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Mike Lang 1f15900b6f cutter: At least for now, don't auto-retry errors
This leads to rapidly exhausting our upload limit since even a fast failed request
costs the same amount of usage quota as a 1-hour long video.
6 years ago
backfiller backfiller: Expose recent_cutoff as CLI arg and increase it to 120s default 6 years ago
common
cutter cutter: At least for now, don't auto-retry errors 6 years ago
downloader
monitoring monitoring fixes 6 years ago
nginx
restreamer
sheetsync sheetsync: Fix a failure mode where we never recover from a DB conn failure 6 years ago
thrimshim Cleanup from Ekim's comments, removed auth placeholder until I know what I'm doing. 6 years ago
.gitignore Add some existing scripts for setting up prometheus 6 years ago
.travis.yml
DATABASE.md
LICENSE
README.md
build
docker-compose.jsonnet
generate-docker-compose
generate-flamegraph
initial-design-doc.pdf

README.md

Wubloader is a system for saving, re-serving and cutting into videos of a target twitch (or probably other HLS, but some twitch specifics are assumed) stream.

It was designed to serve the needs of the Video Strike Team as part of Desert Bus For Hope.

A full design doc can be read at initial-design-doc.pdf, but a brief overview of the components:

  • Downloader grabs segments from twitch and saves them to disk
  • Restreamer serves segments from disk as well as playlist files allowing them to be streamed
  • Backfiller queries restreamers of other servers in order to pick up segments this server doesn't have already, ie. it replicates missing segments.
  • Cutter interacts with a database to perform cutting jobs
  • Sheet Sync syncs specifc database columns to a google doc which is the primary operator interface.

Usage

All components are built as docker images. Components which access the disk expect a shared directory mounted at /mnt.

A docker-compose file is provided to run all components. See docker-compose.jsonnet to set configuration options, then generate the compose file with ./generate-docker-compose. Then run docker-compose up.