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Merge pull request #426 from target/S3Redundancy
Optional Redundancy logging to remote S3 location
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| package tosss3 | ||
|
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||
| import ( | ||
| "log" | ||
|
|
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| "github.com/aws/aws-sdk-go/aws" | ||
| "github.com/aws/aws-sdk-go/aws/credentials" | ||
| "github.com/aws/aws-sdk-go/aws/session" | ||
| "github.com/aws/aws-sdk-go/service/s3" | ||
| ) | ||
|
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| func tossS3Delete(AccessKey string, AccessSecret string, myBucket string, filename string, region string, endpoint string) { | ||
|
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| // Create a Session with a custom creds | ||
| var awsConfig = &aws.Config{ | ||
| Region: aws.String(region), | ||
| Endpoint: aws.String(endpoint), | ||
| Credentials: credentials.NewStaticCredentials(string(AccessKey), string(AccessSecret), ""), | ||
| } | ||
|
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| // The session the S3 Uploader will use | ||
| sess := session.Must(session.NewSession(awsConfig)) | ||
|
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| // Create S3 service client | ||
| svc := s3.New(sess) | ||
|
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| // Delete log from S3 now that it's been read | ||
| _, err := svc.DeleteObject(&s3.DeleteObjectInput{Bucket: aws.String(string(myBucket)), Key: aws.String(filename)}) | ||
| if err != nil { | ||
| log.Printf("Unable to delete object %q from bucket %q, %v", filename, myBucket, err) | ||
| } | ||
|
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| err = svc.WaitUntilObjectNotExists(&s3.HeadObjectInput{ | ||
| Bucket: aws.String(string(myBucket)), | ||
| Key: aws.String(filename), | ||
| }) | ||
| if err != nil { | ||
| log.Printf("Failed to delete file from S3, %v", err) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| package tosss3 | ||
|
|
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| import ( | ||
| "log" | ||
|
|
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| "github.com/aws/aws-sdk-go/aws" | ||
| "github.com/aws/aws-sdk-go/aws/credentials" | ||
| "github.com/aws/aws-sdk-go/aws/session" | ||
| "github.com/aws/aws-sdk-go/service/s3" | ||
| "github.com/aws/aws-sdk-go/service/s3/s3manager" | ||
| ) | ||
|
|
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| func DownloadFromS3(AccessKey string, AccessSecret string, myBucket string, filename string, region string, endpoint string) []byte { | ||
|
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| // Create a Session with a custom creds | ||
| var awsConfig = &aws.Config{ | ||
| Region: aws.String(region), | ||
| Endpoint: aws.String(endpoint), | ||
| Credentials: credentials.NewStaticCredentials(string(AccessKey), string(AccessSecret), ""), | ||
| } | ||
|
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| // The session the S3 Uploader will use | ||
| sess := session.Must(session.NewSession(awsConfig)) | ||
|
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| // Create downloader in order to retrieve log files (Should hopefully only be one) | ||
| downloader := s3manager.NewDownloader(sess) | ||
|
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| // Prune out old logs before downloading to reduce time to catch up | ||
| tossS3PruneLogs(AccessKey, AccessSecret, myBucket, region, endpoint) | ||
|
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| buff := &aws.WriteAtBuffer{} | ||
|
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| // Iterate through buckets, download to buffer | ||
| logFileFromS3, err := downloader.Download(buff, &s3.GetObjectInput{ | ||
| Bucket: aws.String(string(myBucket)), | ||
| Key: aws.String(filename), | ||
| }) | ||
| if err != nil { | ||
| log.Printf("failed to download file, %v", err) | ||
| } | ||
| log.Printf("Persistance log downloaded from S3, %d bytes\n", logFileFromS3) | ||
|
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| tossS3Delete(AccessKey, AccessSecret, myBucket, filename, region, endpoint) | ||
|
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| return buff.Bytes() | ||
| } |
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