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when tsrecorder receives events, it populates this field with
information about the node the request was sent to.
Updates #17141
Signed-off-by: chaosinthecrd <tom@tmlabs.co.uk>
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Updates #17141
Signed-off-by: chaosinthecrd <tom@tmlabs.co.uk>
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Updates #7123
Change-Id: Ie9be6814831f661ad5636afcd51d063a0d7a907d
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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In Dec 2021 in d3d503d9977ed I had grand plans to make exit node DNS
cheaper by using HTTP/2 over PeerAPI, at least on some platforms. I
only did server-side support though and never made it to the client.
In the ~4 years since, some things have happened:
* Go 1.24 got support for http.Protocols (https://pkg.go.dev/net/http#Protocols)
and doing UnencryptedHTTP2 ("HTTP2 with prior knowledge")
* The old h2c upgrade mechanism was deprecated; see https://github.com/golang/go/issues/63565
and https://github.com/golang/go/issues/67816
* Go plans to deprecate x/net/http2 and move everything to the standard library.
So this drops our use of the x/net/http2/h2c package and instead
enables h2c (on all platforms now) using the standard library.
This does mean we lose the deprecated h2c Upgrade support, but that's
fine.
If/when we do the h2c client support for ExitDNS, we'll have to probe
the peer to see whether it supports it. Or have it reply with a header
saying that future requests can us h2c. (It's tempting to use capver,
but maybe people will disable that support anyway, so we should
discover it at runtime instead.)
Also do the same in the sessionrecording package.
Updates #17305
Change-Id: If323f5ef32486effb18ed836888aa05c0efb701e
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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messages and cast headers when recording `kubectl attach` sessions
Updates #16490
Signed-off-by: chaosinthecrd <tom@tmlabs.co.uk>
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This adds netx.DialFunc, unifying a type we have a bazillion other
places, giving it now a nice short name that's clickable in
editors, etc.
That highlighted that my earlier move (03b47a55c7956) of stuff from
nettest into netx moved too much: it also dragged along the memnet
impl, meaning all users of netx.DialFunc who just wanted netx for the
type definition were instead also pulling in all of memnet.
So move the memnet implementation netx.Network into memnet, a package
we already had.
Then use netx.DialFunc in a bunch of places. I'm sure I missed some.
And plenty remain in other repos, to be updated later.
Updates tailscale/corp#27636
Change-Id: I7296cd4591218e8624e214f8c70dab05fb884e95
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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The v2 endpoint supports HTTP/2 bidirectional streaming and acks for
received bytes. This is used to detect when a recorder disappears to
more quickly terminate the session.
Updates https://github.com/tailscale/corp/issues/24023
Signed-off-by: Andrew Lytvynov <awly@tailscale.com>
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(#13382)
Updates tailscale/corp#19821
Signed-off-by: Irbe Krumina <irbe@tailscale.com>
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refactor session recording functionality (#12945)
cmd/k8s-operator,k8s-operator/sessionrecording,sessionrecording,ssh/tailssh: refactor session recording functionality
Refactor SSH session recording functionality (mostly the bits related to
Kubernetes API server proxy 'kubectl exec' session recording):
- move the session recording bits used by both Tailscale SSH
and the Kubernetes API server proxy into a shared sessionrecording package,
to avoid having the operator to import ssh/tailssh
- move the Kubernetes API server proxy session recording functionality
into a k8s-operator/sessionrecording package, add some abstractions
in preparation for adding support for a second streaming protocol (WebSockets)
Updates tailscale/corp#19821
Signed-off-by: Irbe Krumina <irbe@tailscale.com>
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