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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| package s3 | ||
|
|
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| import ( | ||
| "context" | ||
|
|
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| "github.com/aws/aws-sdk-go-v2/config" | ||
| "github.com/aws/aws-sdk-go-v2/service/s3" | ||
| ) | ||
|
|
||
| func NewClient(ctx context.Context, region string) (*s3.Client, error) { | ||
| cfg, err := config.LoadDefaultConfig(ctx, config.WithRegion(region)) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| client := s3.NewFromConfig(cfg) | ||
| return client, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| package s3 | ||
|
|
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| import ( | ||
| "bytes" | ||
| "context" | ||
| "fmt" | ||
| "io/ioutil" | ||
|
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| "github.com/aws/aws-sdk-go-v2/aws" | ||
| "github.com/aws/aws-sdk-go-v2/service/s3" | ||
|
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| awsutil "github.com/devstream-io/devstream/internal/pkg/aws/util" | ||
| ) | ||
|
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| type S3File struct { | ||
| Bucket string | ||
| Region string | ||
| Key string | ||
| ctx context.Context | ||
| client *s3.Client | ||
| } | ||
|
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| func NewS3File(ctx context.Context, bucket, region, key string) (*S3File, error) { | ||
| file := S3File{ | ||
| Bucket: bucket, | ||
| Region: region, | ||
| Key: key, | ||
| ctx: ctx, | ||
| } | ||
|
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| client, err := NewClient(file.ctx, file.Region) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| file.client = client | ||
|
|
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| return &file, nil | ||
| } | ||
|
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| func (f *S3File) Put(data []byte) error { | ||
| params := &s3.PutObjectInput{ | ||
| Bucket: aws.String(f.Bucket), | ||
| Key: aws.String(f.Key), | ||
| Body: bytes.NewReader(data), | ||
| } | ||
| _, err := f.client.PutObject(f.ctx, params) | ||
| if err != nil { | ||
| awsutil.LogAWSError(err) | ||
| return fmt.Errorf("failed to upload %s to bucket %s", f.Key, f.Bucket) | ||
| } | ||
| return nil | ||
| } | ||
|
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| func (f *S3File) Get() ([]byte, error) { | ||
| params := &s3.GetObjectInput{ | ||
| Bucket: aws.String(f.Bucket), | ||
| Key: aws.String(f.Key), | ||
| } | ||
| out, err := f.client.GetObject(f.ctx, params) | ||
| if err != nil { | ||
| awsutil.LogAWSError(err) | ||
| return nil, fmt.Errorf("failed to download %s from bucket %s", f.Key, f.Bucket) | ||
| } | ||
|
|
||
| defer out.Body.Close() | ||
| data, err := ioutil.ReadAll(out.Body) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return data, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| package util | ||
|
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| import "github.com/devstream-io/devstream/pkg/util/log" | ||
|
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| func LogAWSError(err error) { | ||
| if err == nil { | ||
| return | ||
| } | ||
| log.Errorf("AWS error: %s", err) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| package s3 | ||
|
|
||
| import ( | ||
| "context" | ||
|
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| "github.com/devstream-io/devstream/internal/pkg/aws/s3" | ||
| "github.com/devstream-io/devstream/internal/pkg/backend" | ||
| "github.com/devstream-io/devstream/pkg/util/log" | ||
| ) | ||
|
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| var _ backend.Backend = (*S3Backend)(nil) | ||
|
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| const DefaultKey = "devstream.state" | ||
|
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| type S3Backend struct { | ||
| file *s3.S3File | ||
| } | ||
|
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| func NewS3Backend(bucket, region, key string) *S3Backend { | ||
| file, err := s3.NewS3File(context.Background(), bucket, region, key) | ||
| if err != nil { | ||
| log.Fatalf("Creating remote state file %s failed.", key) | ||
| } | ||
| return &S3Backend{ | ||
| file: file, | ||
| } | ||
| } | ||
|
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| func (b *S3Backend) Read() ([]byte, error) { | ||
| return b.file.Get() | ||
| } | ||
|
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| func (b *S3Backend) Write(data []byte) error { | ||
| return b.file.Put(data) | ||
| } |