specgen: split cgroup v1 and cgroup v2 code
refactor function into two separate ones.
@@ -7,16 +7,10 @@ import (
"github.com/pkg/errors"
)
-// Verify resource limits are sanely set, removing any limits that are not
-// possible with the current cgroups config.
-func verifyContainerResources(s *specgen.SpecGenerator) ([]string, error) {
+// Verify resource limits are sanely set when running on cgroup v1.
+func verifyContainerResourcesCgroupV1(s *specgen.SpecGenerator) ([]string, error) {
warnings := []string{}
- cgroup2, err := cgroups.IsCgroup2UnifiedMode()
- if err != nil || cgroup2 {
- return warnings, err
- }
-
sysInfo := sysinfo.New(true)
if s.ResourceLimits == nil {
@@ -24,10 +18,8 @@ func verifyContainerResources(s *specgen.SpecGenerator) ([]string, error) {
}
if s.ResourceLimits.Unified != nil {
- if !cgroup2 {
return nil, errors.New("Cannot use --cgroup-conf without cgroup v2")
}
- }
// Memory checks
if s.ResourceLimits.Memory != nil {
@@ -163,3 +155,21 @@ func verifyContainerResources(s *specgen.SpecGenerator) ([]string, error) {
return warnings, nil
}
+
+// Verify resource limits are sanely set when running on cgroup v2.
+func verifyContainerResourcesCgroupV2(s *specgen.SpecGenerator) ([]string, error) {
+ return []string{}, nil
+}
+
+// Verify resource limits are sanely set, removing any limits that are not
+// possible with the current cgroups config.
+func verifyContainerResources(s *specgen.SpecGenerator) ([]string, error) {
+ cgroup2, err := cgroups.IsCgroup2UnifiedMode()
+ if err != nil {
+ return []string{}, err
+ }
+ if cgroup2 {
+ return verifyContainerResourcesCgroupV2(s)
+ }
+ return verifyContainerResourcesCgroupV1(s)
+}
