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Changelog

This changelog contains a loose collection of changes in every release including breaking changes to the API.

The format is based on Keep a Changelog

0.10.0

Added

  • Support for Python 3.14

Changed

  • Updated supporting dependencies
  • Changed to UV as a build system, removing dependency on legacy things

Removed

  • Removed official support for EOL Python 3.9. TrailScraper might still run but we no longer actively test for it.

0.9.1

Changed

  • Updated supporting dependencies
  • Improved RAM usage when filtering by ARN #732 (thanks @anonymous-work-156 for the contribution)

0.9.0

Added

  • Support for Python 3.12
  • Support for Python 3.13

Removed

  • Removed official support for EOL Python 3.7. TrailScraper might still run but we no longer actively test for it.
  • Removed official support for EOL Python 3.8. TrailScraper might still run but we no longer actively test for it.

0.8.1

Changed

  • Updated supporting dependencies

0.8.0

Added

  • Support for Python 3.10
  • Support for Python 3.11

Removed

  • Removed official support for EOL Python 3.6. TrailScraper might still run but we no longer actively test for it.

0.7.0

Added

  • Support for Python 3.9

Removed

  • Removed official support for Python 3.5. TrailScraper might still run but we no longer actively test for it

Changed

  • Moving from DockerHub to GitHub Container registry for Docker images (since DockerHub is dropping support for autobuilds and restricting it in other ways)
  • Updated supporting dependencies

0.6.4

Fixed

  • Fixed Docker images that threw a ModuleNotFoundError

Changed

  • Performance tweaks
    • trailscraper download uses smarter directory listing to improve performance with large date ranges and little new data
    • trailscraper download now downloads files in parallel
    • Minor performance improvements in trailscraper select

0.6.2 and 0.6.3

(skipeed because of continuing release-script issues)

0.6.1

(same as 0.6.1, just fixing inconsistent release)

0.6.0

Added

  • Support for Python 3.7 and 3.8
  • Support for org-level trails (#101)

Fixed

  • trailscraper guess was not working when installed through homebrew or pip (#110)

Removed

  • Removed official support for Python 2.7 and 3.4. TrailScraper might still run but we no longer actively test for it

0.5.1

Added

  • New command guess to extend existing policy by guessing matching actions #22

Fixed

  • Fixed parsing events that contain resources without an ARN (e.g. s3:ListObjects) #51

0.5.0

Breaking CLI changes: split up generate-policy into select and generate (#38)

Added

  • New command select to print all CloudTrail records matching a filter to stdout
  • New command generate to take CloudTrail records from stdin and generate a policy for it

Changed

  • New command select defaults to not filtering at all whereas generate-policy filtered for recent events by default. Changed to make filtering more explicit and predictable instead of surprising users who wonder why their events don't show up

Removed

  • Removed command generate-policy, replaced with select and generate. Use pipes to produce the same behavior: 
    $ trailscraper select | trailscraper generate

0.4.4

Fixed

  • Made trailscraper timezone-aware. Until now, trailscraper implicitly treated everything as UTC, meaning relative timestamps (e.g. now, two hours ago) didn't work properly when filtering logfiles to download or records to generate from. (#39)

Added

  • New command trailscraper last-event-timestamp to get the last known event timestamp.
  • New flag trailscraper download --wait to wait until events for the specified timeframe are found. Useful if you are waiting for CloudTrail to ship logs for a recent operation.

0.4.3

skipped because of release-problems

0.4.2

Fixed

  • Fixed various special cases in mapping CloudTrail to IAM Actions:
    • API Gateway
    • App Stream 2
    • DynamoDB Streams
    • Lex
    • Mechanical Turk
    • S3
    • STS
    • Tagging

0.4.1

Fixed

  • Ignore record files that can't be read (e.g. not valid GZIP) in Python 2.7 (was only working in Python 3.* before)
  • Fixed permissions generated for services that include the API version date (e.g. Lambda, CloudFront) (#20)

0.4.0

Added

  • Support for CloudTrail lookup_events API that allows users to generate a policy without downloading logs from an S3 bucket. Note that this API only returns "create, modify, and delete API calls"

  • trailscraper download now supports --from and --to flags to specify the timeframe that should be downloaded. Accepts precise (e.g. "2017-10-12") and relative (e.g. "-2days") arguments.

  • trailscraper generate-policy now supports --from and --to to filter events to consider for the generated policy. Accepts precise (e.g. "2017-10-12") and relative (e.g. "-2days") arguments.

  • Performance optimizations: generate-policy only reads logfiles for the timeframe requested

  • Added --version command line argument

Changed

  • Set more flexible dependencies

Removed

  • Removed --past-days parameter in trailscraper download. Was replaced by --from and --to (see above)

Fixed

  • Ignore record files that can't be read (e.g. not valid GZIP)

0.3.0

Added

  • Support for Python >= 2.7

Changed

  • Do not download CloudTrail Logs from S3 if they already exist in the target folder (#9)
  • Removed dependency on fork of the awacs-library to simplify installation and development

Fixed

  • Bug that led to policy-statements with the same set of actions not being combined properly in some cases (#7)

0.2.0

Added

  • Basic filtering for role-arns when generating policy (#3)

0.1.0

Initial Release

Added

  • Basic feature to download CloudTrail Logs from S3 for certain accounts and timeframe
  • Basic feature to generate IAM Policies from a set of downloaded CloudTrail logs