Cloud Run Admin API v2 - Package cloud.google.com/go/run/apiv2 (v0.1.0)

Package run is an auto-generated package for the Cloud Run Admin API.

NOTE: This package is in beta. It is not stable, and may be subject to changes.

Example usage

To get started with this package, create a client.

ctx := context.Background()
c, err := run.NewRevisionsClient(ctx)
if err != nil {
    // TODO: Handle error.
}
defer c.Close()

The client will use your default application credentials. Clients should be reused instead of created as needed. The methods of Client are safe for concurrent use by multiple goroutines. The returned client must be Closed when it is done being used.

Using the Client

The following is an example of making an API call with the newly created client.

ctx := context.Background()
c, err := run.NewRevisionsClient(ctx)
if err != nil {
    // TODO: Handle error.
}
defer c.Close()

req := &runpb.GetRevisionRequest{
    // TODO: Fill request struct fields.
    // See https://pkg.go.dev/google.golang.org/genproto/googleapis/cloud/run/v2#GetRevisionRequest.
}
resp, err := c.GetRevision(ctx, req)
if err != nil {
    // TODO: Handle error.
}
// TODO: Use resp.
_ = resp

Use of Context

The ctx passed to NewClient is used for authentication requests and for creating the underlying connection, but is not used for subsequent calls. Individual methods on the client use the ctx given to them.

To close the open connection, use the Close() method.

For information about setting deadlines, reusing contexts, and more please visit https://pkg.go.dev/cloud.google.com/go.

Functions

func DefaultAuthScopes

func DefaultAuthScopes() []string

DefaultAuthScopes reports the default set of authentication scopes to use with this package.

CreateServiceOperation

type CreateServiceOperation struct {
	// contains filtered or unexported fields
}

CreateServiceOperation manages a long-running operation from CreateService.

func (*CreateServiceOperation) Done

func (op *CreateServiceOperation) Done() bool

Done reports whether the long-running operation has completed.

func (*CreateServiceOperation) Metadata

func (op *CreateServiceOperation) Metadata() (*runpb.Service, error)

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 (*CreateServiceOperation) Name

func (op *CreateServiceOperation) Name() string

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 (*CreateServiceOperation) Poll

func (op *CreateServiceOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*runpb.Service, error)

Poll fetches the latest state of the long-running operation.

Poll also fetches the latest metadata, which can be retrieved by Metadata.

If Poll fails, the error is returned and op is unmodified. If Poll succeeds and the operation has completed with failure, the error is returned and op.Done will return true. If Poll succeeds and the operation has completed successfully, op.Done will return true, and the response of the operation is returned. If Poll succeeds and the operation has not completed, the returned response and error are both nil.

func (*CreateServiceOperation) Wait

func (op *CreateServiceOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*runpb.Service, error)

Wait blocks until the long-running operation is completed, returning the response and any errors encountered.

See documentation of Poll for error-handling information.

DeleteRevisionOperation

type DeleteRevisionOperation struct {
	// contains filtered or unexported fields
}

DeleteRevisionOperation manages a long-running operation from DeleteRevision.

func (*DeleteRevisionOperation) Done

func (op *DeleteRevisionOperation) Done() bool

Done reports whether the long-running operation has completed.

func (*DeleteRevisionOperation) Metadata

func (op *DeleteRevisionOperation) Metadata() (*runpb.Revision, error)

func (*DeleteRevisionOperation) Name

func (op *DeleteRevisionOperation) Name() string

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 (*DeleteRevisionOperation) Poll

func (op *DeleteRevisionOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*runpb.Revision, error)

Poll fetches the latest state of the long-running operation.

Poll also fetches the latest metadata, which can be retrieved by Metadata.

func (*DeleteRevisionOperation) Wait

func (op *DeleteRevisionOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*runpb.Revision, error)

Wait blocks until the long-running operation is completed, returning the response and any errors encountered.

See documentation of Poll for error-handling information.

DeleteServiceOperation

type DeleteServiceOperation struct {
	// contains filtered or unexported fields
}

DeleteServiceOperation manages a long-running operation from DeleteService.

func (*DeleteServiceOperation) Done

func (op *DeleteServiceOperation) Done() bool

Done reports whether the long-running operation has completed.

func (*DeleteServiceOperation) Metadata

func (op *DeleteServiceOperation) Metadata() (*runpb.Service, error)

func (*DeleteServiceOperation) Name

func (op *DeleteServiceOperation) Name() string

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 (*DeleteServiceOperation) Poll

func (op *DeleteServiceOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*runpb.Service, error)

Poll fetches the latest state of the long-running operation.

Poll also fetches the latest metadata, which can be retrieved by Metadata.

func (*DeleteServiceOperation) Wait

func (op *DeleteServiceOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*runpb.Service, error)

Wait blocks until the long-running operation is completed, returning the response and any errors encountered.

See documentation of Poll for error-handling information.

RevisionIterator

type RevisionIterator struct {

	// Response is the raw response for the current page.
	// It must be cast to the RPC response type.
	// Calling Next() or InternalFetch() updates this value.
	Response interface{}

	// 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 []*runpb.Revision, nextPageToken string, err error)
	// contains filtered or unexported fields
}

RevisionIterator manages a stream of *runpb.Revision.

func (*RevisionIterator) Next

func (it *RevisionIterator) Next() (*runpb.Revision, error)

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 (*RevisionIterator) PageInfo

func (it *RevisionIterator) PageInfo() *iterator.PageInfo

PageInfo supports pagination. See the google.golang.org/api/iterator package for details.

RevisionsCallOptions

type RevisionsCallOptions struct {
	GetRevision    []gax.CallOption
	ListRevisions  []gax.CallOption
	DeleteRevision []gax.CallOption
}

RevisionsCallOptions contains the retry settings for each method of RevisionsClient.

RevisionsClient

type RevisionsClient struct {

	// The call options for this service.
	CallOptions *RevisionsCallOptions

	// LROClient is used internally to handle long-running operations.
	// It is exposed so that its CallOptions can be modified if required.
	// Users should not Close this client.
	LROClient *lroauto.OperationsClient
	// contains filtered or unexported fields
}

RevisionsClient is a client for interacting with Cloud Run Admin API. Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.

Cloud Run Revision Control Plane API.

func NewRevisionsClient

func NewRevisionsClient(ctx context.Context, opts ...option.ClientOption) (*RevisionsClient, error)

NewRevisionsClient creates a new revisions client based on gRPC. The returned client must be Closed when it is done being used to clean up its underlying connections.

Cloud Run Revision Control Plane API.

Example

package main

import (
	run "cloud.google.com/go/run/apiv2"
	"context"
)

func main() {
	ctx := context.Background()
	c, err := run.NewRevisionsClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	// TODO: Use client.
	_ = c
}

func (*RevisionsClient) Close

func (c *RevisionsClient) Close() error

Close closes the connection to the API service. The user should invoke this when the client is no longer required.

func (*RevisionsClient) Connection

func (c *RevisionsClient) Connection() *grpc.ClientConn

Connection returns a connection to the API service.

Deprecated.

func (*RevisionsClient) DeleteRevision

func (c *RevisionsClient) DeleteRevision(ctx context.Context, req *runpb.DeleteRevisionRequest, opts ...gax.CallOption) (*DeleteRevisionOperation, error)

DeleteRevision delete a Revision.

Example

package main

import (
	run "cloud.google.com/go/run/apiv2"
	"context"
	runpb "google.golang.org/genproto/googleapis/cloud/run/v2"
)

func main() {
	ctx := context.Background()
	c, err := run.NewRevisionsClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &runpb.DeleteRevisionRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/google.golang.org/genproto/googleapis/cloud/run/v2#DeleteRevisionRequest.
	}
	op, err := c.DeleteRevision(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}

	resp, err := op.Wait(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

func (*RevisionsClient) DeleteRevisionOperation

func (c *RevisionsClient) DeleteRevisionOperation(name string) *DeleteRevisionOperation

DeleteRevisionOperation returns a new DeleteRevisionOperation from a given name. The name must be that of a previously created DeleteRevisionOperation, possibly from a different process.

func (*RevisionsClient) GetRevision

func (c *RevisionsClient) GetRevision(ctx context.Context, req *runpb.GetRevisionRequest, opts ...gax.CallOption) (*runpb.Revision, error)

GetRevision gets information about a Revision.

Example

package main

import (
	run "cloud.google.com/go/run/apiv2"
	"context"
	runpb "google.golang.org/genproto/googleapis/cloud/run/v2"
)

func main() {
	ctx := context.Background()
	c, err := run.NewRevisionsClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &runpb.GetRevisionRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/google.golang.org/genproto/googleapis/cloud/run/v2#GetRevisionRequest.
	}
	resp, err := c.GetRevision(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

func (*RevisionsClient) ListRevisions

func (c *RevisionsClient) ListRevisions(ctx context.Context, req *runpb.ListRevisionsRequest, opts ...gax.CallOption) *RevisionIterator

ListRevisions list Revisions from a given Service, or from a given location.

Example

package main

import (
	run "cloud.google.com/go/run/apiv2"
	"context"
	"google.golang.org/api/iterator"
	runpb "google.golang.org/genproto/googleapis/cloud/run/v2"
)

func main() {
	ctx := context.Background()
	c, err := run.NewRevisionsClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &runpb.ListRevisionsRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/google.golang.org/genproto/googleapis/cloud/run/v2#ListRevisionsRequest.
	}
	it := c.ListRevisions(ctx, req)
	for {
		resp, err := it.Next()
		if err == iterator.Done {
			break
		}
		if err != nil {
			// TODO: Handle error.
		}
		// TODO: Use resp.
		_ = resp
	}
}

ServiceIterator

type ServiceIterator struct {

	// Response is the raw response for the current page.
	// It must be cast to the RPC response type.
	// Calling Next() or InternalFetch() updates this value.
	Response interface{}

	// 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 []*runpb.Service, nextPageToken string, err error)
	// contains filtered or unexported fields
}

ServiceIterator manages a stream of *runpb.Service.

func (*ServiceIterator) Next

func (it *ServiceIterator) Next() (*runpb.Service, error)

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 (*ServiceIterator) PageInfo

func (it *ServiceIterator) PageInfo() *iterator.PageInfo

PageInfo supports pagination. See the google.golang.org/api/iterator package for details.

ServicesCallOptions

type ServicesCallOptions struct {
	CreateService      []gax.CallOption
	GetService         []gax.CallOption
	ListServices       []gax.CallOption
	UpdateService      []gax.CallOption
	DeleteService      []gax.CallOption
	GetIamPolicy       []gax.CallOption
	SetIamPolicy       []gax.CallOption
	TestIamPermissions []gax.CallOption
}

ServicesCallOptions contains the retry settings for each method of ServicesClient.

ServicesClient

type ServicesClient struct {

	// The call options for this service.
	CallOptions *ServicesCallOptions

	// LROClient is used internally to handle long-running operations.
	// It is exposed so that its CallOptions can be modified if required.
	// Users should not Close this client.
	LROClient *lroauto.OperationsClient
	// contains filtered or unexported fields
}

ServicesClient is a client for interacting with Cloud Run Admin API. Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.

Cloud Run Service Control Plane API

func NewServicesClient

func NewServicesClient(ctx context.Context, opts ...option.ClientOption) (*ServicesClient, error)

NewServicesClient creates a new services client based on gRPC. The returned client must be Closed when it is done being used to clean up its underlying connections.

Cloud Run Service Control Plane API

Example

package main

import (
	run "cloud.google.com/go/run/apiv2"
	"context"
)

func main() {
	ctx := context.Background()
	c, err := run.NewServicesClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	// TODO: Use client.
	_ = c
}

func (*ServicesClient) Close

func (c *ServicesClient) Close() error

Close closes the connection to the API service. The user should invoke this when the client is no longer required.

func (*ServicesClient) Connection

func (c *ServicesClient) Connection() *grpc.ClientConn

Connection returns a connection to the API service.

Deprecated.

func (*ServicesClient) CreateService

func (c *ServicesClient) CreateService(ctx context.Context, req *runpb.CreateServiceRequest, opts ...gax.CallOption) (*CreateServiceOperation, error)

CreateService creates a new Service in a given project and location.

Example

package main

import (
	run "cloud.google.com/go/run/apiv2"
	"context"
	runpb "google.golang.org/genproto/googleapis/cloud/run/v2"
)

func main() {
	ctx := context.Background()
	c, err := run.NewServicesClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &runpb.CreateServiceRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/google.golang.org/genproto/googleapis/cloud/run/v2#CreateServiceRequest.
	}
	op, err := c.CreateService(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}

	resp, err := op.Wait(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

func (*ServicesClient) CreateServiceOperation

func (c *ServicesClient) CreateServiceOperation(name string) *CreateServiceOperation

CreateServiceOperation returns a new CreateServiceOperation from a given name. The name must be that of a previously created CreateServiceOperation, possibly from a different process.

func (*ServicesClient) DeleteService

func (c *ServicesClient) DeleteService(ctx context.Context, req *runpb.DeleteServiceRequest, opts ...gax.CallOption) (*DeleteServiceOperation, error)

DeleteService deletes a Service. This will cause the Service to stop serving traffic and will delete all revisions.

Example

package main

import (
	run "cloud.google.com/go/run/apiv2"
	"context"
	runpb "google.golang.org/genproto/googleapis/cloud/run/v2"
)

func main() {
	ctx := context.Background()
	c, err := run.NewServicesClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &runpb.DeleteServiceRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/google.golang.org/genproto/googleapis/cloud/run/v2#DeleteServiceRequest.
	}
	op, err := c.DeleteService(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}

	resp, err := op.Wait(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

func (*ServicesClient) DeleteServiceOperation

func (c *ServicesClient) DeleteServiceOperation(name string) *DeleteServiceOperation

DeleteServiceOperation returns a new DeleteServiceOperation from a given name. The name must be that of a previously created DeleteServiceOperation, possibly from a different process.

func (*ServicesClient) GetIamPolicy

func (c *ServicesClient) GetIamPolicy(ctx context.Context, req *iampb.GetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, error)

GetIamPolicy get the IAM Access Control policy currently in effect for the given Cloud Run Service. This result does not include any inherited policies.

Example

package main

import (
	run "cloud.google.com/go/run/apiv2"
	"context"
	iampb "google.golang.org/genproto/googleapis/iam/v1"
)

func main() {
	ctx := context.Background()
	c, err := run.NewServicesClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &iampb.GetIamPolicyRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/google.golang.org/genproto/googleapis/iam/v1#GetIamPolicyRequest.
	}
	resp, err := c.GetIamPolicy(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

func (*ServicesClient) GetService

func (c *ServicesClient) GetService(ctx context.Context, req *runpb.GetServiceRequest, opts ...gax.CallOption) (*runpb.Service, error)

GetService gets information about a Service.

Example

package main

import (
	run "cloud.google.com/go/run/apiv2"
	"context"
	runpb "google.golang.org/genproto/googleapis/cloud/run/v2"
)

func main() {
	ctx := context.Background()
	c, err := run.NewServicesClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &runpb.GetServiceRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/google.golang.org/genproto/googleapis/cloud/run/v2#GetServiceRequest.
	}
	resp, err := c.GetService(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

func (*ServicesClient) ListServices

func (c *ServicesClient) ListServices(ctx context.Context, req *runpb.ListServicesRequest, opts ...gax.CallOption) *ServiceIterator

ListServices list Services.

Example

package main

import (
	run "cloud.google.com/go/run/apiv2"
	"context"
	"google.golang.org/api/iterator"
	runpb "google.golang.org/genproto/googleapis/cloud/run/v2"
)

func main() {
	ctx := context.Background()
	c, err := run.NewServicesClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &runpb.ListServicesRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/google.golang.org/genproto/googleapis/cloud/run/v2#ListServicesRequest.
	}
	it := c.ListServices(ctx, req)
	for {
		resp, err := it.Next()
		if err == iterator.Done {
			break
		}
		if err != nil {
			// TODO: Handle error.
		}
		// TODO: Use resp.
		_ = resp
	}
}

func (*ServicesClient) SetIamPolicy

func (c *ServicesClient) SetIamPolicy(ctx context.Context, req *iampb.SetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, error)

SetIamPolicy sets the IAM Access control policy for the specified Service. Overwrites any existing policy.

Example

package main

import (
	run "cloud.google.com/go/run/apiv2"
	"context"
	iampb "google.golang.org/genproto/googleapis/iam/v1"
)

func main() {
	ctx := context.Background()
	c, err := run.NewServicesClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &iampb.SetIamPolicyRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/google.golang.org/genproto/googleapis/iam/v1#SetIamPolicyRequest.
	}
	resp, err := c.SetIamPolicy(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

func (*ServicesClient) TestIamPermissions

func (c *ServicesClient) TestIamPermissions(ctx context.Context, req *iampb.TestIamPermissionsRequest, opts ...gax.CallOption) (*iampb.TestIamPermissionsResponse, error)

TestIamPermissions returns permissions that a caller has on the specified Project.

There are no permissions required for making this API call.

Example

package main

import (
	run "cloud.google.com/go/run/apiv2"
	"context"
	iampb "google.golang.org/genproto/googleapis/iam/v1"
)

func main() {
	ctx := context.Background()
	c, err := run.NewServicesClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &iampb.TestIamPermissionsRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/google.golang.org/genproto/googleapis/iam/v1#TestIamPermissionsRequest.
	}
	resp, err := c.TestIamPermissions(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

func (*ServicesClient) UpdateService

func (c *ServicesClient) UpdateService(ctx context.Context, req *runpb.UpdateServiceRequest, opts ...gax.CallOption) (*UpdateServiceOperation, error)

UpdateService updates a Service.

Example

package main

import (
	run "cloud.google.com/go/run/apiv2"
	"context"
	runpb "google.golang.org/genproto/googleapis/cloud/run/v2"
)

func main() {
	ctx := context.Background()
	c, err := run.NewServicesClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &runpb.UpdateServiceRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/google.golang.org/genproto/googleapis/cloud/run/v2#UpdateServiceRequest.
	}
	op, err := c.UpdateService(ctx, req)
	if err != nil {
		// TODO: Handle error.
	}

	resp, err := op.Wait(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	// TODO: Use resp.
	_ = resp
}

func (*ServicesClient) UpdateServiceOperation

func (c *ServicesClient) UpdateServiceOperation(name string) *UpdateServiceOperation

UpdateServiceOperation returns a new UpdateServiceOperation from a given name. The name must be that of a previously created UpdateServiceOperation, possibly from a different process.

UpdateServiceOperation

type UpdateServiceOperation struct {
	// contains filtered or unexported fields
}

UpdateServiceOperation manages a long-running operation from UpdateService.

func (*UpdateServiceOperation) Done

func (op *UpdateServiceOperation) Done() bool

Done reports whether the long-running operation has completed.

func (*UpdateServiceOperation) Metadata

func (op *UpdateServiceOperation) Metadata() (*runpb.Service, error)

func (*UpdateServiceOperation) Name

func (op *UpdateServiceOperation) Name() string

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 (*UpdateServiceOperation) Poll

func (op *UpdateServiceOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*runpb.Service, error)

Poll fetches the latest state of the long-running operation.

Poll also fetches the latest metadata, which can be retrieved by Metadata.

func (*UpdateServiceOperation) Wait

func (op *UpdateServiceOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*runpb.Service, error)

Wait blocks until the long-running operation is completed, returning the response and any errors encountered.

See documentation of Poll for error-handling information.