如何获取AWS S3存储桶访问权限以运行OpenTraffic脚本

Let me walk you through the practical steps to get access to the s3://grab_historical_data, s3://reporter-drop-prod, and s3://reporter-drop-dev buckets needed for running the OpenTraffic reporter's load-historical-data script:

1. Reach Out to the OpenTraffic Community/Team #

Since OpenTraffic is an open-source platform focused on dynamic traffic data, the primary way to get access to these curated S3 buckets is through their official channels. These buckets are likely restricted to trusted contributors or users with legitimate use cases, so:

• Head to the main OpenTraffic repository and look for links to their community spaces—like GitHub Discussions, a Slack workspace, or a mailing list (you’ll find these in the repo’s README).
• When you reach out, clearly explain your use case: something like "I’m trying to run the load_data.sh script to analyze historical traffic data and need access to the specified S3 buckets. Could you guide me on how to get permission?"

2. Set Up AWS IAM Permissions (If You’re Already Part of the Project) #

If you’re contributing to OpenTraffic or working directly with their team, access will likely be granted via AWS IAM roles or policies:

• Ask the project admins to attach a custom IAM policy to your AWS user/role that includes at minimum s3:GetObject and s3:ListBucket permissions for the three buckets. A sample policy snippet would look like this:

  {
    "Version": "2012-10-17",
    "Statement": [
      {
        "Effect": "Allow",
        "Action": ["s3:GetObject", "s3:ListBucket"],
        "Resource": [
          "arn:aws:s3:::grab_historical_data",
          "arn:aws:s3:::grab_historical_data/*",
          "arn:aws:s3:::reporter-drop-prod",
          "arn:aws:s3:::reporter-drop-prod/*",
          "arn:aws:s3:::reporter-drop-dev",
          "arn:aws:s3:::reporter-drop-dev/*"
        ]
      }
    ]
  }
  

• Once the policy is applied, confirm your local AWS credentials (stored in ~/.aws/credentials or set via environment variables) are linked to the correct IAM identity. You can test this with a quick aws s3 ls s3://grab_historical_data command to see if you can list the bucket contents.

3. Check for Public Access or Alternative Data Sources #

Before reaching out, double-check the load-historical-data directory’s documentation to see if there’s any mention of public access to the buckets or alternative data download links. Some open-source projects make subsets of their data publicly available, or provide pre-signed URLs for temporary access if full bucket access isn’t needed.

4. Verify Your Local Setup First #

Make sure you’ve ticked all the boxes in the script’s setup docs to rule out simple configuration issues:

• Install all required dependencies (like AWS CLI, jq, etc.) as listed in the docs.
• Run aws configure to confirm your AWS credentials and default region are set correctly.
• Check the load_data.sh script comments for any hidden environment variables or configuration files you might need to set up.

内容的提问来源于stack exchange，提问作者Ravi Kiran