diff options
Diffstat (limited to 'vendor/go.opentelemetry.io/otel/internal/global/trace.go')
| -rw-r--r-- | vendor/go.opentelemetry.io/otel/internal/global/trace.go | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/vendor/go.opentelemetry.io/otel/internal/global/trace.go b/vendor/go.opentelemetry.io/otel/internal/global/trace.go index e31f442b4..8982aa0dc 100644 --- a/vendor/go.opentelemetry.io/otel/internal/global/trace.go +++ b/vendor/go.opentelemetry.io/otel/internal/global/trace.go @@ -25,6 +25,7 @@ import ( "sync" "sync/atomic" + "go.opentelemetry.io/auto/sdk" "go.opentelemetry.io/otel/attribute" "go.opentelemetry.io/otel/codes" "go.opentelemetry.io/otel/trace" @@ -87,6 +88,7 @@ func (p *tracerProvider) Tracer(name string, opts ...trace.TracerOption) trace.T name: name, version: c.InstrumentationVersion(), schema: c.SchemaURL(), + attrs: c.InstrumentationAttributes(), } if p.tracers == nil { @@ -102,7 +104,12 @@ func (p *tracerProvider) Tracer(name string, opts ...trace.TracerOption) trace.T return t } -type il struct{ name, version, schema string } +type il struct { + name string + version string + schema string + attrs attribute.Set +} // tracer is a placeholder for a trace.Tracer. // @@ -139,6 +146,30 @@ func (t *tracer) Start(ctx context.Context, name string, opts ...trace.SpanStart return delegate.(trace.Tracer).Start(ctx, name, opts...) } + return t.newSpan(ctx, autoInstEnabled, name, opts) +} + +// autoInstEnabled determines if the auto-instrumentation SDK span is returned +// from the tracer when not backed by a delegate and auto-instrumentation has +// attached to this process. +// +// The auto-instrumentation is expected to overwrite this value to true when it +// attaches. By default, this will point to false and mean a tracer will return +// a nonRecordingSpan by default. +var autoInstEnabled = new(bool) + +func (t *tracer) newSpan(ctx context.Context, autoSpan *bool, name string, opts []trace.SpanStartOption) (context.Context, trace.Span) { + // autoInstEnabled is passed to newSpan via the autoSpan parameter. This is + // so the auto-instrumentation can define a uprobe for (*t).newSpan and be + // provided with the address of the bool autoInstEnabled points to. It + // needs to be a parameter so that pointer can be reliably determined, it + // should not be read from the global. + + if *autoSpan { + tracer := sdk.TracerProvider().Tracer(t.name, t.opts...) + return tracer.Start(ctx, name, opts...) + } + s := nonRecordingSpan{sc: trace.SpanContextFromContext(ctx), tracer: t} ctx = trace.ContextWithSpan(ctx, s) return ctx, s |