We already aren't allowing these headers to come back inside in requests:
https://gerrit.wikimedia.org/g/operations/puppet/+/90d5ccf413c222f724d3869b941a7c39c32828d2/modules/varnish/templates/wikimedia-frontend.vcl.erb#385
But we are emitting traceparent on all mw-web responses now, and there's no reason to do so; it isn't useful.
| Status | Subtype | Assigned | Task | ||
|---|---|---|---|---|---|
| Open | None | T340551 distributed tracing epic | |||
| Open | None | T320549 distributed tracing v0 [minimum viable] | |||
| Resolved | CDanis | T368428 traceparent response headers are being emitted externally |
Change #1049603 had a related patch set uploaded (by CDanis; author: CDanis):
[operations/puppet@production] haproxy: drop traceparent/tracestate response headers
Change #1049604 had a related patch set uploaded (by CDanis; author: CDanis):
[operations/puppet@production] ats: drop traceparent/tracestate response headers
Change #1049603 merged by CDanis:
[operations/puppet@production] haproxy: drop traceparent/tracestate response headers
Change #1049604 merged by CDanis:
[operations/puppet@production] ats: drop traceparent/tracestate response headers
Change #1049609 had a related patch set uploaded (by CDanis; author: CDanis):
[operations/puppet@production] ats: drop traceparent/tracestate response headers