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ad0f7a5305
Upgrade to Go 1.20.5, Hydra v2 SDK, rules-go v0.44.2 (with proper resolves), protobuf v25.3 and mass upgrade of Go dependencies.
76 lines
2.3 KiB
Go
76 lines
2.3 KiB
Go
// Copyright 2023 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package storage
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import (
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"google.golang.org/api/option"
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"google.golang.org/api/option/internaloption"
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)
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// storageConfig contains the Storage client option configuration that can be
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// set through storageClientOptions.
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type storageConfig struct {
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useJSONforReads bool
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readAPIWasSet bool
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}
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// newStorageConfig generates a new storageConfig with all the given
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// storageClientOptions applied.
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func newStorageConfig(opts ...option.ClientOption) storageConfig {
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var conf storageConfig
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for _, opt := range opts {
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if storageOpt, ok := opt.(storageClientOption); ok {
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storageOpt.ApplyStorageOpt(&conf)
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}
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}
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return conf
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}
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// A storageClientOption is an option for a Google Storage client.
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type storageClientOption interface {
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option.ClientOption
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ApplyStorageOpt(*storageConfig)
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}
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// WithJSONReads is an option that may be passed to a Storage Client on creation.
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// It sets the client to use the JSON API for object reads. Currently, the
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// default API used for reads is XML.
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// Setting this option is required to use the GenerationNotMatch condition.
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//
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// Note that when this option is set, reads will return a zero date for
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// [ReaderObjectAttrs].LastModified and may return a different value for
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// [ReaderObjectAttrs].CacheControl.
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func WithJSONReads() option.ClientOption {
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return &withReadAPI{useJSON: true}
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}
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// WithXMLReads is an option that may be passed to a Storage Client on creation.
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// It sets the client to use the XML API for object reads.
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//
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// This is the current default.
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func WithXMLReads() option.ClientOption {
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return &withReadAPI{useJSON: false}
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}
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type withReadAPI struct {
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internaloption.EmbeddableAdapter
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useJSON bool
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}
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func (w *withReadAPI) ApplyStorageOpt(c *storageConfig) {
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c.useJSONforReads = w.useJSON
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c.readAPIWasSet = true
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}
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