chrislu
2 years ago
3 changed files with 129 additions and 3 deletions
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12go.mod
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6go.sum
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114test/s3/s3client/s3client.go
@ -0,0 +1,114 @@ |
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package main |
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import ( |
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"context" |
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"github.com/aws/aws-sdk-go-v2/aws" |
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"github.com/aws/aws-sdk-go-v2/aws/retry" |
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"github.com/aws/aws-sdk-go-v2/config" |
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"github.com/aws/aws-sdk-go-v2/credentials" |
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"github.com/aws/aws-sdk-go-v2/service/s3" |
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"time" |
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) |
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|
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func main() { |
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cfg := MyConfig{ |
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Key: "any", |
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Secret: "any", |
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Region: "US", |
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Endpoint: MyEndpoint{ |
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URL: "http://localhost:8333", |
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}, |
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Bucket: MyBucketConfig{ |
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Name: "newbucket", |
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Versioning: false, |
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}, |
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MaxBackoffDelay: aws.Int(int(time.Second * 5)), |
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MaxRetryAttempts: aws.Int(1), |
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} |
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awsCfg, err := MyAwsConfig(cfg) |
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if err != nil { |
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panic(err) |
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} |
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svc := s3.NewFromConfig(*awsCfg, func(o *s3.Options) { |
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o.UsePathStyle = true |
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}) |
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// Use the S3 client to interact with SeaweedFS
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// ...
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// Example: List all buckets
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result, err := svc.ListBuckets(context.Background(), &s3.ListBucketsInput{}) |
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// no errors - got list of buckets
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if err != nil { |
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panic(err) |
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} |
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// Print the list of buckets
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for _, bucket := range result.Buckets { |
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println(*bucket.Name) |
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} |
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bucket := "bucket1" |
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_, err = svc.HeadBucket(context.Background(), &s3.HeadBucketInput{Bucket: &bucket}) |
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// ERROR HERE
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if err != nil { |
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println(err) |
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} |
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} |
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// === helpers
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func MyAwsConfig(cfg MyConfig) (*aws.Config, error) { |
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cred := aws.NewCredentialsCache(credentials.NewStaticCredentialsProvider(cfg.Key, cfg.Secret, "")) |
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customResolver := aws.EndpointResolverWithOptionsFunc( |
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func(service, region string, options ...interface{}) (aws.Endpoint, error) { |
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return aws.Endpoint{ |
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URL: cfg.Endpoint.URL, |
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SigningRegion: cfg.Region, |
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}, nil |
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}) |
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awsCfg, err := config.LoadDefaultConfig(context.TODO(), |
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config.WithRegion(cfg.Region), |
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config.WithCredentialsProvider(cred), |
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config.WithEndpointResolverWithOptions(customResolver), |
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config.WithRetryer(func() aws.Retryer { |
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r := retry.AddWithMaxAttempts(retry.NewStandard(), *cfg.MaxRetryAttempts) |
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return retry.AddWithMaxBackoffDelay(r, time.Duration(*cfg.MaxBackoffDelay*1000*1000)) |
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})) |
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return &awsCfg, err |
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} |
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type MyConfig struct { |
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// Access key of S3 AWS.
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Key string |
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// Access secret of S3 AWS.
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Secret string |
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// Region.
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Region string |
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// AWS endpoint.
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Endpoint MyEndpoint |
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// Bucket configuration.
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Bucket MyBucketConfig |
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// File access.
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FileAccess MyFileAccessType |
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// Maximum backoff delay (ms, default: 20 sec).
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MaxBackoffDelay *int |
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// Maximum attempts to retry operation on error (default: 5).
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MaxRetryAttempts *int |
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} |
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type MyBucketConfig struct { |
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// Name of bucket
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Name string |
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// Enable or not versioning
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Versioning bool |
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} |
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type MyEndpoint struct { |
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URL string |
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} |
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type MyFileAccessType byte |
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