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libct/cgroups: support Cgroups.Resources.Unified

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Add support for unified resource map (as per [1]), and add some test
cases for the new functionality.

[1] https://github.com/opencontainers/runtime-spec/pull/1040

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
This commit is contained in:
Kir Kolyshkin
2020-09-10 18:10:30 -07:00
parent 74b57fea54
commit b006f4a180
7 changed files with 208 additions and 2 deletions
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libcontainer/cgroups/systemd/v1.go
+7
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@@ -101,6 +101,10 @@ func (m *legacyManager) Apply(pid int) error {
properties []systemdDbus.Property
)
if c.Resources.Unified != nil {
return cgroups.ErrV1NoUnified
}
m.mu.Lock()
defer m.mu.Unlock()
if c.Paths != nil {
@@ -342,6 +346,9 @@ func (m *legacyManager) Set(container *configs.Config) error {
if m.cgroups.Paths != nil {
return nil
}
if container.Cgroups.Resources.Unified != nil {
return cgroups.ErrV1NoUnified
}
dbusConnection, err := getDbusConnection(false)
if err != nil {
return err