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Brad Fitzpatrick 21509db121 ipn/ipnlocal, all: plumb health trackers in tests I saw some panics in CI, like: 2024-05-08T04:30:25.9553518Z ## WARNING: (non-fatal) nil health.Tracker (being strict in CI): 2024-05-08T04:30:25.9554043Z goroutine 801 [running]: 2024-05-08T04:30:25.9554489Z tailscale.com/health.(Tracker).nil(0x0) 2024-05-08T04:30:25.9555086Z tailscale.com/health/health.go:185 +0x70 2024-05-08T04:30:25.9555688Z tailscale.com/health.(Tracker).SetUDP4Unbound(0x0, 0x0) 2024-05-08T04:30:25.9556373Z tailscale.com/health/health.go:532 +0x2f 2024-05-08T04:30:25.9557296Z tailscale.com/wgengine/magicsock.(Conn).bindSocket(0xc0003b4808, 0xc0003b4878, {0x1fbca53, 0x4}, 0x0) 2024-05-08T04:30:25.9558301Z tailscale.com/wgengine/magicsock/magicsock.go:2481 +0x12c5 2024-05-08T04:30:25.9559026Z tailscale.com/wgengine/magicsock.(Conn).rebind(0xc0003b4808, 0x0) 2024-05-08T04:30:25.9559874Z tailscale.com/wgengine/magicsock/magicsock.go:2510 +0x16f 2024-05-08T04:30:25.9561038Z tailscale.com/wgengine/magicsock.NewConn({0xc000063c80, 0x0, 0xc000197930, 0xc000197950, 0xc000197960, {0x0, 0x0}, 0xc000197970, 0xc000198ee0, 0x0, ...}) 2024-05-08T04:30:25.9562402Z tailscale.com/wgengine/magicsock/magicsock.go:476 +0xd5f 2024-05-08T04:30:25.9563779Z tailscale.com/wgengine.NewUserspaceEngine(0xc000063c80, {{0x22c8750, 0xc0001976b0}, 0x0, {0x22c3210, 0xc000063c80}, {0x22c31d8, 0x2d3c900}, 0x0, 0x0, ...}) 2024-05-08T04:30:25.9564982Z tailscale.com/wgengine/userspace.go:389 +0x159d 2024-05-08T04:30:25.9565529Z tailscale.com/ipn/ipnlocal.newTestBackend(0xc000358b60) 2024-05-08T04:30:25.9566086Z tailscale.com/ipn/ipnlocal/serve_test.go:675 +0x2a5 2024-05-08T04:30:25.9566612Z ta Updates #11874 Change-Id: I3432ed52d670743e532be4642f38dbd6e3763b1b Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>		5 months ago
.bencher	…
.github	scripts/installer.sh: remove unnecessary escaping in grep (#11950 )	5 months ago
appc	appc: setting AdvertiseRoutes explicitly discards app connector routes	5 months ago
atomicfile	…
chirp	…
client	web: use EditPrefs instead of passing UpdatePrefs to starting (#12040 )	5 months ago
clientupdate	clientupdate: exec systemctl instead of using dbus to restart (#11923 )	5 months ago
cmd	ipn/ipnserver: close a small race in ipnserver, ~simplify code	5 months ago
control	ipn/ipnlocal: acquire b.mu once in Start	5 months ago
derp	derp/derphttp: fix netcheck HTTPS probes	5 months ago
disco	…
docs	…
doctor	net/{interfaces,netmon}, all: merge net/interfaces package into net/netmon	5 months ago
drive	drive: actually cache results on statcache	5 months ago
envknob	envknob: ensure f is not nil before using it	7 months ago
health	health, ipn/ipnlocal: move more health warning code into health.Tracker	5 months ago
hostinfo	hostinfo: use Distro field for distinguishing Windows Server builds	6 months ago
internal/tooldeps	…
ipn	ipn/ipnlocal, all: plumb health trackers in tests	5 months ago
jsondb	…
k8s-operator	cmd/k8s-operator/deploy,k8s-operator: document that metrics are unstable (#11979 )	5 months ago
kube	cmd/containerboot,kube,ipn/store/kubestore: allow interactive login on kube, check Secret create perms, allow empty state Secret (#11326 )	5 months ago
licenses	licenses: update license notices	5 months ago
log	net/netns, net/dns/resolver, etc: make netmon required in most places	5 months ago
logpolicy	net/netns, net/dns/resolver, etc: make netmon required in most places	5 months ago
logtail	net/netns, net/dns/resolver, etc: make netmon required in most places	5 months ago
metrics	…
net	net/netcheck: do not add derps if IPv4/IPv6 is set to "none"	5 months ago
packages/deb	…
paths	…
portlist	…
posture	…
prober	net/netns, net/dns/resolver, etc: make netmon required in most places	5 months ago
proxymap	…
release	release/dist/qnap: omit .qpkg.codesigning files	5 months ago
safesocket	…
safeweb	safeweb: handle mux pattern collisions more generally (#11801 )	5 months ago
scripts	scripts/installer.sh: remove unnecessary escaping in grep (#11950 )	5 months ago
smallzstd	…
ssh/tailssh	ssh/tailssh: plumb health.Tracker in test	5 months ago
syncs	syncs: fix AtomicValue for interface kinds (#11943 )	5 months ago
tailcfg	tailcfg: bump capver for using NodeAttrUserDialUseRoutes for DNS	5 months ago
taildrop	…
tempfork	…
tka	all: use Go 1.22 range-over-int	6 months ago
tool	…
tsconst	…
tsd	health, all: remove health.Global, finish plumbing health.Tracker	5 months ago
tsnet	health, all: remove health.Global, finish plumbing health.Tracker	5 months ago
tstest	tailcfg,all: add/plumb Node.IsJailed	5 months ago
tstime	…
tsweb	tsweb: remove redundant bumpStartIfNeeded func	5 months ago
types	types/views: add AppendStrings util func	5 months ago
util	various: implement stateful firewalling on Linux (#12025 )	5 months ago
version	all: use Go 1.22 range-over-int	6 months ago
wf	…
wgengine	ipn/ipnlocal, all: plumb health trackers in tests	5 months ago
words	…
.gitattributes	…
.gitignore	ssh/tailssh: add integration test	5 months ago
.golangci.yml	…
ALPINE.txt	…
AUTHORS	…
CODEOWNERS	…
CODE_OF_CONDUCT.md	…
Dockerfile	…
Dockerfile.base	…
LICENSE	…
Makefile	ssh/tailssh: add integration test	5 months ago
PATENTS	…
README.md	…
SECURITY.md	…
VERSION.txt	…
api.md	api.md: add documentation for new split DNS endpoints (#11922 )	5 months ago
build_dist.sh	…
build_docker.sh	cmd/{k8s-nameserver,k8s-operator},k8s-operator: add a kube nameserver, make operator deploy it (#11919 )	5 months ago
flake.lock	…
flake.nix	…
go.mod	cmd/{k8s-operator,k8s-nameserver},k8s-operator: update nameserver config with records for ingress/egress proxies (#11019 )	5 months ago
go.mod.sri	…
go.sum	net/tstun: implement env var for disabling UDP GRO on Linux (#11924 )	5 months ago
go.toolchain.branch	…
go.toolchain.rev	go.toolchain.rev: update to Go 1.22.3	5 months ago
gomod_test.go	…
header.txt	…
pull-toolchain.sh	…
shell.nix	…
staticcheck.conf	…
update-flake.sh	…
version-embed.go	…
version_test.go	…

README.md

Tailscale

https://tailscale.com

Private WireGuard® networks made easy

Overview

This repository contains the majority of Tailscale's open source code. Notably, it includes the tailscaled daemon and the tailscale CLI tool. The tailscaled daemon runs on Linux, Windows, macOS, and to varying degrees on FreeBSD and OpenBSD. The Tailscale iOS and Android apps use this repo's code, but this repo doesn't contain the mobile GUI code.

Other Tailscale repos of note:

the Android app is at https://github.com/tailscale/tailscale-android
the Synology package is at https://github.com/tailscale/tailscale-synology
the QNAP package is at https://github.com/tailscale/tailscale-qpkg
the Chocolatey packaging is at https://github.com/tailscale/tailscale-chocolatey

For background on which parts of Tailscale are open source and why, see https://tailscale.com/opensource/.

Using

We serve packages for a variety of distros and platforms at https://pkgs.tailscale.com.

Other clients

The macOS, iOS, and Windows clients use the code in this repository but additionally include small GUI wrappers. The GUI wrappers on non-open source platforms are themselves not open source.

Building

We always require the latest Go release, currently Go 1.22. (While we build releases with our Go fork, its use is not required.)

go install tailscale.com/cmd/tailscale{,d}

If you're packaging Tailscale for distribution, use build_dist.sh instead, to burn commit IDs and version info into the binaries:

./build_dist.sh tailscale.com/cmd/tailscale
./build_dist.sh tailscale.com/cmd/tailscaled

If your distro has conventions that preclude the use of build_dist.sh, please do the equivalent of what it does in your distro's way, so that bug reports contain useful version information.

Bugs

Please file any issues about this code or the hosted service on the issue tracker.

Contributing

PRs welcome! But please file bugs. Commit messages should reference bugs.

We require Developer Certificate of Origin Signed-off-by lines in commits.

See git log for our commit message style. It's basically the same as Go's style.

About Us

Tailscale is primarily developed by the people at https://github.com/orgs/tailscale/people. For other contributors, see:

Legal

WireGuard is a registered trademark of Jason A. Donenfeld.