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4e91cf20a8
Previously two tsnet nodes in the same process couldn't have disjoint sets of controlknob settings from control as both would overwrite each other's global variables. This plumbs a new controlknobs.Knobs type around everywhere and hangs the knobs sent by control on that instead. Updates #9351 Change-Id: I75338646d36813ed971b4ffad6f9a8b41ec91560 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
38 lines
1.1 KiB
Go
38 lines
1.1 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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// Package controlknobs contains client options configurable from control which can be turned on
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// or off. The ability to turn options on and off is for incrementally adding features in.
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package controlknobs
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import (
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"sync/atomic"
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"tailscale.com/syncs"
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"tailscale.com/types/opt"
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)
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// Knobs is the set of knobs that the control plane's coordination server can
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// adjust at runtime.
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type Knobs struct {
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// DisableUPnP indicates whether to attempt UPnP mapping.
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DisableUPnP atomic.Bool
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// DisableDRPO is whether control says to disable the
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// DERP route optimization (Issue 150).
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DisableDRPO atomic.Bool
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// KeepFullWGConfig is whether we should disable the lazy wireguard
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// programming and instead give WireGuard the full netmap always, even for
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// idle peers.
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KeepFullWGConfig atomic.Bool
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// RandomizeClientPort is whether control says we should randomize
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// the client port.
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RandomizeClientPort atomic.Bool
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// OneCGNAT is whether the the node should make one big CGNAT route
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// in the OS rather than one /32 per peer.
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OneCGNAT syncs.AtomicValue[opt.Bool]
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}
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