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wubloader
mirror of https://github.com/ekimekim/wubloader
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Mike Lang 45c46df8bb Add thumbnail templating code
.github/workflows github actions: check out submodules when building
api_ping Link images to github repo by adding a LABEL
backfiller more backfiller chat fixes
chat_archiver Add restreamer endpoint for viewing chat messages
common Add thumbnail templating code
cutter Add thumbnail templating code
db_scripts use a UTC timestamp
downloader Implement tombstoning to allow for segment deletion
monitoring monitoring: only request for services matching role
nginx Link images to github repo by adding a LABEL
playlist_manager playlist_manager: Don't add non-public videos to playlists
postgres Database changes for thumbnails
restreamer Add restreamer endpoint for viewing chat messages
segment_coverage Implement tombstoning to allow for segment deletion
sheetsync sheetsync: Show unlisted videos in DONE state as UNLISTED instead
thrimbletrimmer Trigger download of the image file in a hacky way
thrimshim thrimbletrimmer: Add advanced submission option for "public" videos
.gitignore Add some existing scripts for setting up prometheus
.gitmodules chat-archiver: Early work and basic archival
.prettierrc.yaml Auto-format JS files with prettier
.travis.yml Add ability to explicitly pull and re-use layers from other commits when building
DATABASE.md Database changes for thumbnails
INSTALL.md Add playlist manager to all the various other places
LICENSE Update LICENSE
README.md Some extra documentation on chat_archiver
SecurityModel.md Update SecurityModel.md
build Integrate chat archiver as a proper component
docker-compose.jsonnet Add "public" column to control if videos are unlisted
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 default k8s.jsonnet PVC capacity

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.
  • playlist_manager adds videos to youtube playlists depending on tags.
  • chat_archiver records twitch chat messages and merges them with records from other nodes.
  • 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.