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feat: Log backend exit code (#9581)

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Signed-off-by: Richard Palethorpe <io@richiejp.com>
This commit is contained in:
Richard Palethorpe
2026-04-27 13:19:18 +01:00
committed by GitHub
parent 60549a8a60
commit deca6dbdad
3 changed files with 28 additions and 3 deletions
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2
go.mod
View File

@@ -38,7 +38,7 @@ require (
github.com/modelcontextprotocol/go-sdk v1.5.0
github.com/mudler/cogito v0.9.5-0.20260315222927-63abdec7189b
github.com/mudler/edgevpn v0.31.1
github.com/mudler/go-processmanager v0.1.0
github.com/mudler/go-processmanager v0.1.1
github.com/mudler/memory v0.0.0-20260406210934-424c1ecf2cf8
github.com/mudler/xlog v0.0.6
github.com/nats-io/nats.go v1.50.0

4
go.sum
View File

@@ -711,8 +711,8 @@ github.com/mudler/edgevpn v0.31.1 h1:7qegiDWd0kAg6ljhNHxqvp8hbo/6BbzSdbb7/2WZfiY
github.com/mudler/edgevpn v0.31.1/go.mod h1:ftV5B0nKFzm4R8vR80UYnCb2nf7lxCRgAALxUEEgCf8=
github.com/mudler/go-piper v0.0.0-20241023091659-2494246fd9fc h1:RxwneJl1VgvikiX28EkpdAyL4yQVnJMrbquKospjHyA=
github.com/mudler/go-piper v0.0.0-20241023091659-2494246fd9fc/go.mod h1:O7SwdSWMilAWhBZMK9N9Y/oBDyMMzshE3ju8Xkexwig=
github.com/mudler/go-processmanager v0.1.0 h1:fcSKgF9U/a1Z7KofAFeZnke5YseadCI5GqL9oT0LS3E=
github.com/mudler/go-processmanager v0.1.0/go.mod h1:h6kmHUZeafr+k5hRYpGLMzJFH4hItHffgpRo2QIkP+o=
github.com/mudler/go-processmanager v0.1.1 h1:c/1NRZOZpW8HuFv9RhBG57nQu1oDMRomEHedwBFMlrw=
github.com/mudler/go-processmanager v0.1.1/go.mod h1:h6kmHUZeafr+k5hRYpGLMzJFH4hItHffgpRo2QIkP+o=
github.com/mudler/localrecall v0.5.9-0.20260415164846-8ad831f840fc h1:p1ucQ2rbU4mhG2Xl1Emg5Q6QCYCjI+fvMF9KTek/+sY=
github.com/mudler/localrecall v0.5.9-0.20260415164846-8ad831f840fc/go.mod h1:xuPtgL9zUyiQLmspYzO3kaboYrGbWmwi8BQPt1aCAcs=
github.com/mudler/memory v0.0.0-20260406210934-424c1ecf2cf8 h1:Ry8RiWy8fZ6Ff4E7dPmjRsBrnHOnPeOOj2LhCgyjQu0=

25
pkg/model/process.go
View File

@@ -204,5 +204,30 @@ func (ml *ModelLoader) startProcess(grpcProcess, id string, serverAddress string
}
}()
// Surface backend exits in the log. Without this, a crash (SIGSEGV
// from a missing shared library, a Python ImportError, etc.) is
// invisible at every log level — the only signal is a delayed
// "connection refused" from the gRPC dial, which doesn't say
// whether the child is alive.
go func() {
<-grpcControlProcess.Done()
fields := []any{
"id", id,
"address", serverAddress,
"process", filepath.Base(grpcProcess),
}
code, codeErr := grpcControlProcess.ExitCode()
if codeErr == nil {
fields = append(fields, "exitCode", code)
}
// 143 = 128 + SIGTERM, the signal sent during graceful stop / model unload.
// Treat that and a clean 0 as expected; everything else is a likely crash.
if codeErr == nil && (code == "0" || code == "143") {
xlog.Info("Backend process exited", fields...)
} else {
xlog.Warn("Backend process exited unexpectedly", fields...)
}
}()
return grpcControlProcess, nil
}