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resourcecontrol: SystemdCgroup check is not necessarily linux specific

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This utility function is also used to check the spec that will run in
the guest - no need for this to be linux specific.

Signed-off-by: Eric Ernst <eric_ernst@apple.com>
This commit is contained in:
Eric Ernst 2022-02-25 12:05:01 -08:00
parent cc58cf6993
commit 6a5c634490
2 changed files with 18 additions and 17 deletions
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18
src/runtime/pkg/resourcecontrol/utils.go
View File

@ -7,6 +7,7 @@ package resourcecontrol
import (
"fmt"
"strings"
"github.com/opencontainers/runc/libcontainer/devices"
"github.com/opencontainers/runtime-spec/specs-go"
@ -57,3 +58,20 @@ func DeviceToLinuxDevice(device string) (specs.LinuxDeviceCgroup, error) {
Access: string(dev.Permissions),
}, nil
}
func IsSystemdCgroup(cgroupPath string) bool {
// If we are utilizing systemd to manage cgroups, we expect to receive a path
// in the format slice:scopeprefix:name. A typical example would be:
//
// system.slice:docker:6b4c4a4d0cc2a12c529dcb13a2b8e438dfb3b2a6af34d548d7d
//
// Based on this, let's split by the ':' delimiter and verify that the first
// section has .slice as a suffix.
parts := strings.Split(cgroupPath, ":")
if len(parts) == 3 && strings.HasSuffix(parts[0], ".slice") {
return true
}
return false
}

17
src/runtime/pkg/resourcecontrol/utils_linux.go
View File

@ -43,23 +43,6 @@ func ValidCgroupPath(path string, systemdCgroup bool) (string, error) {
return filepath.Join(DefaultResourceControllerID, filepath.Clean("/"+path)), nil
}
func IsSystemdCgroup(cgroupPath string) bool {
// If we are utilizing systemd to manage cgroups, we expect to receive a path
// in the format slice:scopeprefix:name. A typical example would be:
//
// system.slice:docker:6b4c4a4d0cc2a12c529dcb13a2b8e438dfb3b2a6af34d548d7d
//
// Based on this, let's split by the ':' delimiter and verify that the first
// section has .slice as a suffix.
parts := strings.Split(cgroupPath, ":")
if len(parts) == 3 && strings.HasSuffix(parts[0], ".slice") {
return true
}
return false
}
func newProperty(name string, units interface{}) systemdDbus.Property {
return systemdDbus.Property{
Name: name,