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control/controlclient: fix Noise HTTP/2 regression from earlier commit

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Fix regression from 21069124db caught by tests in another repo.

The HTTP/2 Transport that was being returned had a ConnPool that never
dialed.

Updates #3488

Change-Id: I3184d6393813448ae143d37ece14eb732334c05f
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick 2022-03-08 09:33:02 -08:00 committed by Brad Fitzpatrick
parent 21069124db
commit c4f6df47e5
1 changed files with 9 additions and 0 deletions
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9
control/controlclient/noise.go
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@ -90,6 +90,15 @@ func newNoiseClient(priKey key.MachinePrivate, serverPubKey key.MachinePublic, s
// but it's actually our Noise dialer:
h2Transport.DialTLS = np.dial
// ConfigureTransports assumes it's being used to wire up an HTTP/1
// and HTTP/2 Transport together, so its returned http2.Transport
// has a ConnPool already initialized that's configured to not dial
// (assuming it's only called from the HTTP/1 Transport). But we
// want it to dial, so nil it out before use. On first use it has
// a sync.Once that lazily initializes the ConnPool to its default
// one that dials.
h2Transport.ConnPool = nil
np.Client = &http.Client{Transport: h2Transport}
return np, nil
}