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net/netns, net/dns/resolver, etc: make netmon required in most places

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The goal is to move more network state accessors to netmon.Monitor
where they can be cheaper/cached. But first (this change and others)
we need to make sure the one netmon.Monitor is plumbed everywhere.

Some notable bits:

* tsdial.NewDialer is added, taking a now-required netmon

* because a tsdial.Dialer always has a netmon, anything taking both
  a Dialer and a NetMon is now redundant; take only the Dialer and
  get the NetMon from that if/when needed.

* netmon.NewStatic is added, primarily for tests

Updates tailscale/corp#10910
Updates tailscale/corp#18960
Updates #7967
Updates #3299

Change-Id: I877f9cb87618c4eb037cee098241d18da9c01691
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2024-04-26 22:06:20 -07:00
committed by Brad Fitzpatrick
parent 4f73a26ea5
commit 3672f29a4e
34 changed files with 228 additions and 86 deletions
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5
control/controlclient/direct_test.go
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@@ -14,6 +14,7 @@ import (
"tailscale.com/hostinfo"
"tailscale.com/ipn/ipnstate"
"tailscale.com/net/netmon"
"tailscale.com/net/tsdial"
"tailscale.com/tailcfg"
"tailscale.com/types/key"
@@ -31,7 +32,7 @@ func TestNewDirect(t *testing.T) {
GetMachinePrivateKey: func() (key.MachinePrivate, error) {
return k, nil
},
Dialer: new(tsdial.Dialer),
Dialer: tsdial.NewDialer(netmon.NewStatic()),
}
c, err := NewDirect(opts)
if err != nil {
@@ -107,7 +108,7 @@ func TestTsmpPing(t *testing.T) {
GetMachinePrivateKey: func() (key.MachinePrivate, error) {
return k, nil
},
Dialer: new(tsdial.Dialer),
Dialer: tsdial.NewDialer(netmon.NewStatic()),
}
c, err := NewDirect(opts)