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wubloader
mirror of https://github.com/ekimekim/wubloader
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Mike Lang 5ccb5afff1 Track number of ignored ads
api_ping api_ping: A simple util for hitting google apis to prevent inactivity
backfiller removed redundant option
common make smart cut work, only to discover it doesn't actually have any advantage over fast
cutter Add non-static implict tags in sheetsync
db_scripts use a UTC timestamp
downloader Track number of ignored ads
monitoring overview.jsonnet: Use a template variable to allow restricting to certain nodes
nginx nginx: SSL server should have same options as non-SSL
postgres Add tags and video_tags database columns
restreamer Add restreamer call to generate full concat'd videos
segment_coverage added support for suspect segments to segment_coverage
sheetsync Add non-static implict tags in sheetsync
thrimbletrimmer Add video tags to thrimbletrimmer
thrimshim thrimshim: Add video tags column as required
.gitignore Add some existing scripts for setting up prometheus
.travis.yml Add ability to explicitly pull and re-use layers from other commits when building
DATABASE.md Add tags and video_tags database columns
INSTALL.md Update database install instructions
LICENSE Update LICENSE
README.md Add k8s option to README
SecurityModel.md Update SecurityModel.md
build Add ability to explicitly pull and re-use layers from other commits when building
docker-compose.jsonnet docker-compose.jsonnet: Use seperate tag for database
generate-docker-compose replace readlink -f with realpath in build scripts
generate-flamegraph generate-flamegraph: Script to create a flamegraph by querying prometheus
get-build-tag replace readlink -f with realpath in build scripts
initial-design-doc.pdf Add initial design doc
k8s.jsonnet Fix suggested style changes

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
  • sheetsync syncs specifc database columns to a google doc which is the primary operator interface.
  • thrimshim acts as an interface between the thrimbletrimmer editor and the database.
  • thrimbletrimmer is a browser based video editor.
  • segment_coverage regularly checks whether there is complete segment coverage for each hour.
  • database hosts a Postgres database to store events to be edited.
  • nginx provides a webserver through which the other components are exposed to the outside world.
  • common provides code shared between the other components.
  • monitoring provides dashboards to allow the wubloader to be monitored.

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.

There is also a kubernetes-based option, but it is less configurable and only supports replication nodes. See k8s.jsonnet for details.

Further details of installing and configuring the backfiller are provided in INSTALL.md.