mirror of
https://github.com/ceph/ceph-csi.git
synced 2025-03-09 00:49:30 +00:00
f87d06ed85
Several packages are only used while running the e2e suite. These packages are less important to update, as the they can not influence the final executable that is part of the Ceph-CSI container-image. By moving these dependencies out of the main Ceph-CSI go.mod, it is easier to identify if a reported CVE affects Ceph-CSI, or only the testing (like most of the Kubernetes CVEs). Signed-off-by: Niels de Vos <ndevos@ibm.com>
125 lines
2.9 KiB
Go
125 lines
2.9 KiB
Go
// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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package sdk
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import (
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"context"
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"time"
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"go.opentelemetry.io/otel/trace"
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"go.opentelemetry.io/otel/trace/noop"
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"go.opentelemetry.io/auto/sdk/internal/telemetry"
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)
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type tracer struct {
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noop.Tracer
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name, schemaURL, version string
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}
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var _ trace.Tracer = tracer{}
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func (t tracer) Start(ctx context.Context, name string, opts ...trace.SpanStartOption) (context.Context, trace.Span) {
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var psc trace.SpanContext
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sampled := true
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span := new(span)
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// Ask eBPF for sampling decision and span context info.
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t.start(ctx, span, &psc, &sampled, &span.spanContext)
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span.sampled.Store(sampled)
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ctx = trace.ContextWithSpan(ctx, span)
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if sampled {
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// Only build traces if sampled.
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cfg := trace.NewSpanStartConfig(opts...)
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span.traces, span.span = t.traces(name, cfg, span.spanContext, psc)
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}
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return ctx, span
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}
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// Expected to be implemented in eBPF.
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//
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//go:noinline
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func (t *tracer) start(
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ctx context.Context,
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spanPtr *span,
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psc *trace.SpanContext,
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sampled *bool,
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sc *trace.SpanContext,
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) {
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start(ctx, spanPtr, psc, sampled, sc)
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}
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// start is used for testing.
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var start = func(context.Context, *span, *trace.SpanContext, *bool, *trace.SpanContext) {}
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func (t tracer) traces(name string, cfg trace.SpanConfig, sc, psc trace.SpanContext) (*telemetry.Traces, *telemetry.Span) {
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span := &telemetry.Span{
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TraceID: telemetry.TraceID(sc.TraceID()),
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SpanID: telemetry.SpanID(sc.SpanID()),
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Flags: uint32(sc.TraceFlags()),
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TraceState: sc.TraceState().String(),
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ParentSpanID: telemetry.SpanID(psc.SpanID()),
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Name: name,
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Kind: spanKind(cfg.SpanKind()),
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}
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span.Attrs, span.DroppedAttrs = convCappedAttrs(maxSpan.Attrs, cfg.Attributes())
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links := cfg.Links()
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if limit := maxSpan.Links; limit == 0 {
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span.DroppedLinks = uint32(len(links))
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} else {
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if limit > 0 {
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n := max(len(links)-limit, 0)
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span.DroppedLinks = uint32(n)
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links = links[n:]
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}
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span.Links = convLinks(links)
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}
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if t := cfg.Timestamp(); !t.IsZero() {
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span.StartTime = cfg.Timestamp()
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} else {
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span.StartTime = time.Now()
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}
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return &telemetry.Traces{
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ResourceSpans: []*telemetry.ResourceSpans{
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{
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ScopeSpans: []*telemetry.ScopeSpans{
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{
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Scope: &telemetry.Scope{
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Name: t.name,
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Version: t.version,
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},
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Spans: []*telemetry.Span{span},
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SchemaURL: t.schemaURL,
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},
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},
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},
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},
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}, span
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}
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func spanKind(kind trace.SpanKind) telemetry.SpanKind {
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switch kind {
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case trace.SpanKindInternal:
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return telemetry.SpanKindInternal
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case trace.SpanKindServer:
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return telemetry.SpanKindServer
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case trace.SpanKindClient:
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return telemetry.SpanKindClient
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case trace.SpanKindProducer:
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return telemetry.SpanKindProducer
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case trace.SpanKindConsumer:
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return telemetry.SpanKindConsumer
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}
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return telemetry.SpanKind(0) // undefined.
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}
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