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Christine Dodrill 6b234323a0 tstest/integration/vms: fix flake when testing (#2145 ) Occasionally the test framework would fail with a timeout due to a virtual machine not phoning home in time. This seems to be happen whenever qemu can't bind the VNC or SSH ports for a virtual machine. This was fixed by taking the following actions: 1. Don't listen on VNC unless the `-use-vnc` flag is passed, this removes the need to listen on VNC at all in most cases. The option to use VNC is still left in for debugging virtual machines, but removing this makes it easier to deal with (VNC uses this odd system of "displays" that are mapped to ports above 5900, and qemu doesn't offer a decent way to use a normal port number, so we just disable VNC by default as a compromise). 2. Use a (hopefully) inactive port for SSH. In an ideal world I'd just have the VM's SSH port be exposed via a Unix socket, however the QEMU documentation doesn't really say if you can do this or not. While I do more research, this stopgap will have to make do. 3. Strictly tie more VM resource lifetimes to the tests themselves. Previously the disk image layers for virtual machines were only cleaned up at the end of the test and existed in the parent test-scoped temporary folder. This can make your tmpfs run out of space, which is not ideal. This should minimize the use of temporary storage as much as I know how to. 4. Strictly tie the qemu process lifetime to the lifetime of the test using testing.T#Cleanup. Previously it used a defer statement to clean up the qemu process, however if the tests timed out this defer was not run. This left around an orphaned qemu process that had to be killed manually. This change ensures that all qemu processes exit when their relevant tests finish. Signed-off-by: Christine Dodrill <xe@tailscale.com>		3 years ago
.github	.github/workflows: add integration test with a custom runner (#2044 )	4 years ago
atomicfile	atomicfile: don't Chmod on windows	4 years ago
client/tailscale	client/tailscale: document SetDNS more	4 years ago
cmd	derp,cmd/derper: allow server to verify clients	3 years ago
control/controlclient	hostinfo: add hostinfo package, move stuff out of controlclient	3 years ago
derp	derp,cmd/derper: allow server to verify clients	3 years ago
disco	all: adapt to opaque netaddr types	4 years ago
health	wgengine/magicsock: always run ReceiveIPv6	4 years ago
hostinfo	hostinfo: add hostinfo package, move stuff out of controlclient	3 years ago
internal	internal/deephash: remove remaining type special cases	4 years ago
ipn	net/dns{,/resolver}: refactor DNS forwarder, send out of right link on macOS/iOS	3 years ago
log	log/filelogger: move our Windows disk file writing+rotation package here	4 years ago
logpolicy	logpolicy: set log target on windows based on a registry key (#1542 )	4 years ago
logtail	staticcheck.conf: turn off noisy lint errors	3 years ago
metrics	metrics: add LabelMap.GetFloat	4 years ago
net	net/dns: remove ref to managerImpl	3 years ago
packages/deb	packages/deb: add package to extract metadata from .deb files.	4 years ago
paths	cmd/tailscale/web: restrict web access to synology admins.	4 years ago
portlist	staticcheck.conf: turn off noisy lint errors	3 years ago
safesocket	safesocket: delete unused function	4 years ago
scripts	scripts: fix up installer script comments.	4 years ago
smallzstd	smallzstd: new package that constructs zstd small encoders/decoders.	4 years ago
syncs	syncs: add AtomicUint32	3 years ago
tailcfg	tailcfg/derpmap: add flag to omit ts's derps	3 years ago
tempfork	tempfork/wireguard-windows/firewall: add.	4 years ago
tsconst	net/netns: add windows support.	4 years ago
tsnet	all: adapt to opaque netaddr types	4 years ago
tstest	tstest/integration/vms: fix flake when testing (#2145 )	3 years ago
tstime	tstime: add RandomDurationBetween helper	4 years ago
tsweb	tsweb: replace NewMux with a more flexible DebugHandler.	3 years ago
types	types/logger: fix deadlock RateLimitedFn reentrancy	3 years ago
util	cmd/tailscale/web: add support for QNAP	3 years ago
version	cmd/tailscale/web: add support for QNAP	3 years ago
wf	wf: loopback condition should use MatchTypeFlagsAllSet.	3 years ago
wgengine	wgengine/filter: add a debug flag for filter logs (#2241 )	3 years ago
.gitattributes	.gitattributes: add a smudge filter for go.mod.	5 years ago
.gitignore	Revert "cmd/tailscaled: split package main into main shim + package"	4 years ago
AUTHORS	Move Linux client & common packages into a public repo.	5 years ago
CODE_OF_CONDUCT.md	Add a code of conduct.	5 years ago
Dockerfile	build_docker.sh, Dockerfile: fix bug with shell quoting	4 years ago
LICENSE	LICENSE: Reformat for Github	4 years ago
Makefile	wgengine/netstack: fix 32-bit build broken from prior commit	4 years ago
PATENTS	Move Linux client & common packages into a public repo.	5 years ago
README.md	Switch to Go 1.16.	4 years ago
SECURITY.md	Add a SECURITY.md for vulnerability reports.	5 years ago
VERSION.txt	VERSION.txt: this is v1.11.0.	3 years ago
api.md	api.md: clarify response behaviour for ACL POST endpoint	4 years ago
build_dist.sh	build_dist.sh: add a command to output the shell vars.	4 years ago
build_docker.sh	build_docker.sh, Dockerfile: fix bug with shell quoting	4 years ago
go.mod	go.mod: update netstack	3 years ago
go.sum	go.mod: update netstack	3 years ago
shell.nix	add nix-shell boilerplate (#1028 )	4 years ago
staticcheck.conf	staticcheck.conf: remove unnecessary warning	3 years ago

README.md

Tailscale

https://tailscale.com

Private WireGuard® networks made easy

Overview

This repository contains all the open source Tailscale client code and the tailscaled daemon and tailscale CLI tool. The tailscaled daemon runs primarily on Linux; it also works to varying degrees on FreeBSD, OpenBSD, Darwin, and Windows.

The Android app is at https://github.com/tailscale/tailscale-android

Using

We serve packages for a variety of distros 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 that are not open source.

Building

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.

We only guarantee to support the latest Go release and any Go beta or release candidate builds (currently Go 1.16) in module mode. It might work in earlier Go versions or in GOPATH mode, but we're making no effort to keep those working.

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.

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.