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tailcfg, control/controlclient: add tailcfg.PeersChangedPatch [capver 33]

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This adds a lighter mechanism for endpoint updates from control.

Change-Id: If169c26becb76d683e9877dc48cfb35f90cc5f24
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2022-07-20 13:31:20 -07:00
committed by Brad Fitzpatrick
parent b763a12331
commit d8cb5aae17
4 changed files with 104 additions and 10 deletions
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56
control/controlclient/map_test.go
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@@ -34,6 +34,16 @@ func TestUndeltaPeers(t *testing.T) {
n.LastSeen = &t
}
}
withDERP := func(d string) func(*tailcfg.Node) {
return func(n *tailcfg.Node) {
n.DERP = d
}
}
withEP := func(ep string) func(*tailcfg.Node) {
return func(n *tailcfg.Node) {
n.Endpoints = []string{ep}
}
}
n := func(id tailcfg.NodeID, name string, mod ...func(*tailcfg.Node)) *tailcfg.Node {
n := &tailcfg.Node{ID: id, Name: name}
for _, f := range mod {
@@ -137,7 +147,53 @@ func TestUndeltaPeers(t *testing.T) {
n(2, "bar", seenAt(time.Unix(123, 0))),
),
},
{
name: "ep_change_derp",
prev: peers(n(1, "foo", withDERP("127.3.3.40:3"))),
mapRes: &tailcfg.MapResponse{
PeersChangedPatch: []*tailcfg.PeerChange{{
NodeID: 1,
DERPRegion: 4,
}},
},
want: peers(n(1, "foo", withDERP("127.3.3.40:4"))),
},
{
name: "ep_change_udp",
prev: peers(n(1, "foo", withEP("1.2.3.4:111"))),
mapRes: &tailcfg.MapResponse{
PeersChangedPatch: []*tailcfg.PeerChange{{
NodeID: 1,
Endpoints: []string{"1.2.3.4:56"},
}},
},
want: peers(n(1, "foo", withEP("1.2.3.4:56"))),
},
{
name: "ep_change_udp",
prev: peers(n(1, "foo", withDERP("127.3.3.40:3"), withEP("1.2.3.4:111"))),
mapRes: &tailcfg.MapResponse{
PeersChangedPatch: []*tailcfg.PeerChange{{
NodeID: 1,
Endpoints: []string{"1.2.3.4:56"},
}},
},
want: peers(n(1, "foo", withDERP("127.3.3.40:3"), withEP("1.2.3.4:56"))),
},
{
name: "ep_change_both",
prev: peers(n(1, "foo", withDERP("127.3.3.40:3"), withEP("1.2.3.4:111"))),
mapRes: &tailcfg.MapResponse{
PeersChangedPatch: []*tailcfg.PeerChange{{
NodeID: 1,
DERPRegion: 2,
Endpoints: []string{"1.2.3.4:56"},
}},
},
want: peers(n(1, "foo", withDERP("127.3.3.40:2"), withEP("1.2.3.4:56"))),
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if !tt.curTime.IsZero() {