s3: rely on aws sdk v2 error types

Signed-off-by: CrazyMax <[email protected]>

Author: crazy-max

cache/remotecache/s3/s3.go

@@ -15,7 +15,7 @@ import (
 	"github.com/aws/aws-sdk-go-v2/credentials"
 	"github.com/aws/aws-sdk-go-v2/feature/s3/manager"
 	"github.com/aws/aws-sdk-go-v2/service/s3"
-	"github.com/aws/smithy-go"
+	s3types "github.com/aws/aws-sdk-go-v2/service/s3/types"
 	"github.com/containerd/containerd/content"
 	"github.com/containerd/containerd/labels"
 	"github.com/moby/buildkit/cache/remotecache"
@@ -472,6 +472,7 @@ func (s3Client *s3Client) blobKey(dgst digest.Digest) string {
 }
 
 func isNotFound(err error) bool {
-	var errapi smithy.APIError
-	return errors.As(err, &errapi) && (errapi.ErrorCode() == "NoSuchKey" || errapi.ErrorCode() == "NotFound")
+	var nf *s3types.NotFound
+	var nsk *s3types.NoSuchKey
+	return errors.As(err, &nf) || errors.As(err, &nsk)
 }

go.mod

@@ -14,7 +14,6 @@ require (
 	github.com/aws/aws-sdk-go-v2/credentials v1.16.16
 	github.com/aws/aws-sdk-go-v2/feature/s3/manager v1.15.15
 	github.com/aws/aws-sdk-go-v2/service/s3 v1.48.1
-	github.com/aws/smithy-go v1.19.0
 	github.com/containerd/console v1.0.3
 	github.com/containerd/containerd v1.7.12
 	github.com/containerd/continuity v0.4.2
@@ -123,6 +122,7 @@ require (
 	github.com/aws/aws-sdk-go-v2/service/sso v1.18.7 // indirect
 	github.com/aws/aws-sdk-go-v2/service/ssooidc v1.21.7 // indirect
 	github.com/aws/aws-sdk-go-v2/service/sts v1.26.7 // indirect
+	github.com/aws/smithy-go v1.19.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cenkalti/backoff/v4 v4.2.1 // indirect
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect