Vendor dependencies for GCS

vendor/cloud.google.com/go/spanner/admin/instance/apiv1/doc.go

@@ -0,0 +1,41 @@
+// Copyright 2017, Google Inc. All rights reserved.
+//
+// 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.
+
+// AUTO-GENERATED CODE. DO NOT EDIT.
+
+// Package instance is an experimental, auto-generated package for the
+// Cloud Spanner Instance Admin API.
+//
+package instance // import "cloud.google.com/go/spanner/admin/instance/apiv1"
+
+import (
+	"golang.org/x/net/context"
+	"google.golang.org/grpc/metadata"
+)
+
+func insertXGoog(ctx context.Context, val []string) context.Context {
+	md, _ := metadata.FromOutgoingContext(ctx)
+	md = md.Copy()
+	md["x-goog-api-client"] = val
+	return metadata.NewOutgoingContext(ctx, md)
+}
+
+// DefaultAuthScopes reports the authentication scopes required
+// by this package.
+func DefaultAuthScopes() []string {
+	return []string{
+		"https://www.googleapis.com/auth/cloud-platform",
+		"https://www.googleapis.com/auth/spanner.admin",
+	}
+}

vendor/cloud.google.com/go/spanner/admin/instance/apiv1/instance_admin_client.go

@@ -0,0 +1,731 @@
+// Copyright 2017, Google Inc. All rights reserved.
+//
+// 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.
+
+// AUTO-GENERATED CODE. DO NOT EDIT.
+
+package instance
+
+import (
+	"math"
+	"time"
+
+	"cloud.google.com/go/internal/version"
+	"cloud.google.com/go/longrunning"
+	lroauto "cloud.google.com/go/longrunning/autogen"
+	gax "github.com/googleapis/gax-go"
+	"golang.org/x/net/context"
+	"google.golang.org/api/iterator"
+	"google.golang.org/api/option"
+	"google.golang.org/api/transport"
+	iampb "google.golang.org/genproto/googleapis/iam/v1"
+	longrunningpb "google.golang.org/genproto/googleapis/longrunning"
+	instancepb "google.golang.org/genproto/googleapis/spanner/admin/instance/v1"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/codes"
+)
+
+var (
+	instanceAdminProjectPathTemplate        = gax.MustCompilePathTemplate("projects/{project}")
+	instanceAdminInstanceConfigPathTemplate = gax.MustCompilePathTemplate("projects/{project}/instanceConfigs/{instance_config}")
+	instanceAdminInstancePathTemplate       = gax.MustCompilePathTemplate("projects/{project}/instances/{instance}")
+)
+
+// InstanceAdminCallOptions contains the retry settings for each method of InstanceAdminClient.
+type InstanceAdminCallOptions struct {
+	ListInstanceConfigs []gax.CallOption
+	GetInstanceConfig   []gax.CallOption
+	ListInstances       []gax.CallOption
+	GetInstance         []gax.CallOption
+	CreateInstance      []gax.CallOption
+	UpdateInstance      []gax.CallOption
+	DeleteInstance      []gax.CallOption
+	SetIamPolicy        []gax.CallOption
+	GetIamPolicy        []gax.CallOption
+	TestIamPermissions  []gax.CallOption
+}
+
+func defaultInstanceAdminClientOptions() []option.ClientOption {
+	return []option.ClientOption{
+		option.WithEndpoint("spanner.googleapis.com:443"),
+		option.WithScopes(DefaultAuthScopes()...),
+	}
+}
+
+func defaultInstanceAdminCallOptions() *InstanceAdminCallOptions {
+	retry := map[[2]string][]gax.CallOption{
+		{"default", "idempotent"}: {
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnCodes([]codes.Code{
+					codes.DeadlineExceeded,
+					codes.Unavailable,
+				}, gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.3,
+				})
+			}),
+		},
+	}
+	return &InstanceAdminCallOptions{
+		ListInstanceConfigs: retry[[2]string{"default", "idempotent"}],
+		GetInstanceConfig:   retry[[2]string{"default", "idempotent"}],
+		ListInstances:       retry[[2]string{"default", "idempotent"}],
+		GetInstance:         retry[[2]string{"default", "idempotent"}],
+		CreateInstance:      retry[[2]string{"default", "non_idempotent"}],
+		UpdateInstance:      retry[[2]string{"default", "non_idempotent"}],
+		DeleteInstance:      retry[[2]string{"default", "idempotent"}],
+		SetIamPolicy:        retry[[2]string{"default", "non_idempotent"}],
+		GetIamPolicy:        retry[[2]string{"default", "idempotent"}],
+		TestIamPermissions:  retry[[2]string{"default", "non_idempotent"}],
+	}
+}
+
+// InstanceAdminClient is a client for interacting with Cloud Spanner Instance Admin API.
+type InstanceAdminClient struct {
+	// The connection to the service.
+	conn *grpc.ClientConn
+
+	// The gRPC API client.
+	instanceAdminClient instancepb.InstanceAdminClient
+
+	// LROClient is used internally to handle longrunning operations.
+	// It is exposed so that its CallOptions can be modified if required.
+	// Users should not Close this client.
+	LROClient *lroauto.OperationsClient
+
+	// The call options for this service.
+	CallOptions *InstanceAdminCallOptions
+
+	// The metadata to be sent with each request.
+	xGoogHeader []string
+}
+
+// NewInstanceAdminClient creates a new instance admin client.
+//
+// Cloud Spanner Instance Admin API
+//
+// The Cloud Spanner Instance Admin API can be used to create, delete,
+// modify and list instances. Instances are dedicated Cloud Spanner serving
+// and storage resources to be used by Cloud Spanner databases.
+//
+// Each instance has a "configuration", which dictates where the
+// serving resources for the Cloud Spanner instance are located (e.g.,
+// US-central, Europe). Configurations are created by Google based on
+// resource availability.
+//
+// Cloud Spanner billing is based on the instances that exist and their
+// sizes. After an instance exists, there are no additional
+// per-database or per-operation charges for use of the instance
+// (though there may be additional network bandwidth charges).
+// Instances offer isolation: problems with databases in one instance
+// will not affect other instances. However, within an instance
+// databases can affect each other. For example, if one database in an
+// instance receives a lot of requests and consumes most of the
+// instance resources, fewer resources are available for other
+// databases in that instance, and their performance may suffer.
+func NewInstanceAdminClient(ctx context.Context, opts ...option.ClientOption) (*InstanceAdminClient, error) {
+	conn, err := transport.DialGRPC(ctx, append(defaultInstanceAdminClientOptions(), opts...)...)
+	if err != nil {
+		return nil, err
+	}
+	c := &InstanceAdminClient{
+		conn:        conn,
+		CallOptions: defaultInstanceAdminCallOptions(),
+
+		instanceAdminClient: instancepb.NewInstanceAdminClient(conn),
+	}
+	c.SetGoogleClientInfo()
+
+	c.LROClient, err = lroauto.NewOperationsClient(ctx, option.WithGRPCConn(conn))
+	if err != nil {
+		// This error "should not happen", since we are just reusing old connection
+		// and never actually need to dial.
+		// If this does happen, we could leak conn. However, we cannot close conn:
+		// If the user invoked the function with option.WithGRPCConn,
+		// we would close a connection that's still in use.
+		// TODO(pongad): investigate error conditions.
+		return nil, err
+	}
+	return c, nil
+}
+
+// Connection returns the client's connection to the API service.
+func (c *InstanceAdminClient) Connection() *grpc.ClientConn {
+	return c.conn
+}
+
+// Close closes the connection to the API service. The user should invoke this when
+// the client is no longer required.
+func (c *InstanceAdminClient) Close() error {
+	return c.conn.Close()
+}
+
+// SetGoogleClientInfo sets the name and version of the application in
+// the `x-goog-api-client` header passed on each request. Intended for
+// use by Google-written clients.
+func (c *InstanceAdminClient) SetGoogleClientInfo(keyval ...string) {
+	kv := append([]string{"gl-go", version.Go()}, keyval...)
+	kv = append(kv, "gapic", version.Repo, "gax", gax.Version, "grpc", grpc.Version)
+	c.xGoogHeader = []string{gax.XGoogHeader(kv...)}
+}
+
+// InstanceAdminProjectPath returns the path for the project resource.
+func InstanceAdminProjectPath(project string) string {
+	path, err := instanceAdminProjectPathTemplate.Render(map[string]string{
+		"project": project,
+	})
+	if err != nil {
+		panic(err)
+	}
+	return path
+}
+
+// InstanceAdminInstanceConfigPath returns the path for the instance config resource.
+func InstanceAdminInstanceConfigPath(project, instanceConfig string) string {
+	path, err := instanceAdminInstanceConfigPathTemplate.Render(map[string]string{
+		"project":         project,
+		"instance_config": instanceConfig,
+	})
+	if err != nil {
+		panic(err)
+	}
+	return path
+}
+
+// InstanceAdminInstancePath returns the path for the instance resource.
+func InstanceAdminInstancePath(project, instance string) string {
+	path, err := instanceAdminInstancePathTemplate.Render(map[string]string{
+		"project":  project,
+		"instance": instance,
+	})
+	if err != nil {
+		panic(err)
+	}
+	return path
+}
+
+// ListInstanceConfigs lists the supported instance configurations for a given project.
+func (c *InstanceAdminClient) ListInstanceConfigs(ctx context.Context, req *instancepb.ListInstanceConfigsRequest, opts ...gax.CallOption) *InstanceConfigIterator {
+	ctx = insertXGoog(ctx, c.xGoogHeader)
+	opts = append(c.CallOptions.ListInstanceConfigs[0:len(c.CallOptions.ListInstanceConfigs):len(c.CallOptions.ListInstanceConfigs)], opts...)
+	it := &InstanceConfigIterator{}
+	it.InternalFetch = func(pageSize int, pageToken string) ([]*instancepb.InstanceConfig, string, error) {
+		var resp *instancepb.ListInstanceConfigsResponse
+		req.PageToken = pageToken
+		if pageSize > math.MaxInt32 {
+			req.PageSize = math.MaxInt32
+		} else {
+			req.PageSize = int32(pageSize)
+		}
+		err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+			var err error
+			resp, err = c.instanceAdminClient.ListInstanceConfigs(ctx, req, settings.GRPC...)
+			return err
+		}, opts...)
+		if err != nil {
+			return nil, "", err
+		}
+		return resp.InstanceConfigs, resp.NextPageToken, nil
+	}
+	fetch := func(pageSize int, pageToken string) (string, error) {
+		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
+		if err != nil {
+			return "", err
+		}
+		it.items = append(it.items, items...)
+		return nextPageToken, nil
+	}
+	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
+	return it
+}
+
+// GetInstanceConfig gets information about a particular instance configuration.
+func (c *InstanceAdminClient) GetInstanceConfig(ctx context.Context, req *instancepb.GetInstanceConfigRequest, opts ...gax.CallOption) (*instancepb.InstanceConfig, error) {
+	ctx = insertXGoog(ctx, c.xGoogHeader)
+	opts = append(c.CallOptions.GetInstanceConfig[0:len(c.CallOptions.GetInstanceConfig):len(c.CallOptions.GetInstanceConfig)], opts...)
+	var resp *instancepb.InstanceConfig
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.instanceAdminClient.GetInstanceConfig(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+// ListInstances lists all instances in the given project.
+func (c *InstanceAdminClient) ListInstances(ctx context.Context, req *instancepb.ListInstancesRequest, opts ...gax.CallOption) *InstanceIterator {
+	ctx = insertXGoog(ctx, c.xGoogHeader)
+	opts = append(c.CallOptions.ListInstances[0:len(c.CallOptions.ListInstances):len(c.CallOptions.ListInstances)], opts...)
+	it := &InstanceIterator{}
+	it.InternalFetch = func(pageSize int, pageToken string) ([]*instancepb.Instance, string, error) {
+		var resp *instancepb.ListInstancesResponse
+		req.PageToken = pageToken
+		if pageSize > math.MaxInt32 {
+			req.PageSize = math.MaxInt32
+		} else {
+			req.PageSize = int32(pageSize)
+		}
+		err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+			var err error
+			resp, err = c.instanceAdminClient.ListInstances(ctx, req, settings.GRPC...)
+			return err
+		}, opts...)
+		if err != nil {
+			return nil, "", err
+		}
+		return resp.Instances, resp.NextPageToken, nil
+	}
+	fetch := func(pageSize int, pageToken string) (string, error) {
+		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
+		if err != nil {
+			return "", err
+		}
+		it.items = append(it.items, items...)
+		return nextPageToken, nil
+	}
+	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
+	return it
+}
+
+// GetInstance gets information about a particular instance.
+func (c *InstanceAdminClient) GetInstance(ctx context.Context, req *instancepb.GetInstanceRequest, opts ...gax.CallOption) (*instancepb.Instance, error) {
+	ctx = insertXGoog(ctx, c.xGoogHeader)
+	opts = append(c.CallOptions.GetInstance[0:len(c.CallOptions.GetInstance):len(c.CallOptions.GetInstance)], opts...)
+	var resp *instancepb.Instance
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.instanceAdminClient.GetInstance(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+// CreateInstance creates an instance and begins preparing it to begin serving. The
+// returned [long-running operation][google.longrunning.Operation]
+// can be used to track the progress of preparing the new
+// instance. The instance name is assigned by the caller. If the
+// named instance already exists, `CreateInstance` returns
+// `ALREADY_EXISTS`.
+//
+// Immediately upon completion of this request:
+//
+//   * The instance is readable via the API, with all requested attributes
+//     but no allocated resources. Its state is `CREATING`.
+//
+// Until completion of the returned operation:
+//
+//   * Cancelling the operation renders the instance immediately unreadable
+//     via the API.
+//   * The instance can be deleted.
+//   * All other attempts to modify the instance are rejected.
+//
+// Upon completion of the returned operation:
+//
+//   * Billing for all successfully-allocated resources begins (some types
+//     may have lower than the requested levels).
+//   * Databases can be created in the instance.
+//   * The instance's allocated resource levels are readable via the API.
+//   * The instance's state becomes `READY`.
+//
+// The returned [long-running operation][google.longrunning.Operation] will
+// have a name of the format `<instance_name>/operations/<operation_id>` and
+// can be used to track creation of the instance.  The
+// [metadata][google.longrunning.Operation.metadata] field type is
+// [CreateInstanceMetadata][google.spanner.admin.instance.v1.CreateInstanceMetadata].
+// The [response][google.longrunning.Operation.response] field type is
+// [Instance][google.spanner.admin.instance.v1.Instance], if successful.
+func (c *InstanceAdminClient) CreateInstance(ctx context.Context, req *instancepb.CreateInstanceRequest, opts ...gax.CallOption) (*CreateInstanceOperation, error) {
+	ctx = insertXGoog(ctx, c.xGoogHeader)
+	opts = append(c.CallOptions.CreateInstance[0:len(c.CallOptions.CreateInstance):len(c.CallOptions.CreateInstance)], opts...)
+	var resp *longrunningpb.Operation
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.instanceAdminClient.CreateInstance(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return &CreateInstanceOperation{
+		lro: longrunning.InternalNewOperation(c.LROClient, resp),
+	}, nil
+}
+
+// UpdateInstance updates an instance, and begins allocating or releasing resources
+// as requested. The returned [long-running
+// operation][google.longrunning.Operation] can be used to track the
+// progress of updating the instance. If the named instance does not
+// exist, returns `NOT_FOUND`.
+//
+// Immediately upon completion of this request:
+//
+//   * For resource types for which a decrease in the instance's allocation
+//     has been requested, billing is based on the newly-requested level.
+//
+// Until completion of the returned operation:
+//
+//   * Cancelling the operation sets its metadata's
+//     [cancel_time][google.spanner.admin.instance.v1.UpdateInstanceMetadata.cancel_time], and begins
+//     restoring resources to their pre-request values. The operation
+//     is guaranteed to succeed at undoing all resource changes,
+//     after which point it terminates with a `CANCELLED` status.
+//   * All other attempts to modify the instance are rejected.
+//   * Reading the instance via the API continues to give the pre-request
+//     resource levels.
+//
+// Upon completion of the returned operation:
+//
+//   * Billing begins for all successfully-allocated resources (some types
+//     may have lower than the requested levels).
+//   * All newly-reserved resources are available for serving the instance's
+//     tables.
+//   * The instance's new resource levels are readable via the API.
+//
+// The returned [long-running operation][google.longrunning.Operation] will
+// have a name of the format `<instance_name>/operations/<operation_id>` and
+// can be used to track the instance modification.  The
+// [metadata][google.longrunning.Operation.metadata] field type is
+// [UpdateInstanceMetadata][google.spanner.admin.instance.v1.UpdateInstanceMetadata].
+// The [response][google.longrunning.Operation.response] field type is
+// [Instance][google.spanner.admin.instance.v1.Instance], if successful.
+//
+// Authorization requires `spanner.instances.update` permission on
+// resource [name][google.spanner.admin.instance.v1.Instance.name].
+func (c *InstanceAdminClient) UpdateInstance(ctx context.Context, req *instancepb.UpdateInstanceRequest, opts ...gax.CallOption) (*UpdateInstanceOperation, error) {
+	ctx = insertXGoog(ctx, c.xGoogHeader)
+	opts = append(c.CallOptions.UpdateInstance[0:len(c.CallOptions.UpdateInstance):len(c.CallOptions.UpdateInstance)], opts...)
+	var resp *longrunningpb.Operation
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.instanceAdminClient.UpdateInstance(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return &UpdateInstanceOperation{
+		lro: longrunning.InternalNewOperation(c.LROClient, resp),
+	}, nil
+}
+
+// DeleteInstance deletes an instance.
+//
+// Immediately upon completion of the request:
+//
+//   * Billing ceases for all of the instance's reserved resources.
+//
+// Soon afterward:
+//
+//   * The instance and *all of its databases* immediately and
+//     irrevocably disappear from the API. All data in the databases
+//     is permanently deleted.
+func (c *InstanceAdminClient) DeleteInstance(ctx context.Context, req *instancepb.DeleteInstanceRequest, opts ...gax.CallOption) error {
+	ctx = insertXGoog(ctx, c.xGoogHeader)
+	opts = append(c.CallOptions.DeleteInstance[0:len(c.CallOptions.DeleteInstance):len(c.CallOptions.DeleteInstance)], opts...)
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		_, err = c.instanceAdminClient.DeleteInstance(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	return err
+}
+
+// SetIamPolicy sets the access control policy on an instance resource. Replaces any
+// existing policy.
+//
+// Authorization requires `spanner.instances.setIamPolicy` on
+// [resource][google.iam.v1.SetIamPolicyRequest.resource].
+func (c *InstanceAdminClient) SetIamPolicy(ctx context.Context, req *iampb.SetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, error) {
+	ctx = insertXGoog(ctx, c.xGoogHeader)
+	opts = append(c.CallOptions.SetIamPolicy[0:len(c.CallOptions.SetIamPolicy):len(c.CallOptions.SetIamPolicy)], opts...)
+	var resp *iampb.Policy
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.instanceAdminClient.SetIamPolicy(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+// GetIamPolicy gets the access control policy for an instance resource. Returns an empty
+// policy if an instance exists but does not have a policy set.
+//
+// Authorization requires `spanner.instances.getIamPolicy` on
+// [resource][google.iam.v1.GetIamPolicyRequest.resource].
+func (c *InstanceAdminClient) GetIamPolicy(ctx context.Context, req *iampb.GetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, error) {
+	ctx = insertXGoog(ctx, c.xGoogHeader)
+	opts = append(c.CallOptions.GetIamPolicy[0:len(c.CallOptions.GetIamPolicy):len(c.CallOptions.GetIamPolicy)], opts...)
+	var resp *iampb.Policy
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.instanceAdminClient.GetIamPolicy(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+// TestIamPermissions returns permissions that the caller has on the specified instance resource.
+//
+// Attempting this RPC on a non-existent Cloud Spanner instance resource will
+// result in a NOT_FOUND error if the user has `spanner.instances.list`
+// permission on the containing Google Cloud Project. Otherwise returns an
+// empty set of permissions.
+func (c *InstanceAdminClient) TestIamPermissions(ctx context.Context, req *iampb.TestIamPermissionsRequest, opts ...gax.CallOption) (*iampb.TestIamPermissionsResponse, error) {
+	ctx = insertXGoog(ctx, c.xGoogHeader)
+	opts = append(c.CallOptions.TestIamPermissions[0:len(c.CallOptions.TestIamPermissions):len(c.CallOptions.TestIamPermissions)], opts...)
+	var resp *iampb.TestIamPermissionsResponse
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.instanceAdminClient.TestIamPermissions(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+// InstanceConfigIterator manages a stream of *instancepb.InstanceConfig.
+type InstanceConfigIterator struct {
+	items    []*instancepb.InstanceConfig
+	pageInfo *iterator.PageInfo
+	nextFunc func() error
+
+	// InternalFetch is for use by the Google Cloud Libraries only.
+	// It is not part of the stable interface of this package.
+	//
+	// InternalFetch returns results from a single call to the underlying RPC.
+	// The number of results is no greater than pageSize.
+	// If there are no more results, nextPageToken is empty and err is nil.
+	InternalFetch func(pageSize int, pageToken string) (results []*instancepb.InstanceConfig, nextPageToken string, err error)
+}
+
+// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
+func (it *InstanceConfigIterator) PageInfo() *iterator.PageInfo {
+	return it.pageInfo
+}
+
+// Next returns the next result. Its second return value is iterator.Done if there are no more
+// results. Once Next returns Done, all subsequent calls will return Done.
+func (it *InstanceConfigIterator) Next() (*instancepb.InstanceConfig, error) {
+	var item *instancepb.InstanceConfig
+	if err := it.nextFunc(); err != nil {
+		return item, err
+	}
+	item = it.items[0]
+	it.items = it.items[1:]
+	return item, nil
+}
+
+func (it *InstanceConfigIterator) bufLen() int {
+	return len(it.items)
+}
+
+func (it *InstanceConfigIterator) takeBuf() interface{} {
+	b := it.items
+	it.items = nil
+	return b
+}
+
+// InstanceIterator manages a stream of *instancepb.Instance.
+type InstanceIterator struct {
+	items    []*instancepb.Instance
+	pageInfo *iterator.PageInfo
+	nextFunc func() error
+
+	// InternalFetch is for use by the Google Cloud Libraries only.
+	// It is not part of the stable interface of this package.
+	//
+	// InternalFetch returns results from a single call to the underlying RPC.
+	// The number of results is no greater than pageSize.
+	// If there are no more results, nextPageToken is empty and err is nil.
+	InternalFetch func(pageSize int, pageToken string) (results []*instancepb.Instance, nextPageToken string, err error)
+}
+
+// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
+func (it *InstanceIterator) PageInfo() *iterator.PageInfo {
+	return it.pageInfo
+}
+
+// Next returns the next result. Its second return value is iterator.Done if there are no more
+// results. Once Next returns Done, all subsequent calls will return Done.
+func (it *InstanceIterator) Next() (*instancepb.Instance, error) {
+	var item *instancepb.Instance
+	if err := it.nextFunc(); err != nil {
+		return item, err
+	}
+	item = it.items[0]
+	it.items = it.items[1:]
+	return item, nil
+}
+
+func (it *InstanceIterator) bufLen() int {
+	return len(it.items)
+}
+
+func (it *InstanceIterator) takeBuf() interface{} {
+	b := it.items
+	it.items = nil
+	return b
+}
+
+// CreateInstanceOperation manages a long-running operation from CreateInstance.
+type CreateInstanceOperation struct {
+	lro *longrunning.Operation
+}
+
+// CreateInstanceOperation returns a new CreateInstanceOperation from a given name.
+// The name must be that of a previously created CreateInstanceOperation, possibly from a different process.
+func (c *InstanceAdminClient) CreateInstanceOperation(name string) *CreateInstanceOperation {
+	return &CreateInstanceOperation{
+		lro: longrunning.InternalNewOperation(c.LROClient, &longrunningpb.Operation{Name: name}),
+	}
+}
+
+// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
+//
+// See documentation of Poll for error-handling information.
+func (op *CreateInstanceOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*instancepb.Instance, error) {
+	var resp instancepb.Instance
+	if err := op.lro.Wait(ctx, &resp, opts...); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// Poll fetches the latest state of the long-running operation.
+//
+// Poll also fetches the latest metadata, which can be retrieved by Metadata.
+//
+// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
+// the operation has completed with failure, the error is returned and op.Done will return true.
+// If Poll succeeds and the operation has completed successfully,
+// op.Done will return true, and the response of the operation is returned.
+// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
+func (op *CreateInstanceOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*instancepb.Instance, error) {
+	var resp instancepb.Instance
+	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
+		return nil, err
+	}
+	if !op.Done() {
+		return nil, nil
+	}
+	return &resp, nil
+}
+
+// Metadata returns metadata associated with the long-running operation.
+// Metadata itself does not contact the server, but Poll does.
+// To get the latest metadata, call this method after a successful call to Poll.
+// If the metadata is not available, the returned metadata and error are both nil.
+func (op *CreateInstanceOperation) Metadata() (*instancepb.CreateInstanceMetadata, error) {
+	var meta instancepb.CreateInstanceMetadata
+	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
+		return nil, nil
+	} else if err != nil {
+		return nil, err
+	}
+	return &meta, nil
+}
+
+// Done reports whether the long-running operation has completed.
+func (op *CreateInstanceOperation) Done() bool {
+	return op.lro.Done()
+}
+
+// Name returns the name of the long-running operation.
+// The name is assigned by the server and is unique within the service from which the operation is created.
+func (op *CreateInstanceOperation) Name() string {
+	return op.lro.Name()
+}
+
+// UpdateInstanceOperation manages a long-running operation from UpdateInstance.
+type UpdateInstanceOperation struct {
+	lro *longrunning.Operation
+}
+
+// UpdateInstanceOperation returns a new UpdateInstanceOperation from a given name.
+// The name must be that of a previously created UpdateInstanceOperation, possibly from a different process.
+func (c *InstanceAdminClient) UpdateInstanceOperation(name string) *UpdateInstanceOperation {
+	return &UpdateInstanceOperation{
+		lro: longrunning.InternalNewOperation(c.LROClient, &longrunningpb.Operation{Name: name}),
+	}
+}
+
+// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
+//
+// See documentation of Poll for error-handling information.
+func (op *UpdateInstanceOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*instancepb.Instance, error) {
+	var resp instancepb.Instance
+	if err := op.lro.Wait(ctx, &resp, opts...); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// Poll fetches the latest state of the long-running operation.
+//
+// Poll also fetches the latest metadata, which can be retrieved by Metadata.
+//
+// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
+// the operation has completed with failure, the error is returned and op.Done will return true.
+// If Poll succeeds and the operation has completed successfully,
+// op.Done will return true, and the response of the operation is returned.
+// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
+func (op *UpdateInstanceOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*instancepb.Instance, error) {
+	var resp instancepb.Instance
+	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
+		return nil, err
+	}
+	if !op.Done() {
+		return nil, nil
+	}
+	return &resp, nil
+}
+
+// Metadata returns metadata associated with the long-running operation.
+// Metadata itself does not contact the server, but Poll does.
+// To get the latest metadata, call this method after a successful call to Poll.
+// If the metadata is not available, the returned metadata and error are both nil.
+func (op *UpdateInstanceOperation) Metadata() (*instancepb.UpdateInstanceMetadata, error) {
+	var meta instancepb.UpdateInstanceMetadata
+	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
+		return nil, nil
+	} else if err != nil {
+		return nil, err
+	}
+	return &meta, nil
+}
+
+// Done reports whether the long-running operation has completed.
+func (op *UpdateInstanceOperation) Done() bool {
+	return op.lro.Done()
+}
+
+// Name returns the name of the long-running operation.
+// The name is assigned by the server and is unique within the service from which the operation is created.
+func (op *UpdateInstanceOperation) Name() string {
+	return op.lro.Name()
+}

vendor/cloud.google.com/go/spanner/admin/instance/apiv1/instance_admin_client_example_test.go

@@ -0,0 +1,235 @@
+// Copyright 2017, Google Inc. All rights reserved.
+//
+// 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.
+
+// AUTO-GENERATED CODE. DO NOT EDIT.
+
+package instance_test
+
+import (
+	"cloud.google.com/go/spanner/admin/instance/apiv1"
+	"golang.org/x/net/context"
+	"google.golang.org/api/iterator"
+	iampb "google.golang.org/genproto/googleapis/iam/v1"
+	instancepb "google.golang.org/genproto/googleapis/spanner/admin/instance/v1"
+)
+
+func ExampleNewInstanceAdminClient() {
+	ctx := context.Background()
+	c, err := instance.NewInstanceAdminClient(ctx)
+	if err != nil {
+		// TODO: Handle error.
+	}
+	// TODO: Use client.
+	_ = c
+}
+
+func ExampleInstanceAdminClient_ListInstanceConfigs() {
+	ctx := context.Background()
+	c, err := instance.NewInstanceAdminClient(ctx)
+	if err != nil {
+		// TODO: Handle error.
+	}
+
+	req := &instancepb.ListInstanceConfigsRequest{
+	// TODO: Fill request struct fields.
+	}
+	it := c.ListInstanceConfigs(ctx, req)
+	for {
+		resp, err := it.Next()
+		if err == iterator.Done {
+			break
+		}
+		if err != nil {
+			// TODO: Handle error.
+		}
+		// TODO: Use resp.
+		_ = resp
+	}
+}
+
+func ExampleInstanceAdminClient_GetInstanceConfig() {
+	ctx := context.Background()
+	c, err := instance.NewInstanceAdminClient(ctx)
+	if err != nil {
+		// TODO: Handle error.
+	}
+
+	req := &instancepb.GetInstanceConfigRequest{
+	// TODO: Fill request struct fields.
+	}
+	resp, err := c.GetInstanceConfig(ctx, req)
+	if err != nil {
+		// TODO: Handle error.
+	}
+	// TODO: Use resp.
+	_ = resp
+}
+
+func ExampleInstanceAdminClient_ListInstances() {
+	ctx := context.Background()
+	c, err := instance.NewInstanceAdminClient(ctx)
+	if err != nil {
+		// TODO: Handle error.
+	}
+
+	req := &instancepb.ListInstancesRequest{
+	// TODO: Fill request struct fields.
+	}
+	it := c.ListInstances(ctx, req)
+	for {
+		resp, err := it.Next()
+		if err == iterator.Done {
+			break
+		}
+		if err != nil {
+			// TODO: Handle error.
+		}
+		// TODO: Use resp.
+		_ = resp
+	}
+}
+
+func ExampleInstanceAdminClient_GetInstance() {
+	ctx := context.Background()
+	c, err := instance.NewInstanceAdminClient(ctx)
+	if err != nil {
+		// TODO: Handle error.
+	}
+
+	req := &instancepb.GetInstanceRequest{
+	// TODO: Fill request struct fields.
+	}
+	resp, err := c.GetInstance(ctx, req)
+	if err != nil {
+		// TODO: Handle error.
+	}
+	// TODO: Use resp.
+	_ = resp
+}
+
+func ExampleInstanceAdminClient_CreateInstance() {
+	ctx := context.Background()
+	c, err := instance.NewInstanceAdminClient(ctx)
+	if err != nil {
+		// TODO: Handle error.
+	}
+
+	req := &instancepb.CreateInstanceRequest{
+	// TODO: Fill request struct fields.
+	}
+	op, err := c.CreateInstance(ctx, req)
+	if err != nil {
+		// TODO: Handle error.
+	}
+
+	resp, err := op.Wait(ctx)
+	if err != nil {
+		// TODO: Handle error.
+	}
+	// TODO: Use resp.
+	_ = resp
+}
+
+func ExampleInstanceAdminClient_UpdateInstance() {
+	ctx := context.Background()
+	c, err := instance.NewInstanceAdminClient(ctx)
+	if err != nil {
+		// TODO: Handle error.
+	}
+
+	req := &instancepb.UpdateInstanceRequest{
+	// TODO: Fill request struct fields.
+	}
+	op, err := c.UpdateInstance(ctx, req)
+	if err != nil {
+		// TODO: Handle error.
+	}
+
+	resp, err := op.Wait(ctx)
+	if err != nil {
+		// TODO: Handle error.
+	}
+	// TODO: Use resp.
+	_ = resp
+}
+
+func ExampleInstanceAdminClient_DeleteInstance() {
+	ctx := context.Background()
+	c, err := instance.NewInstanceAdminClient(ctx)
+	if err != nil {
+		// TODO: Handle error.
+	}
+
+	req := &instancepb.DeleteInstanceRequest{
+	// TODO: Fill request struct fields.
+	}
+	err = c.DeleteInstance(ctx, req)
+	if err != nil {
+		// TODO: Handle error.
+	}
+}
+
+func ExampleInstanceAdminClient_SetIamPolicy() {
+	ctx := context.Background()
+	c, err := instance.NewInstanceAdminClient(ctx)
+	if err != nil {
+		// TODO: Handle error.
+	}
+
+	req := &iampb.SetIamPolicyRequest{
+	// TODO: Fill request struct fields.
+	}
+	resp, err := c.SetIamPolicy(ctx, req)
+	if err != nil {
+		// TODO: Handle error.
+	}
+	// TODO: Use resp.
+	_ = resp
+}
+
+func ExampleInstanceAdminClient_GetIamPolicy() {
+	ctx := context.Background()
+	c, err := instance.NewInstanceAdminClient(ctx)
+	if err != nil {
+		// TODO: Handle error.
+	}
+
+	req := &iampb.GetIamPolicyRequest{
+	// TODO: Fill request struct fields.
+	}
+	resp, err := c.GetIamPolicy(ctx, req)
+	if err != nil {
+		// TODO: Handle error.
+	}
+	// TODO: Use resp.
+	_ = resp
+}
+
+func ExampleInstanceAdminClient_TestIamPermissions() {
+	ctx := context.Background()
+	c, err := instance.NewInstanceAdminClient(ctx)
+	if err != nil {
+		// TODO: Handle error.
+	}
+
+	req := &iampb.TestIamPermissionsRequest{
+	// TODO: Fill request struct fields.
+	}
+	resp, err := c.TestIamPermissions(ctx, req)
+	if err != nil {
+		// TODO: Handle error.
+	}
+	// TODO: Use resp.
+	_ = resp
+}

vendor/cloud.google.com/go/spanner/admin/instance/apiv1/mock_test.go

@@ -0,0 +1,917 @@
+// Copyright 2017, Google Inc. All rights reserved.
+//
+// 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.
+
+// AUTO-GENERATED CODE. DO NOT EDIT.
+
+package instance
+
+import (
+	emptypb "github.com/golang/protobuf/ptypes/empty"
+	iampb "google.golang.org/genproto/googleapis/iam/v1"
+	longrunningpb "google.golang.org/genproto/googleapis/longrunning"
+	instancepb "google.golang.org/genproto/googleapis/spanner/admin/instance/v1"
+	field_maskpb "google.golang.org/genproto/protobuf/field_mask"
+)
+
+import (
+	"flag"
+	"fmt"
+	"io"
+	"log"
+	"net"
+	"os"
+	"strings"
+	"testing"
+
+	"github.com/golang/protobuf/proto"
+	"github.com/golang/protobuf/ptypes"
+	"golang.org/x/net/context"
+	"google.golang.org/api/option"
+	status "google.golang.org/genproto/googleapis/rpc/status"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/metadata"
+	gstatus "google.golang.org/grpc/status"
+)
+
+var _ = io.EOF
+var _ = ptypes.MarshalAny
+var _ status.Status
+
+type mockInstanceAdminServer struct {
+	// Embed for forward compatibility.
+	// Tests will keep working if more methods are added
+	// in the future.
+	instancepb.InstanceAdminServer
+
+	reqs []proto.Message
+
+	// If set, all calls return this error.
+	err error
+
+	// responses to return if err == nil
+	resps []proto.Message
+}
+
+func (s *mockInstanceAdminServer) ListInstanceConfigs(ctx context.Context, req *instancepb.ListInstanceConfigsRequest) (*instancepb.ListInstanceConfigsResponse, error) {
+	md, _ := metadata.FromIncomingContext(ctx)
+	if xg := md["x-goog-api-client"]; len(xg) == 0 || !strings.Contains(xg[0], "gl-go/") {
+		return nil, fmt.Errorf("x-goog-api-client = %v, expected gl-go key", xg)
+	}
+	s.reqs = append(s.reqs, req)
+	if s.err != nil {
+		return nil, s.err
+	}
+	return s.resps[0].(*instancepb.ListInstanceConfigsResponse), nil
+}
+
+func (s *mockInstanceAdminServer) GetInstanceConfig(ctx context.Context, req *instancepb.GetInstanceConfigRequest) (*instancepb.InstanceConfig, error) {
+	md, _ := metadata.FromIncomingContext(ctx)
+	if xg := md["x-goog-api-client"]; len(xg) == 0 || !strings.Contains(xg[0], "gl-go/") {
+		return nil, fmt.Errorf("x-goog-api-client = %v, expected gl-go key", xg)
+	}
+	s.reqs = append(s.reqs, req)
+	if s.err != nil {
+		return nil, s.err
+	}
+	return s.resps[0].(*instancepb.InstanceConfig), nil
+}
+
+func (s *mockInstanceAdminServer) ListInstances(ctx context.Context, req *instancepb.ListInstancesRequest) (*instancepb.ListInstancesResponse, error) {
+	md, _ := metadata.FromIncomingContext(ctx)
+	if xg := md["x-goog-api-client"]; len(xg) == 0 || !strings.Contains(xg[0], "gl-go/") {
+		return nil, fmt.Errorf("x-goog-api-client = %v, expected gl-go key", xg)
+	}
+	s.reqs = append(s.reqs, req)
+	if s.err != nil {
+		return nil, s.err
+	}
+	return s.resps[0].(*instancepb.ListInstancesResponse), nil
+}
+
+func (s *mockInstanceAdminServer) GetInstance(ctx context.Context, req *instancepb.GetInstanceRequest) (*instancepb.Instance, error) {
+	md, _ := metadata.FromIncomingContext(ctx)
+	if xg := md["x-goog-api-client"]; len(xg) == 0 || !strings.Contains(xg[0], "gl-go/") {
+		return nil, fmt.Errorf("x-goog-api-client = %v, expected gl-go key", xg)
+	}
+	s.reqs = append(s.reqs, req)
+	if s.err != nil {
+		return nil, s.err
+	}
+	return s.resps[0].(*instancepb.Instance), nil
+}
+
+func (s *mockInstanceAdminServer) CreateInstance(ctx context.Context, req *instancepb.CreateInstanceRequest) (*longrunningpb.Operation, error) {
+	md, _ := metadata.FromIncomingContext(ctx)
+	if xg := md["x-goog-api-client"]; len(xg) == 0 || !strings.Contains(xg[0], "gl-go/") {
+		return nil, fmt.Errorf("x-goog-api-client = %v, expected gl-go key", xg)
+	}
+	s.reqs = append(s.reqs, req)
+	if s.err != nil {
+		return nil, s.err
+	}
+	return s.resps[0].(*longrunningpb.Operation), nil
+}
+
+func (s *mockInstanceAdminServer) UpdateInstance(ctx context.Context, req *instancepb.UpdateInstanceRequest) (*longrunningpb.Operation, error) {
+	md, _ := metadata.FromIncomingContext(ctx)
+	if xg := md["x-goog-api-client"]; len(xg) == 0 || !strings.Contains(xg[0], "gl-go/") {
+		return nil, fmt.Errorf("x-goog-api-client = %v, expected gl-go key", xg)
+	}
+	s.reqs = append(s.reqs, req)
+	if s.err != nil {
+		return nil, s.err
+	}
+	return s.resps[0].(*longrunningpb.Operation), nil
+}
+
+func (s *mockInstanceAdminServer) DeleteInstance(ctx context.Context, req *instancepb.DeleteInstanceRequest) (*emptypb.Empty, error) {
+	md, _ := metadata.FromIncomingContext(ctx)
+	if xg := md["x-goog-api-client"]; len(xg) == 0 || !strings.Contains(xg[0], "gl-go/") {
+		return nil, fmt.Errorf("x-goog-api-client = %v, expected gl-go key", xg)
+	}
+	s.reqs = append(s.reqs, req)
+	if s.err != nil {
+		return nil, s.err
+	}
+	return s.resps[0].(*emptypb.Empty), nil
+}
+
+func (s *mockInstanceAdminServer) SetIamPolicy(ctx context.Context, req *iampb.SetIamPolicyRequest) (*iampb.Policy, error) {
+	md, _ := metadata.FromIncomingContext(ctx)
+	if xg := md["x-goog-api-client"]; len(xg) == 0 || !strings.Contains(xg[0], "gl-go/") {
+		return nil, fmt.Errorf("x-goog-api-client = %v, expected gl-go key", xg)
+	}
+	s.reqs = append(s.reqs, req)
+	if s.err != nil {
+		return nil, s.err
+	}
+	return s.resps[0].(*iampb.Policy), nil
+}
+
+func (s *mockInstanceAdminServer) GetIamPolicy(ctx context.Context, req *iampb.GetIamPolicyRequest) (*iampb.Policy, error) {
+	md, _ := metadata.FromIncomingContext(ctx)
+	if xg := md["x-goog-api-client"]; len(xg) == 0 || !strings.Contains(xg[0], "gl-go/") {
+		return nil, fmt.Errorf("x-goog-api-client = %v, expected gl-go key", xg)
+	}
+	s.reqs = append(s.reqs, req)
+	if s.err != nil {
+		return nil, s.err
+	}
+	return s.resps[0].(*iampb.Policy), nil
+}
+
+func (s *mockInstanceAdminServer) TestIamPermissions(ctx context.Context, req *iampb.TestIamPermissionsRequest) (*iampb.TestIamPermissionsResponse, error) {
+	md, _ := metadata.FromIncomingContext(ctx)
+	if xg := md["x-goog-api-client"]; len(xg) == 0 || !strings.Contains(xg[0], "gl-go/") {
+		return nil, fmt.Errorf("x-goog-api-client = %v, expected gl-go key", xg)
+	}
+	s.reqs = append(s.reqs, req)
+	if s.err != nil {
+		return nil, s.err
+	}
+	return s.resps[0].(*iampb.TestIamPermissionsResponse), nil
+}
+
+// clientOpt is the option tests should use to connect to the test server.
+// It is initialized by TestMain.
+var clientOpt option.ClientOption
+
+var (
+	mockInstanceAdmin mockInstanceAdminServer
+)
+
+func TestMain(m *testing.M) {
+	flag.Parse()
+
+	serv := grpc.NewServer()
+	instancepb.RegisterInstanceAdminServer(serv, &mockInstanceAdmin)
+
+	lis, err := net.Listen("tcp", "localhost:0")
+	if err != nil {
+		log.Fatal(err)
+	}
+	go serv.Serve(lis)
+
+	conn, err := grpc.Dial(lis.Addr().String(), grpc.WithInsecure())
+	if err != nil {
+		log.Fatal(err)
+	}
+	clientOpt = option.WithGRPCConn(conn)
+
+	os.Exit(m.Run())
+}
+
+func TestInstanceAdminListInstanceConfigs(t *testing.T) {
+	var nextPageToken string = ""
+	var instanceConfigsElement *instancepb.InstanceConfig = &instancepb.InstanceConfig{}
+	var instanceConfigs = []*instancepb.InstanceConfig{instanceConfigsElement}
+	var expectedResponse = &instancepb.ListInstanceConfigsResponse{
+		NextPageToken:   nextPageToken,
+		InstanceConfigs: instanceConfigs,
+	}
+
+	mockInstanceAdmin.err = nil
+	mockInstanceAdmin.reqs = nil
+
+	mockInstanceAdmin.resps = append(mockInstanceAdmin.resps[:0], expectedResponse)
+
+	var formattedParent string = InstanceAdminProjectPath("[PROJECT]")
+	var request = &instancepb.ListInstanceConfigsRequest{
+		Parent: formattedParent,
+	}
+
+	c, err := NewInstanceAdminClient(context.Background(), clientOpt)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	resp, err := c.ListInstanceConfigs(context.Background(), request).Next()
+
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if want, got := request, mockInstanceAdmin.reqs[0]; !proto.Equal(want, got) {
+		t.Errorf("wrong request %q, want %q", got, want)
+	}
+
+	want := (interface{})(expectedResponse.InstanceConfigs[0])
+	got := (interface{})(resp)
+	var ok bool
+
+	switch want := (want).(type) {
+	case proto.Message:
+		ok = proto.Equal(want, got.(proto.Message))
+	default:
+		ok = want == got
+	}
+	if !ok {
+		t.Errorf("wrong response %q, want %q)", got, want)
+	}
+}
+
+func TestInstanceAdminListInstanceConfigsError(t *testing.T) {
+	errCode := codes.PermissionDenied
+	mockInstanceAdmin.err = gstatus.Error(errCode, "test error")
+
+	var formattedParent string = InstanceAdminProjectPath("[PROJECT]")
+	var request = &instancepb.ListInstanceConfigsRequest{
+		Parent: formattedParent,
+	}
+
+	c, err := NewInstanceAdminClient(context.Background(), clientOpt)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	resp, err := c.ListInstanceConfigs(context.Background(), request).Next()
+
+	if st, ok := gstatus.FromError(err); !ok {
+		t.Errorf("got error %v, expected grpc error", err)
+	} else if c := st.Code(); c != errCode {
+		t.Errorf("got error code %q, want %q", c, errCode)
+	}
+	_ = resp
+}
+func TestInstanceAdminGetInstanceConfig(t *testing.T) {
+	var name2 string = "name2-1052831874"
+	var displayName string = "displayName1615086568"
+	var expectedResponse = &instancepb.InstanceConfig{
+		Name:        name2,
+		DisplayName: displayName,
+	}
+
+	mockInstanceAdmin.err = nil
+	mockInstanceAdmin.reqs = nil
+
+	mockInstanceAdmin.resps = append(mockInstanceAdmin.resps[:0], expectedResponse)
+
+	var formattedName string = InstanceAdminInstanceConfigPath("[PROJECT]", "[INSTANCE_CONFIG]")
+	var request = &instancepb.GetInstanceConfigRequest{
+		Name: formattedName,
+	}
+
+	c, err := NewInstanceAdminClient(context.Background(), clientOpt)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	resp, err := c.GetInstanceConfig(context.Background(), request)
+
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if want, got := request, mockInstanceAdmin.reqs[0]; !proto.Equal(want, got) {
+		t.Errorf("wrong request %q, want %q", got, want)
+	}
+
+	if want, got := expectedResponse, resp; !proto.Equal(want, got) {
+		t.Errorf("wrong response %q, want %q)", got, want)
+	}
+}
+
+func TestInstanceAdminGetInstanceConfigError(t *testing.T) {
+	errCode := codes.PermissionDenied
+	mockInstanceAdmin.err = gstatus.Error(errCode, "test error")
+
+	var formattedName string = InstanceAdminInstanceConfigPath("[PROJECT]", "[INSTANCE_CONFIG]")
+	var request = &instancepb.GetInstanceConfigRequest{
+		Name: formattedName,
+	}
+
+	c, err := NewInstanceAdminClient(context.Background(), clientOpt)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	resp, err := c.GetInstanceConfig(context.Background(), request)
+
+	if st, ok := gstatus.FromError(err); !ok {
+		t.Errorf("got error %v, expected grpc error", err)
+	} else if c := st.Code(); c != errCode {
+		t.Errorf("got error code %q, want %q", c, errCode)
+	}
+	_ = resp
+}
+func TestInstanceAdminListInstances(t *testing.T) {
+	var nextPageToken string = ""
+	var instancesElement *instancepb.Instance = &instancepb.Instance{}
+	var instances = []*instancepb.Instance{instancesElement}
+	var expectedResponse = &instancepb.ListInstancesResponse{
+		NextPageToken: nextPageToken,
+		Instances:     instances,
+	}
+
+	mockInstanceAdmin.err = nil
+	mockInstanceAdmin.reqs = nil
+
+	mockInstanceAdmin.resps = append(mockInstanceAdmin.resps[:0], expectedResponse)
+
+	var formattedParent string = InstanceAdminProjectPath("[PROJECT]")
+	var request = &instancepb.ListInstancesRequest{
+		Parent: formattedParent,
+	}
+
+	c, err := NewInstanceAdminClient(context.Background(), clientOpt)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	resp, err := c.ListInstances(context.Background(), request).Next()
+
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if want, got := request, mockInstanceAdmin.reqs[0]; !proto.Equal(want, got) {
+		t.Errorf("wrong request %q, want %q", got, want)
+	}
+
+	want := (interface{})(expectedResponse.Instances[0])
+	got := (interface{})(resp)
+	var ok bool
+
+	switch want := (want).(type) {
+	case proto.Message:
+		ok = proto.Equal(want, got.(proto.Message))
+	default:
+		ok = want == got
+	}
+	if !ok {
+		t.Errorf("wrong response %q, want %q)", got, want)
+	}
+}
+
+func TestInstanceAdminListInstancesError(t *testing.T) {
+	errCode := codes.PermissionDenied
+	mockInstanceAdmin.err = gstatus.Error(errCode, "test error")
+
+	var formattedParent string = InstanceAdminProjectPath("[PROJECT]")
+	var request = &instancepb.ListInstancesRequest{
+		Parent: formattedParent,
+	}
+
+	c, err := NewInstanceAdminClient(context.Background(), clientOpt)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	resp, err := c.ListInstances(context.Background(), request).Next()
+
+	if st, ok := gstatus.FromError(err); !ok {
+		t.Errorf("got error %v, expected grpc error", err)
+	} else if c := st.Code(); c != errCode {
+		t.Errorf("got error code %q, want %q", c, errCode)
+	}
+	_ = resp
+}
+func TestInstanceAdminGetInstance(t *testing.T) {
+	var name2 string = "name2-1052831874"
+	var config string = "config-1354792126"
+	var displayName string = "displayName1615086568"
+	var nodeCount int32 = 1539922066
+	var expectedResponse = &instancepb.Instance{
+		Name:        name2,
+		Config:      config,
+		DisplayName: displayName,
+		NodeCount:   nodeCount,
+	}
+
+	mockInstanceAdmin.err = nil
+	mockInstanceAdmin.reqs = nil
+
+	mockInstanceAdmin.resps = append(mockInstanceAdmin.resps[:0], expectedResponse)
+
+	var formattedName string = InstanceAdminInstancePath("[PROJECT]", "[INSTANCE]")
+	var request = &instancepb.GetInstanceRequest{
+		Name: formattedName,
+	}
+
+	c, err := NewInstanceAdminClient(context.Background(), clientOpt)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	resp, err := c.GetInstance(context.Background(), request)
+
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if want, got := request, mockInstanceAdmin.reqs[0]; !proto.Equal(want, got) {
+		t.Errorf("wrong request %q, want %q", got, want)
+	}
+
+	if want, got := expectedResponse, resp; !proto.Equal(want, got) {
+		t.Errorf("wrong response %q, want %q)", got, want)
+	}
+}
+
+func TestInstanceAdminGetInstanceError(t *testing.T) {
+	errCode := codes.PermissionDenied
+	mockInstanceAdmin.err = gstatus.Error(errCode, "test error")
+
+	var formattedName string = InstanceAdminInstancePath("[PROJECT]", "[INSTANCE]")
+	var request = &instancepb.GetInstanceRequest{
+		Name: formattedName,
+	}
+
+	c, err := NewInstanceAdminClient(context.Background(), clientOpt)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	resp, err := c.GetInstance(context.Background(), request)
+
+	if st, ok := gstatus.FromError(err); !ok {
+		t.Errorf("got error %v, expected grpc error", err)
+	} else if c := st.Code(); c != errCode {
+		t.Errorf("got error code %q, want %q", c, errCode)
+	}
+	_ = resp
+}
+func TestInstanceAdminCreateInstance(t *testing.T) {
+	var name string = "name3373707"
+	var config string = "config-1354792126"
+	var displayName string = "displayName1615086568"
+	var nodeCount int32 = 1539922066
+	var expectedResponse = &instancepb.Instance{
+		Name:        name,
+		Config:      config,
+		DisplayName: displayName,
+		NodeCount:   nodeCount,
+	}
+
+	mockInstanceAdmin.err = nil
+	mockInstanceAdmin.reqs = nil
+
+	any, err := ptypes.MarshalAny(expectedResponse)
+	if err != nil {
+		t.Fatal(err)
+	}
+	mockInstanceAdmin.resps = append(mockInstanceAdmin.resps[:0], &longrunningpb.Operation{
+		Name:   "longrunning-test",
+		Done:   true,
+		Result: &longrunningpb.Operation_Response{Response: any},
+	})
+
+	var formattedParent string = InstanceAdminProjectPath("[PROJECT]")
+	var instanceId string = "instanceId-2101995259"
+	var instance *instancepb.Instance = &instancepb.Instance{}
+	var request = &instancepb.CreateInstanceRequest{
+		Parent:     formattedParent,
+		InstanceId: instanceId,
+		Instance:   instance,
+	}
+
+	c, err := NewInstanceAdminClient(context.Background(), clientOpt)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	respLRO, err := c.CreateInstance(context.Background(), request)
+	if err != nil {
+		t.Fatal(err)
+	}
+	resp, err := respLRO.Wait(context.Background())
+
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if want, got := request, mockInstanceAdmin.reqs[0]; !proto.Equal(want, got) {
+		t.Errorf("wrong request %q, want %q", got, want)
+	}
+
+	if want, got := expectedResponse, resp; !proto.Equal(want, got) {
+		t.Errorf("wrong response %q, want %q)", got, want)
+	}
+}
+
+func TestInstanceAdminCreateInstanceError(t *testing.T) {
+	errCode := codes.PermissionDenied
+	mockInstanceAdmin.err = nil
+	mockInstanceAdmin.resps = append(mockInstanceAdmin.resps[:0], &longrunningpb.Operation{
+		Name: "longrunning-test",
+		Done: true,
+		Result: &longrunningpb.Operation_Error{
+			Error: &status.Status{
+				Code:    int32(errCode),
+				Message: "test error",
+			},
+		},
+	})
+
+	var formattedParent string = InstanceAdminProjectPath("[PROJECT]")
+	var instanceId string = "instanceId-2101995259"
+	var instance *instancepb.Instance = &instancepb.Instance{}
+	var request = &instancepb.CreateInstanceRequest{
+		Parent:     formattedParent,
+		InstanceId: instanceId,
+		Instance:   instance,
+	}
+
+	c, err := NewInstanceAdminClient(context.Background(), clientOpt)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	respLRO, err := c.CreateInstance(context.Background(), request)
+	if err != nil {
+		t.Fatal(err)
+	}
+	resp, err := respLRO.Wait(context.Background())
+
+	if st, ok := gstatus.FromError(err); !ok {
+		t.Errorf("got error %v, expected grpc error", err)
+	} else if c := st.Code(); c != errCode {
+		t.Errorf("got error code %q, want %q", c, errCode)
+	}
+	_ = resp
+}
+func TestInstanceAdminUpdateInstance(t *testing.T) {
+	var name string = "name3373707"
+	var config string = "config-1354792126"
+	var displayName string = "displayName1615086568"
+	var nodeCount int32 = 1539922066
+	var expectedResponse = &instancepb.Instance{
+		Name:        name,
+		Config:      config,
+		DisplayName: displayName,
+		NodeCount:   nodeCount,
+	}
+
+	mockInstanceAdmin.err = nil
+	mockInstanceAdmin.reqs = nil
+
+	any, err := ptypes.MarshalAny(expectedResponse)
+	if err != nil {
+		t.Fatal(err)
+	}
+	mockInstanceAdmin.resps = append(mockInstanceAdmin.resps[:0], &longrunningpb.Operation{
+		Name:   "longrunning-test",
+		Done:   true,
+		Result: &longrunningpb.Operation_Response{Response: any},
+	})
+
+	var instance *instancepb.Instance = &instancepb.Instance{}
+	var fieldMask *field_maskpb.FieldMask = &field_maskpb.FieldMask{}
+	var request = &instancepb.UpdateInstanceRequest{
+		Instance:  instance,
+		FieldMask: fieldMask,
+	}
+
+	c, err := NewInstanceAdminClient(context.Background(), clientOpt)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	respLRO, err := c.UpdateInstance(context.Background(), request)
+	if err != nil {
+		t.Fatal(err)
+	}
+	resp, err := respLRO.Wait(context.Background())
+
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if want, got := request, mockInstanceAdmin.reqs[0]; !proto.Equal(want, got) {
+		t.Errorf("wrong request %q, want %q", got, want)
+	}
+
+	if want, got := expectedResponse, resp; !proto.Equal(want, got) {
+		t.Errorf("wrong response %q, want %q)", got, want)
+	}
+}
+
+func TestInstanceAdminUpdateInstanceError(t *testing.T) {
+	errCode := codes.PermissionDenied
+	mockInstanceAdmin.err = nil
+	mockInstanceAdmin.resps = append(mockInstanceAdmin.resps[:0], &longrunningpb.Operation{
+		Name: "longrunning-test",
+		Done: true,
+		Result: &longrunningpb.Operation_Error{
+			Error: &status.Status{
+				Code:    int32(errCode),
+				Message: "test error",
+			},
+		},
+	})
+
+	var instance *instancepb.Instance = &instancepb.Instance{}
+	var fieldMask *field_maskpb.FieldMask = &field_maskpb.FieldMask{}
+	var request = &instancepb.UpdateInstanceRequest{
+		Instance:  instance,
+		FieldMask: fieldMask,
+	}
+
+	c, err := NewInstanceAdminClient(context.Background(), clientOpt)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	respLRO, err := c.UpdateInstance(context.Background(), request)
+	if err != nil {
+		t.Fatal(err)
+	}
+	resp, err := respLRO.Wait(context.Background())
+
+	if st, ok := gstatus.FromError(err); !ok {
+		t.Errorf("got error %v, expected grpc error", err)
+	} else if c := st.Code(); c != errCode {
+		t.Errorf("got error code %q, want %q", c, errCode)
+	}
+	_ = resp
+}
+func TestInstanceAdminDeleteInstance(t *testing.T) {
+	var expectedResponse *emptypb.Empty = &emptypb.Empty{}
+
+	mockInstanceAdmin.err = nil
+	mockInstanceAdmin.reqs = nil
+
+	mockInstanceAdmin.resps = append(mockInstanceAdmin.resps[:0], expectedResponse)
+
+	var formattedName string = InstanceAdminInstancePath("[PROJECT]", "[INSTANCE]")
+	var request = &instancepb.DeleteInstanceRequest{
+		Name: formattedName,
+	}
+
+	c, err := NewInstanceAdminClient(context.Background(), clientOpt)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = c.DeleteInstance(context.Background(), request)
+
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if want, got := request, mockInstanceAdmin.reqs[0]; !proto.Equal(want, got) {
+		t.Errorf("wrong request %q, want %q", got, want)
+	}
+
+}
+
+func TestInstanceAdminDeleteInstanceError(t *testing.T) {
+	errCode := codes.PermissionDenied
+	mockInstanceAdmin.err = gstatus.Error(errCode, "test error")
+
+	var formattedName string = InstanceAdminInstancePath("[PROJECT]", "[INSTANCE]")
+	var request = &instancepb.DeleteInstanceRequest{
+		Name: formattedName,
+	}
+
+	c, err := NewInstanceAdminClient(context.Background(), clientOpt)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = c.DeleteInstance(context.Background(), request)
+
+	if st, ok := gstatus.FromError(err); !ok {
+		t.Errorf("got error %v, expected grpc error", err)
+	} else if c := st.Code(); c != errCode {
+		t.Errorf("got error code %q, want %q", c, errCode)
+	}
+}
+func TestInstanceAdminSetIamPolicy(t *testing.T) {
+	var version int32 = 351608024
+	var etag []byte = []byte("21")
+	var expectedResponse = &iampb.Policy{
+		Version: version,
+		Etag:    etag,
+	}
+
+	mockInstanceAdmin.err = nil
+	mockInstanceAdmin.reqs = nil
+
+	mockInstanceAdmin.resps = append(mockInstanceAdmin.resps[:0], expectedResponse)
+
+	var formattedResource string = InstanceAdminInstancePath("[PROJECT]", "[INSTANCE]")
+	var policy *iampb.Policy = &iampb.Policy{}
+	var request = &iampb.SetIamPolicyRequest{
+		Resource: formattedResource,
+		Policy:   policy,
+	}
+
+	c, err := NewInstanceAdminClient(context.Background(), clientOpt)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	resp, err := c.SetIamPolicy(context.Background(), request)
+
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if want, got := request, mockInstanceAdmin.reqs[0]; !proto.Equal(want, got) {
+		t.Errorf("wrong request %q, want %q", got, want)
+	}
+
+	if want, got := expectedResponse, resp; !proto.Equal(want, got) {
+		t.Errorf("wrong response %q, want %q)", got, want)
+	}
+}
+
+func TestInstanceAdminSetIamPolicyError(t *testing.T) {
+	errCode := codes.PermissionDenied
+	mockInstanceAdmin.err = gstatus.Error(errCode, "test error")
+
+	var formattedResource string = InstanceAdminInstancePath("[PROJECT]", "[INSTANCE]")
+	var policy *iampb.Policy = &iampb.Policy{}
+	var request = &iampb.SetIamPolicyRequest{
+		Resource: formattedResource,
+		Policy:   policy,
+	}
+
+	c, err := NewInstanceAdminClient(context.Background(), clientOpt)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	resp, err := c.SetIamPolicy(context.Background(), request)
+
+	if st, ok := gstatus.FromError(err); !ok {
+		t.Errorf("got error %v, expected grpc error", err)
+	} else if c := st.Code(); c != errCode {
+		t.Errorf("got error code %q, want %q", c, errCode)
+	}
+	_ = resp
+}
+func TestInstanceAdminGetIamPolicy(t *testing.T) {
+	var version int32 = 351608024
+	var etag []byte = []byte("21")
+	var expectedResponse = &iampb.Policy{
+		Version: version,
+		Etag:    etag,
+	}
+
+	mockInstanceAdmin.err = nil
+	mockInstanceAdmin.reqs = nil
+
+	mockInstanceAdmin.resps = append(mockInstanceAdmin.resps[:0], expectedResponse)
+
+	var formattedResource string = InstanceAdminInstancePath("[PROJECT]", "[INSTANCE]")
+	var request = &iampb.GetIamPolicyRequest{
+		Resource: formattedResource,
+	}
+
+	c, err := NewInstanceAdminClient(context.Background(), clientOpt)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	resp, err := c.GetIamPolicy(context.Background(), request)
+
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if want, got := request, mockInstanceAdmin.reqs[0]; !proto.Equal(want, got) {
+		t.Errorf("wrong request %q, want %q", got, want)
+	}
+
+	if want, got := expectedResponse, resp; !proto.Equal(want, got) {
+		t.Errorf("wrong response %q, want %q)", got, want)
+	}
+}
+
+func TestInstanceAdminGetIamPolicyError(t *testing.T) {
+	errCode := codes.PermissionDenied
+	mockInstanceAdmin.err = gstatus.Error(errCode, "test error")
+
+	var formattedResource string = InstanceAdminInstancePath("[PROJECT]", "[INSTANCE]")
+	var request = &iampb.GetIamPolicyRequest{
+		Resource: formattedResource,
+	}
+
+	c, err := NewInstanceAdminClient(context.Background(), clientOpt)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	resp, err := c.GetIamPolicy(context.Background(), request)
+
+	if st, ok := gstatus.FromError(err); !ok {
+		t.Errorf("got error %v, expected grpc error", err)
+	} else if c := st.Code(); c != errCode {
+		t.Errorf("got error code %q, want %q", c, errCode)
+	}
+	_ = resp
+}
+func TestInstanceAdminTestIamPermissions(t *testing.T) {
+	var expectedResponse *iampb.TestIamPermissionsResponse = &iampb.TestIamPermissionsResponse{}
+
+	mockInstanceAdmin.err = nil
+	mockInstanceAdmin.reqs = nil
+
+	mockInstanceAdmin.resps = append(mockInstanceAdmin.resps[:0], expectedResponse)
+
+	var formattedResource string = InstanceAdminInstancePath("[PROJECT]", "[INSTANCE]")
+	var permissions []string = nil
+	var request = &iampb.TestIamPermissionsRequest{
+		Resource:    formattedResource,
+		Permissions: permissions,
+	}
+
+	c, err := NewInstanceAdminClient(context.Background(), clientOpt)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	resp, err := c.TestIamPermissions(context.Background(), request)
+
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if want, got := request, mockInstanceAdmin.reqs[0]; !proto.Equal(want, got) {
+		t.Errorf("wrong request %q, want %q", got, want)
+	}
+
+	if want, got := expectedResponse, resp; !proto.Equal(want, got) {
+		t.Errorf("wrong response %q, want %q)", got, want)
+	}
+}
+
+func TestInstanceAdminTestIamPermissionsError(t *testing.T) {
+	errCode := codes.PermissionDenied
+	mockInstanceAdmin.err = gstatus.Error(errCode, "test error")
+
+	var formattedResource string = InstanceAdminInstancePath("[PROJECT]", "[INSTANCE]")
+	var permissions []string = nil
+	var request = &iampb.TestIamPermissionsRequest{
+		Resource:    formattedResource,
+		Permissions: permissions,
+	}
+
+	c, err := NewInstanceAdminClient(context.Background(), clientOpt)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	resp, err := c.TestIamPermissions(context.Background(), request)
+
+	if st, ok := gstatus.FromError(err); !ok {
+		t.Errorf("got error %v, expected grpc error", err)
+	} else if c := st.Code(); c != errCode {
+		t.Errorf("got error code %q, want %q", c, errCode)
+	}
+	_ = resp
+}