Files
MatchLiveTv/backend/app/services/streams/node_registry.rb
T
eminuxandCursor c3878cdc6d Aggiunge registry nodi stream e provisioning Hetzner/lab per lo scale-out.
Prepara l'architettura multi-nodo (MediaMTX+ffmpeg) con assignment URL per sessione, admin di provision/drain e provider Cloud/DNS astratti verso mltv-stream.net.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-08-09 19:52:47 +02:00

58 lines
1.7 KiB
Ruby

# frozen_string_literal: true
module Streams
# Assegna un StreamNode a una nuova sessione (least-loaded tra i ready).
# Garantisce il nodo "home" derivato dagli ENV MediaMTX attuali.
class NodeRegistry
class NoCapacityError < StandardError; end
HOME_SLUG = "home"
class << self
def ensure_home_from_env!
StreamNode.find_or_initialize_by(slug: HOME_SLUG).tap do |node|
node.assign_attributes(
hostname: home_hostname,
role: "home",
status: "ready",
provider: "local",
rtmp_base_url: MatchLiveTv.mediamtx_rtmp_url,
hls_base_url: MatchLiveTv.hls_public_url,
api_base_url: MatchLiveTv.mediamtx_api_url,
internal_rtmp_url: ENV.fetch("MEDIAMTX_INTERNAL_RTMP_URL", "rtmp://mediamtx:1935"),
internal_hls_url: ENV.fetch("MEDIAMTX_HLS_URL", "http://mediamtx:8888"),
max_publishers: ENV.fetch("STREAM_NODE_HOME_MAX_PUBLISHERS", "6").to_i,
max_relays: ENV.fetch("STREAM_NODE_HOME_MAX_RELAYS", "6").to_i
)
node.save!
end
end
def allocate!
ensure_home_from_env!
node = StreamNode.ready
.to_a
.select(&:allocatable?)
.min_by { |n| [n.active_publishers, n.role == "home" ? 1 : 0, n.slug] }
raise NoCapacityError, "Nessun nodo streaming con slot liberi" if node.nil?
node
end
private
def home_hostname
ENV["STREAM_NODE_HOME_HOSTNAME"].presence ||
begin
uri = URI.parse(MatchLiveTv.mediamtx_rtmp_url.sub(/\Artmps?:\/\//, "http://"))
uri.host.presence
rescue URI::InvalidURIError
nil
end || "home"
end
end
end
end