/
error_injected_bucket_client.go
86 lines (72 loc) · 2.16 KB
/
error_injected_bucket_client.go
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// SPDX-License-Identifier: AGPL-3.0-only
package bucket
import (
"context"
"io"
"github.com/thanos-io/objstore"
)
type Operation uint8
const (
OpGet = 1 << iota
OpExists
OpUpload
OpDelete
OpIter
OpAttributes
)
// InjectErrorOn injects the provided error if the operation matches the provided mask and target
func InjectErrorOn(mask Operation, target string, err error) func(Operation, string) error {
return func(op Operation, tar string) error {
if (op&mask) == op && tar == target {
return err
}
return nil
}
}
// ErrorInjectedBucketClient facilitates injecting errors into a bucket client
type ErrorInjectedBucketClient struct {
objstore.Bucket
Injector func(Operation, string) error
}
func (b *ErrorInjectedBucketClient) injectError(op Operation, name string) error {
if b.Injector == nil {
return nil
}
return b.Injector(op, name)
}
func (b *ErrorInjectedBucketClient) Get(ctx context.Context, name string) (io.ReadCloser, error) {
if err := b.injectError(OpGet, name); err != nil {
return nil, err
}
return b.Bucket.Get(ctx, name)
}
func (b *ErrorInjectedBucketClient) Exists(ctx context.Context, name string) (bool, error) {
if err := b.injectError(OpExists, name); err != nil {
return false, err
}
return b.Bucket.Exists(ctx, name)
}
func (b *ErrorInjectedBucketClient) Upload(ctx context.Context, name string, r io.Reader) error {
if err := b.injectError(OpUpload, name); err != nil {
return err
}
return b.Bucket.Upload(ctx, name, r)
}
func (b *ErrorInjectedBucketClient) Delete(ctx context.Context, name string) error {
if err := b.injectError(OpDelete, name); err != nil {
return err
}
return b.Bucket.Delete(ctx, name)
}
func (b *ErrorInjectedBucketClient) Iter(ctx context.Context, dir string, f func(string) error, options ...objstore.IterOption) error {
if err := b.injectError(OpIter, dir); err != nil {
return err
}
return b.Bucket.Iter(ctx, dir, f, options...)
}
func (b *ErrorInjectedBucketClient) Attributes(ctx context.Context, name string) (objstore.ObjectAttributes, error) {
if err := b.injectError(OpAttributes, name); err != nil {
return objstore.ObjectAttributes{}, err
}
return b.Bucket.Attributes(ctx, name)
}