56 lines
1.8 KiB
Diff
56 lines
1.8 KiB
Diff
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From f66b0742f72a0f15c6b805751c00af2c7b0f3193 Mon Sep 17 00:00:00 2001
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From: jingrui <jingrui@huawei.com>
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Date: Wed, 20 Feb 2019 23:42:00 +0800
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Subject: [PATCH 105/111] pause: fix pause on exited container
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reason: fix pause on exited container
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Change-Id: I109a88ab6832c3118f6be48f5924679549607740
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Signed-off-by: jingrui <jingrui@huawei.com>
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---
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components/engine/daemon/freezer/freezer.go | 21 ++++++++++++++++++-
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5 files changed, 26 insertions(+), 7 deletions(-)
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diff --git a/components/engine/daemon/freezer/freezer.go b/components/engine/daemon/freezer/freezer.go
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index a0ef299852..907c7aac2a 100644
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--- a/components/engine/daemon/freezer/freezer.go
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+++ b/components/engine/daemon/freezer/freezer.go
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@@ -12,6 +12,7 @@ import (
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"github.com/opencontainers/runc/libcontainer/configs"
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"github.com/opencontainers/runc/libcontainer/utils"
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+ "github.com/sirupsen/logrus"
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)
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// Freezer is the interface which could be used to pause/resume container,
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@@ -131,7 +132,25 @@ func (f *freezer) Pause() error {
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return fmt.Errorf("error: no tasks running in freeze cgroup")
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}
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- return f.updateCgroup(string(configs.Frozen))
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+ err = f.updateCgroup(string(configs.Frozen))
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+ if err != nil {
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+ return err
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+ }
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+
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+ tasks, err = readFile(f.path, "tasks")
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+ if err != nil {
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+ err := f.updateCgroup(string(configs.Thawed))
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+ logrus.Warnf("revert pause due to no tasks file. revert-error=%v", err)
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+ return fmt.Errorf("failed to check container cgroup task status: %v", err)
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+ }
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+
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+ if strings.TrimSpace(tasks) == "" {
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+ err := f.updateCgroup(string(configs.Thawed))
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+ logrus.Warnf("revert pause due to no tasks. revert-error=%v", err)
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+ return fmt.Errorf("error: no tasks running in freeze cgroup")
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+ }
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+
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+ return nil
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}
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// Resume will set the container to running state by writing freeze cgroup.
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--
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2.17.1
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