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- // Copyright 2019 Google LLC
- //
- // 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
- //
- // https://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 gapic-generator. DO NOT EDIT.
-
- package dataproc
-
- import (
- "context"
- "math"
- "time"
-
- "cloud.google.com/go/longrunning"
- lroauto "cloud.google.com/go/longrunning/autogen"
- "github.com/golang/protobuf/proto"
- gax "github.com/googleapis/gax-go/v2"
- "google.golang.org/api/iterator"
- "google.golang.org/api/option"
- "google.golang.org/api/transport"
- dataprocpb "google.golang.org/genproto/googleapis/cloud/dataproc/v1"
- longrunningpb "google.golang.org/genproto/googleapis/longrunning"
- "google.golang.org/grpc"
- "google.golang.org/grpc/codes"
- "google.golang.org/grpc/metadata"
- )
-
- // WorkflowTemplateCallOptions contains the retry settings for each method of WorkflowTemplateClient.
- type WorkflowTemplateCallOptions struct {
- CreateWorkflowTemplate []gax.CallOption
- GetWorkflowTemplate []gax.CallOption
- InstantiateWorkflowTemplate []gax.CallOption
- InstantiateInlineWorkflowTemplate []gax.CallOption
- UpdateWorkflowTemplate []gax.CallOption
- ListWorkflowTemplates []gax.CallOption
- DeleteWorkflowTemplate []gax.CallOption
- }
-
- func defaultWorkflowTemplateClientOptions() []option.ClientOption {
- return []option.ClientOption{
- option.WithEndpoint("dataproc.googleapis.com:443"),
- option.WithScopes(DefaultAuthScopes()...),
- }
- }
-
- func defaultWorkflowTemplateCallOptions() *WorkflowTemplateCallOptions {
- retry := map[[2]string][]gax.CallOption{
- {"default", "idempotent"}: {
- gax.WithRetry(func() gax.Retryer {
- return gax.OnCodes([]codes.Code{
- codes.DeadlineExceeded,
- codes.Internal,
- codes.Unavailable,
- }, gax.Backoff{
- Initial: 100 * time.Millisecond,
- Max: 60000 * time.Millisecond,
- Multiplier: 1.3,
- })
- }),
- },
- {"default", "non_idempotent"}: {
- gax.WithRetry(func() gax.Retryer {
- return gax.OnCodes([]codes.Code{
- codes.Unavailable,
- }, gax.Backoff{
- Initial: 100 * time.Millisecond,
- Max: 60000 * time.Millisecond,
- Multiplier: 1.3,
- })
- }),
- },
- }
- return &WorkflowTemplateCallOptions{
- CreateWorkflowTemplate: retry[[2]string{"default", "non_idempotent"}],
- GetWorkflowTemplate: retry[[2]string{"default", "idempotent"}],
- InstantiateWorkflowTemplate: retry[[2]string{"default", "non_idempotent"}],
- InstantiateInlineWorkflowTemplate: retry[[2]string{"default", "non_idempotent"}],
- UpdateWorkflowTemplate: retry[[2]string{"default", "non_idempotent"}],
- ListWorkflowTemplates: retry[[2]string{"default", "idempotent"}],
- DeleteWorkflowTemplate: retry[[2]string{"default", "non_idempotent"}],
- }
- }
-
- // WorkflowTemplateClient is a client for interacting with Google Cloud Dataproc API.
- //
- // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
- type WorkflowTemplateClient struct {
- // The connection to the service.
- conn *grpc.ClientConn
-
- // The gRPC API client.
- workflowTemplateClient dataprocpb.WorkflowTemplateServiceClient
-
- // 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 *WorkflowTemplateCallOptions
-
- // The x-goog-* metadata to be sent with each request.
- xGoogMetadata metadata.MD
- }
-
- // NewWorkflowTemplateClient creates a new workflow template service client.
- //
- // The API interface for managing Workflow Templates in the
- // Cloud Dataproc API.
- func NewWorkflowTemplateClient(ctx context.Context, opts ...option.ClientOption) (*WorkflowTemplateClient, error) {
- conn, err := transport.DialGRPC(ctx, append(defaultWorkflowTemplateClientOptions(), opts...)...)
- if err != nil {
- return nil, err
- }
- c := &WorkflowTemplateClient{
- conn: conn,
- CallOptions: defaultWorkflowTemplateCallOptions(),
-
- workflowTemplateClient: dataprocpb.NewWorkflowTemplateServiceClient(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 *WorkflowTemplateClient) 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 *WorkflowTemplateClient) 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 *WorkflowTemplateClient) setGoogleClientInfo(keyval ...string) {
- kv := append([]string{"gl-go", versionGo()}, keyval...)
- kv = append(kv, "gapic", versionClient, "gax", gax.Version, "grpc", grpc.Version)
- c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...))
- }
-
- // CreateWorkflowTemplate creates new workflow template.
- func (c *WorkflowTemplateClient) CreateWorkflowTemplate(ctx context.Context, req *dataprocpb.CreateWorkflowTemplateRequest, opts ...gax.CallOption) (*dataprocpb.WorkflowTemplate, error) {
- ctx = insertMetadata(ctx, c.xGoogMetadata)
- opts = append(c.CallOptions.CreateWorkflowTemplate[0:len(c.CallOptions.CreateWorkflowTemplate):len(c.CallOptions.CreateWorkflowTemplate)], opts...)
- var resp *dataprocpb.WorkflowTemplate
- err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
- var err error
- resp, err = c.workflowTemplateClient.CreateWorkflowTemplate(ctx, req, settings.GRPC...)
- return err
- }, opts...)
- if err != nil {
- return nil, err
- }
- return resp, nil
- }
-
- // GetWorkflowTemplate retrieves the latest workflow template.
- //
- // Can retrieve previously instantiated template by specifying optional
- // version parameter.
- func (c *WorkflowTemplateClient) GetWorkflowTemplate(ctx context.Context, req *dataprocpb.GetWorkflowTemplateRequest, opts ...gax.CallOption) (*dataprocpb.WorkflowTemplate, error) {
- ctx = insertMetadata(ctx, c.xGoogMetadata)
- opts = append(c.CallOptions.GetWorkflowTemplate[0:len(c.CallOptions.GetWorkflowTemplate):len(c.CallOptions.GetWorkflowTemplate)], opts...)
- var resp *dataprocpb.WorkflowTemplate
- err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
- var err error
- resp, err = c.workflowTemplateClient.GetWorkflowTemplate(ctx, req, settings.GRPC...)
- return err
- }, opts...)
- if err != nil {
- return nil, err
- }
- return resp, nil
- }
-
- // InstantiateWorkflowTemplate instantiates a template and begins execution.
- //
- // The returned Operation can be used to track execution of
- // workflow by polling
- // [operations.get][google.longrunning.Operations.GetOperation].
- // The Operation will complete when entire workflow is finished.
- //
- // The running workflow can be aborted via
- // [operations.cancel][google.longrunning.Operations.CancelOperation].
- // This will cause any inflight jobs to be cancelled and workflow-owned
- // clusters to be deleted.
- //
- // The [Operation.metadata][google.longrunning.Operation.metadata] will be
- // [WorkflowMetadata][google.cloud.dataproc.v1.WorkflowMetadata].
- //
- // On successful completion,
- // [Operation.response][google.longrunning.Operation.response] will be
- // [Empty][google.protobuf.Empty].
- func (c *WorkflowTemplateClient) InstantiateWorkflowTemplate(ctx context.Context, req *dataprocpb.InstantiateWorkflowTemplateRequest, opts ...gax.CallOption) (*InstantiateWorkflowTemplateOperation, error) {
- ctx = insertMetadata(ctx, c.xGoogMetadata)
- opts = append(c.CallOptions.InstantiateWorkflowTemplate[0:len(c.CallOptions.InstantiateWorkflowTemplate):len(c.CallOptions.InstantiateWorkflowTemplate)], opts...)
- var resp *longrunningpb.Operation
- err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
- var err error
- resp, err = c.workflowTemplateClient.InstantiateWorkflowTemplate(ctx, req, settings.GRPC...)
- return err
- }, opts...)
- if err != nil {
- return nil, err
- }
- return &InstantiateWorkflowTemplateOperation{
- lro: longrunning.InternalNewOperation(c.LROClient, resp),
- }, nil
- }
-
- // InstantiateInlineWorkflowTemplate instantiates a template and begins execution.
- //
- // This method is equivalent to executing the sequence
- // [CreateWorkflowTemplate][google.cloud.dataproc.v1.WorkflowTemplateService.CreateWorkflowTemplate],
- // [InstantiateWorkflowTemplate][google.cloud.dataproc.v1.WorkflowTemplateService.InstantiateWorkflowTemplate],
- // [DeleteWorkflowTemplate][google.cloud.dataproc.v1.WorkflowTemplateService.DeleteWorkflowTemplate].
- //
- // The returned Operation can be used to track execution of
- // workflow by polling
- // [operations.get][google.longrunning.Operations.GetOperation].
- // The Operation will complete when entire workflow is finished.
- //
- // The running workflow can be aborted via
- // [operations.cancel][google.longrunning.Operations.CancelOperation].
- // This will cause any inflight jobs to be cancelled and workflow-owned
- // clusters to be deleted.
- //
- // The [Operation.metadata][google.longrunning.Operation.metadata] will be
- // [WorkflowMetadata][google.cloud.dataproc.v1.WorkflowMetadata].
- //
- // On successful completion,
- // [Operation.response][google.longrunning.Operation.response] will be
- // [Empty][google.protobuf.Empty].
- func (c *WorkflowTemplateClient) InstantiateInlineWorkflowTemplate(ctx context.Context, req *dataprocpb.InstantiateInlineWorkflowTemplateRequest, opts ...gax.CallOption) (*InstantiateInlineWorkflowTemplateOperation, error) {
- ctx = insertMetadata(ctx, c.xGoogMetadata)
- opts = append(c.CallOptions.InstantiateInlineWorkflowTemplate[0:len(c.CallOptions.InstantiateInlineWorkflowTemplate):len(c.CallOptions.InstantiateInlineWorkflowTemplate)], opts...)
- var resp *longrunningpb.Operation
- err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
- var err error
- resp, err = c.workflowTemplateClient.InstantiateInlineWorkflowTemplate(ctx, req, settings.GRPC...)
- return err
- }, opts...)
- if err != nil {
- return nil, err
- }
- return &InstantiateInlineWorkflowTemplateOperation{
- lro: longrunning.InternalNewOperation(c.LROClient, resp),
- }, nil
- }
-
- // UpdateWorkflowTemplate updates (replaces) workflow template. The updated template
- // must contain version that matches the current server version.
- func (c *WorkflowTemplateClient) UpdateWorkflowTemplate(ctx context.Context, req *dataprocpb.UpdateWorkflowTemplateRequest, opts ...gax.CallOption) (*dataprocpb.WorkflowTemplate, error) {
- ctx = insertMetadata(ctx, c.xGoogMetadata)
- opts = append(c.CallOptions.UpdateWorkflowTemplate[0:len(c.CallOptions.UpdateWorkflowTemplate):len(c.CallOptions.UpdateWorkflowTemplate)], opts...)
- var resp *dataprocpb.WorkflowTemplate
- err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
- var err error
- resp, err = c.workflowTemplateClient.UpdateWorkflowTemplate(ctx, req, settings.GRPC...)
- return err
- }, opts...)
- if err != nil {
- return nil, err
- }
- return resp, nil
- }
-
- // ListWorkflowTemplates lists workflows that match the specified filter in the request.
- func (c *WorkflowTemplateClient) ListWorkflowTemplates(ctx context.Context, req *dataprocpb.ListWorkflowTemplatesRequest, opts ...gax.CallOption) *WorkflowTemplateIterator {
- ctx = insertMetadata(ctx, c.xGoogMetadata)
- opts = append(c.CallOptions.ListWorkflowTemplates[0:len(c.CallOptions.ListWorkflowTemplates):len(c.CallOptions.ListWorkflowTemplates)], opts...)
- it := &WorkflowTemplateIterator{}
- req = proto.Clone(req).(*dataprocpb.ListWorkflowTemplatesRequest)
- it.InternalFetch = func(pageSize int, pageToken string) ([]*dataprocpb.WorkflowTemplate, string, error) {
- var resp *dataprocpb.ListWorkflowTemplatesResponse
- 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.workflowTemplateClient.ListWorkflowTemplates(ctx, req, settings.GRPC...)
- return err
- }, opts...)
- if err != nil {
- return nil, "", err
- }
- return resp.Templates, 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)
- it.pageInfo.MaxSize = int(req.PageSize)
- return it
- }
-
- // DeleteWorkflowTemplate deletes a workflow template. It does not cancel in-progress workflows.
- func (c *WorkflowTemplateClient) DeleteWorkflowTemplate(ctx context.Context, req *dataprocpb.DeleteWorkflowTemplateRequest, opts ...gax.CallOption) error {
- ctx = insertMetadata(ctx, c.xGoogMetadata)
- opts = append(c.CallOptions.DeleteWorkflowTemplate[0:len(c.CallOptions.DeleteWorkflowTemplate):len(c.CallOptions.DeleteWorkflowTemplate)], opts...)
- err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
- var err error
- _, err = c.workflowTemplateClient.DeleteWorkflowTemplate(ctx, req, settings.GRPC...)
- return err
- }, opts...)
- return err
- }
-
- // WorkflowTemplateIterator manages a stream of *dataprocpb.WorkflowTemplate.
- type WorkflowTemplateIterator struct {
- items []*dataprocpb.WorkflowTemplate
- 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 []*dataprocpb.WorkflowTemplate, nextPageToken string, err error)
- }
-
- // PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
- func (it *WorkflowTemplateIterator) 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 *WorkflowTemplateIterator) Next() (*dataprocpb.WorkflowTemplate, error) {
- var item *dataprocpb.WorkflowTemplate
- if err := it.nextFunc(); err != nil {
- return item, err
- }
- item = it.items[0]
- it.items = it.items[1:]
- return item, nil
- }
-
- func (it *WorkflowTemplateIterator) bufLen() int {
- return len(it.items)
- }
-
- func (it *WorkflowTemplateIterator) takeBuf() interface{} {
- b := it.items
- it.items = nil
- return b
- }
-
- // InstantiateInlineWorkflowTemplateOperation manages a long-running operation from InstantiateInlineWorkflowTemplate.
- type InstantiateInlineWorkflowTemplateOperation struct {
- lro *longrunning.Operation
- }
-
- // InstantiateInlineWorkflowTemplateOperation returns a new InstantiateInlineWorkflowTemplateOperation from a given name.
- // The name must be that of a previously created InstantiateInlineWorkflowTemplateOperation, possibly from a different process.
- func (c *WorkflowTemplateClient) InstantiateInlineWorkflowTemplateOperation(name string) *InstantiateInlineWorkflowTemplateOperation {
- return &InstantiateInlineWorkflowTemplateOperation{
- lro: longrunning.InternalNewOperation(c.LROClient, &longrunningpb.Operation{Name: name}),
- }
- }
-
- // Wait blocks until the long-running operation is completed, returning any error encountered.
- //
- // See documentation of Poll for error-handling information.
- func (op *InstantiateInlineWorkflowTemplateOperation) Wait(ctx context.Context, opts ...gax.CallOption) error {
- return op.lro.WaitWithInterval(ctx, nil, 10000*time.Millisecond, opts...)
- }
-
- // 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.
- func (op *InstantiateInlineWorkflowTemplateOperation) Poll(ctx context.Context, opts ...gax.CallOption) error {
- return op.lro.Poll(ctx, nil, opts...)
- }
-
- // 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 *InstantiateInlineWorkflowTemplateOperation) Metadata() (*dataprocpb.WorkflowMetadata, error) {
- var meta dataprocpb.WorkflowMetadata
- 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 *InstantiateInlineWorkflowTemplateOperation) 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 *InstantiateInlineWorkflowTemplateOperation) Name() string {
- return op.lro.Name()
- }
-
- // Cancel starts asynchronous cancellation on a long-running operation.
- // The server makes a best effort to cancel the operation, but success is not guaranteed.
- // Clients can use Poll or other methods to check whether the cancellation succeeded or whether the operation
- // completed despite cancellation. On successful cancellation, the operation is not deleted;
- // instead, op.Poll returns an error with code Canceled.
- func (op *InstantiateInlineWorkflowTemplateOperation) Cancel(ctx context.Context, opts ...gax.CallOption) error {
- return op.lro.Cancel(ctx, opts...)
- }
-
- // Delete deletes a long-running operation.
- // This method indicates that the client is no longer interested in the operation result.
- // It does not cancel the operation.
- func (op *InstantiateInlineWorkflowTemplateOperation) Delete(ctx context.Context, opts ...gax.CallOption) error {
- return op.lro.Delete(ctx, opts...)
- }
-
- // InstantiateWorkflowTemplateOperation manages a long-running operation from InstantiateWorkflowTemplate.
- type InstantiateWorkflowTemplateOperation struct {
- lro *longrunning.Operation
- }
-
- // InstantiateWorkflowTemplateOperation returns a new InstantiateWorkflowTemplateOperation from a given name.
- // The name must be that of a previously created InstantiateWorkflowTemplateOperation, possibly from a different process.
- func (c *WorkflowTemplateClient) InstantiateWorkflowTemplateOperation(name string) *InstantiateWorkflowTemplateOperation {
- return &InstantiateWorkflowTemplateOperation{
- lro: longrunning.InternalNewOperation(c.LROClient, &longrunningpb.Operation{Name: name}),
- }
- }
-
- // Wait blocks until the long-running operation is completed, returning any error encountered.
- //
- // See documentation of Poll for error-handling information.
- func (op *InstantiateWorkflowTemplateOperation) Wait(ctx context.Context, opts ...gax.CallOption) error {
- return op.lro.WaitWithInterval(ctx, nil, 10000*time.Millisecond, opts...)
- }
-
- // 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.
- func (op *InstantiateWorkflowTemplateOperation) Poll(ctx context.Context, opts ...gax.CallOption) error {
- return op.lro.Poll(ctx, nil, opts...)
- }
-
- // 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 *InstantiateWorkflowTemplateOperation) Metadata() (*dataprocpb.WorkflowMetadata, error) {
- var meta dataprocpb.WorkflowMetadata
- 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 *InstantiateWorkflowTemplateOperation) 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 *InstantiateWorkflowTemplateOperation) Name() string {
- return op.lro.Name()
- }
-
- // Cancel starts asynchronous cancellation on a long-running operation.
- // The server makes a best effort to cancel the operation, but success is not guaranteed.
- // Clients can use Poll or other methods to check whether the cancellation succeeded or whether the operation
- // completed despite cancellation. On successful cancellation, the operation is not deleted;
- // instead, op.Poll returns an error with code Canceled.
- func (op *InstantiateWorkflowTemplateOperation) Cancel(ctx context.Context, opts ...gax.CallOption) error {
- return op.lro.Cancel(ctx, opts...)
- }
-
- // Delete deletes a long-running operation.
- // This method indicates that the client is no longer interested in the operation result.
- // It does not cancel the operation.
- func (op *InstantiateWorkflowTemplateOperation) Delete(ctx context.Context, opts ...gax.CallOption) error {
- return op.lro.Delete(ctx, opts...)
- }
|