Rust

Download S3 CloudTrail Log and Un-Gzip

See more Amazon S3 Examples

Demonstrates how to download a Amazon CloudTrail log from an S3 bucket. The file in this example is a .json.gz. The file is uncompressed and the JSON parsed. Rust

// This requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

let http = chilkat::Http::new();

http.set_aws_access_key("AWS_ACCESS_KEY");
http.set_aws_secret_key("AWS_SECRET_KEY");
http.set_aws_region("us-west-2");
http.set_aws_endpoint("s3-us-west-2.amazonaws.com");

let bucket_name = "chilkat.logs".to_string();
let object_name = "/AWSLogs/957491831129/CloudTrail/us-west-1/2016/11/12/957491831129_CloudTrail_us-west-1_20161112T1335Z_umXfD4RxHE5nDGuI.json.gz".to_string();
let local_file_path = "qa_output/cloudTrailLog.json.gz".to_string();

if http.s3_download_file(&bucket_name, &object_name, &local_file_path).is_err() {
    println!("{}", http.last_error_text());
    return;
}

let status_code = http.last_status();
if status_code != 200 {
    println!("Failed to download, response status code = {}", status_code);
    return;
}

let json_path = "qa_output/cloudTrailLog.json".to_string();
let gzip = chilkat::Gzip::new();
if gzip.uncompress_file(&local_file_path, &json_path).is_err() {
    println!("{}", gzip.last_error_text());
    return;
}

let json = chilkat::JsonObject::new();
let _ = json.load_file(&json_path);
json.set_emit_compact(false);
println!("{}", json.emit().unwrap_or_default());

// Sample JSON is shown below.
// Go to http://tools.chilkat.io/jsonParse.cshtml 
// and copy/paste the JSON into the online tool to generate parsing code.

// {
//   "Records": [
//     {
//       "eventVersion": "1.05",
//       "userIdentity": {
//         "type": "Root",
//         "principalId": "954591834127",
//         "arn": "arn:aws:iam::954591834127:root",
//         "accountId": "954591834127",
//         "accessKeyId": "ASIAJ3DEMXUXI43B6FYQ",
//         "sessionContext": {
//           "attributes": {
//             "mfaAuthenticated": "false",
//             "creationDate": "2016-11-12T13:09:31Z"
//           }
//         }
//       },
//       "eventTime": "2016-11-12T13:34:39Z",
//       "eventSource": "cloudtrail.amazonaws.com",
//       "eventName": "DescribeTrails",
//       "awsRegion": "us-west-1",
//       "sourceIPAddress": "98.228.98.57",
//       "userAgent": "console.amazonaws.com",
//       "requestParameters": {
//         "trailNameList": [
//         ]
//       },
//       "responseElements": null,
//       "requestID": "c2a0376c-a8dc-11e6-89e7-85ac5ce5ee56",
//       "eventID": "eb5afd70-dae1-41f0-82b4-91c3c936d9ba",
//       "eventType": "AwsApiCall",
//       "recipientAccountId": "954591834127"
//     }
//   ]
// }