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EV-6388: L7 logging through Istio Waypoint Proxy#4769

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EV-6388: L7 logging through Istio Waypoint Proxy#4769
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@alexh-tigera alexh-tigera commented May 1, 2026

Adds L7 logging for every Gateway that uses the istio-waypoint GatewayClass. The istio controller now creates three static resources in the Istio root namespace (calico-system) and Istio's deployment controller applies them as class-level defaults to all waypoints cluster-wide:

  • tigera-waypoint-l7-defaults ConfigMap injects the l7-collector sidecar (with --mode=waypoint on the existing ComponentL7Collector image) and the shared emptyDir + Felix CSI volumes into every waypoint pod.
  • tigera-waypoint-l7-als EnvoyFilter enables gRPC ALS on main_internal.
  • tigera-waypoint-l7-srcport EnvoyFilter captures the Forwarded header on connect_terminate and propagates the client IP as filter state.

A small typed EnvoyFilter struct is introduced so the component handler (which casts to metav1.ObjectMetaAccessor) can manage the resources without taking on the networking.istio.io client-go dependency.

Description

Release Note

TBD

For PR author

  • Tests for change.
  • If changing pkg/apis/, run make gen-files
  • If changing versions, run make gen-versions

For PR reviewers

A note for code reviewers - all pull requests must have the following:

  • Milestone set according to targeted release.
  • Appropriate labels:
    • kind/bug if this is a bugfix.
    • kind/enhancement if this is a a new feature.
    • enterprise if this PR applies to Calico Enterprise only.

@marvin-tigera marvin-tigera added this to the v1.43.0 milestone May 1, 2026
@alexh-tigera alexh-tigera force-pushed the EV-6388-capture-l7-logs-through-waypoint-proxy branch from 96823e4 to 7514ec0 Compare May 1, 2026 20:16
Adds L7 logging for Gateways using the istio-waypoint GatewayClass. The
istio controller now creates three static resources in the Istio root
namespace (calico-system) and Istio's deployment controller applies them
as class-level defaults to all waypoints cluster-wide:

- tigera-waypoint-l7-defaults ConfigMap injects the l7-collector sidecar
  (with --mode=waypoint on the existing ComponentL7Collector image) and
  the shared emptyDir + Felix CSI volumes into every waypoint pod.
- tigera-waypoint-l7-als EnvoyFilter enables gRPC ALS on main_internal.
- tigera-waypoint-l7-srcport EnvoyFilter captures the Forwarded header on
  connect_terminate and propagates the client IP as filter state.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
@alexh-tigera alexh-tigera force-pushed the EV-6388-capture-l7-logs-through-waypoint-proxy branch from 739a32a to 17c75c9 Compare May 29, 2026 16:01
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2 participants