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Grafana: a panel querying Loki and Prometheus both is Mixed, so Downloads works (#226)

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Each panel took its first query's data source, Loki for Downloads, whose at-once and torrent
lines are Prometheus's; Grafana runs another data source's query only on a Mixed panel.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Ray Slakinski
2026-10-14 00:09:32 +00:00
parent f00adf5da5
commit cece114d98
1 changed files with 5 additions and 1 deletions
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6
grafana/dashboard.py
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@@ -51,8 +51,12 @@ pid = 0
def panel(kind, title, w, h, x, targets, **extra): def panel(kind, title, w, h, x, targets, **extra):
global pid global pid
pid += 1 pid += 1
sources = {t.get("datasource", LOKI)["uid"] for t in targets}
# A panel with queries on more than one data source must be Mixed, or Grafana runs them all on
# the panel's and Downloads, Loki's and Prometheus's, failed (#226).
ds = {"type": "datasource", "uid": "-- Mixed --"} if len(sources) > 1 else targets[0].get("datasource", LOKI)
p = {"id": pid, "type": kind, "title": title, "gridPos": {"x": x, "y": y, "w": w, "h": h}, p = {"id": pid, "type": kind, "title": title, "gridPos": {"x": x, "y": y, "w": w, "h": h},
"datasource": targets[0].get("datasource", LOKI), "targets": targets} "datasource": ds, "targets": targets}
p.update(extra) p.update(extra)
panels.append(p) panels.append(p)
return p return p