	ret := _m.Called(client)
+
+	var r0 *arkv1.ServerStatusRequest
+	if rf, ok := ret.Get(0).(func(v1.ServerStatusRequestsGetter) *arkv1.ServerStatusRequest); ok {
+		r0 = rf(client)
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(*arkv1.ServerStatusRequest)
+		}
+	}
+
+	var r1 error
+	if rf, ok := ret.Get(1).(func(v1.ServerStatusRequestsGetter) error); ok {
+		r1 = rf(client)
+	} else {
+		r1 = ret.Error(1)
+	}
+
+	return r0, r1
+}

pkg/controller/server_status_request_controller.go

@@ -0,0 +1,118 @@
+/*
+Copyright 2018 the Heptio Ark 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 controller
+
+import (
+	"time"
+
+	"github.com/pkg/errors"
+	"github.com/sirupsen/logrus"
+	apierrors "k8s.io/apimachinery/pkg/api/errors"
+	"k8s.io/apimachinery/pkg/labels"
+	"k8s.io/apimachinery/pkg/util/clock"
+	"k8s.io/client-go/tools/cache"
+
+	arkv1api "github.com/heptio/ark/pkg/apis/ark/v1"
+	arkv1client "github.com/heptio/ark/pkg/generated/clientset/versioned/typed/ark/v1"
+	arkv1informers "github.com/heptio/ark/pkg/generated/informers/externalversions/ark/v1"
+	arkv1listers "github.com/heptio/ark/pkg/generated/listers/ark/v1"
+	"github.com/heptio/ark/pkg/serverstatusrequest"
+	kubeutil "github.com/heptio/ark/pkg/util/kube"
+)
+
+const statusRequestResyncPeriod = 5 * time.Minute
+
+type statusRequestController struct {
+	*genericController
+
+	client arkv1client.ServerStatusRequestsGetter
+	lister arkv1listers.ServerStatusRequestLister
+	clock  clock.Clock
+}
+
+func NewServerStatusRequestController(
+	logger logrus.FieldLogger,
+	client arkv1client.ServerStatusRequestsGetter,
+	informer arkv1informers.ServerStatusRequestInformer,
+) *statusRequestController {
+	c := &statusRequestController{
+		genericController: newGenericController("serverstatusrequest", logger),
+		client:            client,
+		lister:            informer.Lister(),
+
+		clock: clock.RealClock{},
+	}
+
+	c.syncHandler = c.processItem
+	c.cacheSyncWaiters = append(c.cacheSyncWaiters, informer.Informer().HasSynced)
+
+	c.resyncFunc = c.enqueueAllItems
+	c.resyncPeriod = statusRequestResyncPeriod
+
+	informer.Informer().AddEventHandler(
+		cache.ResourceEventHandlerFuncs{
+			AddFunc: func(obj interface{}) {
+				req := obj.(*arkv1api.ServerStatusRequest)
+				key := kubeutil.NamespaceAndName(req)
+
+				c.logger.WithFields(logrus.Fields{
+					"serverStatusRequest": key,
+					"phase":               req.Status.Phase,
+				}).Debug("Enqueueing server status request")
+
+				c.queue.Add(key)
+			},
+		},
+	)
+
+	return c
+}
+
+func (c *statusRequestController) processItem(key string) error {
+	log := c.logger.WithField("key", key)
+
+	log.Debug("Running processItem")
+	ns, name, err := cache.SplitMetaNamespaceKey(key)
+	if err != nil {
+		return errors.Wrap(err, "error splitting queue key")
+	}
+
+	log.Debug("Getting ServerStatusRequest")
+	req, err := c.lister.ServerStatusRequests(ns).Get(name)
+	// server status request no longer exists
+	if apierrors.IsNotFound(err) {
+		log.WithError(err).Debug("ServerStatusRequest not found")
+		return nil
+	}
+	if err != nil {
+		return errors.Wrap(err, "error getting ServerStatusRequest")
+	}
+
+	return serverstatusrequest.Process(req.DeepCopy(), c.client, c.clock, log)
+}
+
+func (c *statusRequestController) enqueueAllItems() {
+	items, err := c.lister.List(labels.Everything())
+	if err != nil {
+		c.logger.WithError(err).Error("Error listing all server status requests")
+		return
+	}
+
+	for _, req := range items {
+		c.enqueue(req)
+	}
+}

pkg/generated/clientset/versioned/typed/ark/v1/ark_client.go

@@ -36,6 +36,7 @@ type ArkV1Interface interface {
 	ResticRepositoriesGetter
 	RestoresGetter
 	SchedulesGetter
+	ServerStatusRequestsGetter
 	VolumeSnapshotLocationsGetter
 }
 
@@ -80,6 +81,10 @@ func (c *ArkV1Client) Schedules(namespace string) ScheduleInterface {
 	return newSchedules(c, namespace)
 }
 
+func (c *ArkV1Client) ServerStatusRequests(namespace string) ServerStatusRequestInterface {
+	return newServerStatusRequests(c, namespace)
+}
+
 func (c *ArkV1Client) VolumeSnapshotLocations(namespace string) VolumeSnapshotLocationInterface {
 	return newVolumeSnapshotLocations(c, namespace)
 }

pkg/generated/clientset/versioned/typed/ark/v1/fake/fake_ark_client.go

@@ -64,6 +64,10 @@ func (c *FakeArkV1) Schedules(namespace string) v1.ScheduleInterface {
 	return &FakeSchedules{c, namespace}
 }
 
+func (c *FakeArkV1) ServerStatusRequests(namespace string) v1.ServerStatusRequestInterface {
+	return &FakeServerStatusRequests{c, namespace}
+}
+
 func (c *FakeArkV1) VolumeSnapshotLocations(namespace string) v1.VolumeSnapshotLocationInterface {
 	return &FakeVolumeSnapshotLocations{c, namespace}
 }

pkg/generated/clientset/versioned/typed/ark/v1/fake/fake_serverstatusrequest.go

@@ -0,0 +1,140 @@
+/*
+Copyright the Heptio Ark 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.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package fake
+
+import (
+	ark_v1 "github.com/heptio/ark/pkg/apis/ark/v1"
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	labels "k8s.io/apimachinery/pkg/labels"
+	schema "k8s.io/apimachinery/pkg/runtime/schema"
+	types "k8s.io/apimachinery/pkg/types"
+	watch "k8s.io/apimachinery/pkg/watch"
+	testing "k8s.io/client-go/testing"
+)
+
+// FakeServerStatusRequests implements ServerStatusRequestInterface
+type FakeServerStatusRequests struct {
+	Fake *FakeArkV1
+	ns   string
+}
+
+var serverstatusrequestsResource = schema.GroupVersionResource{Group: "ark.heptio.com", Version: "v1", Resource: "serverstatusrequests"}
+
+var serverstatusrequestsKind = schema.GroupVersionKind{Group: "ark.heptio.com", Version: "v1", Kind: "ServerStatusRequest"}
+
+// Get takes name of the serverStatusRequest, and returns the corresponding serverStatusRequest object, and an error if there is any.
+func (c *FakeServerStatusRequests) Get(name string, options v1.GetOptions) (result *ark_v1.ServerStatusRequest, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewGetAction(serverstatusrequestsResource, c.ns, name), &ark_v1.ServerStatusRequest{})
+
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*ark_v1.ServerStatusRequest), err
+}
+
+// List takes label and field selectors, and returns the list of ServerStatusRequests that match those selectors.
+func (c *FakeServerStatusRequests) List(opts v1.ListOptions) (result *ark_v1.ServerStatusRequestList, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewListAction(serverstatusrequestsResource, serverstatusrequestsKind, c.ns, opts), &ark_v1.ServerStatusRequestList{})
+
+	if obj == nil {
+		return nil, err
+	}
+
+	label, _, _ := testing.ExtractFromListOptions(opts)
+	if label == nil {
+		label = labels.Everything()
+	}
+	list := &ark_v1.ServerStatusRequestList{ListMeta: obj.(*ark_v1.ServerStatusRequestList).ListMeta}
+	for _, item := range obj.(*ark_v1.ServerStatusRequestList).Items {
+		if label.Matches(labels.Set(item.Labels)) {
+			list.Items = append(list.Items, item)
+		}
+	}
+	return list, err
+}
+
+// Watch returns a watch.Interface that watches the requested serverStatusRequests.
+func (c *FakeServerStatusRequests) Watch(opts v1.ListOptions) (watch.Interface, error) {
+	return c.Fake.
+		InvokesWatch(testing.NewWatchAction(serverstatusrequestsResource, c.ns, opts))
+
+}
+
+// Create takes the representation of a serverStatusRequest and creates it.  Returns the server's representation of the serverStatusRequest, and an error, if there is any.
+func (c *FakeServerStatusRequests) Create(serverStatusRequest *ark_v1.ServerStatusRequest) (result *ark_v1.ServerStatusRequest, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewCreateAction(serverstatusrequestsResource, c.ns, serverStatusRequest), &ark_v1.ServerStatusRequest{})
+
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*ark_v1.ServerStatusRequest), err
+}
+
+// Update takes the representation of a serverStatusRequest and updates it. Returns the server's representation of the serverStatusRequest, and an error, if there is any.
+func (c *FakeServerStatusRequests) Update(serverStatusRequest *ark_v1.ServerStatusRequest) (result *ark_v1.ServerStatusRequest, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewUpdateAction(serverstatusrequestsResource, c.ns, serverStatusRequest), &ark_v1.ServerStatusRequest{})
+
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*ark_v1.ServerStatusRequest), err
+}
+
+// UpdateStatus was generated because the type contains a Status member.
+// Add a +genclient:noStatus comment above the type to avoid generating UpdateStatus().
+func (c *FakeServerStatusRequests) UpdateStatus(serverStatusRequest *ark_v1.ServerStatusRequest) (*ark_v1.ServerStatusRequest, error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewUpdateSubresourceAction(serverstatusrequestsResource, "status", c.ns, serverStatusRequest), &ark_v1.ServerStatusRequest{})
+
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*ark_v1.ServerStatusRequest), err
+}
+
+// Delete takes name of the serverStatusRequest and deletes it. Returns an error if one occurs.
+func (c *FakeServerStatusRequests) Delete(name string, options *v1.DeleteOptions) error {
+	_, err := c.Fake.
+		Invokes(testing.NewDeleteAction(serverstatusrequestsResource, c.ns, name), &ark_v1.ServerStatusRequest{})
+
+	return err
+}
+
+// DeleteCollection deletes a collection of objects.
+func (c *FakeServerStatusRequests) DeleteCollection(options *v1.DeleteOptions, listOptions v1.ListOptions) error {
+	action := testing.NewDeleteCollectionAction(serverstatusrequestsResource, c.ns, listOptions)
+
+	_, err := c.Fake.Invokes(action, &ark_v1.ServerStatusRequestList{})
+	return err
+}
+
+// Patch applies the patch and returns the patched serverStatusRequest.
+func (c *FakeServerStatusRequests) Patch(name string, pt types.PatchType, data []byte, subresources ...string) (result *ark_v1.ServerStatusRequest, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewPatchSubresourceAction(serverstatusrequestsResource, c.ns, name, data, subresources...), &ark_v1.ServerStatusRequest{})
+
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*ark_v1.ServerStatusRequest), err
+}

pkg/generated/clientset/versioned/typed/ark/v1/generated_expansion.go

@@ -36,4 +36,6 @@ type RestoreExpansion interface{}
 
 type ScheduleExpansion interface{}
 
+type ServerStatusRequestExpansion interface{}
+
 type VolumeSnapshotLocationExpansion interface{}

pkg/generated/clientset/versioned/typed/ark/v1/serverstatusrequest.go

@@ -0,0 +1,174 @@
+/*
+Copyright the Heptio Ark 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.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	v1 "github.com/heptio/ark/pkg/apis/ark/v1"
+	scheme "github.com/heptio/ark/pkg/generated/clientset/versioned/scheme"
+	meta_v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	types "k8s.io/apimachinery/pkg/types"
+	watch "k8s.io/apimachinery/pkg/watch"
+	rest "k8s.io/client-go/rest"
+)
+
+// ServerStatusRequestsGetter has a method to return a ServerStatusRequestInterface.
+// A group's client should implement this interface.
+type ServerStatusRequestsGetter interface {
+	ServerStatusRequests(namespace string) ServerStatusRequestInterface
+}
+
+// ServerStatusRequestInterface has methods to work with ServerStatusRequest resources.
+type ServerStatusRequestInterface interface {
+	Create(*v1.ServerStatusRequest) (*v1.ServerStatusRequest, error)
+	Update(*v1.ServerStatusRequest) (*v1.ServerStatusRequest, error)
+	UpdateStatus(*v1.ServerStatusRequest) (*v1.ServerStatusRequest, error)
+	Delete(name string, options *meta_v1.DeleteOptions) error
+	DeleteCollection(options *meta_v1.DeleteOptions, listOptions meta_v1.ListOptions) error
+	Get(name string, options meta_v1.GetOptions) (*v1.ServerStatusRequest, error)
+	List(opts meta_v1.ListOptions) (*v1.ServerStatusRequestList, error)
+	Watch(opts meta_v1.ListOptions) (watch.Interface, error)
+	Patch(name string, pt types.PatchType, data []byte, subresources ...string) (result *v1.ServerStatusRequest, err error)
+	ServerStatusRequestExpansion
+}
+
+// serverStatusRequests implements ServerStatusRequestInterface
+type serverStatusRequests struct {
+	client rest.Interface
+	ns     string
+}
+
+// newServerStatusRequests returns a ServerStatusRequests
+func newServerStatusRequests(c *ArkV1Client, namespace string) *serverStatusRequests {
+	return &serverStatusRequests{
+		client: c.RESTClient(),
+		ns:     namespace,
+	}
+}
+
+// Get takes name of the serverStatusRequest, and returns the corresponding serverStatusRequest object, and an error if there is any.
+func (c *serverStatusRequests) Get(name string, options meta_v1.GetOptions) (result *v1.ServerStatusRequest, err error) {
+	result = &v1.ServerStatusRequest{}
+	err = c.client.Get().
+		Namespace(c.ns).
+		Resource("serverstatusrequests").
+		Name(name).
+		VersionedParams(&options, scheme.ParameterCodec).
+		Do().
+		Into(result)
+	return
+}
+
+// List takes label and field selectors, and returns the list of ServerStatusRequests that match those selectors.
+func (c *serverStatusRequests) List(opts meta_v1.ListOptions) (result *v1.ServerStatusRequestList, err error) {
+	result = &v1.ServerStatusRequestList{}
+	err = c.client.Get().
+		Namespace(c.ns).
+		Resource("serverstatusrequests").
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Do().
+		Into(result)
+	return
+}
+
+// Watch returns a watch.Interface that watches the requested serverStatusRequests.
+func (c *serverStatusRequests) Watch(opts meta_v1.ListOptions) (watch.Interface, error) {
+	opts.Watch = true
+	return c.client.Get().
+		Namespace(c.ns).
+		Resource("serverstatusrequests").
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Watch()
+}
+
+// Create takes the representation of a serverStatusRequest and creates it.  Returns the server's representation of the serverStatusRequest, and an error, if there is any.
+func (c *serverStatusRequests) Create(serverStatusRequest *v1.ServerStatusRequest) (result *v1.ServerStatusRequest, err error) {
+	result = &v1.ServerStatusRequest{}
+	err = c.client.Post().
+		Namespace(c.ns).
+		Resource("serverstatusrequests").
+		Body(serverStatusRequest).
+		Do().
+		Into(result)
+	return
+}
+
+// Update takes the representation of a serverStatusRequest and updates it. Returns the server's representation of the serverStatusRequest, and an error, if there is any.
+func (c *serverStatusRequests) Update(serverStatusRequest *v1.ServerStatusRequest) (result *v1.ServerStatusRequest, err error) {
+	result = &v1.ServerStatusRequest{}
+	err = c.client.Put().
+		Namespace(c.ns).
+		Resource("serverstatusrequests").
+		Name(serverStatusRequest.Name).
+		Body(serverStatusRequest).
+		Do().
+		Into(result)
+	return
+}
+
+// UpdateStatus was generated because the type contains a Status member.
+// Add a +genclient:noStatus comment above the type to avoid generating UpdateStatus().
+
+func (c *serverStatusRequests) UpdateStatus(serverStatusRequest *v1.ServerStatusRequest) (result *v1.ServerStatusRequest, err error) {
+	result = &v1.ServerStatusRequest{}
+	err = c.client.Put().
+		Namespace(c.ns).
+		Resource("serverstatusrequests").
+		Name(serverStatusRequest.Name).
+		SubResource("status").
+		Body(serverStatusRequest).
+		Do().
+		Into(result)
+	return
+}
+
+// Delete takes name of the serverStatusRequest and deletes it. Returns an error if one occurs.
+func (c *serverStatusRequests) Delete(name string, options *meta_v1.DeleteOptions) error {
+	return c.client.Delete().
+		Namespace(c.ns).
+		Resource("serverstatusrequests").
+		Name(name).
+		Body(options).
+		Do().
+		Error()
+}
+
+// DeleteCollection deletes a collection of objects.
+func (c *serverStatusRequests) DeleteCollection(options *meta_v1.DeleteOptions, listOptions meta_v1.ListOptions) error {
+	return c.client.Delete().
+		Namespace(c.ns).
+		Resource("serverstatusrequests").
+		VersionedParams(&listOptions, scheme.ParameterCodec).
+		Body(options).
+		Do().
+		Error()
+}
+
+// Patch applies the patch and returns the patched serverStatusRequest.
+func (c *serverStatusRequests) Patch(name string, pt types.PatchType, data []byte, subresources ...string) (result *v1.ServerStatusRequest, err error) {
+	result = &v1.ServerStatusRequest{}
+	err = c.client.Patch(pt).
+		Namespace(c.ns).
+		Resource("serverstatusrequests").
+		SubResource(subresources...).
+		Name(name).
+		Body(data).
+		Do().
+		Into(result)
+	return
+}

pkg/generated/informers/externalversions/ark/v1/interface.go

@@ -42,6 +42,8 @@ type Interface interface {
 	Restores() RestoreInformer
 	// Schedules returns a ScheduleInformer.
 	Schedules() ScheduleInformer
+	// ServerStatusRequests returns a ServerStatusRequestInformer.
+	ServerStatusRequests() ServerStatusRequestInformer
 	// VolumeSnapshotLocations returns a VolumeSnapshotLocationInformer.
 	VolumeSnapshotLocations() VolumeSnapshotLocationInformer
 }
@@ -102,6 +104,11 @@ func (v *version) Schedules() ScheduleInformer {
 	return &scheduleInformer{factory: v.factory, namespace: v.namespace, tweakListOptions: v.tweakListOptions}
 }
 
+// ServerStatusRequests returns a ServerStatusRequestInformer.
+func (v *version) ServerStatusRequests() ServerStatusRequestInformer {
+	return &serverStatusRequestInformer{factory: v.factory, namespace: v.namespace, tweakListOptions: v.tweakListOptions}
+}
+
 // VolumeSnapshotLocations returns a VolumeSnapshotLocationInformer.
 func (v *version) VolumeSnapshotLocations() VolumeSnapshotLocationInformer {
 	return &volumeSnapshotLocationInformer{factory: v.factory, namespace: v.namespace, tweakListOptions: v.tweakListOptions}

pkg/generated/informers/externalversions/ark/v1/serverstatusrequest.go

@@ -0,0 +1,89 @@
+/*
+Copyright the Heptio Ark 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.
+*/
+
+// Code generated by informer-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	time "time"
+
+	ark_v1 "github.com/heptio/ark/pkg/apis/ark/v1"
+	versioned "github.com/heptio/ark/pkg/generated/clientset/versioned"
+	internalinterfaces "github.com/heptio/ark/pkg/generated/informers/externalversions/internalinterfaces"
+	v1 "github.com/heptio/ark/pkg/generated/listers/ark/v1"
+	meta_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"
+)
+
+// ServerStatusRequestInformer provides access to a shared informer and lister for
+// ServerStatusRequests.
+type ServerStatusRequestInformer interface {
+	Informer() cache.SharedIndexInformer
+	Lister() v1.ServerStatusRequestLister
+}
+
+type serverStatusRequestInformer struct {
+	factory          internalinterfaces.SharedInformerFactory
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+	namespace        string
+}
+
+// NewServerStatusRequestInformer constructs a new informer for ServerStatusRequest 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 NewServerStatusRequestInformer(client versioned.Interface, namespace string, resyncPeriod time.Duration, indexers cache.Indexers) cache.SharedIndexInformer {
+	return NewFilteredServerStatusRequestInformer(client, namespace, resyncPeriod, indexers, nil)
+}
+
+// NewFilteredServerStatusRequestInformer constructs a new informer for ServerStatusRequest 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 NewFilteredServerStatusRequestInformer(client versioned.Interface, namespace string, resyncPeriod time.Duration, indexers cache.Indexers, tweakListOptions internalinterfaces.TweakListOptionsFunc) cache.SharedIndexInformer {
+	return cache.NewSharedIndexInformer(
+		&cache.ListWatch{
+			ListFunc: func(options meta_v1.ListOptions) (runtime.Object, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&options)
+				}
+				return client.ArkV1().ServerStatusRequests(namespace).List(options)
+			},
+			WatchFunc: func(options meta_v1.ListOptions) (watch.Interface, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&options)
+				}
+				return client.ArkV1().ServerStatusRequests(namespace).Watch(options)
+			},
+		},
+		&ark_v1.ServerStatusRequest{},
+		resyncPeriod,
+		indexers,
+	)
+}
+
+func (f *serverStatusRequestInformer) defaultInformer(client versioned.Interface, resyncPeriod time.Duration) cache.SharedIndexInformer {
+	return NewFilteredServerStatusRequestInformer(client, f.namespace, resyncPeriod, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc}, f.tweakListOptions)
+}
+
+func (f *serverStatusRequestInformer) Informer() cache.SharedIndexInformer {
+	return f.factory.InformerFor(&ark_v1.ServerStatusRequest{}, f.defaultInformer)
+}
+
+func (f *serverStatusRequestInformer) Lister() v1.ServerStatusRequestLister {
+	return v1.NewServerStatusRequestLister(f.Informer().GetIndexer())
+}

pkg/generated/informers/externalversions/generic.go

@@ -71,6 +71,8 @@ func (f *sharedInformerFactory) ForResource(resource schema.GroupVersionResource
 		return &genericInformer{resource: resource.GroupResource(), informer: f.Ark().V1().Restores().Informer()}, nil
 	case v1.SchemeGroupVersion.WithResource("schedules"):
 		return &genericInformer{resource: resource.GroupResource(), informer: f.Ark().V1().Schedules().Informer()}, nil
+	case v1.SchemeGroupVersion.WithResource("serverstatusrequests"):
+		return &genericInformer{resource: resource.GroupResource(), informer: f.Ark().V1().ServerStatusRequests().Informer()}, nil
 	case v1.SchemeGroupVersion.WithResource("volumesnapshotlocations"):
 		return &genericInformer{resource: resource.GroupResource(), informer: f.Ark().V1().VolumeSnapshotLocations().Informer()}, nil
 

pkg/generated/listers/ark/v1/expansion_generated.go

@@ -90,6 +90,14 @@ type ScheduleListerExpansion interface{}
 // ScheduleNamespaceLister.
 type ScheduleNamespaceListerExpansion interface{}
 
+// ServerStatusRequestListerExpansion allows custom methods to be added to
+// ServerStatusRequestLister.
+type ServerStatusRequestListerExpansion interface{}
+
+// ServerStatusRequestNamespaceListerExpansion allows custom methods to be added to
+// ServerStatusRequestNamespaceLister.
+type ServerStatusRequestNamespaceListerExpansion interface{}
+
 // VolumeSnapshotLocationListerExpansion allows custom methods to be added to
 // VolumeSnapshotLocationLister.
 type VolumeSnapshotLocationListerExpansion interface{}

pkg/generated/listers/ark/v1/serverstatusrequest.go

@@ -0,0 +1,94 @@
+/*
+Copyright the Heptio Ark 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.
+*/
+
+// Code generated by lister-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	v1 "github.com/heptio/ark/pkg/apis/ark/v1"
+	"k8s.io/apimachinery/pkg/api/errors"
+	"k8s.io/apimachinery/pkg/labels"
+	"k8s.io/client-go/tools/cache"
+)
+
+// ServerStatusRequestLister helps list ServerStatusRequests.
+type ServerStatusRequestLister interface {
+	// List lists all ServerStatusRequests in the indexer.
+	List(selector labels.Selector) (ret []*v1.ServerStatusRequest, err error)
+	// ServerStatusRequests returns an object that can list and get ServerStatusRequests.
+	ServerStatusRequests(namespace string) ServerStatusRequestNamespaceLister
+	ServerStatusRequestListerExpansion
+}
+
+// serverStatusRequestLister implements the ServerStatusRequestLister interface.
+type serverStatusRequestLister struct {
+	indexer cache.Indexer
+}
+
+// NewServerStatusRequestLister returns a new ServerStatusRequestLister.
+func NewServerStatusRequestLister(indexer cache.Indexer) ServerStatusRequestLister {
+	return &serverStatusRequestLister{indexer: indexer}
+}
+
+// List lists all ServerStatusRequests in the indexer.
+func (s *serverStatusRequestLister) List(selector labels.Selector) (ret []*v1.ServerStatusRequest, err error) {
+	err = cache.ListAll(s.indexer, selector, func(m interface{}) {
+		ret = append(ret, m.(*v1.ServerStatusRequest))
+	})
+	return ret, err
+}
+
+// ServerStatusRequests returns an object that can list and get ServerStatusRequests.
+func (s *serverStatusRequestLister) ServerStatusRequests(namespace string) ServerStatusRequestNamespaceLister {
+	return serverStatusRequestNamespaceLister{indexer: s.indexer, namespace: namespace}
+}
+
+// ServerStatusRequestNamespaceLister helps list and get ServerStatusRequests.
+type ServerStatusRequestNamespaceLister interface {
+	// List lists all ServerStatusRequests in the indexer for a given namespace.
+	List(selector labels.Selector) (ret []*v1.ServerStatusRequest, err error)
+	// Get retrieves the ServerStatusRequest from the indexer for a given namespace and name.
+	Get(name string) (*v1.ServerStatusRequest, error)
+	ServerStatusRequestNamespaceListerExpansion
+}
+
+// serverStatusRequestNamespaceLister implements the ServerStatusRequestNamespaceLister
+// interface.
+type serverStatusRequestNamespaceLister struct {
+	indexer   cache.Indexer
+	namespace string
+}
+
+// List lists all ServerStatusRequests in the indexer for a given namespace.
+func (s serverStatusRequestNamespaceLister) List(selector labels.Selector) (ret []*v1.ServerStatusRequest, err error) {
+	err = cache.ListAllByNamespace(s.indexer, s.namespace, selector, func(m interface{}) {
+		ret = append(ret, m.(*v1.ServerStatusRequest))
+	})
+	return ret, err
+}
+
+// Get retrieves the ServerStatusRequest from the indexer for a given namespace and name.
+func (s serverStatusRequestNamespaceLister) Get(name string) (*v1.ServerStatusRequest, error) {
+	obj, exists, err := s.indexer.GetByKey(s.namespace + "/" + name)
+	if err != nil {
+		return nil, err
+	}
+	if !exists {
+		return nil, errors.NewNotFound(v1.Resource("serverstatusrequest"), name)
+	}
+	return obj.(*v1.ServerStatusRequest), nil
+}

pkg/serverstatusrequest/builder.go

@@ -0,0 +1,74 @@
+/*
+Copyright 2018 the Heptio Ark 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 serverstatusrequest
+
+import (
+	"time"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	arkv1api "github.com/heptio/ark/pkg/apis/ark/v1"
+)
+
+type Builder struct {
+	serverStatusRequest arkv1api.ServerStatusRequest
+}
+
+func NewBuilder() *Builder {
+	return &Builder{
+		serverStatusRequest: arkv1api.ServerStatusRequest{
+			TypeMeta: metav1.TypeMeta{
+				APIVersion: arkv1api.SchemeGroupVersion.String(),
+				Kind:       "ServerStatusRequest",
+			},
+		},
+	}
+}
+
+func (b *Builder) Build() *arkv1api.ServerStatusRequest {
+	return &b.serverStatusRequest
+}
+
+func (b *Builder) Namespace(namespace string) *Builder {
+	b.serverStatusRequest.Namespace = namespace
+	return b
+}
+
+func (b *Builder) Name(name string) *Builder {
+	b.serverStatusRequest.Name = name
+	return b
+}
+
+func (b *Builder) GenerateName(name string) *Builder {
+	b.serverStatusRequest.GenerateName = name
+	return b
+}
+
+func (b *Builder) Phase(phase arkv1api.ServerStatusRequestPhase) *Builder {
+	b.serverStatusRequest.Status.Phase = phase
+	return b
+}
+
+func (b *Builder) ProcessedTimestamp(time time.Time) *Builder {
+	b.serverStatusRequest.Status.ProcessedTimestamp.Time = time
+	return b
+}
+
+func (b *Builder) ServerVersion(version string) *Builder {
+	b.serverStatusRequest.Status.ServerVersion = version
+	return b
+}

pkg/serverstatusrequest/process.go

@@ -0,0 +1,90 @@
+/*
+Copyright 2018 the Heptio Ark 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 serverstatusrequest
+
+import (
+	"encoding/json"
+	"time"
+
+	jsonpatch "github.com/evanphx/json-patch"
+	"github.com/pkg/errors"
+	"github.com/sirupsen/logrus"
+	"k8s.io/apimachinery/pkg/types"
+	"k8s.io/apimachinery/pkg/util/clock"
+
+	arkv1api "github.com/heptio/ark/pkg/apis/ark/v1"
+	"github.com/heptio/ark/pkg/buildinfo"
+	arkv1client "github.com/heptio/ark/pkg/generated/clientset/versioned/typed/ark/v1"
+)
+
+const ttl = time.Minute
+
+// Process fills out new ServerStatusRequest objects and deletes processed ones
+// that have expired.
+func Process(req *arkv1api.ServerStatusRequest, client arkv1client.ServerStatusRequestsGetter, clock clock.Clock, log logrus.FieldLogger) error {
+	switch req.Status.Phase {
+	case "", arkv1api.ServerStatusRequestPhaseNew:
+		log.Info("Processing new ServerStatusRequest")
+		return errors.WithStack(patch(client, req, func(req *arkv1api.ServerStatusRequest) {
+			req.Status.ServerVersion = buildinfo.Version
+			req.Status.ProcessedTimestamp.Time = clock.Now()
+			req.Status.Phase = arkv1api.ServerStatusRequestPhaseProcessed
+		}))
+	case arkv1api.ServerStatusRequestPhaseProcessed:
+		log.Debug("Checking whether ServerStatusRequest has expired")
+		expiration := req.Status.ProcessedTimestamp.Add(ttl)
+		if expiration.After(clock.Now()) {
+			log.Debug("ServerStatusRequest has not expired")
+			return nil
+		}
+
+		log.Debug("ServerStatusRequest has expired, deleting it")
+		if err := client.ServerStatusRequests(req.Namespace).Delete(req.Name, nil); err != nil {
+			return errors.WithStack(err)
+		}
+
+		return nil
+	default:
+		return errors.Errorf("unexpected ServerStatusRequest phase %q", req.Status.Phase)
+	}
+}
+
+func patch(client arkv1client.ServerStatusRequestsGetter, req *arkv1api.ServerStatusRequest, updateFunc func(*arkv1api.ServerStatusRequest)) error {
+	originalJSON, err := json.Marshal(req)
+	if err != nil {
+		return errors.WithStack(err)
+	}
+
+	updateFunc(req)
+
+	updatedJSON, err := json.Marshal(req)
+	if err != nil {
+		return errors.WithStack(err)
+	}
+
+	patchBytes, err := jsonpatch.CreateMergePatch(originalJSON, updatedJSON)
+	if err != nil {
+		return errors.WithStack(err)
+	}
+
+	_, err = client.ServerStatusRequests(req.Namespace).Patch(req.Name, types.MergePatchType, patchBytes)
+	if err != nil {
+		return errors.WithStack(err)
+	}
+
+	return nil
+}

pkg/serverstatusrequest/process_test.go

@@ -0,0 +1,126 @@
+/*
+Copyright 2018 the Heptio Ark 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 serverstatusrequest
+
+import (
+	"testing"
+	"time"
+
+	"github.com/sirupsen/logrus"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	apierrors "k8s.io/apimachinery/pkg/api/errors"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/util/clock"
+
+	arkv1api "github.com/heptio/ark/pkg/apis/ark/v1"
+	"github.com/heptio/ark/pkg/buildinfo"
+	"github.com/heptio/ark/pkg/generated/clientset/versioned/fake"
+)
+
+func statusRequestBuilder() *Builder {
+	return NewBuilder().Namespace(arkv1api.DefaultNamespace).Name("sr-1")
+}
+
+func TestProcess(t *testing.T) {
+	// now will be used to set the fake clock's time; capture
+	// it here so it can be referenced in the test case defs.
+	now, err := time.Parse(time.RFC1123, time.RFC1123)
+	require.NoError(t, err)
+	now = now.Local()
+
+	buildinfo.Version = "test-version-val"
+
+	tests := []struct {
+		name           string
+		req            *arkv1api.ServerStatusRequest
+		expected       *arkv1api.ServerStatusRequest
+		expectedErrMsg string
+	}{
+		{
+			name: "server status request with empty phase gets processed",
+			req:  statusRequestBuilder().Build(),
+			expected: statusRequestBuilder().
+				ServerVersion(buildinfo.Version).
+				Phase(arkv1api.ServerStatusRequestPhaseProcessed).
+				ProcessedTimestamp(now).
+				Build(),
+		},
+		{
+			name: "server status request with phase=New gets processed",
+			req: statusRequestBuilder().
+				Phase(arkv1api.ServerStatusRequestPhaseNew).
+				Build(),
+			expected: statusRequestBuilder().
+				ServerVersion(buildinfo.Version).
+				Phase(arkv1api.ServerStatusRequestPhaseProcessed).
+				ProcessedTimestamp(now).
+				Build(),
+		},
+		{
+			name: "server status request with phase=Processed gets deleted if expired",
+			req: statusRequestBuilder().
+				Phase(arkv1api.ServerStatusRequestPhaseProcessed).
+				ProcessedTimestamp(now.Add(-61 * time.Second)).
+				Build(),
+			expected: nil,
+		},
+		{
+			name: "server status request with phase=Processed does not get deleted if not expired",
+			req: statusRequestBuilder().
+				Phase(arkv1api.ServerStatusRequestPhaseProcessed).
+				ProcessedTimestamp(now.Add(-59 * time.Second)).
+				Build(),
+			expected: statusRequestBuilder().
+				Phase(arkv1api.ServerStatusRequestPhaseProcessed).
+				ProcessedTimestamp(now.Add(-59 * time.Second)).
+				Build(),
+		},
+		{
+			name: "server status request with invalid phase returns an error",
+			req: statusRequestBuilder().
+				Phase(arkv1api.ServerStatusRequestPhase("an-invalid-phase")).
+				Build(),
+			expected: statusRequestBuilder().
+				Phase(arkv1api.ServerStatusRequestPhase("an-invalid-phase")).
+				Build(),
+			expectedErrMsg: "unexpected ServerStatusRequest phase \"an-invalid-phase\"",
+		},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			client := fake.NewSimpleClientset(tc.req)
+
+			err := Process(tc.req, client.ArkV1(), clock.NewFakeClock(now), logrus.StandardLogger())
+			if tc.expectedErrMsg == "" {
+				assert.Nil(t, err)
+			} else {
+				assert.EqualError(t, err, tc.expectedErrMsg)
+			}
+
+			res, err := client.ArkV1().ServerStatusRequests(tc.req.Namespace).Get(tc.req.Name, metav1.GetOptions{})
+			if tc.expected == nil {
+				assert.Nil(t, res)
+				assert.True(t, apierrors.IsNotFound(err))
+			} else {
+				assert.Equal(t, tc.expected, res)
+				assert.Nil(t, err)
+			}
+		})
+	}
+}