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Postgres sync engine. Sync little subsets of your Postgres data into local apps and services.
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lib/electric/replication/shape_log_collector/supervisor.ex
defmodule Electric.Replication.ShapeLogCollector.Supervisor do
@moduledoc """
Supervisor for the ShapeLogCollector components.
Setting `max_restarts` to 0 as the supervisor only acts as
a coordinator for starting and normal shutdowns, to preserve
the ShapeLogCollector's death side effects in its supervision
tree as before.
"""
use Supervisor
alias Electric.Replication.ShapeLogCollector
def name(stack_id) do
Electric.ProcessRegistry.name(stack_id, __MODULE__)
end
def start_link(opts) do
Supervisor.start_link(__MODULE__, opts, name: name(opts[:stack_id]))
end
def init(opts) do
stack_id = Access.fetch!(opts, :stack_id)
Process.set_label({:shape_log_collector_supervisor, stack_id})
Logger.metadata(stack_id: stack_id)
Electric.Telemetry.Sentry.set_tags_context(stack_id: stack_id)
children = [
{ShapeLogCollector, opts},
{ShapeLogCollector.RequestBatcher, stack_id: stack_id}
]
# Prevent any restarts until the whole system is capable of sustaining
# the SLC dying without any other shape machinery being restarted
Supervisor.init(children, strategy: :one_for_all, max_restarts: 0)
end
end