diff options
author | 2017-09-04 19:33:48 +0800 | |
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committer | 2017-09-04 19:34:03 +0800 | |
commit | c4a34b2fe6f7317bf17fa478a734e5bdab30c278 (patch) | |
tree | 8b65034b069a657f2531137b389a0c1d4919b79a /src/kube2msb/vendor/github.com/opencontainers/runc/libcontainer/cgroups/fs/pids.go | |
parent | cc0c6e3ed8fc6c9fd96ef843b866070f52537185 (diff) |
Use maven to build kube2msb
Issue-Id: OOM-61
Change-Id: Ic7e733c95e28b75b66535b343ae22c893db24531
Signed-off-by: HuabingZhao <zhao.huabing@zte.com.cn>
Diffstat (limited to 'src/kube2msb/vendor/github.com/opencontainers/runc/libcontainer/cgroups/fs/pids.go')
-rw-r--r-- | src/kube2msb/vendor/github.com/opencontainers/runc/libcontainer/cgroups/fs/pids.go | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/kube2msb/vendor/github.com/opencontainers/runc/libcontainer/cgroups/fs/pids.go b/src/kube2msb/vendor/github.com/opencontainers/runc/libcontainer/cgroups/fs/pids.go new file mode 100644 index 0000000..f1e3720 --- /dev/null +++ b/src/kube2msb/vendor/github.com/opencontainers/runc/libcontainer/cgroups/fs/pids.go @@ -0,0 +1,73 @@ +// +build linux + +package fs + +import ( + "fmt" + "path/filepath" + "strconv" + + "github.com/opencontainers/runc/libcontainer/cgroups" + "github.com/opencontainers/runc/libcontainer/configs" +) + +type PidsGroup struct { +} + +func (s *PidsGroup) Name() string { + return "pids" +} + +func (s *PidsGroup) Apply(d *cgroupData) error { + _, err := d.join("pids") + if err != nil && !cgroups.IsNotFound(err) { + return err + } + return nil +} + +func (s *PidsGroup) Set(path string, cgroup *configs.Cgroup) error { + if cgroup.Resources.PidsLimit != 0 { + // "max" is the fallback value. + limit := "max" + + if cgroup.Resources.PidsLimit > 0 { + limit = strconv.FormatInt(cgroup.Resources.PidsLimit, 10) + } + + if err := writeFile(path, "pids.max", limit); err != nil { + return err + } + } + + return nil +} + +func (s *PidsGroup) Remove(d *cgroupData) error { + return removePath(d.path("pids")) +} + +func (s *PidsGroup) GetStats(path string, stats *cgroups.Stats) error { + current, err := getCgroupParamUint(path, "pids.current") + if err != nil { + return fmt.Errorf("failed to parse pids.current - %s", err) + } + + maxString, err := getCgroupParamString(path, "pids.max") + if err != nil { + return fmt.Errorf("failed to parse pids.max - %s", err) + } + + // Default if pids.max == "max" is 0 -- which represents "no limit". + var max uint64 + if maxString != "max" { + max, err = parseUint(maxString, 10, 64) + if err != nil { + return fmt.Errorf("failed to parse pids.max - unable to parse %q as a uint from Cgroup file %q", maxString, filepath.Join(path, "pids.max")) + } + } + + stats.PidsStats.Current = current + stats.PidsStats.Limit = max + return nil +} |