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Use ip link show to detect bridge

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ip tuntap show lists all tuntap devices and ignores the rest of the
arguments, annoyingly. It will always return with exit code 0.

We do not detect if the interface is a bridge.
This commit is contained in:
Reynir Björnsson 2020-11-30 11:37:34 +01:00
parent bc71e26756
commit b4a4a28634
1 changed files with 1 additions and 1 deletions
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2
src/vmm_unix.ml
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@ -233,7 +233,7 @@ let bridge_exists bridge_name =
let cmd =
match Lazy.force uname with
| FreeBSD -> Bos.Cmd.(v "ifconfig" % bridge_name)
| Linux -> Bos.Cmd.(v "ip" % "tuntap" % "show" % bridge_name)
| Linux -> Bos.Cmd.(v "ip" % "link" % "show" % bridge_name)
in
Bos.OS.Cmd.(run_out ~err:err_null cmd |> out_null |> success)