mirror of
https://github.com/aljazceru/kata-containers.git
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21698aadc1
detail commit change
$ git log --no-merges --abbrev-commit --pretty=oneline "5017d4e9a9cf2d4381db99eacd9baf84b95bfb14..c4b9ac5c7601384c965b9646fc515884e091ebb9" | sed 's/^/ /g'
f627015 avoid adding io_serviced and io_service_bytes duplicately
13a3ac4 fixed an issue with invalid soft memory limits
215221e Add makefile for go and protos
0ecd2b6 cgroups: fix MoveTo function fail problem
38dc3ac Correct forked Travis builds
a9a304a Add Go 1.12 to Travis
51dcf5f Fix cgroup hugetlb size prefix for kB
1741ae0 add network stats
453efe3 Return ErrCgroupDeleted when no subsystems
4a9f0f7 Add SkipOpts for handling how subsystems are registered
4dacf2b Check for non-active/supported cgroups
2fd912c Add tests for pids
afd5981 Gofmt cgroup_test
f48bd85 Fixs return error message
64bade4 Take value instead of pointer value
b49c471 Correct ineffassign warning
6b552a8 Fix net_prio typo
a31a0ff Add functionality for retrieving all tasks of a cgroup
7d825b2 Add test for cgroups load when missing hierarchy in one subsystem
f6cbfb4 Change Load function in order to be more lenient on subsystems' checking
ab9ec0e Add go-systemd dep for CI testing
9a09e58 Fix gofmt of systemd.go
e13f6cc Add GoReportCard badge to README
d124595 Add Go 1.11 to Travis
d961ab9 Correct typo
e4cf832 Add project references and use common project travis
9de57ff Add godoc badge to README.md
Signed-off-by: Ace-Tang <aceapril@126.com>
113 lines
2.3 KiB
Go
113 lines
2.3 KiB
Go
/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package cgroups
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import (
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"fmt"
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specs "github.com/opencontainers/runtime-spec/specs-go"
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)
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// Name is a typed name for a cgroup subsystem
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type Name string
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const (
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Devices Name = "devices"
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Hugetlb Name = "hugetlb"
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Freezer Name = "freezer"
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Pids Name = "pids"
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NetCLS Name = "net_cls"
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NetPrio Name = "net_prio"
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PerfEvent Name = "perf_event"
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Cpuset Name = "cpuset"
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Cpu Name = "cpu"
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Cpuacct Name = "cpuacct"
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Memory Name = "memory"
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Blkio Name = "blkio"
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Rdma Name = "rdma"
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)
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// Subsystems returns a complete list of the default cgroups
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// available on most linux systems
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func Subsystems() []Name {
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n := []Name{
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Hugetlb,
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Freezer,
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Pids,
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NetCLS,
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NetPrio,
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PerfEvent,
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Cpuset,
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Cpu,
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Cpuacct,
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Memory,
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Blkio,
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Rdma,
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}
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if !isUserNS {
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n = append(n, Devices)
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}
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return n
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}
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type Subsystem interface {
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Name() Name
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}
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type pather interface {
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Subsystem
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Path(path string) string
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}
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type creator interface {
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Subsystem
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Create(path string, resources *specs.LinuxResources) error
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}
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type deleter interface {
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Subsystem
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Delete(path string) error
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}
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type stater interface {
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Subsystem
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Stat(path string, stats *Metrics) error
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}
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type updater interface {
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Subsystem
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Update(path string, resources *specs.LinuxResources) error
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}
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// SingleSubsystem returns a single cgroup subsystem within the base Hierarchy
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func SingleSubsystem(baseHierarchy Hierarchy, subsystem Name) Hierarchy {
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return func() ([]Subsystem, error) {
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subsystems, err := baseHierarchy()
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if err != nil {
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return nil, err
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}
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for _, s := range subsystems {
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if s.Name() == subsystem {
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return []Subsystem{
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s,
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}, nil
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}
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}
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return nil, fmt.Errorf("unable to find subsystem %s", subsystem)
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}
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}
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