metadata collector is unneeded for the collector controller

internal/controller/config.go

@@ -26,8 +26,6 @@ type Config struct {
 	Tracers                string
 	VerboseMode            bool
 	Version                bool
-	// HostName is the name of the host.
-	HostName string
 
 	Reporter reporter.Reporter
 

internal/controller/controller.go

@@ -9,8 +9,6 @@ import (
 	"github.com/tklauser/numcpus"
 
 	"go.opentelemetry.io/ebpf-profiler/host"
-	"go.opentelemetry.io/ebpf-profiler/hostmetadata"
-	"go.opentelemetry.io/ebpf-profiler/internal/helpers"
 	"go.opentelemetry.io/ebpf-profiler/metrics"
 	"go.opentelemetry.io/ebpf-profiler/reporter"
 	"go.opentelemetry.io/ebpf-profiler/times"
@@ -68,29 +66,13 @@ func (c *Controller) Start(ctx context.Context) error {
 		return fmt.Errorf("failed to parse the included tracers: %w", err)
 	}
 
-	metadataCollector := hostmetadata.NewCollector(c.config.CollAgentAddr)
-	metadataCollector.AddCustomData("os.type", "linux")
-
-	kernelVersion, err := helpers.GetKernelVersion()
-	if err != nil {
-		return fmt.Errorf("failed to get Linux kernel version: %w", err)
-	}
-	// OTel semantic introduced in https://github.com/open-telemetry/semantic-conventions/issues/66
-	metadataCollector.AddCustomData("os.kernel.release", kernelVersion)
-
-	metadataCollector.AddCustomData("host.name", c.config.HostName)
-	metadataCollector.AddCustomData("host.ip", c.config.IPAddress)
-
 	err = c.reporter.Start(ctx)
 	if err != nil {
 		return fmt.Errorf("failed to start reporter: %w", err)
 	}
 
 	metrics.SetReporter(c.reporter)
 
-	// Now that set the initial host metadata, start a goroutine to keep sending updates regularly.
-	metadataCollector.StartMetadataCollection(ctx, c.reporter)
-
 	// Load the eBPF code and map definitions
 	trc, err := tracer.NewTracer(ctx, &tracer.Config{
 		Reporter:               c.reporter,