VictoriaMetrics/vendor/cloud.google.com/go/storage/grpc_client.go
2022-04-12 12:51:54 +03:00

347 lines
12 KiB
Go

// 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
//
// http://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.
package storage
import (
"context"
"os"
gapic "cloud.google.com/go/storage/internal/apiv2"
"google.golang.org/api/option"
iampb "google.golang.org/genproto/googleapis/iam/v1"
storagepb "google.golang.org/genproto/googleapis/storage/v2"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
const (
// defaultConnPoolSize is the default number of connections
// to initialize in the GAPIC gRPC connection pool. A larger
// connection pool may be necessary for jobs that require
// high throughput and/or leverage many concurrent streams.
//
// This is an experimental API and not intended for public use.
defaultConnPoolSize = 4
// globalProjectAlias is the project ID alias used for global buckets.
//
// This is only used for the gRPC API.
globalProjectAlias = "_"
)
// defaultGRPCOptions returns a set of the default client options
// for gRPC client initialization.
//
// This is an experimental API and not intended for public use.
func defaultGRPCOptions() []option.ClientOption {
defaults := []option.ClientOption{
option.WithGRPCConnectionPool(defaultConnPoolSize),
}
// Set emulator options for gRPC if an emulator was specified. Note that in a
// hybrid client, STORAGE_EMULATOR_HOST will set the host to use for HTTP and
// STORAGE_EMULATOR_HOST_GRPC will set the host to use for gRPC (when using a
// local emulator, HTTP and gRPC must use different ports, so this is
// necessary).
//
// TODO: When the newHybridClient is not longer used, remove
// STORAGE_EMULATOR_HOST_GRPC and use STORAGE_EMULATOR_HOST for both the
// HTTP and gRPC based clients.
if host := os.Getenv("STORAGE_EMULATOR_HOST_GRPC"); host != "" {
// Strip the scheme from the emulator host. WithEndpoint does not take a
// scheme for gRPC.
host = stripScheme(host)
defaults = append(defaults,
option.WithEndpoint(host),
option.WithGRPCDialOption(grpc.WithInsecure()),
option.WithoutAuthentication(),
)
}
return defaults
}
// grpcStorageClient is the gRPC API implementation of the transport-agnostic
// storageClient interface.
//
// This is an experimental API and not intended for public use.
type grpcStorageClient struct {
raw *gapic.Client
settings *settings
}
// newGRPCStorageClient initializes a new storageClient that uses the gRPC
// Storage API.
//
// This is an experimental API and not intended for public use.
func newGRPCStorageClient(ctx context.Context, opts ...storageOption) (storageClient, error) {
s := initSettings(opts...)
s.clientOption = append(defaultGRPCOptions(), s.clientOption...)
g, err := gapic.NewClient(ctx, s.clientOption...)
if err != nil {
return nil, err
}
return &grpcStorageClient{
raw: g,
settings: s,
}, nil
}
func (c *grpcStorageClient) Close() error {
return c.raw.Close()
}
// Top-level methods.
func (c *grpcStorageClient) GetServiceAccount(ctx context.Context, project string, opts ...storageOption) (string, error) {
return "", errMethodNotSupported
}
func (c *grpcStorageClient) CreateBucket(ctx context.Context, project string, attrs *BucketAttrs, opts ...storageOption) (*BucketAttrs, error) {
s := callSettings(c.settings, opts...)
b := attrs.toProtoBucket()
// If there is lifecycle information but no location, explicitly set
// the location. This is a GCS quirk/bug.
if b.GetLocation() == "" && b.GetLifecycle() != nil {
b.Location = "US"
}
req := &storagepb.CreateBucketRequest{
Parent: toProjectResource(project),
Bucket: b,
BucketId: b.GetName(),
// TODO(noahdietz): This will be switched to a string.
//
// PredefinedAcl: attrs.PredefinedACL,
// PredefinedDefaultObjectAcl: attrs.PredefinedDefaultObjectACL,
}
var battrs *BucketAttrs
err := run(ctx, func() error {
res, err := c.raw.CreateBucket(ctx, req, s.gax...)
battrs = newBucketFromProto(res)
return err
}, s.retry, s.idempotent)
return battrs, err
}
func (c *grpcStorageClient) ListBuckets(ctx context.Context, project string, opts ...storageOption) (*BucketIterator, error) {
return nil, errMethodNotSupported
}
// Bucket methods.
func (c *grpcStorageClient) DeleteBucket(ctx context.Context, bucket string, conds *BucketConditions, opts ...storageOption) error {
s := callSettings(c.settings, opts...)
req := &storagepb.DeleteBucketRequest{
Name: bucketResourceName(globalProjectAlias, bucket),
}
if err := applyBucketCondsProto("grpcStorageClient.DeleteBucket", conds, req); err != nil {
return err
}
if s.userProject != "" {
req.CommonRequestParams = &storagepb.CommonRequestParams{
UserProject: toProjectResource(s.userProject),
}
}
return run(ctx, func() error {
return c.raw.DeleteBucket(ctx, req, s.gax...)
}, s.retry, s.idempotent)
}
func (c *grpcStorageClient) GetBucket(ctx context.Context, bucket string, conds *BucketConditions, opts ...storageOption) (*BucketAttrs, error) {
s := callSettings(c.settings, opts...)
req := &storagepb.GetBucketRequest{
Name: bucketResourceName(globalProjectAlias, bucket),
}
if err := applyBucketCondsProto("grpcStorageClient.GetBucket", conds, req); err != nil {
return nil, err
}
if s.userProject != "" {
req.CommonRequestParams = &storagepb.CommonRequestParams{
UserProject: toProjectResource(s.userProject),
}
}
var battrs *BucketAttrs
err := run(ctx, func() error {
res, err := c.raw.GetBucket(ctx, req, s.gax...)
battrs = newBucketFromProto(res)
return err
}, s.retry, s.idempotent)
if s, ok := status.FromError(err); ok && s.Code() == codes.NotFound {
return nil, ErrBucketNotExist
}
return battrs, err
}
func (c *grpcStorageClient) UpdateBucket(ctx context.Context, uattrs *BucketAttrsToUpdate, conds *BucketConditions, opts ...storageOption) (*BucketAttrs, error) {
return nil, errMethodNotSupported
}
func (c *grpcStorageClient) LockBucketRetentionPolicy(ctx context.Context, bucket string, conds *BucketConditions, opts ...storageOption) error {
return errMethodNotSupported
}
func (c *grpcStorageClient) ListObjects(ctx context.Context, bucket string, q *Query, opts ...storageOption) (*ObjectIterator, error) {
return nil, errMethodNotSupported
}
// Object metadata methods.
func (c *grpcStorageClient) DeleteObject(ctx context.Context, bucket, object string, conds *Conditions, opts ...storageOption) error {
return errMethodNotSupported
}
func (c *grpcStorageClient) GetObject(ctx context.Context, bucket, object string, conds *Conditions, opts ...storageOption) (*ObjectAttrs, error) {
return nil, errMethodNotSupported
}
func (c *grpcStorageClient) UpdateObject(ctx context.Context, bucket, object string, uattrs *ObjectAttrsToUpdate, conds *Conditions, opts ...storageOption) (*ObjectAttrs, error) {
return nil, errMethodNotSupported
}
// Default Object ACL methods.
func (c *grpcStorageClient) DeleteDefaultObjectACL(ctx context.Context, bucket string, entity ACLEntity, opts ...storageOption) error {
return errMethodNotSupported
}
func (c *grpcStorageClient) ListDefaultObjectACLs(ctx context.Context, bucket string, opts ...storageOption) ([]ACLRule, error) {
return nil, errMethodNotSupported
}
func (c *grpcStorageClient) UpdateDefaultObjectACL(ctx context.Context, opts ...storageOption) (*ACLRule, error) {
return nil, errMethodNotSupported
}
// Bucket ACL methods.
func (c *grpcStorageClient) DeleteBucketACL(ctx context.Context, bucket string, entity ACLEntity, opts ...storageOption) error {
return errMethodNotSupported
}
func (c *grpcStorageClient) ListBucketACLs(ctx context.Context, bucket string, opts ...storageOption) ([]ACLRule, error) {
return nil, errMethodNotSupported
}
func (c *grpcStorageClient) UpdateBucketACL(ctx context.Context, bucket string, entity ACLEntity, role ACLRole, opts ...storageOption) (*ACLRule, error) {
return nil, errMethodNotSupported
}
// Object ACL methods.
func (c *grpcStorageClient) DeleteObjectACL(ctx context.Context, bucket, object string, entity ACLEntity, opts ...storageOption) error {
return errMethodNotSupported
}
func (c *grpcStorageClient) ListObjectACLs(ctx context.Context, bucket, object string, opts ...storageOption) ([]ACLRule, error) {
return nil, errMethodNotSupported
}
func (c *grpcStorageClient) UpdateObjectACL(ctx context.Context, bucket, object string, entity ACLEntity, role ACLRole, opts ...storageOption) (*ACLRule, error) {
return nil, errMethodNotSupported
}
// Media operations.
func (c *grpcStorageClient) ComposeObject(ctx context.Context, req *composeObjectRequest, opts ...storageOption) (*ObjectAttrs, error) {
return nil, errMethodNotSupported
}
func (c *grpcStorageClient) RewriteObject(ctx context.Context, req *rewriteObjectRequest, opts ...storageOption) (*rewriteObjectResponse, error) {
return nil, errMethodNotSupported
}
func (c *grpcStorageClient) OpenReader(ctx context.Context, r *Reader, opts ...storageOption) error {
return errMethodNotSupported
}
func (c *grpcStorageClient) OpenWriter(ctx context.Context, w *Writer, opts ...storageOption) error {
return errMethodNotSupported
}
// IAM methods.
func (c *grpcStorageClient) GetIamPolicy(ctx context.Context, resource string, version int32, opts ...storageOption) (*iampb.Policy, error) {
// TODO: Need a way to set UserProject, potentially in X-Goog-User-Project system parameter.
s := callSettings(c.settings, opts...)
req := &iampb.GetIamPolicyRequest{
Resource: bucketResourceName(globalProjectAlias, resource),
Options: &iampb.GetPolicyOptions{
RequestedPolicyVersion: version,
},
}
var rp *iampb.Policy
err := run(ctx, func() error {
var err error
rp, err = c.raw.GetIamPolicy(ctx, req, s.gax...)
return err
}, s.retry, s.idempotent)
return rp, err
}
func (c *grpcStorageClient) SetIamPolicy(ctx context.Context, resource string, policy *iampb.Policy, opts ...storageOption) error {
// TODO: Need a way to set UserProject, potentially in X-Goog-User-Project system parameter.
s := callSettings(c.settings, opts...)
req := &iampb.SetIamPolicyRequest{
Resource: bucketResourceName(globalProjectAlias, resource),
Policy: policy,
}
return run(ctx, func() error {
_, err := c.raw.SetIamPolicy(ctx, req, s.gax...)
return err
}, s.retry, s.idempotent)
}
func (c *grpcStorageClient) TestIamPermissions(ctx context.Context, resource string, permissions []string, opts ...storageOption) ([]string, error) {
// TODO: Need a way to set UserProject, potentially in X-Goog-User-Project system parameter.
s := callSettings(c.settings, opts...)
req := &iampb.TestIamPermissionsRequest{
Resource: bucketResourceName(globalProjectAlias, resource),
Permissions: permissions,
}
var res *iampb.TestIamPermissionsResponse
err := run(ctx, func() error {
var err error
res, err = c.raw.TestIamPermissions(ctx, req, s.gax...)
return err
}, s.retry, s.idempotent)
if err != nil {
return nil, err
}
return res.Permissions, nil
}
// HMAC Key methods.
func (c *grpcStorageClient) GetHMACKey(ctx context.Context, desc *hmacKeyDesc, opts ...storageOption) (*HMACKey, error) {
return nil, errMethodNotSupported
}
func (c *grpcStorageClient) ListHMACKey(ctx context.Context, desc *hmacKeyDesc, opts ...storageOption) *HMACKeysIterator {
return &HMACKeysIterator{}
}
func (c *grpcStorageClient) UpdateHMACKey(ctx context.Context, desc *hmacKeyDesc, attrs *HMACKeyAttrsToUpdate, opts ...storageOption) (*HMACKey, error) {
return nil, errMethodNotSupported
}
func (c *grpcStorageClient) CreateHMACKey(ctx context.Context, desc *hmacKeyDesc, opts ...storageOption) (*HMACKey, error) {
return nil, errMethodNotSupported
}
func (c *grpcStorageClient) DeleteHMACKey(ctx context.Context, desc *hmacKeyDesc, opts ...storageOption) error {
return errMethodNotSupported
}