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https://github.com/kubereboot/kured.git
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Jean-Philippe Evrard
3bfdd76f29
Without this, it makes the code a bit harder to read. This fixes it by extracting the method. Signed-off-by: Jean-Philippe Evrard <open-source@a.spamming.party>
36 lines
1.0 KiB
Go
36 lines
1.0 KiB
Go
package util
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import (
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"fmt"
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"os/exec"
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log "github.com/sirupsen/logrus"
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)
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// NewCommand creates a new Command with stdout/stderr wired to our standard logger
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func NewCommand(name string, arg ...string) *exec.Cmd {
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cmd := exec.Command(name, arg...)
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cmd.Stdout = log.NewEntry(log.StandardLogger()).
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WithField("cmd", cmd.Args[0]).
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WithField("std", "out").
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WriterLevel(log.InfoLevel)
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cmd.Stderr = log.NewEntry(log.StandardLogger()).
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WithField("cmd", cmd.Args[0]).
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WithField("std", "err").
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WriterLevel(log.WarnLevel)
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return cmd
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}
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// PrivilegedHostCommand wraps the command with nsenter.
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// It allows to run a command from systemd's namespace for example (pid 1)
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// This relies on hostPID:true and privileged:true to enter host mount space
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// For info, rancher based need different pid, which should be user given.
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// until we have a better discovery mechanism.
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func PrivilegedHostCommand(pid int, command []string) []string {
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cmd := []string{"/usr/bin/nsenter", fmt.Sprintf("-m/proc/%d/ns/mnt", pid), "--"}
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cmd = append(cmd, command...)
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return cmd
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}
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