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cloud_tasks_client.go
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cloud_tasks_client.go
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// 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 cloudtasks
import (
"bytes"
"context"
"fmt"
"io/ioutil"
"math"
"net/http"
"net/url"
"time"
gax "github.com/googleapis/gax-go/v2"
"google.golang.org/api/googleapi"
"google.golang.org/api/iterator"
"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"
taskspb "google.golang.org/genproto/googleapis/cloud/tasks/v2beta2"
iampb "google.golang.org/genproto/googleapis/iam/v1"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/metadata"
"google.golang.org/protobuf/encoding/protojson"
"google.golang.org/protobuf/proto"
)
var newClientHook clientHook
// CallOptions contains the retry settings for each method of Client.
type CallOptions struct {
ListQueues []gax.CallOption
GetQueue []gax.CallOption
CreateQueue []gax.CallOption
UpdateQueue []gax.CallOption
DeleteQueue []gax.CallOption
PurgeQueue []gax.CallOption
PauseQueue []gax.CallOption
ResumeQueue []gax.CallOption
GetIamPolicy []gax.CallOption
SetIamPolicy []gax.CallOption
TestIamPermissions []gax.CallOption
ListTasks []gax.CallOption
GetTask []gax.CallOption
CreateTask []gax.CallOption
DeleteTask []gax.CallOption
LeaseTasks []gax.CallOption
AcknowledgeTask []gax.CallOption
RenewLease []gax.CallOption
CancelLease []gax.CallOption
RunTask []gax.CallOption
}
func defaultGRPCClientOptions() []option.ClientOption {
return []option.ClientOption{
internaloption.WithDefaultEndpoint("cloudtasks.googleapis.com:443"),
internaloption.WithDefaultMTLSEndpoint("cloudtasks.mtls.googleapis.com:443"),
internaloption.WithDefaultAudience("https://cloudtasks.googleapis.com/"),
internaloption.WithDefaultScopes(DefaultAuthScopes()...),
internaloption.EnableJwtWithScope(),
option.WithGRPCDialOption(grpc.WithDefaultCallOptions(
grpc.MaxCallRecvMsgSize(math.MaxInt32))),
}
}
func defaultCallOptions() *CallOptions {
return &CallOptions{
ListQueues: []gax.CallOption{
gax.WithRetry(func() gax.Retryer {
return gax.OnCodes([]codes.Code{
codes.Unavailable,
codes.DeadlineExceeded,
}, gax.Backoff{
Initial: 100 * time.Millisecond,
Max: 10000 * time.Millisecond,
Multiplier: 1.30,
})
}),
},
GetQueue: []gax.CallOption{
gax.WithRetry(func() gax.Retryer {
return gax.OnCodes([]codes.Code{
codes.Unavailable,
codes.DeadlineExceeded,
}, gax.Backoff{
Initial: 100 * time.Millisecond,
Max: 10000 * time.Millisecond,
Multiplier: 1.30,
})
}),
},
CreateQueue: []gax.CallOption{},
UpdateQueue: []gax.CallOption{},
DeleteQueue: []gax.CallOption{
gax.WithRetry(func() gax.Retryer {
return gax.OnCodes([]codes.Code{
codes.Unavailable,
codes.DeadlineExceeded,
}, gax.Backoff{
Initial: 100 * time.Millisecond,
Max: 10000 * time.Millisecond,
Multiplier: 1.30,
})
}),
},
PurgeQueue: []gax.CallOption{},
PauseQueue: []gax.CallOption{},
ResumeQueue: []gax.CallOption{},
GetIamPolicy: []gax.CallOption{
gax.WithRetry(func() gax.Retryer {
return gax.OnCodes([]codes.Code{
codes.Unavailable,
codes.DeadlineExceeded,
}, gax.Backoff{
Initial: 100 * time.Millisecond,
Max: 10000 * time.Millisecond,
Multiplier: 1.30,
})
}),
},
SetIamPolicy: []gax.CallOption{},
TestIamPermissions: []gax.CallOption{
gax.WithRetry(func() gax.Retryer {
return gax.OnCodes([]codes.Code{
codes.Unavailable,
codes.DeadlineExceeded,
}, gax.Backoff{
Initial: 100 * time.Millisecond,
Max: 10000 * time.Millisecond,
Multiplier: 1.30,
})
}),
},
ListTasks: []gax.CallOption{
gax.WithRetry(func() gax.Retryer {
return gax.OnCodes([]codes.Code{
codes.Unavailable,
codes.DeadlineExceeded,
}, gax.Backoff{
Initial: 100 * time.Millisecond,
Max: 10000 * time.Millisecond,
Multiplier: 1.30,
})
}),
},
GetTask: []gax.CallOption{
gax.WithRetry(func() gax.Retryer {
return gax.OnCodes([]codes.Code{
codes.Unavailable,
codes.DeadlineExceeded,
}, gax.Backoff{
Initial: 100 * time.Millisecond,
Max: 10000 * time.Millisecond,
Multiplier: 1.30,
})
}),
},
CreateTask: []gax.CallOption{},
DeleteTask: []gax.CallOption{
gax.WithRetry(func() gax.Retryer {
return gax.OnCodes([]codes.Code{
codes.Unavailable,
codes.DeadlineExceeded,
}, gax.Backoff{
Initial: 100 * time.Millisecond,
Max: 10000 * time.Millisecond,
Multiplier: 1.30,
})
}),
},
LeaseTasks: []gax.CallOption{},
AcknowledgeTask: []gax.CallOption{},
RenewLease: []gax.CallOption{},
CancelLease: []gax.CallOption{},
RunTask: []gax.CallOption{},
}
}
func defaultRESTCallOptions() *CallOptions {
return &CallOptions{
ListQueues: []gax.CallOption{
gax.WithRetry(func() gax.Retryer {
return gax.OnHTTPCodes(gax.Backoff{
Initial: 100 * time.Millisecond,
Max: 10000 * time.Millisecond,
Multiplier: 1.30,
},
http.StatusServiceUnavailable,
http.StatusGatewayTimeout)
}),
},
GetQueue: []gax.CallOption{
gax.WithRetry(func() gax.Retryer {
return gax.OnHTTPCodes(gax.Backoff{
Initial: 100 * time.Millisecond,
Max: 10000 * time.Millisecond,
Multiplier: 1.30,
},
http.StatusServiceUnavailable,
http.StatusGatewayTimeout)
}),
},
CreateQueue: []gax.CallOption{},
UpdateQueue: []gax.CallOption{},
DeleteQueue: []gax.CallOption{
gax.WithRetry(func() gax.Retryer {
return gax.OnHTTPCodes(gax.Backoff{
Initial: 100 * time.Millisecond,
Max: 10000 * time.Millisecond,
Multiplier: 1.30,
},
http.StatusServiceUnavailable,
http.StatusGatewayTimeout)
}),
},
PurgeQueue: []gax.CallOption{},
PauseQueue: []gax.CallOption{},
ResumeQueue: []gax.CallOption{},
GetIamPolicy: []gax.CallOption{
gax.WithRetry(func() gax.Retryer {
return gax.OnHTTPCodes(gax.Backoff{
Initial: 100 * time.Millisecond,
Max: 10000 * time.Millisecond,
Multiplier: 1.30,
},
http.StatusServiceUnavailable,
http.StatusGatewayTimeout)
}),
},
SetIamPolicy: []gax.CallOption{},
TestIamPermissions: []gax.CallOption{
gax.WithRetry(func() gax.Retryer {
return gax.OnHTTPCodes(gax.Backoff{
Initial: 100 * time.Millisecond,
Max: 10000 * time.Millisecond,
Multiplier: 1.30,
},
http.StatusServiceUnavailable,
http.StatusGatewayTimeout)
}),
},
ListTasks: []gax.CallOption{
gax.WithRetry(func() gax.Retryer {
return gax.OnHTTPCodes(gax.Backoff{
Initial: 100 * time.Millisecond,
Max: 10000 * time.Millisecond,
Multiplier: 1.30,
},
http.StatusServiceUnavailable,
http.StatusGatewayTimeout)
}),
},
GetTask: []gax.CallOption{
gax.WithRetry(func() gax.Retryer {
return gax.OnHTTPCodes(gax.Backoff{
Initial: 100 * time.Millisecond,
Max: 10000 * time.Millisecond,
Multiplier: 1.30,
},
http.StatusServiceUnavailable,
http.StatusGatewayTimeout)
}),
},
CreateTask: []gax.CallOption{},
DeleteTask: []gax.CallOption{
gax.WithRetry(func() gax.Retryer {
return gax.OnHTTPCodes(gax.Backoff{
Initial: 100 * time.Millisecond,
Max: 10000 * time.Millisecond,
Multiplier: 1.30,
},
http.StatusServiceUnavailable,
http.StatusGatewayTimeout)
}),
},
LeaseTasks: []gax.CallOption{},
AcknowledgeTask: []gax.CallOption{},
RenewLease: []gax.CallOption{},
CancelLease: []gax.CallOption{},
RunTask: []gax.CallOption{},
}
}
// internalClient is an interface that defines the methods available from Cloud Tasks API.
type internalClient interface {
Close() error
setGoogleClientInfo(...string)
Connection() *grpc.ClientConn
ListQueues(context.Context, *taskspb.ListQueuesRequest, ...gax.CallOption) *QueueIterator
GetQueue(context.Context, *taskspb.GetQueueRequest, ...gax.CallOption) (*taskspb.Queue, error)
CreateQueue(context.Context, *taskspb.CreateQueueRequest, ...gax.CallOption) (*taskspb.Queue, error)
UpdateQueue(context.Context, *taskspb.UpdateQueueRequest, ...gax.CallOption) (*taskspb.Queue, error)
DeleteQueue(context.Context, *taskspb.DeleteQueueRequest, ...gax.CallOption) error
PurgeQueue(context.Context, *taskspb.PurgeQueueRequest, ...gax.CallOption) (*taskspb.Queue, error)
PauseQueue(context.Context, *taskspb.PauseQueueRequest, ...gax.CallOption) (*taskspb.Queue, error)
ResumeQueue(context.Context, *taskspb.ResumeQueueRequest, ...gax.CallOption) (*taskspb.Queue, error)
GetIamPolicy(context.Context, *iampb.GetIamPolicyRequest, ...gax.CallOption) (*iampb.Policy, error)
SetIamPolicy(context.Context, *iampb.SetIamPolicyRequest, ...gax.CallOption) (*iampb.Policy, error)
TestIamPermissions(context.Context, *iampb.TestIamPermissionsRequest, ...gax.CallOption) (*iampb.TestIamPermissionsResponse, error)
ListTasks(context.Context, *taskspb.ListTasksRequest, ...gax.CallOption) *TaskIterator
GetTask(context.Context, *taskspb.GetTaskRequest, ...gax.CallOption) (*taskspb.Task, error)
CreateTask(context.Context, *taskspb.CreateTaskRequest, ...gax.CallOption) (*taskspb.Task, error)
DeleteTask(context.Context, *taskspb.DeleteTaskRequest, ...gax.CallOption) error
LeaseTasks(context.Context, *taskspb.LeaseTasksRequest, ...gax.CallOption) (*taskspb.LeaseTasksResponse, error)
AcknowledgeTask(context.Context, *taskspb.AcknowledgeTaskRequest, ...gax.CallOption) error
RenewLease(context.Context, *taskspb.RenewLeaseRequest, ...gax.CallOption) (*taskspb.Task, error)
CancelLease(context.Context, *taskspb.CancelLeaseRequest, ...gax.CallOption) (*taskspb.Task, error)
RunTask(context.Context, *taskspb.RunTaskRequest, ...gax.CallOption) (*taskspb.Task, error)
}
// Client is a client for interacting with Cloud Tasks API.
// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
//
// Cloud Tasks allows developers to manage the execution of background
// work in their applications.
type Client struct {
// The internal transport-dependent client.
internalClient internalClient
// The call options for this service.
CallOptions *CallOptions
}
// 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 *Client) 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 *Client) 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 *Client) Connection() *grpc.ClientConn {
return c.internalClient.Connection()
}
// ListQueues lists queues.
//
// Queues are returned in lexicographical order.
func (c *Client) ListQueues(ctx context.Context, req *taskspb.ListQueuesRequest, opts ...gax.CallOption) *QueueIterator {
return c.internalClient.ListQueues(ctx, req, opts...)
}
// GetQueue gets a queue.
func (c *Client) GetQueue(ctx context.Context, req *taskspb.GetQueueRequest, opts ...gax.CallOption) (*taskspb.Queue, error) {
return c.internalClient.GetQueue(ctx, req, opts...)
}
// CreateQueue creates a queue.
//
// Queues created with this method allow tasks to live for a maximum of 31
// days. After a task is 31 days old, the task will be deleted regardless of whether
// it was dispatched or not.
//
// WARNING: Using this method may have unintended side effects if you are
// using an App Engine queue.yaml or queue.xml file to manage your queues.
// Read
// Overview of Queue Management and
// queue.yaml (at https://cloud.google.com/tasks/docs/queue-yaml) before using
// this method.
func (c *Client) CreateQueue(ctx context.Context, req *taskspb.CreateQueueRequest, opts ...gax.CallOption) (*taskspb.Queue, error) {
return c.internalClient.CreateQueue(ctx, req, opts...)
}
// UpdateQueue updates a queue.
//
// This method creates the queue if it does not exist and updates
// the queue if it does exist.
//
// Queues created with this method allow tasks to live for a maximum of 31
// days. After a task is 31 days old, the task will be deleted regardless of whether
// it was dispatched or not.
//
// WARNING: Using this method may have unintended side effects if you are
// using an App Engine queue.yaml or queue.xml file to manage your queues.
// Read
// Overview of Queue Management and
// queue.yaml (at https://cloud.google.com/tasks/docs/queue-yaml) before using
// this method.
func (c *Client) UpdateQueue(ctx context.Context, req *taskspb.UpdateQueueRequest, opts ...gax.CallOption) (*taskspb.Queue, error) {
return c.internalClient.UpdateQueue(ctx, req, opts...)
}
// DeleteQueue deletes a queue.
//
// This command will delete the queue even if it has tasks in it.
//
// Note: If you delete a queue, a queue with the same name can’t be created
// for 7 days.
//
// WARNING: Using this method may have unintended side effects if you are
// using an App Engine queue.yaml or queue.xml file to manage your queues.
// Read
// Overview of Queue Management and
// queue.yaml (at https://cloud.google.com/tasks/docs/queue-yaml) before using
// this method.
func (c *Client) DeleteQueue(ctx context.Context, req *taskspb.DeleteQueueRequest, opts ...gax.CallOption) error {
return c.internalClient.DeleteQueue(ctx, req, opts...)
}
// PurgeQueue purges a queue by deleting all of its tasks.
//
// All tasks created before this method is called are permanently deleted.
//
// Purge operations can take up to one minute to take effect. Tasks
// might be dispatched before the purge takes effect. A purge is irreversible.
func (c *Client) PurgeQueue(ctx context.Context, req *taskspb.PurgeQueueRequest, opts ...gax.CallOption) (*taskspb.Queue, error) {
return c.internalClient.PurgeQueue(ctx, req, opts...)
}
// PauseQueue pauses the queue.
//
// If a queue is paused then the system will stop dispatching tasks
// until the queue is resumed via
// ResumeQueue. Tasks can still be added
// when the queue is paused. A queue is paused if its
// state is PAUSED.
func (c *Client) PauseQueue(ctx context.Context, req *taskspb.PauseQueueRequest, opts ...gax.CallOption) (*taskspb.Queue, error) {
return c.internalClient.PauseQueue(ctx, req, opts...)
}
// ResumeQueue resume a queue.
//
// This method resumes a queue after it has been
// PAUSED or
// DISABLED. The state of a queue is stored
// in the queue’s state; after calling this method it
// will be set to RUNNING.
//
// WARNING: Resuming many high-QPS queues at the same time can
// lead to target overloading. If you are resuming high-QPS
// queues, follow the 500/50/5 pattern described in
// Managing Cloud Tasks Scaling
// Risks (at https://cloud.google.com/tasks/docs/manage-cloud-task-scaling).
func (c *Client) ResumeQueue(ctx context.Context, req *taskspb.ResumeQueueRequest, opts ...gax.CallOption) (*taskspb.Queue, error) {
return c.internalClient.ResumeQueue(ctx, req, opts...)
}
// GetIamPolicy gets the access control policy for a Queue.
// Returns an empty policy if the resource exists and does not have a policy
// set.
//
// Authorization requires the following
// Google IAM (at https://cloud.google.com/iam) permission on the specified
// resource parent:
//
// cloudtasks.queues.getIamPolicy
func (c *Client) GetIamPolicy(ctx context.Context, req *iampb.GetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, error) {
return c.internalClient.GetIamPolicy(ctx, req, opts...)
}
// SetIamPolicy sets the access control policy for a Queue. Replaces any existing
// policy.
//
// Note: The Cloud Console does not check queue-level IAM permissions yet.
// Project-level permissions are required to use the Cloud Console.
//
// Authorization requires the following
// Google IAM (at https://cloud.google.com/iam) permission on the specified
// resource parent:
//
// cloudtasks.queues.setIamPolicy
func (c *Client) SetIamPolicy(ctx context.Context, req *iampb.SetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, error) {
return c.internalClient.SetIamPolicy(ctx, req, opts...)
}
// TestIamPermissions returns permissions that a caller has on a Queue.
// If the resource does not exist, this will return an empty set of
// permissions, not a NOT_FOUND error.
//
// Note: This operation is designed to be used for building permission-aware
// UIs and command-line tools, not for authorization checking. This operation
// may “fail open” without warning.
func (c *Client) TestIamPermissions(ctx context.Context, req *iampb.TestIamPermissionsRequest, opts ...gax.CallOption) (*iampb.TestIamPermissionsResponse, error) {
return c.internalClient.TestIamPermissions(ctx, req, opts...)
}
// ListTasks lists the tasks in a queue.
//
// By default, only the BASIC view is retrieved
// due to performance considerations;
// response_view controls the
// subset of information which is returned.
//
// The tasks may be returned in any order. The ordering may change at any
// time.
func (c *Client) ListTasks(ctx context.Context, req *taskspb.ListTasksRequest, opts ...gax.CallOption) *TaskIterator {
return c.internalClient.ListTasks(ctx, req, opts...)
}
// GetTask gets a task.
func (c *Client) GetTask(ctx context.Context, req *taskspb.GetTaskRequest, opts ...gax.CallOption) (*taskspb.Task, error) {
return c.internalClient.GetTask(ctx, req, opts...)
}
// CreateTask creates a task and adds it to a queue.
//
// Tasks cannot be updated after creation; there is no UpdateTask command.
//
// For [App Engine queues][google.cloud.tasks.v2beta2.AppEngineHttpTarget], the maximum task size is
// 100KB.
//
// For [pull queues][google.cloud.tasks.v2beta2.PullTarget], the maximum task size is 1MB.
func (c *Client) CreateTask(ctx context.Context, req *taskspb.CreateTaskRequest, opts ...gax.CallOption) (*taskspb.Task, error) {
return c.internalClient.CreateTask(ctx, req, opts...)
}
// DeleteTask deletes a task.
//
// A task can be deleted if it is scheduled or dispatched. A task
// cannot be deleted if it has completed successfully or permanently
// failed.
func (c *Client) DeleteTask(ctx context.Context, req *taskspb.DeleteTaskRequest, opts ...gax.CallOption) error {
return c.internalClient.DeleteTask(ctx, req, opts...)
}
// LeaseTasks leases tasks from a pull queue for
// lease_duration.
//
// This method is invoked by the worker to obtain a lease. The
// worker must acknowledge the task via
// AcknowledgeTask after they have
// performed the work associated with the task.
//
// The payload is intended to store data that
// the worker needs to perform the work associated with the task. To
// return the payloads in the response, set
// response_view to
// FULL.
//
// A maximum of 10 qps of LeaseTasks
// requests are allowed per
// queue. RESOURCE_EXHAUSTED
// is returned when this limit is
// exceeded. RESOURCE_EXHAUSTED
// is also returned when
// max_tasks_dispatched_per_second
// is exceeded.
func (c *Client) LeaseTasks(ctx context.Context, req *taskspb.LeaseTasksRequest, opts ...gax.CallOption) (*taskspb.LeaseTasksResponse, error) {
return c.internalClient.LeaseTasks(ctx, req, opts...)
}
// AcknowledgeTask acknowledges a pull task.
//
// The worker, that is, the entity that
// leased this task must call this method
// to indicate that the work associated with the task has finished.
//
// The worker must acknowledge a task within the
// lease_duration or the lease
// will expire and the task will become available to be leased
// again. After the task is acknowledged, it will not be returned
// by a later LeaseTasks,
// GetTask, or
// ListTasks.
func (c *Client) AcknowledgeTask(ctx context.Context, req *taskspb.AcknowledgeTaskRequest, opts ...gax.CallOption) error {
return c.internalClient.AcknowledgeTask(ctx, req, opts...)
}
// RenewLease renew the current lease of a pull task.
//
// The worker can use this method to extend the lease by a new
// duration, starting from now. The new task lease will be
// returned in the task’s schedule_time.
func (c *Client) RenewLease(ctx context.Context, req *taskspb.RenewLeaseRequest, opts ...gax.CallOption) (*taskspb.Task, error) {
return c.internalClient.RenewLease(ctx, req, opts...)
}
// CancelLease cancel a pull task’s lease.
//
// The worker can use this method to cancel a task’s lease by
// setting its schedule_time to now. This will
// make the task available to be leased to the next caller of
// LeaseTasks.
func (c *Client) CancelLease(ctx context.Context, req *taskspb.CancelLeaseRequest, opts ...gax.CallOption) (*taskspb.Task, error) {
return c.internalClient.CancelLease(ctx, req, opts...)
}
// RunTask forces a task to run now.
//
// When this method is called, Cloud Tasks will dispatch the task, even if
// the task is already running, the queue has reached its RateLimits or
// is PAUSED.
//
// This command is meant to be used for manual debugging. For
// example, RunTask can be used to retry a failed
// task after a fix has been made or to manually force a task to be
// dispatched now.
//
// The dispatched task is returned. That is, the task that is returned
// contains the status after the task is dispatched but
// before the task is received by its target.
//
// If Cloud Tasks receives a successful response from the task’s
// target, then the task will be deleted; otherwise the task’s
// schedule_time will be reset to the time that
// RunTask was called plus the retry delay specified
// in the queue’s RetryConfig.
//
// RunTask returns
// NOT_FOUND when it is called on a
// task that has already succeeded or permanently failed.
//
// RunTask cannot be called on a
// [pull task][google.cloud.tasks.v2beta2.PullMessage].
func (c *Client) RunTask(ctx context.Context, req *taskspb.RunTaskRequest, opts ...gax.CallOption) (*taskspb.Task, error) {
return c.internalClient.RunTask(ctx, req, opts...)
}
// gRPCClient is a client for interacting with Cloud Tasks API over gRPC transport.
//
// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
type gRPCClient 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 Client
CallOptions **CallOptions
// The gRPC API client.
client taskspb.CloudTasksClient
// The x-goog-* metadata to be sent with each request.
xGoogMetadata metadata.MD
}
// NewClient creates a new cloud tasks client based on gRPC.
// The returned client must be Closed when it is done being used to clean up its underlying connections.
//
// Cloud Tasks allows developers to manage the execution of background
// work in their applications.
func NewClient(ctx context.Context, opts ...option.ClientOption) (*Client, error) {
clientOpts := defaultGRPCClientOptions()
if newClientHook != nil {
hookOpts, err := newClientHook(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 := Client{CallOptions: defaultCallOptions()}
c := &gRPCClient{
connPool: connPool,
disableDeadlines: disableDeadlines,
client: taskspb.NewCloudTasksClient(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 *gRPCClient) 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 *gRPCClient) 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 *gRPCClient) Close() error {
return c.connPool.Close()
}
// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
type restClient 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 Client
CallOptions **CallOptions
}
// NewRESTClient creates a new cloud tasks rest client.
//
// Cloud Tasks allows developers to manage the execution of background
// work in their applications.
func NewRESTClient(ctx context.Context, opts ...option.ClientOption) (*Client, error) {
clientOpts := append(defaultRESTClientOptions(), opts...)
httpClient, endpoint, err := httptransport.NewClient(ctx, clientOpts...)
if err != nil {
return nil, err
}
callOpts := defaultRESTCallOptions()
c := &restClient{
endpoint: endpoint,
httpClient: httpClient,
CallOptions: &callOpts,
}
c.setGoogleClientInfo()
return &Client{internalClient: c, CallOptions: callOpts}, nil
}
func defaultRESTClientOptions() []option.ClientOption {
return []option.ClientOption{
internaloption.WithDefaultEndpoint("https://cloudtasks.googleapis.com"),
internaloption.WithDefaultMTLSEndpoint("https://cloudtasks.mtls.googleapis.com"),
internaloption.WithDefaultAudience("https://cloudtasks.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 *restClient) 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 *restClient) 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 *restClient) Connection() *grpc.ClientConn {
return nil
}
func (c *gRPCClient) ListQueues(ctx context.Context, req *taskspb.ListQueuesRequest, opts ...gax.CallOption) *QueueIterator {
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append((*c.CallOptions).ListQueues[0:len((*c.CallOptions).ListQueues):len((*c.CallOptions).ListQueues)], opts...)
it := &QueueIterator{}
req = proto.Clone(req).(*taskspb.ListQueuesRequest)
it.InternalFetch = func(pageSize int, pageToken string) ([]*taskspb.Queue, string, error) {
resp := &taskspb.ListQueuesResponse{}
if pageToken != "" {
req.PageToken = pageToken
}
if pageSize > math.MaxInt32 {
req.PageSize = math.MaxInt32
} else if pageSize != 0 {
req.PageSize = int32(pageSize)
}
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.ListQueues(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, "", err
}
it.Response = resp
return resp.GetQueues(), resp.GetNextPageToken(), 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.GetPageSize())
it.pageInfo.Token = req.GetPageToken()
return it
}
func (c *gRPCClient) GetQueue(ctx context.Context, req *taskspb.GetQueueRequest, opts ...gax.CallOption) (*taskspb.Queue, error) {
if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
cctx, cancel := context.WithTimeout(ctx, 20000*time.Millisecond)
defer cancel()
ctx = cctx
}
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append((*c.CallOptions).GetQueue[0:len((*c.CallOptions).GetQueue):len((*c.CallOptions).GetQueue)], opts...)
var resp *taskspb.Queue
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.GetQueue(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
func (c *gRPCClient) CreateQueue(ctx context.Context, req *taskspb.CreateQueueRequest, opts ...gax.CallOption) (*taskspb.Queue, error) {
if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
cctx, cancel := context.WithTimeout(ctx, 20000*time.Millisecond)
defer cancel()
ctx = cctx
}
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append((*c.CallOptions).CreateQueue[0:len((*c.CallOptions).CreateQueue):len((*c.CallOptions).CreateQueue)], opts...)
var resp *taskspb.Queue
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.CreateQueue(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
func (c *gRPCClient) UpdateQueue(ctx context.Context, req *taskspb.UpdateQueueRequest, opts ...gax.CallOption) (*taskspb.Queue, error) {
if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
cctx, cancel := context.WithTimeout(ctx, 20000*time.Millisecond)
defer cancel()
ctx = cctx
}
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "queue.name", url.QueryEscape(req.GetQueue().GetName())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append((*c.CallOptions).UpdateQueue[0:len((*c.CallOptions).UpdateQueue):len((*c.CallOptions).UpdateQueue)], opts...)
var resp *taskspb.Queue
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.UpdateQueue(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
func (c *gRPCClient) DeleteQueue(ctx context.Context, req *taskspb.DeleteQueueRequest, opts ...gax.CallOption) error {
if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
cctx, cancel := context.WithTimeout(ctx, 20000*time.Millisecond)
defer cancel()
ctx = cctx
}
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append((*c.CallOptions).DeleteQueue[0:len((*c.CallOptions).DeleteQueue):len((*c.CallOptions).DeleteQueue)], opts...)
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
_, err = c.client.DeleteQueue(ctx, req, settings.GRPC...)
return err
}, opts...)
return err
}
func (c *gRPCClient) PurgeQueue(ctx context.Context, req *taskspb.PurgeQueueRequest, opts ...gax.CallOption) (*taskspb.Queue, error) {
if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
cctx, cancel := context.WithTimeout(ctx, 20000*time.Millisecond)
defer cancel()
ctx = cctx
}
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append((*c.CallOptions).PurgeQueue[0:len((*c.CallOptions).PurgeQueue):len((*c.CallOptions).PurgeQueue)], opts...)
var resp *taskspb.Queue
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.PurgeQueue(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
func (c *gRPCClient) PauseQueue(ctx context.Context, req *taskspb.PauseQueueRequest, opts ...gax.CallOption) (*taskspb.Queue, error) {
if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
cctx, cancel := context.WithTimeout(ctx, 20000*time.Millisecond)
defer cancel()
ctx = cctx
}
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append((*c.CallOptions).PauseQueue[0:len((*c.CallOptions).PauseQueue):len((*c.CallOptions).PauseQueue)], opts...)
var resp *taskspb.Queue
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.PauseQueue(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
func (c *gRPCClient) ResumeQueue(ctx context.Context, req *taskspb.ResumeQueueRequest, opts ...gax.CallOption) (*taskspb.Queue, error) {
if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
cctx, cancel := context.WithTimeout(ctx, 20000*time.Millisecond)
defer cancel()
ctx = cctx
}
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append((*c.CallOptions).ResumeQueue[0:len((*c.CallOptions).ResumeQueue):len((*c.CallOptions).ResumeQueue)], opts...)
var resp *taskspb.Queue
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.ResumeQueue(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
func (c *gRPCClient) GetIamPolicy(ctx context.Context, req *iampb.GetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, error) {
if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
cctx, cancel := context.WithTimeout(ctx, 20000*time.Millisecond)
defer cancel()
ctx = cctx
}
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "resource", url.QueryEscape(req.GetResource())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
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.client.GetIamPolicy(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err