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Diffstat (limited to 'vendor/github.com/containerd/cgroups/rdma.go')
-rw-r--r--vendor/github.com/containerd/cgroups/rdma.go153
1 files changed, 0 insertions, 153 deletions
diff --git a/vendor/github.com/containerd/cgroups/rdma.go b/vendor/github.com/containerd/cgroups/rdma.go
deleted file mode 100644
index 4f423d33a..000000000
--- a/vendor/github.com/containerd/cgroups/rdma.go
+++ /dev/null
@@ -1,153 +0,0 @@
-/*
- Copyright The containerd Authors.
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-package cgroups
-
-import (
- "io/ioutil"
- "math"
- "os"
- "path/filepath"
- "strconv"
- "strings"
-
- specs "github.com/opencontainers/runtime-spec/specs-go"
-)
-
-type rdmaController struct {
- root string
-}
-
-func (p *rdmaController) Name() Name {
- return Rdma
-}
-
-func (p *rdmaController) Path(path string) string {
- return filepath.Join(p.root, path)
-}
-
-func NewRdma(root string) *rdmaController {
- return &rdmaController{
- root: filepath.Join(root, string(Rdma)),
- }
-}
-
-func createCmdString(device string, limits *specs.LinuxRdma) string {
- var cmdString string
-
- cmdString = device
- if limits.HcaHandles != nil {
- cmdString = cmdString + " " + "hca_handle=" + strconv.FormatUint(uint64(*limits.HcaHandles), 10)
- }
-
- if limits.HcaObjects != nil {
- cmdString = cmdString + " " + "hca_object=" + strconv.FormatUint(uint64(*limits.HcaObjects), 10)
- }
- return cmdString
-}
-
-func (p *rdmaController) Create(path string, resources *specs.LinuxResources) error {
- if err := os.MkdirAll(p.Path(path), defaultDirPerm); err != nil {
- return err
- }
-
- for device, limit := range resources.Rdma {
- if device != "" && (limit.HcaHandles != nil || limit.HcaObjects != nil) {
- return ioutil.WriteFile(
- filepath.Join(p.Path(path), "rdma.max"),
- []byte(createCmdString(device, &limit)),
- defaultFilePerm,
- )
- }
- }
- return nil
-}
-
-func (p *rdmaController) Update(path string, resources *specs.LinuxResources) error {
- return p.Create(path, resources)
-}
-
-func parseRdmaKV(raw string, entry *RdmaEntry) {
- var value uint64
- var err error
-
- parts := strings.Split(raw, "=")
- switch len(parts) {
- case 2:
- if parts[1] == "max" {
- value = math.MaxUint32
- } else {
- value, err = parseUint(parts[1], 10, 32)
- if err != nil {
- return
- }
- }
- if parts[0] == "hca_handle" {
- entry.HcaHandles = uint32(value)
- } else if parts[0] == "hca_object" {
- entry.HcaObjects = uint32(value)
- }
- }
-}
-
-func toRdmaEntry(strEntries []string) []*RdmaEntry {
- var rdmaEntries []*RdmaEntry
- for i := range strEntries {
- parts := strings.Fields(strEntries[i])
- switch len(parts) {
- case 3:
- entry := new(RdmaEntry)
- entry.Device = parts[0]
- parseRdmaKV(parts[1], entry)
- parseRdmaKV(parts[2], entry)
-
- rdmaEntries = append(rdmaEntries, entry)
- default:
- continue
- }
- }
- return rdmaEntries
-}
-
-func (p *rdmaController) Stat(path string, stats *Metrics) error {
-
- currentData, err := ioutil.ReadFile(filepath.Join(p.Path(path), "rdma.current"))
- if err != nil {
- return err
- }
- currentPerDevices := strings.Split(string(currentData), "\n")
-
- maxData, err := ioutil.ReadFile(filepath.Join(p.Path(path), "rdma.max"))
- if err != nil {
- return err
- }
- maxPerDevices := strings.Split(string(maxData), "\n")
-
- // If device got removed between reading two files, ignore returning
- // stats.
- if len(currentPerDevices) != len(maxPerDevices) {
- return nil
- }
-
- currentEntries := toRdmaEntry(currentPerDevices)
- maxEntries := toRdmaEntry(maxPerDevices)
-
- stats.Rdma = &RdmaStat{
- Current: currentEntries,
- Limit: maxEntries,
- }
- return nil
-}