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tailscale/tsweb
Anton Tolchanov 11e6247d2a tsweb: expose native Prometheus metrics in /debug/varz
The handler will expose built-in process and Go metrics by default,
which currently duplicate some of the expvar-proxied metrics
(`goroutines` vs `go_goroutines`, `memstats` vs `go_memstats`), but as
long as their names are different, Prometheus server will just scrape
both.

This will change /debug/varz behaviour for most tsweb binaries, but
notably not for control, which configures a `tsweb.VarzHandler`
[explicitly](a5b5d5167f/cmd/tailcontrol/tailcontrol.go (L779))

Updates https://github.com/tailscale/corp/issues/10205

Signed-off-by: Anton Tolchanov <anton@tailscale.com>
1 year ago
..
debug.go tsweb: expose native Prometheus metrics in /debug/varz 1 year ago
debug_test.go all: update copyright and license headers 1 year ago
log.go all: update copyright and license headers 1 year ago
tsweb.go tsweb: expose native Prometheus metrics in /debug/varz 1 year ago
tsweb_test.go all: use tstest.Replace more 1 year ago