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Use proc/exe for reexec

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You don't need to resolve the symlink for the exec as long as the
process is to keep running during execution.

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
Upstream-commit: 59ec65cd8cec942cee6cbf2b8327ec57eb5078f0
Component: engine
This commit is contained in:
Michael Crosby
2018-01-26 13:40:32 -05:00
parent db2a10168c
commit dce32bffba
1 changed files with 2 additions and 6 deletions
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8
components/engine/daemon/oci_linux.go
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@@ -862,14 +862,10 @@ func (daemon *Daemon) createSpec(c *container.Container) (*specs.Spec, error) {
for _, ns := range s.Linux.Namespaces {
if ns.Type == "network" && ns.Path == "" && !c.Config.NetworkDisabled {
target, err := os.Readlink(filepath.Join("/proc", strconv.Itoa(os.Getpid()), "exe"))
if err != nil {
return nil, err
}
target := filepath.Join("/proc", strconv.Itoa(os.Getpid()), "exe")
s.Hooks = &specs.Hooks{
Prestart: []specs.Hook{{
Path: target, // FIXME: cross-platform
Path: target,
Args: []string{"libnetwork-setkey", c.ID, daemon.netController.ID()},
}},
}