dataflow/apiv1beta3/templates_client.go - gocloud - Git at Google

 // Copyright 2022 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 protoc-gen-go_gapic. DO NOT EDIT.

 package dataflow

 import (
 	"bytes"
 	"context"
 	"fmt"
 	"io/ioutil"
 	"math"
 	"net/http"
 	"net/url"
 	"time"

 	dataflowpb "cloud.google.com/go/dataflow/apiv1beta3/dataflowpb"
 	gax "github.com/googleapis/gax-go/v2"
 	"google.golang.org/api/googleapi"
 	"google.golang.org/api/option"
 	"google.golang.org/api/option/internaloption"
 	gtransport "google.golang.org/api/transport/grpc"
 	httptransport "google.golang.org/api/transport/http"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/metadata"
 	"google.golang.org/protobuf/encoding/protojson"
 )

 var newTemplatesClientHook clientHook

 // TemplatesCallOptions contains the retry settings for each method of TemplatesClient.
 type TemplatesCallOptions struct {
 	CreateJobFromTemplate []gax.CallOption
 	LaunchTemplate        []gax.CallOption
 	GetTemplate           []gax.CallOption
 }

 func defaultTemplatesGRPCClientOptions() []option.ClientOption {
 	return []option.ClientOption{
 		internaloption.WithDefaultEndpoint("dataflow.googleapis.com:443"),
 		internaloption.WithDefaultMTLSEndpoint("dataflow.mtls.googleapis.com:443"),
 		internaloption.WithDefaultAudience("https://dataflow.googleapis.com/"),
 		internaloption.WithDefaultScopes(DefaultAuthScopes()...),
 		internaloption.EnableJwtWithScope(),
 		option.WithGRPCDialOption(grpc.WithDefaultCallOptions(
 			grpc.MaxCallRecvMsgSize(math.MaxInt32))),
 	}
 }

 func defaultTemplatesCallOptions() *TemplatesCallOptions {
 	return &TemplatesCallOptions{
 		CreateJobFromTemplate: []gax.CallOption{},
 		LaunchTemplate:        []gax.CallOption{},
 		GetTemplate:           []gax.CallOption{},
 	}
 }

 func defaultTemplatesRESTCallOptions() *TemplatesCallOptions {
 	return &TemplatesCallOptions{
 		CreateJobFromTemplate: []gax.CallOption{},
 		LaunchTemplate:        []gax.CallOption{},
 		GetTemplate:           []gax.CallOption{},
 	}
 }

 // internalTemplatesClient is an interface that defines the methods available from Dataflow API.
 type internalTemplatesClient interface {
 	Close() error
 	setGoogleClientInfo(...string)
 	Connection() *grpc.ClientConn
 	CreateJobFromTemplate(context.Context, *dataflowpb.CreateJobFromTemplateRequest, ...gax.CallOption) (*dataflowpb.Job, error)
 	LaunchTemplate(context.Context, *dataflowpb.LaunchTemplateRequest, ...gax.CallOption) (*dataflowpb.LaunchTemplateResponse, error)
 	GetTemplate(context.Context, *dataflowpb.GetTemplateRequest, ...gax.CallOption) (*dataflowpb.GetTemplateResponse, error)
 }

 // TemplatesClient is a client for interacting with Dataflow API.
 // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
 //
 // Provides a method to create Cloud Dataflow jobs from templates.
 type TemplatesClient struct {
 	// The internal transport-dependent client.
 	internalClient internalTemplatesClient

 	// The call options for this service.
 	CallOptions *TemplatesCallOptions
 }

 // Wrapper methods routed to the internal client.

 // Close closes the connection to the API service. The user should invoke this when
 // the client is no longer required.
 func (c *TemplatesClient) Close() error {
 	return c.internalClient.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 *TemplatesClient) setGoogleClientInfo(keyval ...string) {
 	c.internalClient.setGoogleClientInfo(keyval...)
 }

 // Connection returns a connection to the API service.
 //
 // Deprecated: Connections are now pooled so this method does not always
 // return the same resource.
 func (c *TemplatesClient) Connection() *grpc.ClientConn {
 	return c.internalClient.Connection()
 }

 // CreateJobFromTemplate creates a Cloud Dataflow job from a template.
 func (c *TemplatesClient) CreateJobFromTemplate(ctx context.Context, req *dataflowpb.CreateJobFromTemplateRequest, opts ...gax.CallOption) (*dataflowpb.Job, error) {
 	return c.internalClient.CreateJobFromTemplate(ctx, req, opts...)
 }

 // LaunchTemplate launch a template.
 func (c *TemplatesClient) LaunchTemplate(ctx context.Context, req *dataflowpb.LaunchTemplateRequest, opts ...gax.CallOption) (*dataflowpb.LaunchTemplateResponse, error) {
 	return c.internalClient.LaunchTemplate(ctx, req, opts...)
 }

 // GetTemplate get the template associated with a template.
 func (c *TemplatesClient) GetTemplate(ctx context.Context, req *dataflowpb.GetTemplateRequest, opts ...gax.CallOption) (*dataflowpb.GetTemplateResponse, error) {
 	return c.internalClient.GetTemplate(ctx, req, opts...)
 }

 // templatesGRPCClient is a client for interacting with Dataflow API over gRPC transport.
 //
 // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
 type templatesGRPCClient struct {
 	// Connection pool of gRPC connections to the service.
 	connPool gtransport.ConnPool

 	// flag to opt out of default deadlines via GOOGLE_API_GO_EXPERIMENTAL_DISABLE_DEFAULT_DEADLINE
 	disableDeadlines bool

 	// Points back to the CallOptions field of the containing TemplatesClient
 	CallOptions **TemplatesCallOptions

 	// The gRPC API client.
 	templatesClient dataflowpb.TemplatesServiceClient

 	// The x-goog-* metadata to be sent with each request.
 	xGoogMetadata metadata.MD
 }

 // NewTemplatesClient creates a new templates service client based on gRPC.
 // The returned client must be Closed when it is done being used to clean up its underlying connections.
 //
 // Provides a method to create Cloud Dataflow jobs from templates.
 func NewTemplatesClient(ctx context.Context, opts ...option.ClientOption) (*TemplatesClient, error) {
 	clientOpts := defaultTemplatesGRPCClientOptions()
 	if newTemplatesClientHook != nil {
 		hookOpts, err := newTemplatesClientHook(ctx, clientHookParams{})
 		if err != nil {
 			return nil, err
 		}
 		clientOpts = append(clientOpts, hookOpts...)
 	}

 	disableDeadlines, err := checkDisableDeadlines()
 	if err != nil {
 		return nil, err
 	}

 	connPool, err := gtransport.DialPool(ctx, append(clientOpts, opts...)...)
 	if err != nil {
 		return nil, err
 	}
 	client := TemplatesClient{CallOptions: defaultTemplatesCallOptions()}

 	c := &templatesGRPCClient{
 		connPool:         connPool,
 		disableDeadlines: disableDeadlines,
 		templatesClient:  dataflowpb.NewTemplatesServiceClient(connPool),
 		CallOptions:      &client.CallOptions,
 	}
 	c.setGoogleClientInfo()

 	client.internalClient = c

 	return &client, nil
 }

 // Connection returns a connection to the API service.
 //
 // Deprecated: Connections are now pooled so this method does not always
 // return the same resource.
 func (c *templatesGRPCClient) Connection() *grpc.ClientConn {
 	return c.connPool.Conn()
 }

 // 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 *templatesGRPCClient) setGoogleClientInfo(keyval ...string) {
 	kv := append([]string{"gl-go", versionGo()}, keyval...)
 	kv = append(kv, "gapic", getVersionClient(), "gax", gax.Version, "grpc", grpc.Version)
 	c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...))
 }

 // Close closes the connection to the API service. The user should invoke this when
 // the client is no longer required.
 func (c *templatesGRPCClient) Close() error {
 	return c.connPool.Close()
 }

 // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
 type templatesRESTClient struct {
 	// The http endpoint to connect to.
 	endpoint string

 	// The http client.
 	httpClient *http.Client

 	// The x-goog-* metadata to be sent with each request.
 	xGoogMetadata metadata.MD

 	// Points back to the CallOptions field of the containing TemplatesClient
 	CallOptions **TemplatesCallOptions
 }

 // NewTemplatesRESTClient creates a new templates service rest client.
 //
 // Provides a method to create Cloud Dataflow jobs from templates.
 func NewTemplatesRESTClient(ctx context.Context, opts ...option.ClientOption) (*TemplatesClient, error) {
 	clientOpts := append(defaultTemplatesRESTClientOptions(), opts...)
 	httpClient, endpoint, err := httptransport.NewClient(ctx, clientOpts...)
 	if err != nil {
 		return nil, err
 	}

 	callOpts := defaultTemplatesRESTCallOptions()
 	c := &templatesRESTClient{
 		endpoint:    endpoint,
 		httpClient:  httpClient,
 		CallOptions: &callOpts,
 	}
 	c.setGoogleClientInfo()

 	return &TemplatesClient{internalClient: c, CallOptions: callOpts}, nil
 }

 func defaultTemplatesRESTClientOptions() []option.ClientOption {
 	return []option.ClientOption{
 		internaloption.WithDefaultEndpoint("https://dataflow.googleapis.com"),
 		internaloption.WithDefaultMTLSEndpoint("https://dataflow.mtls.googleapis.com"),
 		internaloption.WithDefaultAudience("https://dataflow.googleapis.com/"),
 		internaloption.WithDefaultScopes(DefaultAuthScopes()...),
 	}
 }

 // 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 *templatesRESTClient) setGoogleClientInfo(keyval ...string) {
 	kv := append([]string{"gl-go", versionGo()}, keyval...)
 	kv = append(kv, "gapic", getVersionClient(), "gax", gax.Version, "rest", "UNKNOWN")
 	c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...))
 }

 // Close closes the connection to the API service. The user should invoke this when
 // the client is no longer required.
 func (c *templatesRESTClient) Close() error {
 	// Replace httpClient with nil to force cleanup.
 	c.httpClient = nil
 	return nil
 }

 // Connection returns a connection to the API service.
 //
 // Deprecated: This method always returns nil.
 func (c *templatesRESTClient) Connection() *grpc.ClientConn {
 	return nil
 }
 func (c *templatesGRPCClient) CreateJobFromTemplate(ctx context.Context, req *dataflowpb.CreateJobFromTemplateRequest, opts ...gax.CallOption) (*dataflowpb.Job, error) {
 	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
 		cctx, cancel := context.WithTimeout(ctx, 60000*time.Millisecond)
 		defer cancel()
 		ctx = cctx
 	}
 	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v&%s=%v", "project_id", url.QueryEscape(req.GetProjectId()), "location", url.QueryEscape(req.GetLocation())))

 	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
 	opts = append((*c.CallOptions).CreateJobFromTemplate[0:len((*c.CallOptions).CreateJobFromTemplate):len((*c.CallOptions).CreateJobFromTemplate)], opts...)
 	var resp *dataflowpb.Job
 	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 		var err error
 		resp, err = c.templatesClient.CreateJobFromTemplate(ctx, req, settings.GRPC...)
 		return err
 	}, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return resp, nil
 }

 func (c *templatesGRPCClient) LaunchTemplate(ctx context.Context, req *dataflowpb.LaunchTemplateRequest, opts ...gax.CallOption) (*dataflowpb.LaunchTemplateResponse, error) {
 	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
 		cctx, cancel := context.WithTimeout(ctx, 60000*time.Millisecond)
 		defer cancel()
 		ctx = cctx
 	}
 	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v&%s=%v", "project_id", url.QueryEscape(req.GetProjectId()), "location", url.QueryEscape(req.GetLocation())))

 	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
 	opts = append((*c.CallOptions).LaunchTemplate[0:len((*c.CallOptions).LaunchTemplate):len((*c.CallOptions).LaunchTemplate)], opts...)
 	var resp *dataflowpb.LaunchTemplateResponse
 	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 		var err error
 		resp, err = c.templatesClient.LaunchTemplate(ctx, req, settings.GRPC...)
 		return err
 	}, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return resp, nil
 }

 func (c *templatesGRPCClient) GetTemplate(ctx context.Context, req *dataflowpb.GetTemplateRequest, opts ...gax.CallOption) (*dataflowpb.GetTemplateResponse, error) {
 	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
 		cctx, cancel := context.WithTimeout(ctx, 60000*time.Millisecond)
 		defer cancel()
 		ctx = cctx
 	}
 	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v&%s=%v", "project_id", url.QueryEscape(req.GetProjectId()), "location", url.QueryEscape(req.GetLocation())))

 	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
 	opts = append((*c.CallOptions).GetTemplate[0:len((*c.CallOptions).GetTemplate):len((*c.CallOptions).GetTemplate)], opts...)
 	var resp *dataflowpb.GetTemplateResponse
 	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 		var err error
 		resp, err = c.templatesClient.GetTemplate(ctx, req, settings.GRPC...)
 		return err
 	}, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return resp, nil
 }

 // CreateJobFromTemplate creates a Cloud Dataflow job from a template.
 func (c *templatesRESTClient) CreateJobFromTemplate(ctx context.Context, req *dataflowpb.CreateJobFromTemplateRequest, opts ...gax.CallOption) (*dataflowpb.Job, error) {
 	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
 	jsonReq, err := m.Marshal(req)
 	if err != nil {
 		return nil, err
 	}

 	baseUrl, err := url.Parse(c.endpoint)
 	if err != nil {
 		return nil, err
 	}
 	baseUrl.Path += fmt.Sprintf("/v1b3/projects/%v/locations/%v/templates", req.GetProjectId(), req.GetLocation())

 	// Build HTTP headers from client and context metadata.
 	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v&%s=%v", "project_id", url.QueryEscape(req.GetProjectId()), "location", url.QueryEscape(req.GetLocation())))

 	headers := buildHeaders(ctx, c.xGoogMetadata, md, metadata.Pairs("Content-Type", "application/json"))
 	opts = append((*c.CallOptions).CreateJobFromTemplate[0:len((*c.CallOptions).CreateJobFromTemplate):len((*c.CallOptions).CreateJobFromTemplate)], opts...)
 	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
 	resp := &dataflowpb.Job{}
 	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 		if settings.Path != "" {
 			baseUrl.Path = settings.Path
 		}
 		httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq))
 		if err != nil {
 			return err
 		}
 		httpReq = httpReq.WithContext(ctx)
 		httpReq.Header = headers

 		httpRsp, err := c.httpClient.Do(httpReq)
 		if err != nil {
 			return err
 		}
 		defer httpRsp.Body.Close()

 		if err = googleapi.CheckResponse(httpRsp); err != nil {
 			return err
 		}

 		buf, err := ioutil.ReadAll(httpRsp.Body)
 		if err != nil {
 			return err
 		}

 		if err := unm.Unmarshal(buf, resp); err != nil {
 			return maybeUnknownEnum(err)
 		}

 		return nil
 	}, opts...)
 	if e != nil {
 		return nil, e
 	}
 	return resp, nil
 }

 // LaunchTemplate launch a template.
 func (c *templatesRESTClient) LaunchTemplate(ctx context.Context, req *dataflowpb.LaunchTemplateRequest, opts ...gax.CallOption) (*dataflowpb.LaunchTemplateResponse, error) {
 	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
 	body := req.GetLaunchParameters()
 	jsonReq, err := m.Marshal(body)
 	if err != nil {
 		return nil, err
 	}

 	baseUrl, err := url.Parse(c.endpoint)
 	if err != nil {
 		return nil, err
 	}
 	baseUrl.Path += fmt.Sprintf("/v1b3/projects/%v/locations/%v/templates:launch", req.GetProjectId(), req.GetLocation())

 	params := url.Values{}
 	if req.GetDynamicTemplate().GetGcsPath() != "" {
 		params.Add("dynamicTemplate.gcsPath", fmt.Sprintf("%v", req.GetDynamicTemplate().GetGcsPath()))
 	}
 	if req.GetDynamicTemplate().GetStagingLocation() != "" {
 		params.Add("dynamicTemplate.stagingLocation", fmt.Sprintf("%v", req.GetDynamicTemplate().GetStagingLocation()))
 	}
 	if req.GetGcsPath() != "" {
 		params.Add("gcsPath", fmt.Sprintf("%v", req.GetGcsPath()))
 	}
 	if req.GetValidateOnly() {
 		params.Add("validateOnly", fmt.Sprintf("%v", req.GetValidateOnly()))
 	}

 	baseUrl.RawQuery = params.Encode()

 	// Build HTTP headers from client and context metadata.
 	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v&%s=%v", "project_id", url.QueryEscape(req.GetProjectId()), "location", url.QueryEscape(req.GetLocation())))

 	headers := buildHeaders(ctx, c.xGoogMetadata, md, metadata.Pairs("Content-Type", "application/json"))
 	opts = append((*c.CallOptions).LaunchTemplate[0:len((*c.CallOptions).LaunchTemplate):len((*c.CallOptions).LaunchTemplate)], opts...)
 	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
 	resp := &dataflowpb.LaunchTemplateResponse{}
 	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 		if settings.Path != "" {
 			baseUrl.Path = settings.Path
 		}
 		httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq))
 		if err != nil {
 			return err
 		}
 		httpReq = httpReq.WithContext(ctx)
 		httpReq.Header = headers

 		httpRsp, err := c.httpClient.Do(httpReq)
 		if err != nil {
 			return err
 		}
 		defer httpRsp.Body.Close()

 		if err = googleapi.CheckResponse(httpRsp); err != nil {
 			return err
 		}

 		buf, err := ioutil.ReadAll(httpRsp.Body)
 		if err != nil {
 			return err
 		}

 		if err := unm.Unmarshal(buf, resp); err != nil {
 			return maybeUnknownEnum(err)
 		}

 		return nil
 	}, opts...)
 	if e != nil {
 		return nil, e
 	}
 	return resp, nil
 }

 // GetTemplate get the template associated with a template.
 func (c *templatesRESTClient) GetTemplate(ctx context.Context, req *dataflowpb.GetTemplateRequest, opts ...gax.CallOption) (*dataflowpb.GetTemplateResponse, error) {
 	baseUrl, err := url.Parse(c.endpoint)
 	if err != nil {
 		return nil, err
 	}
 	baseUrl.Path += fmt.Sprintf("/v1b3/projects/%v/locations/%v/templates:get", req.GetProjectId(), req.GetLocation())

 	params := url.Values{}
 	if req.GetGcsPath() != "" {
 		params.Add("gcsPath", fmt.Sprintf("%v", req.GetGcsPath()))
 	}
 	if req.GetView() != 0 {
 		params.Add("view", fmt.Sprintf("%v", req.GetView()))
 	}

 	baseUrl.RawQuery = params.Encode()

 	// Build HTTP headers from client and context metadata.
 	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v&%s=%v", "project_id", url.QueryEscape(req.GetProjectId()), "location", url.QueryEscape(req.GetLocation())))

 	headers := buildHeaders(ctx, c.xGoogMetadata, md, metadata.Pairs("Content-Type", "application/json"))
 	opts = append((*c.CallOptions).GetTemplate[0:len((*c.CallOptions).GetTemplate):len((*c.CallOptions).GetTemplate)], opts...)
 	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
 	resp := &dataflowpb.GetTemplateResponse{}
 	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 		if settings.Path != "" {
 			baseUrl.Path = settings.Path
 		}
 		httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
 		if err != nil {
 			return err
 		}
 		httpReq = httpReq.WithContext(ctx)
 		httpReq.Header = headers

 		httpRsp, err := c.httpClient.Do(httpReq)
 		if err != nil {
 			return err
 		}
 		defer httpRsp.Body.Close()

 		if err = googleapi.CheckResponse(httpRsp); err != nil {
 			return err
 		}

 		buf, err := ioutil.ReadAll(httpRsp.Body)
 		if err != nil {
 			return err
 		}

 		if err := unm.Unmarshal(buf, resp); err != nil {
 			return maybeUnknownEnum(err)
 		}

 		return nil
 	}, opts...)
 	if e != nil {
 		return nil, e
 	}
 	return resp, nil
 }
	// Copyright 2022 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 protoc-gen-go_gapic. DO NOT EDIT.

	package dataflow

	import (
	"bytes"
	"context"
	"fmt"
	"io/ioutil"
	"math"
	"net/http"
	"net/url"
	"time"

	dataflowpb "cloud.google.com/go/dataflow/apiv1beta3/dataflowpb"
	gax "github.com/googleapis/gax-go/v2"
	"google.golang.org/api/googleapi"
	"google.golang.org/api/option"
	"google.golang.org/api/option/internaloption"
	gtransport "google.golang.org/api/transport/grpc"
	httptransport "google.golang.org/api/transport/http"
	"google.golang.org/grpc"
	"google.golang.org/grpc/metadata"
	"google.golang.org/protobuf/encoding/protojson"
	)

	var newTemplatesClientHook clientHook

	// TemplatesCallOptions contains the retry settings for each method of TemplatesClient.
	type TemplatesCallOptions struct {
	CreateJobFromTemplate []gax.CallOption
	LaunchTemplate []gax.CallOption
	GetTemplate []gax.CallOption
	}

	func defaultTemplatesGRPCClientOptions() []option.ClientOption {
	return []option.ClientOption{
	internaloption.WithDefaultEndpoint("dataflow.googleapis.com:443"),
	internaloption.WithDefaultMTLSEndpoint("dataflow.mtls.googleapis.com:443"),
	internaloption.WithDefaultAudience("https://dataflow.googleapis.com/"),
	internaloption.WithDefaultScopes(DefaultAuthScopes()...),
	internaloption.EnableJwtWithScope(),
	option.WithGRPCDialOption(grpc.WithDefaultCallOptions(
	grpc.MaxCallRecvMsgSize(math.MaxInt32))),
	}
	}

	func defaultTemplatesCallOptions() *TemplatesCallOptions {
	return &TemplatesCallOptions{
	CreateJobFromTemplate: []gax.CallOption{},
	LaunchTemplate: []gax.CallOption{},
	GetTemplate: []gax.CallOption{},
	}
	}

	func defaultTemplatesRESTCallOptions() *TemplatesCallOptions {
	return &TemplatesCallOptions{
	CreateJobFromTemplate: []gax.CallOption{},
	LaunchTemplate: []gax.CallOption{},
	GetTemplate: []gax.CallOption{},
	}
	}

	// internalTemplatesClient is an interface that defines the methods available from Dataflow API.
	type internalTemplatesClient interface {
	Close() error
	setGoogleClientInfo(...string)
	Connection() *grpc.ClientConn
	CreateJobFromTemplate(context.Context, dataflowpb.CreateJobFromTemplateRequest, ...gax.CallOption) (dataflowpb.Job, error)
	LaunchTemplate(context.Context, dataflowpb.LaunchTemplateRequest, ...gax.CallOption) (dataflowpb.LaunchTemplateResponse, error)
	GetTemplate(context.Context, dataflowpb.GetTemplateRequest, ...gax.CallOption) (dataflowpb.GetTemplateResponse, error)
	}

	// TemplatesClient is a client for interacting with Dataflow API.
	// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
	//
	// Provides a method to create Cloud Dataflow jobs from templates.
	type TemplatesClient struct {
	// The internal transport-dependent client.
	internalClient internalTemplatesClient

	// The call options for this service.
	CallOptions *TemplatesCallOptions
	}

	// Wrapper methods routed to the internal client.

	// Close closes the connection to the API service. The user should invoke this when
	// the client is no longer required.
	func (c *TemplatesClient) Close() error {
	return c.internalClient.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 *TemplatesClient) setGoogleClientInfo(keyval ...string) {
	c.internalClient.setGoogleClientInfo(keyval...)
	}

	// Connection returns a connection to the API service.
	//
	// Deprecated: Connections are now pooled so this method does not always
	// return the same resource.
	func (c TemplatesClient) Connection() grpc.ClientConn {
	return c.internalClient.Connection()
	}

	// CreateJobFromTemplate creates a Cloud Dataflow job from a template.
	func (c TemplatesClient) CreateJobFromTemplate(ctx context.Context, req dataflowpb.CreateJobFromTemplateRequest, opts ...gax.CallOption) (*dataflowpb.Job, error) {
	return c.internalClient.CreateJobFromTemplate(ctx, req, opts...)
	}

	// LaunchTemplate launch a template.
	func (c TemplatesClient) LaunchTemplate(ctx context.Context, req dataflowpb.LaunchTemplateRequest, opts ...gax.CallOption) (*dataflowpb.LaunchTemplateResponse, error) {
	return c.internalClient.LaunchTemplate(ctx, req, opts...)
	}

	// GetTemplate get the template associated with a template.
	func (c TemplatesClient) GetTemplate(ctx context.Context, req dataflowpb.GetTemplateRequest, opts ...gax.CallOption) (*dataflowpb.GetTemplateResponse, error) {
	return c.internalClient.GetTemplate(ctx, req, opts...)
	}

	// templatesGRPCClient is a client for interacting with Dataflow API over gRPC transport.
	//
	// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
	type templatesGRPCClient struct {
	// Connection pool of gRPC connections to the service.
	connPool gtransport.ConnPool

	// flag to opt out of default deadlines via GOOGLE_API_GO_EXPERIMENTAL_DISABLE_DEFAULT_DEADLINE
	disableDeadlines bool

	// Points back to the CallOptions field of the containing TemplatesClient
	CallOptions **TemplatesCallOptions

	// The gRPC API client.
	templatesClient dataflowpb.TemplatesServiceClient

	// The x-goog-* metadata to be sent with each request.
	xGoogMetadata metadata.MD
	}

	// NewTemplatesClient creates a new templates service client based on gRPC.
	// The returned client must be Closed when it is done being used to clean up its underlying connections.
	//
	// Provides a method to create Cloud Dataflow jobs from templates.
	func NewTemplatesClient(ctx context.Context, opts ...option.ClientOption) (*TemplatesClient, error) {
	clientOpts := defaultTemplatesGRPCClientOptions()
	if newTemplatesClientHook != nil {
	hookOpts, err := newTemplatesClientHook(ctx, clientHookParams{})
	if err != nil {
	return nil, err
	}
	clientOpts = append(clientOpts, hookOpts...)
	}

	disableDeadlines, err := checkDisableDeadlines()
	if err != nil {
	return nil, err
	}

	connPool, err := gtransport.DialPool(ctx, append(clientOpts, opts...)...)
	if err != nil {
	return nil, err
	}
	client := TemplatesClient{CallOptions: defaultTemplatesCallOptions()}

	c := &templatesGRPCClient{
	connPool: connPool,
	disableDeadlines: disableDeadlines,
	templatesClient: dataflowpb.NewTemplatesServiceClient(connPool),
	CallOptions: &client.CallOptions,
	}
	c.setGoogleClientInfo()

	client.internalClient = c

	return &client, nil
	}

	// Connection returns a connection to the API service.
	//
	// Deprecated: Connections are now pooled so this method does not always
	// return the same resource.
	func (c templatesGRPCClient) Connection() grpc.ClientConn {
	return c.connPool.Conn()
	}

	// 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 *templatesGRPCClient) setGoogleClientInfo(keyval ...string) {
	kv := append([]string{"gl-go", versionGo()}, keyval...)
	kv = append(kv, "gapic", getVersionClient(), "gax", gax.Version, "grpc", grpc.Version)
	c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...))
	}

	// Close closes the connection to the API service. The user should invoke this when
	// the client is no longer required.
	func (c *templatesGRPCClient) Close() error {
	return c.connPool.Close()
	}

	// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
	type templatesRESTClient struct {
	// The http endpoint to connect to.
	endpoint string

	// The http client.
	httpClient *http.Client

	// The x-goog-* metadata to be sent with each request.
	xGoogMetadata metadata.MD

	// Points back to the CallOptions field of the containing TemplatesClient
	CallOptions **TemplatesCallOptions
	}

	// NewTemplatesRESTClient creates a new templates service rest client.
	//
	// Provides a method to create Cloud Dataflow jobs from templates.
	func NewTemplatesRESTClient(ctx context.Context, opts ...option.ClientOption) (*TemplatesClient, error) {
	clientOpts := append(defaultTemplatesRESTClientOptions(), opts...)
	httpClient, endpoint, err := httptransport.NewClient(ctx, clientOpts...)
	if err != nil {
	return nil, err
	}

	callOpts := defaultTemplatesRESTCallOptions()
	c := &templatesRESTClient{
	endpoint: endpoint,
	httpClient: httpClient,
	CallOptions: &callOpts,
	}
	c.setGoogleClientInfo()

	return &TemplatesClient{internalClient: c, CallOptions: callOpts}, nil
	}

	func defaultTemplatesRESTClientOptions() []option.ClientOption {
	return []option.ClientOption{
	internaloption.WithDefaultEndpoint("https://dataflow.googleapis.com"),
	internaloption.WithDefaultMTLSEndpoint("https://dataflow.mtls.googleapis.com"),
	internaloption.WithDefaultAudience("https://dataflow.googleapis.com/"),
	internaloption.WithDefaultScopes(DefaultAuthScopes()...),
	}
	}

	// 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 *templatesRESTClient) setGoogleClientInfo(keyval ...string) {
	kv := append([]string{"gl-go", versionGo()}, keyval...)
	kv = append(kv, "gapic", getVersionClient(), "gax", gax.Version, "rest", "UNKNOWN")
	c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...))
	}

	// Close closes the connection to the API service. The user should invoke this when
	// the client is no longer required.
	func (c *templatesRESTClient) Close() error {
	// Replace httpClient with nil to force cleanup.
	c.httpClient = nil
	return nil
	}

	// Connection returns a connection to the API service.
	//
	// Deprecated: This method always returns nil.
	func (c templatesRESTClient) Connection() grpc.ClientConn {
	return nil
	}
	func (c templatesGRPCClient) CreateJobFromTemplate(ctx context.Context, req dataflowpb.CreateJobFromTemplateRequest, opts ...gax.CallOption) (*dataflowpb.Job, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
	cctx, cancel := context.WithTimeout(ctx, 60000*time.Millisecond)
	defer cancel()
	ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v&%s=%v", "project_id", url.QueryEscape(req.GetProjectId()), "location", url.QueryEscape(req.GetLocation())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((c.CallOptions).CreateJobFromTemplate[0:len((c.CallOptions).CreateJobFromTemplate):len((*c.CallOptions).CreateJobFromTemplate)], opts...)
	var resp *dataflowpb.Job
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	var err error
	resp, err = c.templatesClient.CreateJobFromTemplate(ctx, req, settings.GRPC...)
	return err
	}, opts...)
	if err != nil {
	return nil, err
	}
	return resp, nil
	}

	func (c templatesGRPCClient) LaunchTemplate(ctx context.Context, req dataflowpb.LaunchTemplateRequest, opts ...gax.CallOption) (*dataflowpb.LaunchTemplateResponse, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
	cctx, cancel := context.WithTimeout(ctx, 60000*time.Millisecond)
	defer cancel()
	ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v&%s=%v", "project_id", url.QueryEscape(req.GetProjectId()), "location", url.QueryEscape(req.GetLocation())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((c.CallOptions).LaunchTemplate[0:len((c.CallOptions).LaunchTemplate):len((*c.CallOptions).LaunchTemplate)], opts...)
	var resp *dataflowpb.LaunchTemplateResponse
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	var err error
	resp, err = c.templatesClient.LaunchTemplate(ctx, req, settings.GRPC...)
	return err
	}, opts...)
	if err != nil {
	return nil, err
	}
	return resp, nil
	}

	func (c templatesGRPCClient) GetTemplate(ctx context.Context, req dataflowpb.GetTemplateRequest, opts ...gax.CallOption) (*dataflowpb.GetTemplateResponse, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
	cctx, cancel := context.WithTimeout(ctx, 60000*time.Millisecond)
	defer cancel()
	ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v&%s=%v", "project_id", url.QueryEscape(req.GetProjectId()), "location", url.QueryEscape(req.GetLocation())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((c.CallOptions).GetTemplate[0:len((c.CallOptions).GetTemplate):len((*c.CallOptions).GetTemplate)], opts...)
	var resp *dataflowpb.GetTemplateResponse
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	var err error
	resp, err = c.templatesClient.GetTemplate(ctx, req, settings.GRPC...)
	return err
	}, opts...)
	if err != nil {
	return nil, err
	}
	return resp, nil
	}

	// CreateJobFromTemplate creates a Cloud Dataflow job from a template.
	func (c templatesRESTClient) CreateJobFromTemplate(ctx context.Context, req dataflowpb.CreateJobFromTemplateRequest, opts ...gax.CallOption) (*dataflowpb.Job, error) {
	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
	jsonReq, err := m.Marshal(req)
	if err != nil {
	return nil, err
	}

	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
	return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/v1b3/projects/%v/locations/%v/templates", req.GetProjectId(), req.GetLocation())

	// Build HTTP headers from client and context metadata.
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v&%s=%v", "project_id", url.QueryEscape(req.GetProjectId()), "location", url.QueryEscape(req.GetLocation())))

	headers := buildHeaders(ctx, c.xGoogMetadata, md, metadata.Pairs("Content-Type", "application/json"))
	opts = append((c.CallOptions).CreateJobFromTemplate[0:len((c.CallOptions).CreateJobFromTemplate):len((*c.CallOptions).CreateJobFromTemplate)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &dataflowpb.Job{}
	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	if settings.Path != "" {
	baseUrl.Path = settings.Path
	}
	httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq))
	if err != nil {
	return err
	}
	httpReq = httpReq.WithContext(ctx)
	httpReq.Header = headers

	httpRsp, err := c.httpClient.Do(httpReq)
	if err != nil {
	return err
	}
	defer httpRsp.Body.Close()

	if err = googleapi.CheckResponse(httpRsp); err != nil {
	return err
	}

	buf, err := ioutil.ReadAll(httpRsp.Body)
	if err != nil {
	return err
	}

	if err := unm.Unmarshal(buf, resp); err != nil {
	return maybeUnknownEnum(err)
	}

	return nil
	}, opts...)
	if e != nil {
	return nil, e
	}
	return resp, nil
	}

	// LaunchTemplate launch a template.
	func (c templatesRESTClient) LaunchTemplate(ctx context.Context, req dataflowpb.LaunchTemplateRequest, opts ...gax.CallOption) (*dataflowpb.LaunchTemplateResponse, error) {
	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
	body := req.GetLaunchParameters()
	jsonReq, err := m.Marshal(body)
	if err != nil {
	return nil, err
	}

	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
	return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/v1b3/projects/%v/locations/%v/templates:launch", req.GetProjectId(), req.GetLocation())

	params := url.Values{}
	if req.GetDynamicTemplate().GetGcsPath() != "" {
	params.Add("dynamicTemplate.gcsPath", fmt.Sprintf("%v", req.GetDynamicTemplate().GetGcsPath()))
	}
	if req.GetDynamicTemplate().GetStagingLocation() != "" {
	params.Add("dynamicTemplate.stagingLocation", fmt.Sprintf("%v", req.GetDynamicTemplate().GetStagingLocation()))
	}
	if req.GetGcsPath() != "" {
	params.Add("gcsPath", fmt.Sprintf("%v", req.GetGcsPath()))
	}
	if req.GetValidateOnly() {
	params.Add("validateOnly", fmt.Sprintf("%v", req.GetValidateOnly()))
	}

	baseUrl.RawQuery = params.Encode()

	// Build HTTP headers from client and context metadata.
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v&%s=%v", "project_id", url.QueryEscape(req.GetProjectId()), "location", url.QueryEscape(req.GetLocation())))

	headers := buildHeaders(ctx, c.xGoogMetadata, md, metadata.Pairs("Content-Type", "application/json"))
	opts = append((c.CallOptions).LaunchTemplate[0:len((c.CallOptions).LaunchTemplate):len((*c.CallOptions).LaunchTemplate)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &dataflowpb.LaunchTemplateResponse{}
	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	if settings.Path != "" {
	baseUrl.Path = settings.Path
	}
	httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq))
	if err != nil {
	return err
	}
	httpReq = httpReq.WithContext(ctx)
	httpReq.Header = headers

	httpRsp, err := c.httpClient.Do(httpReq)
	if err != nil {
	return err
	}
	defer httpRsp.Body.Close()

	if err = googleapi.CheckResponse(httpRsp); err != nil {
	return err
	}

	buf, err := ioutil.ReadAll(httpRsp.Body)
	if err != nil {
	return err
	}

	if err := unm.Unmarshal(buf, resp); err != nil {
	return maybeUnknownEnum(err)
	}

	return nil
	}, opts...)
	if e != nil {
	return nil, e
	}
	return resp, nil
	}

	// GetTemplate get the template associated with a template.
	func (c templatesRESTClient) GetTemplate(ctx context.Context, req dataflowpb.GetTemplateRequest, opts ...gax.CallOption) (*dataflowpb.GetTemplateResponse, error) {
	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
	return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/v1b3/projects/%v/locations/%v/templates:get", req.GetProjectId(), req.GetLocation())

	params := url.Values{}
	if req.GetGcsPath() != "" {
	params.Add("gcsPath", fmt.Sprintf("%v", req.GetGcsPath()))
	}
	if req.GetView() != 0 {
	params.Add("view", fmt.Sprintf("%v", req.GetView()))
	}

	baseUrl.RawQuery = params.Encode()

	// Build HTTP headers from client and context metadata.
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v&%s=%v", "project_id", url.QueryEscape(req.GetProjectId()), "location", url.QueryEscape(req.GetLocation())))

	headers := buildHeaders(ctx, c.xGoogMetadata, md, metadata.Pairs("Content-Type", "application/json"))
	opts = append((c.CallOptions).GetTemplate[0:len((c.CallOptions).GetTemplate):len((*c.CallOptions).GetTemplate)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &dataflowpb.GetTemplateResponse{}
	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	if settings.Path != "" {
	baseUrl.Path = settings.Path
	}
	httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
	if err != nil {
	return err
	}
	httpReq = httpReq.WithContext(ctx)
	httpReq.Header = headers

	httpRsp, err := c.httpClient.Do(httpReq)
	if err != nil {
	return err
	}
	defer httpRsp.Body.Close()

	if err = googleapi.CheckResponse(httpRsp); err != nil {
	return err
	}

	buf, err := ioutil.ReadAll(httpRsp.Body)
	if err != nil {
	return err
	}

	if err := unm.Unmarshal(buf, resp); err != nil {
	return maybeUnknownEnum(err)
	}

	return nil
	}, opts...)
	if e != nil {
	return nil, e
	}
	return resp, nil
	}