2acaf7ca82
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
28 lines
598 B
Go
28 lines
598 B
Go
package nsinit
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import (
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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)
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// StateWriter handles writing and deleting the pid file
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// on disk
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type StateWriter interface {
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WritePid(pid int) error
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DeletePid() error
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}
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type DefaultStateWriter struct {
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Root string
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}
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// writePidFile writes the namespaced processes pid to pid in the rootfs for the container
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func (d *DefaultStateWriter) WritePid(pid int) error {
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return ioutil.WriteFile(filepath.Join(d.Root, "pid"), []byte(fmt.Sprint(pid)), 0655)
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}
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func (d *DefaultStateWriter) DeletePid() error {
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return os.Remove(filepath.Join(d.Root, "pid"))
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}
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