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From dfb3496c174377b860b62872ce6af951364cc3ac Mon Sep 17 00:00:00 2001
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From: Lokesh Mandvekar <lsm5@fedoraproject.org>
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Date: Tue, 12 Dec 2017 13:22:42 +0530
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Subject: [PATCH] Revert "Apply cgroups earlier"
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This reverts commit 7062c7556b71188abc18d7516441ff4b03fbc1fc.
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---
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libcontainer/process_linux.go | 31 ++++++++++++++-----------------
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1 file changed, 14 insertions(+), 17 deletions(-)
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diff --git a/libcontainer/process_linux.go b/libcontainer/process_linux.go
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index 149b1126..b8a395af 100644
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--- a/libcontainer/process_linux.go
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+++ b/libcontainer/process_linux.go
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@@ -272,6 +272,20 @@ func (p *initProcess) start() error {
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p.process.ops = nil
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return newSystemErrorWithCause(err, "starting init process command")
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}
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+ if _, err := io.Copy(p.parentPipe, p.bootstrapData); err != nil {
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+ return newSystemErrorWithCause(err, "copying bootstrap data to pipe")
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+ }
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+ if err := p.execSetns(); err != nil {
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+ return newSystemErrorWithCause(err, "running exec setns process for init")
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+ }
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+ // Save the standard descriptor names before the container process
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+ // can potentially move them (e.g., via dup2()). If we don't do this now,
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+ // we won't know at checkpoint time which file descriptor to look up.
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+ fds, err := getPipeFds(p.pid())
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+ if err != nil {
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+ return newSystemErrorWithCausef(err, "getting pipe fds for pid %d", p.pid())
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+ }
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+ p.setExternalDescriptors(fds)
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// Do this before syncing with child so that no children can escape the
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// cgroup. We don't need to worry about not doing this and not being root
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// because we'd be using the rootless cgroup manager in that case.
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@@ -292,23 +306,6 @@ func (p *initProcess) start() error {
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}
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}
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}()
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-
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- if _, err := io.Copy(p.parentPipe, p.bootstrapData); err != nil {
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- return newSystemErrorWithCause(err, "copying bootstrap data to pipe")
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- }
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-
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- if err := p.execSetns(); err != nil {
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- return newSystemErrorWithCause(err, "running exec setns process for init")
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- }
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-
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- // Save the standard descriptor names before the container process
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- // can potentially move them (e.g., via dup2()). If we don't do this now,
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- // we won't know at checkpoint time which file descriptor to look up.
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- fds, err := getPipeFds(p.pid())
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- if err != nil {
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- return newSystemErrorWithCausef(err, "getting pipe fds for pid %d", p.pid())
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- }
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- p.setExternalDescriptors(fds)
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if err := p.createNetworkInterfaces(); err != nil {
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return newSystemErrorWithCause(err, "creating network interfaces")
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}
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--
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2.14.3
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