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Mike Lang c9d02b3318 restreamer: Prevent prom client blowing up after two different endpoints are hit 
Prom client doesn't like you creating two stats with the same name,
even though they have different labels and this makes perfect sense.

I feel like I just need to re-write the prom client at some point - it doesn't actually
do all that much except get in your way, apart from the actual text encoding which I
can steal.

Anyway, in the meantime, we get around this by breaking up metrics into two names,
a "foo_all" and a "foo_ENDPOINT". The foo_all lacks the detailed labels,
but is still labelled by endpoint and can be used more easily.
The foo_ENDPOINT labels have more information but require messier PromQL as you need to
match on a name regex if you want to look at more than one specific endpoint.
 		6 years ago
backfiller Moved encode_strings to common 6 years ago
common Moved encode_strings to common 6 years ago
downloader Allow setting of log level via WUBLOADER_LOG_LEVEL env var 6 years ago
restreamer restreamer: Prevent prom client blowing up after two different endpoints are hit 6 years ago
.gitignore Set up a docker compose file to run all images 6 years ago
.travis.yml travis.yml: Make script into individual lines 6 years ago
LICENSE Licence under MIT 6 years ago
README.md Set up a docker compose file to run all images 6 years ago
build Adding in stuff to hopefully get this to run 6 years ago
docker-compose.jsonnet Added the backfiller to docker-compose 6 years ago
generate-docker-compose generate-docker-compose: Clean up the container afterwards 6 years ago
initial-design-doc.pdf Add initial design doc 6 years ago

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.