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cmd/tailscaled: move cleanup to an implicit action during startup

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This removes a potentially increased boot delay for certain boot
topologies where they block on ExecStartPre that may have socket
activation dependencies on other system services (such as
systemd-resolved and NetworkManager).

Also rename cleanup to clean up in affected/immediately nearby places
per code review commentary.

Fixes #11599

Signed-off-by: James Tucker <james@tailscale.com>
This commit is contained in:
James Tucker
2024-04-02 19:52:19 -07:00
committed by James Tucker
parent 8d83adde07
commit db760d0bac
11 changed files with 31 additions and 28 deletions
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6
wgengine/router/router.go
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@ -49,11 +49,11 @@ func New(logf logger.Logf, tundev tun.Device, netMon *netmon.Monitor) (Router, e
return newUserspaceRouter(logf, tundev, netMon)
}
// Cleanup restores the system network configuration to its original state
// CleanUp restores the system network configuration to its original state
// in case the Tailscale daemon terminated without closing the router.
// No other state needs to be instantiated before this runs.
func Cleanup(logf logger.Logf, interfaceName string) {
cleanup(logf, interfaceName)
func CleanUp(logf logger.Logf, interfaceName string) {
cleanUp(logf, interfaceName)
}
// Config is the subset of Tailscale configuration that is relevant to