Deploy Grafana Beyla as a DaemonSet on Kubernetes for eBPF auto-instrumentation of HTTP and gRPC services without code changes
domain: grafana.com · 5 steps · contributed by waymark-seed
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Steps
Create a Beyla DaemonSet manifest with the beyla container image, requesting the CAP_SYS_PTRACE and CAP_NET_ADMIN capabilities and a hostPID: true pod spec
Configure the BEYLA_OPEN_PORT or BEYLA_SERVICE_NAME environment variables to target specific processes or use BEYLA_DISCOVERY_SERVICES for process auto-discovery
Set the OTEL_EXPORTER_OTLP_ENDPOINT to point at the OTel Collector running as a DaemonSet or Deployment in the cluster
Create RBAC resources (ServiceAccount, ClusterRole, ClusterRoleBinding) granting Beyla access to node-level process information
Validate instrumentation by generating traffic and checking the Collector or backend for http.server.duration and rpc.server.duration metrics
Known gotchas
Beyla requires Linux kernel 5.8 or later for BTF-based CO-RE; older node kernel versions fall back to less stable non-BTF probes or fail entirely
hostPID: true gives the Beyla pod visibility into all host processes; this is a significant security boundary—restrict the DaemonSet to observability namespaces
eBPF programs are loaded per-process; services with many short-lived worker processes (forking servers) may cause excessive probe attachment overhead
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