unistack-org/micro-store-redis
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unify span names

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Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
This commit is contained in:
Василий Толстов 2024-07-05 08:57:29 +03:00
parent aed9512b93
commit 44d8169631
1 changed files with 21 additions and 51 deletions
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62
tracer.go
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@ -16,23 +16,20 @@ func setTracing(rdb redis.UniversalClient, tr tracer.Tracer, opts ...tracer.Span
case *redis.Client:
opt := rdb.Options()
connString := formatDBConnString(opt.Network, opt.Addr)
opts = addServerAttributes(opts, opt.Addr)
rdb.AddHook(newTracingHook(connString, tr, opts...))
rdb.AddHook(newTracingHook(connString, tr))
case *redis.ClusterClient:
rdb.AddHook(newTracingHook("", tr, opts...))
rdb.OnNewNode(func(rdb *redis.Client) {
opt := rdb.Options()
opts = addServerAttributes(opts, opt.Addr)
connString := formatDBConnString(opt.Network, opt.Addr)
rdb.AddHook(newTracingHook(connString, tr, opts...))
rdb.AddHook(newTracingHook(connString, tr))
})
case *redis.Ring:
rdb.AddHook(newTracingHook("", tr, opts...))
rdb.OnNewNode(func(rdb *redis.Client) {
opt := rdb.Options()
opts = addServerAttributes(opts, opt.Addr)
connString := formatDBConnString(opt.Network, opt.Addr)
rdb.AddHook(newTracingHook(connString, tr, opts...))
rdb.AddHook(newTracingHook(connString, tr))
})
}
}
@ -58,15 +55,13 @@ func newTracingHook(connString string, tr tracer.Tracer, opts ...tracer.SpanOpti
func (h *tracingHook) DialHook(hook redis.DialHook) redis.DialHook {
return func(ctx context.Context, network, addr string) (net.Conn, error) {
ctx, span := h.tr.Start(ctx, "redis.dial", h.opts...)
sctx, span := h.tr.Start(ctx, "redis.dial", h.opts...)
defer span.Finish()
conn, err := hook(ctx, network, addr)
if err != nil {
conn, err := hook(sctx, network, addr)
recordError(span, err)
return nil, err
}
return conn, nil
return conn, err
}
}
@ -74,41 +69,37 @@ func (h *tracingHook) ProcessHook(hook redis.ProcessHook) redis.ProcessHook {
return func(ctx context.Context, cmd redis.Cmder) error {
cmdString := rediscmd.CmdString(cmd)
ctx, span := h.tr.Start(ctx, cmd.FullName(), append(h.opts, tracer.WithSpanLabels("db.statement", cmdString))...)
sctx, span := h.tr.Start(ctx, "redis.process", append(h.opts, tracer.WithSpanLabels("db.statement", cmdString))...)
defer span.Finish()
if err := hook(ctx, cmd); err != nil {
err := hook(sctx, cmd)
recordError(span, err)
return err
}
return nil
}
}
func (h *tracingHook) ProcessPipelineHook(
hook redis.ProcessPipelineHook,
) redis.ProcessPipelineHook {
func (h *tracingHook) ProcessPipelineHook(hook redis.ProcessPipelineHook) redis.ProcessPipelineHook {
return func(ctx context.Context, cmds []redis.Cmder) error {
summary, cmdsString := rediscmd.CmdsString(cmds)
_, cmdsString := rediscmd.CmdsString(cmds)
opts := append(h.opts, tracer.WithSpanLabels(
"db.redis.num_cmd", strconv.Itoa(len(cmds)),
"db.statement", cmdsString,
))
ctx, span := h.tr.Start(ctx, "redis.pipeline "+summary, opts...)
sctx, span := h.tr.Start(ctx, "redis.process_pipeline", opts...)
defer span.Finish()
if err := hook(ctx, cmds); err != nil {
err := hook(sctx, cmds)
recordError(span, err)
return err
}
return nil
}
}
func recordError(span tracer.Span, err error) {
if err != redis.Nil {
if err != nil && err != redis.Nil {
span.SetStatus(tracer.SpanStatusError, err.Error())
}
}
@ -119,24 +110,3 @@ func formatDBConnString(network, addr string) string {
}
return fmt.Sprintf("%s://%s", network, addr)
}
// Database span attributes semantic conventions recommended server address and port
// https://opentelemetry.io/docs/specs/semconv/database/database-spans/#connection-level-attributes
func addServerAttributes(opts []tracer.SpanOption, addr string) []tracer.SpanOption {
host, portString, err := net.SplitHostPort(addr)
if err != nil {
return opts
}
opts = append(opts, tracer.WithSpanLabels("server.address", host))
// Parse the port string to an integer
port, err := strconv.Atoi(portString)
if err != nil {
return opts
}
opts = append(opts, tracer.WithSpanLabels("server.port", port))
return opts
}