towerops/lib/towerops_web/live/device_live/index.ex
Graham McIntire d0946c3cd0
refactor: simplify job architecture from Oban coordinators to direct workers
Removes unnecessary two-layer architecture (Oban Coordinator → GenServer)
in favor of direct Oban workers that perform the actual work.

Changes:
- Replace DevicePollerCoordinator + PollerWorker with DevicePollerWorker
- Replace DeviceMonitorCoordinator + DeviceMonitor with DeviceMonitorWorker
- Simplify Monitoring.Supervisor (removed Registries, DynamicSupervisors)
- Remove all Exq dependencies (workers, supervisor, mix deps)
- Convert DiscoveryWorker from Exq to Oban pattern
- Update Devices context to auto-start/stop monitoring and polling
- Update all LiveView callers to use new Oban enqueue pattern
- Fix all tests to use Oban.Job struct instead of raw IDs

Benefits:
- Simpler codebase (~850 lines removed)
- Better reliability (Oban handles retries, failures)
- Lower memory (no persistent GenServers)
- Better observability (work visible in Oban dashboard)
- Cluster-wide coordination via PostgreSQL
- Extensive PubSub usage for real-time events

Files deleted:
- lib/towerops/workers/device_monitor_coordinator.ex
- lib/towerops/workers/device_poller_coordinator.ex
- lib/towerops/snmp/poller_worker.ex
- lib/towerops/monitoring/device_monitor.ex
- lib/towerops/workers/monitor_worker.ex
- lib/towerops/workers/poll_worker.ex
- lib/towerops/exq_supervisor.ex
- All related test files

Files created:
- lib/towerops/workers/device_poller_worker.ex
- lib/towerops/workers/device_monitor_worker.ex

All 3,686 tests passing.
2026-01-24 16:36:57 -06:00

57 lines
1.5 KiB
Elixir

defmodule ToweropsWeb.DeviceLive.Index do
@moduledoc false
use ToweropsWeb, :live_view
alias Towerops.Devices
alias Towerops.Sites
alias Towerops.Snmp
alias Towerops.Workers.DiscoveryWorker
@impl true
def mount(_params, _session, socket) do
organization = socket.assigns.current_organization
device = Devices.list_organization_devices(organization.id)
sites = Sites.list_organization_sites(organization.id)
{:ok,
socket
|> assign(:page_title, "Devices")
|> assign(:device, device)
|> assign(:has_sites, sites != [])}
end
@impl true
def handle_params(params, _url, socket) do
{:noreply, apply_action(socket, socket.assigns.live_action, params)}
end
defp apply_action(socket, :index, _params) do
socket
end
@impl true
def handle_event("force_rediscover_all", _params, socket) do
devices = socket.assigns.device
snmp_devices = Enum.filter(devices, & &1.snmp_enabled)
if Enum.empty?(snmp_devices) do
{:noreply, put_flash(socket, :error, "No SNMP-enabled devices found")}
else
Enum.each(snmp_devices, fn device ->
enqueue_discovery(device.id)
end)
count = length(snmp_devices)
{:noreply, put_flash(socket, :info, "Discovery started for #{count} device#{if count == 1, do: "", else: "s"}")}
end
end
defp enqueue_discovery(device_id) do
if Application.get_env(:towerops, :env) == :test do
_ = Task.start(fn -> Snmp.discover_device(Devices.get_device!(device_id)) end)
else
DiscoveryWorker.enqueue(device_id)
end
end
end