8000 kvm: Set hostname inside kvm container. Closes #2189 by squall0gd · Pull Request #2190 · rkt/rkt · GitHub
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kvm: Set hostname inside kvm container. Closes #2189 #2190

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Feb 23, 2016
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kvm: Set hostname inside kvm container. Closes #2189 #2190

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10 changes: 10 additions & 0 deletions stage1/init/init.go
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Original file line number Diff line number Diff line change
Expand Up @@ -296,6 +296,16 @@ func getArgsEnv(p *stage1commontypes.Pod, flavor string, debug bool, n *networki
nsargs := stage1initcommon.VolumesToKvmDiskArgs(p.Manifest.Volumes)
args = append(args, nsargs...)

// set hostname inside pod
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if not a problem, please add a comment referring to systemd-hostname why writing /etc/hostname is enough

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done

// According to systemd manual (https://www.freedesktop.org/software/systemd/man/hostname.html) :
// "The /etc/hostname file configures the name of the local system that is set
// during boot using the sethostname system call"
hostname := stage1initcommon.GetMachineID(p)
hostnamePath := filepath.Join(common.Stage1RootfsPath(p.Root), "etc/hostname")
if err := ioutil.WriteFile(hostnamePath, []byte(hostname), 0644); err != nil {
return nil, nil, fmt.Errorf("error writing %s, %s", hostnamePath, err)
}

// lkvm requires $HOME to be defined,
// see https://github.com/coreos/rkt/issues/1393
if os.Getenv("HOME") == "" {
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