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Merge pull request #1891 from crosbymichael/new-panic

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Remove panic from newCommand
This commit is contained in:
Phil Estes 2017-12-06 16:53:02 -05:00 committed by GitHub
commit ad6e751ede
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 7 additions and 4 deletions
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11
linux/shim/client/client.go
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@ -47,7 +47,10 @@ func WithStart(binary, address, daemonAddress, cgroup string, debug bool, exitHa
}
defer f.Close()
cmd := newCommand(binary, daemonAddress, debug, config, f)
cmd, err := newCommand(binary, daemonAddress, debug, config, f)
if err != nil {
return nil, nil, err
}
ec, err := reaper.Default.Start(cmd)
if err != nil {
return nil, nil, errors.Wrapf(err, "failed to start shim")
@ -87,10 +90,10 @@ func WithStart(binary, address, daemonAddress, cgroup string, debug bool, exitHa
}
}
func newCommand(binary, daemonAddress string, debug bool, config shim.Config, socket *os.File) *exec.Cmd {
func newCommand(binary, daemonAddress string, debug bool, config shim.Config, socket *os.File) (*exec.Cmd, error) {
selfExe, err := os.Executable()
if err != nil {
panic(err)
return nil, err
}
args := []string{
"-namespace", config.Namespace,
@ -123,7 +126,7 @@ func newCommand(binary, daemonAddress string, debug bool, config shim.Config, so
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
}
return cmd
return cmd, nil
}
func newSocket(address string) (*net.UnixListener, error) {