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cgroups: Add systemd detection when creating cgroup manager

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Look at the provided cgroup path to determine whether systemd is being
used to manage the cgroups. With this, systemd cgroups are being detected
and created appropriately for the sandbox.

Fixes: #599

Signed-off-by: Eric Ernsteernst <eric@amperecomputing.com>

(forward port of https://github.com/kata-containers/runtime/pull/2817)
Signed-off-by: Francesco Giudici <fgiudici@redhat.com>
This commit is contained in:
Eric Ernsteernst
2020-07-08 13:38:12 -07:00
committed by Francesco Giudici
parent f659871f55
commit d7cb3df0d2
4 changed files with 45 additions and 43 deletions
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10
src/runtime/virtcontainers/pkg/cgroups/utils_test.go
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@@ -22,8 +22,8 @@ func TestIsSystemdCgroup(t *testing.T) {
path string
expected bool
}{
{"slice:kata:afhts2e5d4g5s", true},
{"slice.system:kata:afhts2e5d4g5s", true},
{"foo.slice:kata:afhts2e5d4g5s", true},
{"system.slice:kata:afhts2e5d4g5s", true},
{"/kata/afhts2e5d4g5s", false},
{"a:b:c:d", false},
{":::", false},
@@ -78,9 +78,9 @@ func TestValidCgroupPath(t *testing.T) {
{":a:b", true, true},
{"@:@:@", true, true},
// valid system paths
{"slice:kata:55555", true, false},
{"slice.system:kata:afhts2e5d4g5s", true, false},
// valid systemd paths
{"x.slice:kata:55555", true, false},
{"system.slice:kata:afhts2e5d4g5s", true, false},
} {
path, err := ValidCgroupPath(t.path, t.systemdCgroup)
if t.error {