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Add trace ID to log lines emitted during rule evaluation

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Signed-off-by: Charles Korn <charles.korn@grafana.com>
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Charles Korn 2023-10-12 14:28:29 +11:00
parent fc132a4557
commit 667a1efb04
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1 changed files with 4 additions and 0 deletions
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4
rules/group.go
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@ -442,6 +442,10 @@ func (g *Group) Eval(ctx context.Context, ts time.Time) {
rule.SetEvaluationTimestamp(t) rule.SetEvaluationTimestamp(t)
}(time.Now()) }(time.Now())
if sp.SpanContext().IsSampled() && sp.SpanContext().HasTraceID() {
logger = log.WithPrefix(g.logger, "traceID", sp.SpanContext().TraceID())
}
g.metrics.EvalTotal.WithLabelValues(GroupKey(g.File(), g.Name())).Inc() g.metrics.EvalTotal.WithLabelValues(GroupKey(g.File(), g.Name())).Inc()
vector, err := rule.Eval(ctx, ts, g.opts.QueryFunc, g.opts.ExternalURL, g.Limit()) vector, err := rule.Eval(ctx, ts, g.opts.QueryFunc, g.opts.ExternalURL, g.Limit())