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// Copyright 2018 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.
// AUTO-GENERATED CODE. DO NOT EDIT.
package redis
import (
"math"
"time"
"cloud.google.com/go/internal/version"
"cloud.google.com/go/longrunning"
lroauto "cloud.google.com/go/longrunning/autogen"
anypb "github.com/golang/protobuf/ptypes/any"
gax "github.com/googleapis/gax-go"
"golang.org/x/net/context"
"google.golang.org/api/iterator"
"google.golang.org/api/option"
"google.golang.org/api/transport"
redispb "google.golang.org/genproto/googleapis/cloud/redis/v1beta1"
longrunningpb "google.golang.org/genproto/googleapis/longrunning"
"google.golang.org/grpc"
"google.golang.org/grpc/metadata"
)
// CloudRedisCallOptions contains the retry settings for each method of CloudRedisClient.
type CloudRedisCallOptions struct {
ListInstances []gax.CallOption
GetInstance []gax.CallOption
CreateInstance []gax.CallOption
UpdateInstance []gax.CallOption
DeleteInstance []gax.CallOption
}
func defaultCloudRedisClientOptions() []option.ClientOption {
return []option.ClientOption{
option.WithEndpoint("redis.googleapis.com:443"),
option.WithScopes(DefaultAuthScopes()...),
}
}
func defaultCloudRedisCallOptions() *CloudRedisCallOptions {
retry := map[[2]string][]gax.CallOption{}
return &CloudRedisCallOptions{
ListInstances: retry[[2]string{"default", "non_idempotent"}],
GetInstance: retry[[2]string{"default", "non_idempotent"}],
CreateInstance: retry[[2]string{"default", "non_idempotent"}],
UpdateInstance: retry[[2]string{"default", "non_idempotent"}],
DeleteInstance: retry[[2]string{"default", "non_idempotent"}],
}
}
// CloudRedisClient is a client for interacting with Google Cloud Memorystore for Redis API.
type CloudRedisClient struct {
// The connection to the service.
conn *grpc.ClientConn
// The gRPC API client.
cloudRedisClient redispb.CloudRedisClient
// LROClient is used internally to handle longrunning operations.
// It is exposed so that its CallOptions can be modified if required.
// Users should not Close this client.
LROClient *lroauto.OperationsClient
// The call options for this service.
CallOptions *CloudRedisCallOptions
// The x-goog-* metadata to be sent with each request.
xGoogMetadata metadata.MD
}
// NewCloudRedisClient creates a new cloud redis client.
//
// Configures and manages Cloud Memorystore for Redis instances
//
// Google Cloud Memorystore for Redis v1beta1
//
// The redis.googleapis.com service implements the Google Cloud Memorystore
// for Redis API and defines the following resource model for managing Redis
// instances:
//
// The service works with a collection of cloud projects, named: /projects/*
//
// Each project has a collection of available locations, named: /locations/*
//
// Each location has a collection of Redis instances, named: /instances/*
//
// As such, Redis instances are resources of the form:
// /projects/{project_id}/locations/{location_id}/instances/{instance_id}
//
// Note that location_id must be refering to a GCP region; for example:
//
// projects/redpepper-1290/locations/us-central1/instances/my-redis
func NewCloudRedisClient(ctx context.Context, opts ...option.ClientOption) (*CloudRedisClient, error) {
conn, err := transport.DialGRPC(ctx, append(defaultCloudRedisClientOptions(), opts...)...)
if err != nil {
return nil, err
}
c := &CloudRedisClient{
conn: conn,
CallOptions: defaultCloudRedisCallOptions(),
cloudRedisClient: redispb.NewCloudRedisClient(conn),
}
c.setGoogleClientInfo()
c.LROClient, err = lroauto.NewOperationsClient(ctx, option.WithGRPCConn(conn))
if err != nil {
// This error "should not happen", since we are just reusing old connection
// and never actually need to dial.
// If this does happen, we could leak conn. However, we cannot close conn:
// If the user invoked the function with option.WithGRPCConn,
// we would close a connection that's still in use.
// TODO(pongad): investigate error conditions.
return nil, err
}
return c, nil
}
// Connection returns the client's connection to the API service.
func (c *CloudRedisClient) Connection() *grpc.ClientConn {
return c.conn
}
// Close closes the connection to the API service. The user should invoke this when
// the client is no longer required.
func (c *CloudRedisClient) Close() error {
return c.conn.Close()
}
// setGoogleClientInfo sets the name and version of the application in
// the `x-goog-api-client` header passed on each request. Intended for
// use by Google-written clients.
func (c *CloudRedisClient) setGoogleClientInfo(keyval ...string) {
kv := append([]string{"gl-go", version.Go()}, keyval...)
kv = append(kv, "gapic", version.Repo, "gax", gax.Version, "grpc", grpc.Version)
c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...))
}
// ListInstances lists all Redis instances owned by a project in either the specified
// location (region) or all locations.
//
// The location should have the following format:
//
// projects/{project_id}/locations/{location_id}
//
// If location_id is specified as - (wildcard), then all regions
// available to the project are queried, and the results are aggregated.
func (c *CloudRedisClient) ListInstances(ctx context.Context, req *redispb.ListInstancesRequest, opts ...gax.CallOption) *InstanceIterator {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.ListInstances[0:len(c.CallOptions.ListInstances):len(c.CallOptions.ListInstances)], opts...)
it := &InstanceIterator{}
it.InternalFetch = func(pageSize int, pageToken string) ([]*redispb.Instance, string, error) {
var resp *redispb.ListInstancesResponse
req.PageToken = pageToken
if pageSize > math.MaxInt32 {
req.PageSize = math.MaxInt32
} else {
req.PageSize = int32(pageSize)
}
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.cloudRedisClient.ListInstances(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, "", err
}
return resp.Instances, resp.NextPageToken, nil
}
fetch := func(pageSize int, pageToken string) (string, error) {
items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
if err != nil {
return "", err
}
it.items = append(it.items, items...)
return nextPageToken, nil
}
it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
return it
}
// GetInstance gets the details of a specific Redis instance.
func (c *CloudRedisClient) GetInstance(ctx context.Context, req *redispb.GetInstanceRequest, opts ...gax.CallOption) (*redispb.Instance, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.GetInstance[0:len(c.CallOptions.GetInstance):len(c.CallOptions.GetInstance)], opts...)
var resp *redispb.Instance
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.cloudRedisClient.GetInstance(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// CreateInstance creates a Redis instance based on the specified tier and memory size.
//
// By default, the instance is peered to the project's
// default network (at /compute/docs/networks-and-firewalls#networks).
//
// The creation is executed asynchronously and callers may check the returned
// operation to track its progress. Once the operation is completed the Redis
// instance will be fully functional. Completed longrunning.Operation will
// contain the new instance object in the response field.
//
// The returned operation is automatically deleted after a few hours, so there
// is no need to call DeleteOperation.
func (c *CloudRedisClient) CreateInstance(ctx context.Context, req *redispb.CreateInstanceRequest, opts ...gax.CallOption) (*CreateInstanceOperation, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.CreateInstance[0:len(c.CallOptions.CreateInstance):len(c.CallOptions.CreateInstance)], opts...)
var resp *longrunningpb.Operation
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.cloudRedisClient.CreateInstance(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return &CreateInstanceOperation{
lro: longrunning.InternalNewOperation(c.LROClient, resp),
}, nil
}
// UpdateInstance updates the metadata and configuration of a specific Redis instance.
//
// Completed longrunning.Operation will contain the new instance object
// in the response field. The returned operation is automatically deleted
// after a few hours, so there is no need to call DeleteOperation.
func (c *CloudRedisClient) UpdateInstance(ctx context.Context, req *redispb.UpdateInstanceRequest, opts ...gax.CallOption) (*UpdateInstanceOperation, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.UpdateInstance[0:len(c.CallOptions.UpdateInstance):len(c.CallOptions.UpdateInstance)], opts...)
var resp *longrunningpb.Operation
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.cloudRedisClient.UpdateInstance(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return &UpdateInstanceOperation{
lro: longrunning.InternalNewOperation(c.LROClient, resp),
}, nil
}
// DeleteInstance deletes a specific Redis instance. Instance stops serving and data is
// deleted.
func (c *CloudRedisClient) DeleteInstance(ctx context.Context, req *redispb.DeleteInstanceRequest, opts ...gax.CallOption) (*DeleteInstanceOperation, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.DeleteInstance[0:len(c.CallOptions.DeleteInstance):len(c.CallOptions.DeleteInstance)], opts...)
var resp *longrunningpb.Operation
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.cloudRedisClient.DeleteInstance(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return &DeleteInstanceOperation{
lro: longrunning.InternalNewOperation(c.LROClient, resp),
}, nil
}
// InstanceIterator manages a stream of *redispb.Instance.
type InstanceIterator struct {
items []*redispb.Instance
pageInfo *iterator.PageInfo
nextFunc func() error
// InternalFetch is for use by the Google Cloud Libraries only.
// It is not part of the stable interface of this package.
//
// InternalFetch returns results from a single call to the underlying RPC.
// The number of results is no greater than pageSize.
// If there are no more results, nextPageToken is empty and err is nil.
InternalFetch func(pageSize int, pageToken string) (results []*redispb.Instance, nextPageToken string, err error)
}
// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *InstanceIterator) PageInfo() *iterator.PageInfo {
return it.pageInfo
}
// Next returns the next result. Its second return value is iterator.Done if there are no more
// results. Once Next returns Done, all subsequent calls will return Done.
func (it *InstanceIterator) Next() (*redispb.Instance, error) {
var item *redispb.Instance
if err := it.nextFunc(); err != nil {
return item, err
}
item = it.items[0]
it.items = it.items[1:]
return item, nil
}
func (it *InstanceIterator) bufLen() int {
return len(it.items)
}
func (it *InstanceIterator) takeBuf() interface{} {
b := it.items
it.items = nil
return b
}
// CreateInstanceOperation manages a long-running operation from CreateInstance.
type CreateInstanceOperation struct {
lro *longrunning.Operation
}
// CreateInstanceOperation returns a new CreateInstanceOperation from a given name.
// The name must be that of a previously created CreateInstanceOperation, possibly from a different process.
func (c *CloudRedisClient) CreateInstanceOperation(name string) *CreateInstanceOperation {
return &CreateInstanceOperation{
lro: longrunning.InternalNewOperation(c.LROClient, &longrunningpb.Operation{Name: name}),
}
}
// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *CreateInstanceOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*redispb.Instance, error) {
var resp redispb.Instance
if err := op.lro.WaitWithInterval(ctx, &resp, 360000*time.Millisecond, opts...); err != nil {
return nil, err
}
return &resp, nil
}
// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *CreateInstanceOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*redispb.Instance, error) {
var resp redispb.Instance
if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
return nil, err
}
if !op.Done() {
return nil, nil
}
return &resp, nil
}
// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *CreateInstanceOperation) Metadata() (*anypb.Any, error) {
var meta anypb.Any
if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
return nil, nil
} else if err != nil {
return nil, err
}
return &meta, nil
}
// Done reports whether the long-running operation has completed.
func (op *CreateInstanceOperation) Done() bool {
return op.lro.Done()
}
// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *CreateInstanceOperation) Name() string {
return op.lro.Name()
}
// DeleteInstanceOperation manages a long-running operation from DeleteInstance.
type DeleteInstanceOperation struct {
lro *longrunning.Operation
}
// DeleteInstanceOperation returns a new DeleteInstanceOperation from a given name.
// The name must be that of a previously created DeleteInstanceOperation, possibly from a different process.
func (c *CloudRedisClient) DeleteInstanceOperation(name string) *DeleteInstanceOperation {
return &DeleteInstanceOperation{
lro: longrunning.InternalNewOperation(c.LROClient, &longrunningpb.Operation{Name: name}),
}
}
// Wait blocks until the long-running operation is completed, returning any error encountered.
//
// See documentation of Poll for error-handling information.
func (op *DeleteInstanceOperation) Wait(ctx context.Context, opts ...gax.CallOption) error {
return op.lro.WaitWithInterval(ctx, nil, 360000*time.Millisecond, opts...)
}
// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully, op.Done will return true.
func (op *DeleteInstanceOperation) Poll(ctx context.Context, opts ...gax.CallOption) error {
return op.lro.Poll(ctx, nil, opts...)
}
// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *DeleteInstanceOperation) Metadata() (*anypb.Any, error) {
var meta anypb.Any
if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
return nil, nil
} else if err != nil {
return nil, err
}
return &meta, nil
}
// Done reports whether the long-running operation has completed.
func (op *DeleteInstanceOperation) Done() bool {
return op.lro.Done()
}
// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *DeleteInstanceOperation) Name() string {
return op.lro.Name()
}
// UpdateInstanceOperation manages a long-running operation from UpdateInstance.
type UpdateInstanceOperation struct {
lro *longrunning.Operation
}
// UpdateInstanceOperation returns a new UpdateInstanceOperation from a given name.
// The name must be that of a previously created UpdateInstanceOperation, possibly from a different process.
func (c *CloudRedisClient) UpdateInstanceOperation(name string) *UpdateInstanceOperation {
return &UpdateInstanceOperation{
lro: longrunning.InternalNewOperation(c.LROClient, &longrunningpb.Operation{Name: name}),
}
}
// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *UpdateInstanceOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*redispb.Instance, error) {
var resp redispb.Instance
if err := op.lro.WaitWithInterval(ctx, &resp, 360000*time.Millisecond, opts...); err != nil {
return nil, err
}
return &resp, nil
}
// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *UpdateInstanceOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*redispb.Instance, error) {
var resp redispb.Instance
if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
return nil, err
}
if !op.Done() {
return nil, nil
}
return &resp, nil
}
// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *UpdateInstanceOperation) Metadata() (*anypb.Any, error) {
var meta anypb.Any
if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
return nil, nil
} else if err != nil {
return nil, err
}
return &meta, nil
}
// Done reports whether the long-running operation has completed.
func (op *UpdateInstanceOperation) Done() bool {
return op.lro.Done()
}
// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *UpdateInstanceOperation) Name() string {
return op.lro.Name()
}
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