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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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2
wgengine/router/router_freebsd.go
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@@ -18,7 +18,7 @@ func newUserspaceRouter(logf logger.Logf, tundev tun.Device, netMon *netmon.Moni
return newUserspaceBSDRouter(logf, tundev, netMon)
}
func cleanup(logf logger.Logf, interfaceName string) {
func cleanUp(logf logger.Logf, interfaceName string) {
// If the interface was left behind, ifconfig down will not remove it.
// In fact, this will leave a system in a tainted state where starting tailscaled
// will result in "interface tailscale0 already exists"