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ipn, ipn/ipnlocal: add Foreground field for ServeConfig

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This PR adds a new field to the serve config that can be used to identify which serves are in "foreground mode" and then can also be used to ensure they do not get persisted to disk so that if Tailscaled gets ungracefully shutdown, the reloaded ServeConfig will not have those ports opened.

Updates #8489

Signed-off-by: Marwan Sulaiman <marwan@tailscale.com>
This commit is contained in:
Marwan Sulaiman
2023-09-05 13:51:52 -04:00
committed by Marwan Sulaiman
parent 96094cc07e
commit 50990f8931
8 changed files with 207 additions and 200 deletions
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4
ipn/ipnlocal/local_test.go
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@@ -26,6 +26,7 @@ import (
"tailscale.com/types/logger"
"tailscale.com/types/logid"
"tailscale.com/types/netmap"
"tailscale.com/util/set"
"tailscale.com/wgengine"
"tailscale.com/wgengine/filter"
"tailscale.com/wgengine/wgcfg"
@@ -843,6 +844,9 @@ var _ legacyBackend = (*LocalBackend)(nil)
func TestWatchNotificationsCallbacks(t *testing.T) {
b := new(LocalBackend)
// activeWatchSessions is typically set in NewLocalBackend
// so WatchNotifications expects it to be non-empty.
b.activeWatchSessions = make(set.Set[string])
n := new(ipn.Notify)
b.WatchNotifications(context.Background(), 0, func() {
b.mu.Lock()