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feat(swarm): persist DeckyConfig snapshot per shard + enrich list API

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Dispatch now writes the full serialised DeckyConfig into
DeckyShard.decky_config (plus decky_ip as a cheap extract), so the
master can render the same rich per-decky card the local-fleet view
uses — hostname, distro, archetype, service_config, mutate_interval,
last_mutated — without round-tripping to the worker on every page
render. DeckyShardView gains the corresponding fields; the repository
flattens the snapshot at read time. Pre-migration rows keep working
(fields fall through as None/defaults).

Columns are additive + nullable so SQLModel.metadata.create_all handles
the change on both SQLite and MySQL. Backfill happens organically on
the next dispatch or (in a follow-up) agent heartbeat.
This commit is contained in:
anti
2026-04-19 21:29:45 -04:00
parent f576564f02
commit 3ebd206bca
5 changed files with 64 additions and 5 deletions
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22
decnet/web/db/models.py
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@@ -140,9 +140,20 @@ class DeckyShard(SQLModel, table=True):
host_uuid: str = Field(foreign_key="swarm_hosts.uuid", index=True)
# JSON list of service names running on this decky (snapshot of assignment).
services: str = Field(sa_column=Column("services", _BIG_TEXT, nullable=False, default="[]"))
state: str = Field(default="pending", index=True) # pending|running|failed|torn_down
# Full serialised DeckyConfig from the most recent dispatch or heartbeat.
# Lets the dashboard render the same rich card (hostname/distro/archetype/
# service_config/mutate_interval) that the local-fleet view uses, without
# needing a live round-trip to the worker for every page render.
decky_config: Optional[str] = Field(
default=None, sa_column=Column("decky_config", _BIG_TEXT, nullable=True)
)
decky_ip: Optional[str] = Field(default=None)
state: str = Field(default="pending", index=True) # pending|running|failed|torn_down|degraded|tearing_down|teardown_failed
last_error: Optional[str] = Field(default=None, sa_column=Column("last_error", Text, nullable=True))
compose_hash: Optional[str] = Field(default=None)
# Timestamp of the last heartbeat that echoed this shard; lets the UI
# show "stale" decks whose agent has gone silent.
last_seen: Optional[datetime] = Field(default=None)
updated_at: datetime = Field(default_factory=lambda: datetime.now(timezone.utc))
@@ -343,6 +354,15 @@ class DeckyShardView(BaseModel):
last_error: Optional[str] = None
compose_hash: Optional[str] = None
updated_at: datetime
# Enriched fields lifted from the stored DeckyConfig snapshot so the
# dashboard can render the same card shape as the local-fleet view.
hostname: Optional[str] = None
distro: Optional[str] = None
archetype: Optional[str] = None
service_config: dict[str, dict[str, Any]] = {}
mutate_interval: Optional[int] = None
last_mutated: float = 0.0
last_seen: Optional[datetime] = None
class SwarmDeployRequest(BaseModel):