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authorMatthew Heon <matthew.heon@gmail.com>2017-11-01 11:24:59 -0400
committerMatthew Heon <matthew.heon@gmail.com>2017-11-01 11:24:59 -0400
commita031b83a09a8628435317a03f199cdc18b78262f (patch)
treebc017a96769ce6de33745b8b0b1304ccf38e9df0 /vendor/github.com/containerd/cgroups/net_cls.go
parent2b74391cd5281f6fdf391ff8ad50fd1490f6bf89 (diff)
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Initial checkin from CRI-O repo
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Diffstat (limited to 'vendor/github.com/containerd/cgroups/net_cls.go')
-rw-r--r--vendor/github.com/containerd/cgroups/net_cls.go42
1 files changed, 42 insertions, 0 deletions
diff --git a/vendor/github.com/containerd/cgroups/net_cls.go b/vendor/github.com/containerd/cgroups/net_cls.go
new file mode 100644
index 000000000..1558444bd
--- /dev/null
+++ b/vendor/github.com/containerd/cgroups/net_cls.go
@@ -0,0 +1,42 @@
+package cgroups
+
+import (
+ "io/ioutil"
+ "os"
+ "path/filepath"
+ "strconv"
+
+ specs "github.com/opencontainers/runtime-spec/specs-go"
+)
+
+func NewNetCls(root string) *netclsController {
+ return &netclsController{
+ root: filepath.Join(root, string(NetCLS)),
+ }
+}
+
+type netclsController struct {
+ root string
+}
+
+func (n *netclsController) Name() Name {
+ return NetCLS
+}
+
+func (n *netclsController) Path(path string) string {
+ return filepath.Join(n.root, path)
+}
+
+func (n *netclsController) Create(path string, resources *specs.LinuxResources) error {
+ if err := os.MkdirAll(n.Path(path), defaultDirPerm); err != nil {
+ return err
+ }
+ if resources.Network != nil && resources.Network.ClassID != nil && *resources.Network.ClassID > 0 {
+ return ioutil.WriteFile(
+ filepath.Join(n.Path(path), "net_cls.classid"),
+ []byte(strconv.FormatUint(uint64(*resources.Network.ClassID), 10)),
+ defaultFilePerm,
+ )
+ }
+ return nil
+}