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Give the charts to both copies of the dashboard

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The page is served twice — on the admin listener, and at /admin behind a
session — and the history source reached only the second. The first version
built it after the admin listener's copy was already registered and passed that
one an empty NavExtras, so the page an operator reaches by SSH tunnel had no
charts and no explanation.

Built before either is registered, and handed to both.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
This commit is contained in:
Ilker ManapandClaude Opus 5 committed 2026-09-27 18:29:19 +02:00
1 parent c6df0659af
commit 9ef02dc9ec
1 file changed
+19 -9
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internal/cli/server.go
+19 -9
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@@ -182,22 +182,32 @@ func newServerCmd() *cobra.Command {
if st := rt.Store(); st != nil {
usage = st
}
// The dashboard's operational charts. llmgw publishes these
// metrics; what it cannot do is remember them, so the history
// is read back from wherever they were scraped to.
//
// Built before either copy of the page is registered, and given
// to both. The first version built it afterwards and handed it
// only to the one on the client port, so the copy an operator
// reaches by SSH tunnel — the one on this very listener — had
// no charts at all and said nothing about why.
var history web.History
if h := promq.New(cfg.Monitoring.Prometheus, cfg.Monitoring.Timeout); h != nil {
history = h
log.Info("dashboard history configured",
"prometheus", cfg.Monitoring.Prometheus)
}
rt.SetHistory(history, cfg.Monitoring.Window)
adminMux.HandleFunc("GET /", web.Dashboard(
api, usage, version.Version, 5*time.Second, true, web.NavExtras{}, log))
api, usage, version.Version, 5*time.Second, true,
web.NavExtras{History: history, Window: cfg.Monitoring.Window}, log))
adminMux.Handle("GET /_static/", web.Static())
// The same page on the client-facing port at /admin, behind a
// session and an admin flag. Handing the router the data rather
// than the port keeps pprof where it is.
rt.SetClusterView(api, usage)
// The dashboard's operational charts. llmgw publishes these
// metrics; what it cannot do is remember them, so the history
// is read back from wherever they were scraped to.
if h := promq.New(cfg.Monitoring.Prometheus, cfg.Monitoring.Timeout); h != nil {
rt.SetHistory(h, cfg.Monitoring.Window)
log.Info("dashboard history configured",
"prometheus", cfg.Monitoring.Prometheus)
}
}
// The model mirror, when one is configured. Built here and not at