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This file was never truly necessary and has never actually been used in
the history of Tailscale's open source releases.
A Brief History of AUTHORS files
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The AUTHORS file was a pattern developed at Google, originally for
Chromium, then adopted by Go and a bunch of other projects. The problem
was that Chromium originally had a copyright line only recognizing
Google as the copyright holder. Because Google (and most open source
projects) do not require copyright assignemnt for contributions, each
contributor maintains their copyright. Some large corporate contributors
then tried to add their own name to the copyright line in the LICENSE
file or in file headers. This quickly becomes unwieldy, and puts a
tremendous burden on anyone building on top of Chromium, since the
license requires that they keep all copyright lines intact.
The compromise was to create an AUTHORS file that would list all of the
copyright holders. The LICENSE file and source file headers would then
include that list by reference, listing the copyright holder as "The
Chromium Authors".
This also become cumbersome to simply keep the file up to date with a
high rate of new contributors. Plus it's not always obvious who the
copyright holder is. Sometimes it is the individual making the
contribution, but many times it may be their employer. There is no way
for the proejct maintainer to know.
Eventually, Google changed their policy to no longer recommend trying to
keep the AUTHORS file up to date proactively, and instead to only add to
it when requested: https://opensource.google/docs/releasing/authors.
They are also clear that:
> Adding contributors to the AUTHORS file is entirely within the
> project's discretion and has no implications for copyright ownership.
It was primarily added to appease a small number of large contributors
that insisted that they be recognized as copyright holders (which was
entirely their right to do). But it's not truly necessary, and not even
the most accurate way of identifying contributors and/or copyright
holders.
In practice, we've never added anyone to our AUTHORS file. It only lists
Tailscale, so it's not really serving any purpose. It also causes
confusion because Tailscalars put the "Tailscale Inc & AUTHORS" header
in other open source repos which don't actually have an AUTHORS file, so
it's ambiguous what that means.
Instead, we just acknowledge that the contributors to Tailscale (whoever
they are) are copyright holders for their individual contributions. We
also have the benefit of using the DCO (developercertificate.org) which
provides some additional certification of their right to make the
contribution.
The source file changes were purely mechanical with:
git ls-files | xargs sed -i -e 's/\(Tailscale Inc &\) AUTHORS/\1 contributors/g'
Updates #cleanup
Change-Id: Ia101a4a3005adb9118051b3416f5a64a4a45987d
Signed-off-by: Will Norris <will@tailscale.com>
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Adding both user and client metrics for peer relay forwarded bytes and
packets, and the total endpoints gauge.
User metrics:
tailscaled_peer_relay_forwarded_packets_total{transport_in, transport_out}
tailscaled_peer_relay_forwarded_bytes_total{transport_in, transport_out}
tailscaled_peer_relay_endpoints_total{}
Where the transport labels can be of "udp4" or "udp6".
Client metrics:
udprelay_forwarded_(packets|bytes)_udp(4|6)_udp(4|6)
udprelay_endpoints
RELNOTE: Expose tailscaled metrics for peer relay.
Updates tailscale/corp#30820
Change-Id: I1a905d15bdc5ee84e28017e0b93210e2d9660259
Signed-off-by: Alex Valiushko <alexvaliushko@tailscale.com>
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In preparation for exposing its configuration via ipn.ConfigVAlpha,
change {Masked}Prefs.RelayServerPort from *int to *uint16. This takes a
defensive stance against invalid inputs at JSON decode time.
'tailscale set --relay-server-port' is currently the only input to this
pref, and has always sanitized input to fit within a uint16.
Updates tailscale/corp#34591
Signed-off-by: Jordan Whited <jordan@tailscale.com>
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flag
Updates tailscale/corp#31489
Updates #17791
Signed-off-by: Jordan Whited <jordan@tailscale.com>
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Updates #17830
Signed-off-by: Jordan Whited <jordan@tailscale.com>
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Updates #17852
Change-Id: I477340fb8e40686870e981ade11cd61597c34a20
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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Only used in tests for now.
Updates tailscale/corp#31489
Signed-off-by: Jordan Whited <jordan@tailscale.com>
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Updates #17894
Signed-off-by: Jordan Whited <jordan@tailscale.com>
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This commit replaces usage of local.Client in net/udprelay with DERPMap
plumbing over the eventbus. This has been a longstanding TODO. This work
was also accelerated by a memory leak in net/http when using
local.Client over long periods of time. So, this commit also addresses
said leak.
Updates #17801
Signed-off-by: Jordan Whited <jordan@tailscale.com>
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The lazy init led to confusion and a belief that was something was
wrong. It's reasonable to expect the daemon to listen on the port at the
time it's configured.
Updates tailscale/corp#33094
Signed-off-by: Jordan Whited <jordan@tailscale.com>
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(#17234)
Instead of using separate channels to manage the lifecycle of the eventbus
client, use the recently-added eventbus.Monitor, which handles signaling the
processing loop to stop and waiting for it to complete. This allows us to
simplify some of the setup and cleanup code in the relay server.
Updates #15160
Change-Id: Ia1a47ce2e5a31bc8f546dca4c56c3141a40d67af
Signed-off-by: M. J. Fromberger <fromberger@tailscale.com>
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tailscale debug peer-relay-sessions (#17239)
Fixes tailscale/corp#30035
Signed-off-by: Dylan Bargatze <dylan@tailscale.com>
Signed-off-by: Jordan Whited <jordan@tailscale.com>
Co-authored-by: Dylan Bargatze <dylan@tailscale.com>
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Instead of waiting for a designated subscription to close as a canary for the
bus being stopped, use the bus Client's own signal for closure added in #17118.
Updates #cleanup
Change-Id: I384ea39f3f1f6a030a6282356f7b5bdcdf8d7102
Signed-off-by: M. J. Fromberger <fromberger@tailscale.com>
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Updates tailscale/corp#30903
Signed-off-by: Jordan Whited <jordan@tailscale.com>
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consumeEventbusTopics now owns server and related eventbus machinery.
Updates tailscale/corp#30651
Signed-off-by: Jordan Whited <jordan@tailscale.com>
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(#16603)
Updates tailscale/corp#30583
Updates tailscale/corp#30534
Updates tailscale/corp#30557
Signed-off-by: Dylan Bargatze <dylan@tailscale.com>
Signed-off-by: Jordan Whited <jordan@tailscale.com>
Co-authored-by: Dylan Bargatze <dylan@tailscale.com>
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Updates tailscale/corp#30051
Signed-off-by: Jordan Whited <jordan@tailscale.com>
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nodeAttrs (#16444)
Inverts the nodeAttrs related to UDP relay client/server enablement to disablement, and fixes up the corresponding logic that uses them. Also updates the doc comments on both nodeAttrs.
Fixes tailscale/corp#30024
Signed-off-by: Dylan Bargatze <dylan@tailscale.com>
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Updates tailscale/corp#27502
Updates tailscale/corp#30043
Signed-off-by: Jordan Whited <jordan@tailscale.com>
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udprelay.Server is lazily initialized when the first request is received
over peerAPI. These early requests have a high chance of failure until
the first address discovery cycle has completed.
Return an ErrServerNotReady error until the first address discovery
cycle has completed, and plumb retry handling for this error all the
way back to the client in relayManager.
relayManager can now retry after a few seconds instead of waiting for
the next path discovery cycle, which could take another minute or
longer.
Updates tailscale/corp#27502
Signed-off-by: Jordan Whited <jordan@tailscale.com>
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The relay server now fetches IPs from local interfaces and external
perspective IP:port's via netcheck (STUN).
Updates tailscale/corp#27502
Signed-off-by: Jordan Whited <jordan@tailscale.com>
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ServerEndpoint will be used within magicsock and potentially elsewhere,
which should be possible without needing to import the server
implementation itself.
Updates tailscale/corp#27502
Signed-off-by: Jordan Whited <jordan@tailscale.com>
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(#15901)
Updates tailscale/corp#27502
Signed-off-by: Jordan Whited <jordan@tailscale.com>
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Updates #12614
Change-Id: If451dec1d796f6a4216fe485975c87f0c62a53e5
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
Co-authored-by: Nick Khyl <nickk@tailscale.com>
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Now that 25c4dc5fd70 removed unregistering hooks and made them into
slices, just expose the slices and remove the setter funcs.
This removes boilerplate ceremony around adding new hooks.
This does export the hooks and make them mutable at runtime in theory,
but that'd be a data race. If we really wanted to lock it down in the
future we could make the feature.Hooks slice type be an opaque struct
with an All() iterator and a "frozen" bool and we could freeze all the
hooks after init. But that doesn't seem worth it.
This means that hook registration is also now all in one place, rather
than being mixed into ProfilesService vs ipnext.Host vs FooService vs
BarService. I view that as a feature. When we have a ton of hooks and
the list is long, then we can rearrange the fields in the Hooks struct
as needed, or make sub-structs, or big comments.
Updates #12614
Change-Id: I05ce5baa45a61e79c04591c2043c05f3288d8587
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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Updates #12614
Change-Id: I197e673666e86ea74c19e3935ed71aec269b6c94
Co-authored-by: Nick Khyl <nickk@tailscale.com>
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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This was recently added, use it to be consistent.
Updates tailscale/corp#27502
Signed-off-by: Jordan Whited <jordan@tailscale.com>
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The relay server is still permanently disabled until node attribute
changes are wired up in a future commit.
Updates tailscale/corp#27502
Signed-off-by: Jordan Whited <jordan@tailscale.com>
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relayserver feature (#15699)
This feature is "registered" as an ipnlocal.Extension, and
conditionally linked depending on GOOS and ts_omit_relayserver build
tag.
The feature is not linked on iOS in attempt to limit the impact to
binary size and resulting effect of pushing up against NetworkExtension
limits. Eventually we will want to support the relay server on iOS,
specifically on the Apple TV. Apple TVs are well-fitted to act as
underlay relay servers as they are effectively always-on servers.
This skeleton begins to tie a PeerAPI endpoint to a net/udprelay.Server.
The PeerAPI endpoint is currently no-op as
extension.shouldRunRelayServer() always returns false. Follow-up commits
will implement extension.shouldRunRelayServer().
Updates tailscale/corp#27502
Signed-off-by: Jordan Whited <jordan@tailscale.com>
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