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Handle object not found error in bindings: S3, Azure Blob Storage, GCP Bucket, Huawei OBS #3223

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merged 4 commits into from
Nov 13, 2023
Merged

Handle object not found error in bindings: S3, Azure Blob Storage, GCP Bucket, Huawei OBS #3223

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23818cc
enhancement: not found error handling
sadath-12 Nov 10, 2023
b78f95a
enhancement: handle not found errors
sadath-12 Nov 10, 2023
13779ba
Apply suggestions from code review
ItalyPaleAle Nov 10, 2023
fee4335
format: gofumt
sadath-12 Nov 11, 2023
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5 changes: 5 additions & 0 deletions bindings/aws/s3/s3.go
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@ import (
"crypto/tls"
b64 "encoding/base64"
"encoding/json"
"errors"
"fmt"
"io"
"net/http"
Expand Down Expand Up @@ -300,6 +301,10 @@ func (s *AWSS3) get(ctx context.Context, req *bindings.InvokeRequest) (*bindings
},
)
if err != nil {
var awsErr s3.Error
if errors.As(err, &awsErr) && *awsErr.Code == s3.ErrCodeNoSuchKey {
return nil, fmt.Errorf("object not found: %s", key)
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}
return nil, fmt.Errorf("s3 binding error: error downloading S3 object: %w", err)
}

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6 changes: 6 additions & 0 deletions bindings/azure/blobstorage/blobstorage.go
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@ import (

"github.com/Azure/azure-sdk-for-go/sdk/storage/azblob"
"github.com/Azure/azure-sdk-for-go/sdk/storage/azblob/blob"
"github.com/Azure/azure-sdk-for-go/sdk/storage/azblob/bloberror"
"github.com/Azure/azure-sdk-for-go/sdk/storage/azblob/blockblob"
"github.com/Azure/azure-sdk-for-go/sdk/storage/azblob/container"
"github.com/google/uuid"
Expand Down Expand Up @@ -189,7 +190,12 @@ func (a *AzureBlobStorage) get(ctx context.Context, req *bindings.InvokeRequest)
}

blobDownloadResponse, err := blockBlobClient.DownloadStream(ctx, &downloadOptions)

if err != nil {
var storageErr bloberror.Code
if errors.As(err, &storageErr) && storageErr == bloberror.BlobNotFound {
return nil, fmt.Errorf("blob not found: %s", req.Metadata[metadataKeyBlobName])
}
return nil, fmt.Errorf("error downloading az blob: %w", err)
}
reader := blobDownloadResponse.Body
Expand Down
10 changes: 10 additions & 0 deletions bindings/gcp/bucket/bucket.go
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You are almost done - you still need to format this file properly - that is done with the gofumpt tool. There are other files that need to be formatted as well - see the linter error (make lint to run the linter locally)

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Thank you @berndverst 🙂

Original file line number Diff line number Diff line change
Expand Up @@ -23,11 +23,16 @@ import (
"net/url"
"reflect"
"strconv"
"errors"
"net/http"


"cloud.google.com/go/storage"
"github.com/google/uuid"
"google.golang.org/api/iterator"
"google.golang.org/api/option"
"google.golang.org/api/googleapi"


"github.com/dapr/components-contrib/bindings"
"github.com/dapr/components-contrib/metadata"
Expand Down Expand Up @@ -213,6 +218,11 @@ func (g *GCPStorage) get(ctx context.Context, req *bindings.InvokeRequest) (*bin
var rc io.ReadCloser
rc, err = g.client.Bucket(g.metadata.Bucket).Object(key).NewReader(ctx)
if err != nil {
var apiErr *googleapi.Error
if errors.As(err, &apiErr) && apiErr.Code == http.StatusNotFound {
return nil, fmt.Errorf("object not found: %s", key)
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}

return nil, fmt.Errorf("gcp bucketgcp bucket binding error: error downloading bucket object: %w", err)
}
defer rc.Close()
Expand Down
6 changes: 6 additions & 0 deletions bindings/huawei/obs/obs.go
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Original file line number Diff line number Diff line change
Expand Up @@ -17,10 +17,12 @@ import (
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
"io"
"reflect"
"strconv"
"net/http"

"github.com/google/uuid"
"github.com/huaweicloud/huaweicloud-sdk-go-obs/obs"
Expand Down Expand Up @@ -219,6 +221,10 @@ func (o *HuaweiOBS) get(ctx context.Context, req *bindings.InvokeRequest) (*bind

out, err := o.service.GetObject(ctx, input)
if err != nil {
var obsErr obs.ObsError
if errors.As(err, &obsErr) && obsErr.StatusCode == http.StatusNotFound {
return nil, fmt.Errorf("object not found: %s", key)
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}
return nil, fmt.Errorf("obs binding error. error getting obs object: %w", err)
}

Expand Down