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Fix parsing of interface aliases in netdev linux

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Very old kernels expose interface aliases as `foo0:0`, adjust the line
parsing to handle these names.

Signed-off-by: Ben Kochie <superq@gmail.com>
This commit is contained in:
Ben Kochie 2018-04-16 14:34:39 +02:00
commit a528966dcd
4 changed files with 37 additions and 9 deletions
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6
collector/netdev_linux_test.go
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@ -43,11 +43,15 @@ func TestNetDevStats(t *testing.T) {
t.Errorf("want netstat tun0 packets %s, got %s", want, got)
}
if want, got := 6, len(netStats); want != got {
if want, got := 7, len(netStats); want != got {
t.Errorf("want count of devices to be %d, got %d", want, got)
}
if _, ok := netStats["veth4B09XN"]["transmit_bytes"]; ok {
t.Error("want fixture interface veth4B09XN to not exist, but it does")
}
if want, got := "0", netStats["ibr10:30"]["receive_fifo"]; want != got {
t.Error("want fixture interface ibr10:30 to exist, but it does not")
}
}