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Stop Distributor on fatal error #1887

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merged 2 commits into from
Nov 21, 2022
Merged

Stop Distributor on fatal error #1887

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518d214
Stop Distributor on fatal error
rdooley Nov 10, 2022
6310987
Basic service supports failing out mid run
rdooley Nov 11, 2022
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
## main / unreleased
* [BUGFIX] Stop distributors on Otel receiver fatal error[#1887](https:/grafana/tempo/pull/1887) (@rdooley)
* [CHANGE] **BREAKING CHANGE** Use snake case on Azure Storage config [#1879](https:/grafana/tempo/issues/1879) (@faustodavid)
Example of using snake case on Azure Storage config:
```
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15 changes: 14 additions & 1 deletion modules/distributor/receiver/shim.go
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Expand Up @@ -69,6 +69,7 @@ type receiversShim struct {
pusher TracesPusher
logger *log.RateLimitedLogger
metricViews []*view.View
fatal chan error
}

func (r *receiversShim) Capabilities() consumer.Capabilities {
Expand All @@ -94,6 +95,7 @@ func New(receiverCfg map[string]interface{}, pusher TracesPusher, middleware Mid
shim := &receiversShim{
pusher: pusher,
logger: log.NewRateLimitedLogger(logsPerSecond, level.Error(log.Logger)),
fatal: make(chan error),
}

// shim otel observability
Expand Down Expand Up @@ -217,10 +219,20 @@ func New(receiverCfg map[string]interface{}, pusher TracesPusher, middleware Mid
shim.receivers = append(shim.receivers, receiver)
}

shim.Service = services.NewIdleService(shim.starting, shim.stopping)
shim.Service = services.NewBasicService(shim.starting, shim.running, shim.stopping)

return shim, nil
}

func (r *receiversShim) running(ctx context.Context) error {
select {
case err := <-r.fatal:
return err
case <-ctx.Done():
return ctx.Err()
}
}

func (r *receiversShim) starting(ctx context.Context) error {
for _, receiver := range r.receivers {
err := receiver.Start(ctx, r)
Expand Down Expand Up @@ -279,6 +291,7 @@ func (r *receiversShim) ConsumeTraces(ctx context.Context, td ptrace.Traces) err
// ReportFatalError implements component.Host
func (r *receiversShim) ReportFatalError(err error) {
_ = level.Error(log.Logger).Log("msg", "fatal error reported", "err", err)
r.fatal <- err
}

// GetFactory implements component.Host
Expand Down