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tailscale/control/controlclient
Brad Fitzpatrick e6b84f2159 all: make client use server-provided DERP map, add DERP region support
Instead of hard-coding the DERP map (except for cmd/tailscale netcheck
for now), get it from the control server at runtime.

And make the DERP map support multiple nodes per region with clients
picking the first one that's available. (The server will balance the
order presented to clients for load balancing)

This deletes the stunner package, merging it into the netcheck package
instead, to minimize all the config hooks that would've been
required.

Also fix some test flakes & races.

Fixes #387 (Don't hard-code the DERP map)
Updates #388 (Add DERP region support)
Fixes #399 (wgengine: flaky tests)

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
5 years ago
..
auto.go Add tstest.PanicOnLog(), and fix various problems detected by this. 5 years ago
auto_test.go controlclient tests: fix more memory leaks and add resource checking. 5 years ago
controlclient_test.go types/structs: add structs.Incomparable annotation, use it where applicable 5 years ago
direct.go all: make client use server-provided DERP map, add DERP region support 5 years ago
direct_test.go controlclient tests: fix more memory leaks and add resource checking. 5 years ago
filter.go Appease the "missing copyright header" check. 5 years ago
netmap.go all: make client use server-provided DERP map, add DERP region support 5 years ago
persist_test.go ipn: implement Prefs.Equals efficiently. 5 years ago