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nodes: store and show host disk free; warn when low (node-26#41)

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Checkin now carries disk_free_bytes/disk_total_bytes. Stored on the node doc
(not overwritten by older nodes that don't send them). Node page shows a Disk
row; node cards warn amber under 15% free, red under 5% or 2 GB. A full disk
stopped node-002 recording for 17 days while it showed Online.

Frontend unverified locally (no Node, #207); CI build typechecks.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Logan Cusano
2026-10-26 02:24:10 -04:00
co-authored by Claude Opus 5.5
parent 4a93390967
commit 268470b6c0
6 changed files with 86 additions and 1 deletions
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drb-c2-core/app/internal/mqtt_handler.py
+6 -1
View File
@@ -128,6 +128,8 @@ class MQTTHandler:
"sdr_devices": payload.get("sdr_devices"),
"op25_sdr_serial": payload.get("op25_sdr_serial"),
"sdr_count": payload.get("sdr_count"), # None until reported, never a guessed 1
"disk_free_bytes": payload.get("disk_free_bytes"),
"disk_total_bytes": payload.get("disk_total_bytes"),
"enforce_override_timeout": payload.get("enforce_override_timeout", True),
"is_overridden": False,
"override_system_id": None,
@@ -161,8 +163,11 @@ class MQTTHandler:
# radio_channels (node-26#24): a conventional node's channels and
# whether each is encrypted — the one decode failure the owner has
# to hear about from C2, since nothing on the node can fix it.
# disk_* (node-26#41): free/total bytes of the host disk the node
# records to — a full disk silently stopped node-002 for 17 days.
for key in ("secondary_sdr_mode", "secondary_sdr_priority", "secondary_sdr_running",
"sdr_pins", "sdr_devices", "op25_sdr_serial", "radio_channels"):
"sdr_pins", "sdr_devices", "op25_sdr_serial", "radio_channels",
"disk_free_bytes", "disk_total_bytes"):
if key in payload:
updates[key] = payload[key]
if "sdr_count" in payload:
drb-c2-core/tests/test_mqtt_handler.py
+16
View File
@@ -118,6 +118,22 @@ async def test_checkin_updates_existing_configured_node(handler):
assert "last_seen" in updates
@pytest.mark.asyncio
async def test_checkin_stores_disk_free_and_total(handler):
# node-26#41: a full disk stopped node-002 recording while it showed Online.
existing = {"node_id": "node-01", "status": "online", "configured": True}
with patch("app.internal.mqtt_handler.fstore") as mock_fstore:
mock_fstore.doc_get = AsyncMock(return_value=existing)
mock_fstore.doc_update = AsyncMock()
await handler._handle_checkin("node-01", {"disk_free_bytes": 5, "disk_total_bytes": 100})
updates = mock_fstore.doc_update.call_args[0][2]
assert updates["disk_free_bytes"] == 5 and updates["disk_total_bytes"] == 100
# An older node that doesn't report disk must not wipe the fields.
await handler._handle_checkin("node-01", {"name": "x"})
assert "disk_free_bytes" not in mock_fstore.doc_update.call_args[0][2]
@pytest.mark.asyncio
async def test_checkin_does_not_promote_unconfigured_to_online(handler):
existing = {