fix crash with `-test` (#602)
When running in `-test` mode, `tun` is set to nil. So we should move the defer into the `!configTest` if block. panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x28 pc=0x54855c] goroutine 1 [running]: github.com/slackhq/nebula.Main.func3(0x4000135e80, {0x0, 0x0}) github.com/slackhq/nebula/main.go:176 +0x2c github.com/slackhq/nebula.Main(0x400022e060, 0x1, {0x76faa0, 0x5}, 0x4000230000, 0x0) github.com/slackhq/nebula/main.go:316 +0x2414 main.main() github.com/slackhq/nebula/cmd/nebula/main.go:54 +0x540
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parent
f60ed2b36d
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12
main.go
12
main.go
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@ -138,13 +138,13 @@ func Main(c *config.C, configTest bool, buildVersion string, logger *logrus.Logg
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if err != nil {
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return nil, util.NewContextualError("Failed to get a tun/tap device", nil, err)
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}
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}
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defer func() {
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if reterr != nil {
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tun.Close()
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}
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}()
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defer func() {
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if reterr != nil {
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tun.Close()
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}
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}()
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}
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// set up our UDP listener
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udpConns := make([]*udp.Conn, routines)
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