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Adrian Dewhurst 3bf2bddbb5 ipn/ipnlocal: improve testability of random node selection ... In order to test the sticky last suggestion code, a test was written for LocalBackend.SuggestExitNode but it contains a random number generator which makes writing comprehensive tests very difficult. This doesn't change how the last suggestion works, but it adds some infrastructure to make that easier in a later PR. This adds func parameters for the two randomized parts: breaking ties between DERP regions and breaking ties between nodes. This way tests can validate the entire list of tied options, rather than expecting a particular outcome given a particular random seed. As a result of this, the global random number generator can be used rather than seeding a local one each time. In order to see the tied nodes for the location based (i.e. Mullvad) case, pickWeighted needed to return a slice instead of a single arbitrary option, so there is a small change in how that works. Updates tailscale/corp#19681 Change-Id: I83c48a752abdec0f59c58ccfd8bfb3f3f17d0ea8 Signed-off-by: Adrian Dewhurst <adrian@tailscale.com>		2 years ago
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testdata	ipn/ipnlocal: fix the path for writing cert files (#7203)	3 years ago
breaktcp_darwin.go	cmd/tailscale: add debug commands to break connections	3 years ago
breaktcp_linux.go	cmd/tailscale: add debug commands to break connections	3 years ago
c2n.go	ipn/ipnlocal: support c2n updates with old systemd versions (#12296)	2 years ago
c2n_pprof.go	ipn/ipnlocal: add c2n /debug/pprof/allocs endpoint	2 years ago
c2n_test.go	util/cmpx: delete now that we're using Go 1.22	2 years ago
cert.go	ipn/ipnlocal: remove ancient transition mechanism for https certs	2 years ago
cert_js.go	ipn/ipnlocal: add c2n method to check on TLS cert fetch status	2 years ago
cert_test.go	all: use Go 1.21 slices, maps instead of x/exp/{slices,maps}	3 years ago
dnsconfig_test.go	util/cmpx: delete now that we're using Go 1.22	2 years ago
drive.go	ipn/ipnlocal: reuse transport across Taildrive remotes	2 years ago
expiry.go	ssh/tailssh: use control server time instead of local time	2 years ago
expiry_test.go	types/netmap, all: make NetworkMap.SelfNode a tailcfg.NodeView	3 years ago
local.go	ipn/ipnlocal: improve testability of random node selection	2 years ago
local_test.go	ipn/ipnlocal: improve testability of random node selection	2 years ago
loglines_test.go	ipn/ipnlocal, all: plumb health trackers in tests	2 years ago
network-lock.go	ipn/ipnlocal: discard node keys that have been rotated out	2 years ago
network-lock_test.go	ipn/ipnlocal: discard node keys that have been rotated out	2 years ago
peerapi.go	net/{interfaces,netmon}, all: merge net/interfaces package into net/netmon	2 years ago
peerapi_h2c.go	all: update copyright and license headers	3 years ago
peerapi_macios_ext.go	net/netmon, add: add netmon.State type alias of interfaces.State	2 years ago
peerapi_test.go	ipn/ipnlocal, all: plumb health trackers in tests	2 years ago
profiles.go	various: disable stateful filtering by default (#12197)	2 years ago
profiles_notwindows.go	ipn/ipnlocal: fix profile duplication	3 years ago
profiles_test.go	various: disable stateful filtering by default (#12197)	2 years ago
profiles_windows.go	ipn/ipnlocal: set default NoStatefulFiltering in ipn.NewPrefs (#12031)	2 years ago
serve.go	all: use Go 1.22 range-over-int	2 years ago
serve_test.go	ipn/ipnlocal, all: plumb health trackers in tests	2 years ago
ssh.go	ipnlocal: log failure to get ssh host keys	2 years ago
ssh_stub.go	ipnlocal: log failure to get ssh host keys	2 years ago
ssh_test.go	ipn/ipnlocal: plumb health.Tracker into profileManager constructor	2 years ago
state_test.go	control/controlclient: delete unused Client.Login Oauth2Token field	2 years ago
taildrop.go	ipn/localapi: add support for multipart POST to file-put	2 years ago
web_client.go	all: remove LenIter, use Go 1.22 range-over-int instead	2 years ago
web_client_stub.go	ipn/ipnlocal: add mutex to webClient struct	2 years ago