diff --git a/scrape/scrape.go b/scrape/scrape.go index 5447870cc4..09e7aae360 100644 --- a/scrape/scrape.go +++ b/scrape/scrape.go @@ -298,12 +298,8 @@ func newScrapePool(cfg *config.ScrapeConfig, app storage.Appendable, jitterSeed } opts.target.SetMetadataStore(cache) - // Store the cache in the context. - loopCtx := ContextWithMetricMetadataStore(ctx, cache) - loopCtx = ContextWithTarget(loopCtx, opts.target) - return newScrapeLoop( - loopCtx, + ctx, opts.scraper, log.With(logger, "target", opts.target), buffers, @@ -1795,31 +1791,3 @@ func reusableCache(r, l *config.ScrapeConfig) bool { } return reflect.DeepEqual(zeroConfig(r), zeroConfig(l)) } - -// CtxKey is a dedicated type for keys of context-embedded values propagated -// with the scrape context. -type ctxKey int - -// Valid CtxKey values. -const ( - ctxKeyMetadata ctxKey = iota + 1 - ctxKeyTarget -) - -func ContextWithMetricMetadataStore(ctx context.Context, s MetricMetadataStore) context.Context { - return context.WithValue(ctx, ctxKeyMetadata, s) -} - -func MetricMetadataStoreFromContext(ctx context.Context) (MetricMetadataStore, bool) { - s, ok := ctx.Value(ctxKeyMetadata).(MetricMetadataStore) - return s, ok -} - -func ContextWithTarget(ctx context.Context, t *Target) context.Context { - return context.WithValue(ctx, ctxKeyTarget, t) -} - -func TargetFromContext(ctx context.Context) (*Target, bool) { - t, ok := ctx.Value(ctxKeyTarget).(*Target) - return t, ok -}