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Merge pull request #1977 from Ace-Tang/network-metric

Browse Source 
shim v2: add network stat in metric
This commit is contained in:
Peng Tao 2019-08-23 19:57:28 +08:00 committed by GitHub
commit eb0a3d23d9
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GPG Key ID: 4AEE18F83AFDEB23
17 changed files with 1010 additions and 199 deletions
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4
Gopkg.lock generated
View File

@ -82,11 +82,11 @@
revision = "3a0bb77429bd3a61596f5e8a3172445844342120"
[[projects]]
digest = "1:73f5d6c006826b458d9ab942581ed24486a3b3c69f5b3e6794f8bdfe8e306080"
digest = "1:a19cf5b4189d1935451e8e965f942791f23f7b435a4177df2bba38846529d808"
name = "github.com/containerd/cgroups"
packages = ["."]
pruneopts = "NUT"
revision = "5017d4e9a9cf2d4381db99eacd9baf84b95bfb14"
revision = "c4b9ac5c7601384c965b9646fc515884e091ebb9"
[[projects]]
branch = "master"

2
Gopkg.toml
View File

@ -80,7 +80,7 @@
unused-packages = true
[[constraint]]
revision = "5017d4e9a9cf2d4381db99eacd9baf84b95bfb14"
revision = "c4b9ac5c7601384c965b9646fc515884e091ebb9"
name = "github.com/containerd/cgroups"
[[constraint]]

192
containerd-shim-v2/metrics.go
View File

@ -19,7 +19,7 @@ func marshalMetrics(s *service, containerID string) (*google_protobuf.Any, error
return nil, err
}
metrics := statsToMetrics(stats.CgroupStats)
metrics := statsToMetrics(&stats)
data, err := typeurl.MarshalAny(metrics)
if err != nil {
@ -29,42 +29,164 @@ func marshalMetrics(s *service, containerID string) (*google_protobuf.Any, error
return data, nil
}
func statsToMetrics(cgStats *vc.CgroupStats) *cgroups.Metrics {
var hugetlb []*cgroups.HugetlbStat
for pageSize, v := range cgStats.HugetlbStats {
hugetlb = append(
hugetlb,
&cgroups.HugetlbStat{
Usage: v.Usage,
Max: v.MaxUsage,
Failcnt: v.Failcnt,
Pagesize: pageSize,
})
func statsToMetrics(stats *vc.ContainerStats) *cgroups.Metrics {
metrics := &cgroups.Metrics{}
if stats.CgroupStats != nil {
metrics = &cgroups.Metrics{
Hugetlb: setHugetlbStats(stats.CgroupStats.HugetlbStats),
Pids: setPidsStats(stats.CgroupStats.PidsStats),
CPU: setCPUStats(stats.CgroupStats.CPUStats),
Memory: setMemoryStats(stats.CgroupStats.MemoryStats),
Blkio: setBlkioStats(stats.CgroupStats.BlkioStats),
}
}
var perCPU []uint64
perCPU = append(perCPU, cgStats.CPUStats.CPUUsage.PercpuUsage...)
metrics := &cgroups.Metrics{
Hugetlb: hugetlb,
Pids: &cgroups.PidsStat{
Current: cgStats.PidsStats.Current,
Limit: cgStats.PidsStats.Limit,
},
CPU: &cgroups.CPUStat{
Usage: &cgroups.CPUUsage{
Total: cgStats.CPUStats.CPUUsage.TotalUsage,
PerCPU: perCPU,
},
},
Memory: &cgroups.MemoryStat{
Cache: cgStats.MemoryStats.Cache,
Usage: &cgroups.MemoryEntry{
Limit: cgStats.MemoryStats.Usage.Limit,
Usage: cgStats.MemoryStats.Usage.Usage,
},
},
}
metrics.Network = setNetworkStats(stats.NetworkStats)
return metrics
}
func setHugetlbStats(vcHugetlb map[string]vc.HugetlbStats) []*cgroups.HugetlbStat {
var hugetlbStats []*cgroups.HugetlbStat
for _, v := range vcHugetlb {
hugetlbStats = append(
hugetlbStats,
&cgroups.HugetlbStat{
Usage: v.Usage,
Max: v.MaxUsage,
Failcnt: v.Failcnt,
})
}
return hugetlbStats
}
func setPidsStats(vcPids vc.PidsStats) *cgroups.PidsStat {
pidsStats := &cgroups.PidsStat{
Current: vcPids.Current,
Limit: vcPids.Limit,
}
return pidsStats
}
func setCPUStats(vcCPU vc.CPUStats) *cgroups.CPUStat {
var perCPU []uint64
perCPU = append(perCPU, vcCPU.CPUUsage.PercpuUsage...)
cpuStats := &cgroups.CPUStat{
Usage: &cgroups.CPUUsage{
Total: vcCPU.CPUUsage.TotalUsage,
Kernel: vcCPU.CPUUsage.UsageInKernelmode,
User: vcCPU.CPUUsage.UsageInUsermode,
PerCPU: perCPU,
},
Throttling: &cgroups.Throttle{
Periods: vcCPU.ThrottlingData.Periods,
ThrottledPeriods: vcCPU.ThrottlingData.ThrottledPeriods,
ThrottledTime: vcCPU.ThrottlingData.ThrottledTime,
},
}
return cpuStats
}
func setMemoryStats(vcMemory vc.MemoryStats) *cgroups.MemoryStat {
memoryStats := &cgroups.MemoryStat{
Usage: &cgroups.MemoryEntry{
Limit: vcMemory.Usage.Limit,
Usage: vcMemory.Usage.Usage,
Max: vcMemory.Usage.MaxUsage,
Failcnt: vcMemory.Usage.Failcnt,
},
Swap: &cgroups.MemoryEntry{
Limit: vcMemory.SwapUsage.Limit,
Usage: vcMemory.SwapUsage.Usage,
Max: vcMemory.SwapUsage.MaxUsage,
Failcnt: vcMemory.SwapUsage.Failcnt,
},
Kernel: &cgroups.MemoryEntry{
Limit: vcMemory.KernelUsage.Limit,
Usage: vcMemory.KernelUsage.Usage,
Max: vcMemory.KernelUsage.MaxUsage,
Failcnt: vcMemory.KernelUsage.Failcnt,
},
KernelTCP: &cgroups.MemoryEntry{
Limit: vcMemory.KernelTCPUsage.Limit,
Usage: vcMemory.KernelTCPUsage.Usage,
Max: vcMemory.KernelTCPUsage.MaxUsage,
Failcnt: vcMemory.KernelTCPUsage.Failcnt,
},
}
if vcMemory.UseHierarchy {
memoryStats.Cache = vcMemory.Stats["total_cache"]
memoryStats.RSS = vcMemory.Stats["total_rss"]
memoryStats.MappedFile = vcMemory.Stats["total_mapped_file"]
} else {
memoryStats.Cache = vcMemory.Stats["cache"]
memoryStats.RSS = vcMemory.Stats["rss"]
memoryStats.MappedFile = vcMemory.Stats["mapped_file"]
}
if v, ok := vcMemory.Stats["pgfault"]; ok {
memoryStats.PgFault = v
}
if v, ok := vcMemory.Stats["pgmajfault"]; ok {
memoryStats.PgMajFault = v
}
if v, ok := vcMemory.Stats["total_inactive_file"]; ok {
memoryStats.TotalInactiveFile = v
}
return memoryStats
}
func setBlkioStats(vcBlkio vc.BlkioStats) *cgroups.BlkIOStat {
blkioStats := &cgroups.BlkIOStat{
IoServiceBytesRecursive: copyBlkio(vcBlkio.IoServiceBytesRecursive),
IoServicedRecursive: copyBlkio(vcBlkio.IoServicedRecursive),
IoQueuedRecursive: copyBlkio(vcBlkio.IoQueuedRecursive),
SectorsRecursive: copyBlkio(vcBlkio.SectorsRecursive),
IoServiceTimeRecursive: copyBlkio(vcBlkio.IoServiceTimeRecursive),
IoWaitTimeRecursive: copyBlkio(vcBlkio.IoWaitTimeRecursive),
IoMergedRecursive: copyBlkio(vcBlkio.IoMergedRecursive),
IoTimeRecursive: copyBlkio(vcBlkio.IoTimeRecursive),
}
return blkioStats
}
func copyBlkio(s []vc.BlkioStatEntry) []*cgroups.BlkIOEntry {
ret := make([]*cgroups.BlkIOEntry, len(s))
for i, v := range s {
ret[i] = &cgroups.BlkIOEntry{
Op: v.Op,
Major: v.Major,
Minor: v.Minor,
Value: v.Value,
}
}
return ret
}
func setNetworkStats(vcNetwork []*vc.NetworkStats) []*cgroups.NetworkStat {
networkStats := make([]*cgroups.NetworkStat, len(vcNetwork))
for i, v := range vcNetwork {
networkStats[i] = &cgroups.NetworkStat{
Name: v.Name,
RxBytes: v.RxBytes,
RxPackets: v.RxPackets,
RxErrors: v.RxErrors,
RxDropped: v.RxDropped,
TxBytes: v.TxBytes,
TxPackets: v.TxPackets,
TxErrors: v.TxErrors,
TxDropped: v.TxDropped,
}
}
return networkStats
}

56
containerd-shim-v2/metrics_test.go Normal file
View File

@ -0,0 +1,56 @@
// Copyright (c) 2017 Intel Corporation
// Copyright (c) 2018 HyperHQ Inc.
//
// SPDX-License-Identifier: Apache-2.0
//
package containerdshim
import (
"context"
"testing"
"github.com/containerd/cgroups"
"github.com/containerd/containerd/namespaces"
vc "github.com/kata-containers/runtime/virtcontainers"
"github.com/stretchr/testify/assert"
)
func TestStatNetworkMetric(t *testing.T) {
assert := assert.New(t)
var err error
mockNetwork := []*vc.NetworkStats{
{
Name: "test-network",
RxBytes: 10,
TxBytes: 20,
},
}
expectedNetwork := []*cgroups.NetworkStat{
{
Name: "test-network",
RxBytes: 10,
TxBytes: 20,
},
}
testingImpl.StatsContainerFunc = func(ctx context.Context, sandboxID, containerID string) (vc.ContainerStats, error) {
return vc.ContainerStats{
NetworkStats: mockNetwork,
}, nil
}
defer func() {
testingImpl.StatsContainerFunc = nil
}()
ctx := namespaces.WithNamespace(context.Background(), "UnitTest")
resp, err := testingImpl.StatsContainer(ctx, testSandboxID, testContainerID)
assert.NoError(err)
metrics := statsToMetrics(&resp)
assert.Equal(expectedNetwork, metrics.Network)
}

58
vendor/github.com/containerd/cgroups/blkio.go generated vendored
View File

@ -86,6 +86,7 @@ func (b *blkioController) Stat(path string, stats *Metrics) error {
}
// Try to read CFQ stats available on all CFQ enabled kernels first
if _, err := os.Lstat(filepath.Join(b.Path(path), fmt.Sprintf("blkio.io_serviced_recursive"))); err == nil {
settings = []blkioStatSettings{}
settings = append(settings,
blkioStatSettings{
name: "sectors_recursive",
@ -191,31 +192,42 @@ func (b *blkioController) readEntry(devices map[deviceKey]string, path, name str
}
func createBlkioSettings(blkio *specs.LinuxBlockIO) []blkioSettings {
settings := []blkioSettings{
{
name: "weight",
value: blkio.Weight,
format: uintf,
},
{
name: "leaf_weight",
value: blkio.LeafWeight,
format: uintf,
},
}
for _, wd := range blkio.WeightDevice {
settings := []blkioSettings{}
if blkio.Weight != nil {
settings = append(settings,
blkioSettings{
name: "weight_device",
value: wd,
format: weightdev,
},
blkioSettings{
name: "leaf_weight_device",
value: wd,
format: weightleafdev,
name: "weight",
value: blkio.Weight,
format: uintf,
})
}
if blkio.LeafWeight != nil {
settings = append(settings,
blkioSettings{
name: "leaf_weight",
value: blkio.LeafWeight,
format: uintf,
})
}
for _, wd := range blkio.WeightDevice {
if wd.Weight != nil {
settings = append(settings,
blkioSettings{
name: "weight_device",
value: wd,
format: weightdev,
})
}
if wd.LeafWeight != nil {
settings = append(settings,
blkioSettings{
name: "leaf_weight_device",
value: wd,
format: weightleafdev,
})
}
}
for _, t := range []struct {
name string
list []specs.LinuxThrottleDevice
@ -265,12 +277,12 @@ func uintf(v interface{}) []byte {
func weightdev(v interface{}) []byte {
wd := v.(specs.LinuxWeightDevice)
return []byte(fmt.Sprintf("%d:%d %d", wd.Major, wd.Minor, wd.Weight))
return []byte(fmt.Sprintf("%d:%d %d", wd.Major, wd.Minor, *wd.Weight))
}
func weightleafdev(v interface{}) []byte {
wd := v.(specs.LinuxWeightDevice)
return []byte(fmt.Sprintf("%d:%d %d", wd.Major, wd.Minor, wd.LeafWeight))
return []byte(fmt.Sprintf("%d:%d %d", wd.Major, wd.Minor, *wd.LeafWeight))
}
func throttleddev(v interface{}) []byte {

99
vendor/github.com/containerd/cgroups/cgroup.go generated vendored
View File

@ -30,47 +30,88 @@ import (
)
// New returns a new control via the cgroup cgroups interface
func New(hierarchy Hierarchy, path Path, resources *specs.LinuxResources) (Cgroup, error) {
func New(hierarchy Hierarchy, path Path, resources *specs.LinuxResources, opts ...InitOpts) (Cgroup, error) {
config := newInitConfig()
for _, o := range opts {
if err := o(config); err != nil {
return nil, err
}
}
subsystems, err := hierarchy()
if err != nil {
return nil, err
}
var active []Subsystem
for _, s := range subsystems {
// check if subsystem exists
if err := initializeSubsystem(s, path, resources); err != nil {
if err == ErrControllerNotActive {
if config.InitCheck != nil {
if skerr := config.InitCheck(s, path, err); skerr != nil {
if skerr != ErrIgnoreSubsystem {
return nil, skerr
}
}
}
continue
}
return nil, err
}
active = append(active, s)
}
return &cgroup{
path: path,
subsystems: subsystems,
subsystems: active,
}, nil
}
// Load will load an existing cgroup and allow it to be controlled
func Load(hierarchy Hierarchy, path Path) (Cgroup, error) {
func Load(hierarchy Hierarchy, path Path, opts ...InitOpts) (Cgroup, error) {
config := newInitConfig()
for _, o := range opts {
if err := o(config); err != nil {
return nil, err
}
}
var activeSubsystems []Subsystem
subsystems, err := hierarchy()
if err != nil {
return nil, err
}
// check the the subsystems still exist
// check that the subsystems still exist, and keep only those that actually exist
for _, s := range pathers(subsystems) {
p, err := path(s.Name())
if err != nil {
if os.IsNotExist(errors.Cause(err)) {
return nil, ErrCgroupDeleted
}
if err == ErrControllerNotActive {
if config.InitCheck != nil {
if skerr := config.InitCheck(s, path, err); skerr != nil {
if skerr != ErrIgnoreSubsystem {
return nil, skerr
}
}
}
continue
}
return nil, err
}
if _, err := os.Lstat(s.Path(p)); err != nil {
if os.IsNotExist(err) {
return nil, ErrCgroupDeleted
continue
}
return nil, err
}
activeSubsystems = append(activeSubsystems, s)
}
// if we do not have any active systems then the cgroup is deleted
if len(activeSubsystems) == 0 {
return nil, ErrCgroupDeleted
}
return &cgroup{
path: path,
subsystems: subsystems,
subsystems: activeSubsystems,
}, nil
}
@ -319,6 +360,49 @@ func (c *cgroup) processes(subsystem Name, recursive bool) ([]Process, error) {
return processes, err
}
// Tasks returns the tasks running inside the cgroup along
// with the subsystem used, pid, and path
func (c *cgroup) Tasks(subsystem Name, recursive bool) ([]Task, error) {
c.mu.Lock()
defer c.mu.Unlock()
if c.err != nil {
return nil, c.err
}
return c.tasks(subsystem, recursive)
}
func (c *cgroup) tasks(subsystem Name, recursive bool) ([]Task, error) {
s := c.getSubsystem(subsystem)
sp, err := c.path(subsystem)
if err != nil {
return nil, err
}
path := s.(pather).Path(sp)
var tasks []Task
err = filepath.Walk(path, func(p string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if !recursive && info.IsDir() {
if p == path {
return nil
}
return filepath.SkipDir
}
dir, name := filepath.Split(p)
if name != cgroupTasks {
return nil
}
procs, err := readTasksPids(dir, subsystem)
if err != nil {
return err
}
tasks = append(tasks, procs...)
return nil
})
return tasks, err
}
// Freeze freezes the entire cgroup and all the processes inside it
func (c *cgroup) Freeze() error {
c.mu.Lock()
@ -413,6 +497,9 @@ func (c *cgroup) MoveTo(destination Cgroup) error {
}
for _, p := range processes {
if err := destination.Add(p); err != nil {
if strings.Contains(err.Error(), "no such process") {
continue
}
return err
}
}

11
vendor/github.com/containerd/cgroups/control.go generated vendored
View File

@ -44,6 +44,15 @@ type Process struct {
Path string
}
type Task struct {
// Subsystem is the name of the subsystem that the task is in
Subsystem Name
// Pid is the process id of the task
Pid int
// Path is the full path of the subsystem and location that the task is in
Path string
}
// Cgroup handles interactions with the individual groups to perform
// actions on them as them main interface to this cgroup package
type Cgroup interface {
@ -64,6 +73,8 @@ type Cgroup interface {
Update(resources *specs.LinuxResources) error
// Processes returns all the processes in a select subsystem for the cgroup
Processes(Name, bool) ([]Process, error)
// Tasks returns all the tasks in a select subsystem for the cgroup
Tasks(Name, bool) ([]Task, error)
// Freeze freezes or pauses all processes inside the cgroup
Freeze() error
// Thaw thaw or resumes all processes inside the cgroup

4
vendor/github.com/containerd/cgroups/memory.go generated vendored
View File

@ -281,6 +281,10 @@ func getMemorySettings(resources *specs.LinuxResources) []memorySettings {
name: "limit_in_bytes",
value: mem.Limit,
},
{
name: "soft_limit_in_bytes",
value: mem.Reservation,
},
{
name: "memsw.limit_in_bytes",
value: mem.Swap,

654
vendor/github.com/containerd/cgroups/metrics.pb.go generated vendored
View File

@ -1,6 +1,5 @@
// Code generated by protoc-gen-gogo.
// Code generated by protoc-gen-gogo. DO NOT EDIT.
// source: github.com/containerd/cgroups/metrics.proto
// DO NOT EDIT!
/*
Package cgroups is a generated protocol buffer package.
@ -21,6 +20,7 @@
BlkIOEntry
RdmaStat
RdmaEntry
NetworkStat
*/
package cgroups
@ -52,6 +52,7 @@ type Metrics struct {
Memory *MemoryStat `protobuf:"bytes,4,opt,name=memory" json:"memory,omitempty"`
Blkio *BlkIOStat `protobuf:"bytes,5,opt,name=blkio" json:"blkio,omitempty"`
Rdma *RdmaStat `protobuf:"bytes,6,opt,name=rdma" json:"rdma,omitempty"`
Network []*NetworkStat `protobuf:"bytes,7,rep,name=network" json:"network,omitempty"`
}
func (m *Metrics) Reset() { *m = Metrics{} }
@ -209,6 +210,22 @@ func (m *RdmaEntry) Reset() { *m = RdmaEntry{} }
func (*RdmaEntry) ProtoMessage() {}
func (*RdmaEntry) Descriptor() ([]byte, []int) { return fileDescriptorMetrics, []int{11} }
type NetworkStat struct {
Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
RxBytes uint64 `protobuf:"varint,2,opt,name=rx_bytes,json=rxBytes,proto3" json:"rx_bytes,omitempty"`
RxPackets uint64 `protobuf:"varint,3,opt,name=rx_packets,json=rxPackets,proto3" json:"rx_packets,omitempty"`
RxErrors uint64 `protobuf:"varint,4,opt,name=rx_errors,json=rxErrors,proto3" json:"rx_errors,omitempty"`
RxDropped uint64 `protobuf:"varint,5,opt,name=rx_dropped,json=rxDropped,proto3" json:"rx_dropped,omitempty"`
TxBytes uint64 `protobuf:"varint,6,opt,name=tx_bytes,json=txBytes,proto3" json:"tx_bytes,omitempty"`
TxPackets uint64 `protobuf:"varint,7,opt,name=tx_packets,json=txPackets,proto3" json:"tx_packets,omitempty"`
TxErrors uint64 `protobuf:"varint,8,opt,name=tx_errors,json=txErrors,proto3" json:"tx_errors,omitempty"`
TxDropped uint64 `protobuf:"varint,9,opt,name=tx_dropped,json=txDropped,proto3" json:"tx_dropped,omitempty"`
}
func (m *NetworkStat) Reset() { *m = NetworkStat{} }
func (*NetworkStat) ProtoMessage() {}
func (*NetworkStat) Descriptor() ([]byte, []int) { return fileDescriptorMetrics, []int{12} }
func init() {
proto.RegisterType((*Metrics)(nil), "io.containerd.cgroups.v1.Metrics")
proto.RegisterType((*HugetlbStat)(nil), "io.containerd.cgroups.v1.HugetlbStat")
@ -222,6 +239,7 @@ func init() {
proto.RegisterType((*BlkIOEntry)(nil), "io.containerd.cgroups.v1.BlkIOEntry")
proto.RegisterType((*RdmaStat)(nil), "io.containerd.cgroups.v1.RdmaStat")
proto.RegisterType((*RdmaEntry)(nil), "io.containerd.cgroups.v1.RdmaEntry")
proto.RegisterType((*NetworkStat)(nil), "io.containerd.cgroups.v1.NetworkStat")
}
func (m *Metrics) Marshal() (dAtA []byte, err error) {
size := m.Size()
@ -300,6 +318,18 @@ func (m *Metrics) MarshalTo(dAtA []byte) (int, error) {
}
i += n5
}
if len(m.Network) > 0 {
for _, msg := range m.Network {
dAtA[i] = 0x3a
i++
i = encodeVarintMetrics(dAtA, i, uint64(msg.Size()))
n, err := msg.MarshalTo(dAtA[i:])
if err != nil {
return 0, err
}
i += n
}
}
return i, nil
}
@ -389,21 +419,21 @@ func (m *CPUStat) MarshalTo(dAtA []byte) (int, error) {
dAtA[i] = 0xa
i++
i = encodeVarintMetrics(dAtA, i, uint64(m.Usage.Size()))
n5, err := m.Usage.MarshalTo(dAtA[i:])
n6, err := m.Usage.MarshalTo(dAtA[i:])
if err != nil {
return 0, err
}
i += n5
i += n6
}
if m.Throttling != nil {
dAtA[i] = 0x12
i++
i = encodeVarintMetrics(dAtA, i, uint64(m.Throttling.Size()))
n6, err := m.Throttling.MarshalTo(dAtA[i:])
n7, err := m.Throttling.MarshalTo(dAtA[i:])
if err != nil {
return 0, err
}
i += n6
i += n7
}
return i, nil
}
@ -439,21 +469,21 @@ func (m *CPUUsage) MarshalTo(dAtA []byte) (int, error) {
i = encodeVarintMetrics(dAtA, i, uint64(m.User))
}
if len(m.PerCPU) > 0 {
dAtA8 := make([]byte, len(m.PerCPU)*10)
var j7 int
dAtA9 := make([]byte, len(m.PerCPU)*10)
var j8 int
for _, num := range m.PerCPU {
for num >= 1<<7 {
dAtA8[j7] = uint8(uint64(num)&0x7f | 0x80)
dAtA9[j8] = uint8(uint64(num)&0x7f | 0x80)
num >>= 7
j7++
j8++
}
dAtA8[j7] = uint8(num)
j7++
dAtA9[j8] = uint8(num)
j8++
}
dAtA[i] = 0x22
i++
i = encodeVarintMetrics(dAtA, i, uint64(j7))
i += copy(dAtA[i:], dAtA8[:j7])
i = encodeVarintMetrics(dAtA, i, uint64(j8))
i += copy(dAtA[i:], dAtA9[:j8])
}
return i, nil
}
@ -706,11 +736,11 @@ func (m *MemoryStat) MarshalTo(dAtA []byte) (int, error) {
dAtA[i] = 0x2
i++
i = encodeVarintMetrics(dAtA, i, uint64(m.Usage.Size()))
n9, err := m.Usage.MarshalTo(dAtA[i:])
n10, err := m.Usage.MarshalTo(dAtA[i:])
if err != nil {
return 0, err
}
i += n9
i += n10
}
if m.Swap != nil {
dAtA[i] = 0x92
@ -718,11 +748,11 @@ func (m *MemoryStat) MarshalTo(dAtA []byte) (int, error) {
dAtA[i] = 0x2
i++
i = encodeVarintMetrics(dAtA, i, uint64(m.Swap.Size()))
n10, err := m.Swap.MarshalTo(dAtA[i:])
n11, err := m.Swap.MarshalTo(dAtA[i:])
if err != nil {
return 0, err
}
i += n10
i += n11
}
if m.Kernel != nil {
dAtA[i] = 0x9a
@ -730,11 +760,11 @@ func (m *MemoryStat) MarshalTo(dAtA []byte) (int, error) {
dAtA[i] = 0x2
i++
i = encodeVarintMetrics(dAtA, i, uint64(m.Kernel.Size()))
n11, err := m.Kernel.MarshalTo(dAtA[i:])
n12, err := m.Kernel.MarshalTo(dAtA[i:])
if err != nil {
return 0, err
}
i += n11
i += n12
}
if m.KernelTCP != nil {
dAtA[i] = 0xa2
@ -742,11 +772,11 @@ func (m *MemoryStat) MarshalTo(dAtA []byte) (int, error) {
dAtA[i] = 0x2
i++
i = encodeVarintMetrics(dAtA, i, uint64(m.KernelTCP.Size()))
n12, err := m.KernelTCP.MarshalTo(dAtA[i:])
n13, err := m.KernelTCP.MarshalTo(dAtA[i:])
if err != nil {
return 0, err
}
i += n12
i += n13
}
return i, nil
}
@ -766,7 +796,6 @@ func (m *MemoryEntry) MarshalTo(dAtA []byte) (int, error) {
_ = i
var l int
_ = l
if m.Limit != 0 {
dAtA[i] = 0x8
i++
@ -1025,24 +1054,70 @@ func (m *RdmaEntry) MarshalTo(dAtA []byte) (int, error) {
return i, nil
}
func encodeFixed64Metrics(dAtA []byte, offset int, v uint64) int {
dAtA[offset] = uint8(v)
dAtA[offset+1] = uint8(v >> 8)
dAtA[offset+2] = uint8(v >> 16)
dAtA[offset+3] = uint8(v >> 24)
dAtA[offset+4] = uint8(v >> 32)
dAtA[offset+5] = uint8(v >> 40)
dAtA[offset+6] = uint8(v >> 48)
dAtA[offset+7] = uint8(v >> 56)
return offset + 8
func (m *NetworkStat) Marshal() (dAtA []byte, err error) {
size := m.Size()
dAtA = make([]byte, size)
n, err := m.MarshalTo(dAtA)
if err != nil {
return nil, err
}
return dAtA[:n], nil
}
func encodeFixed32Metrics(dAtA []byte, offset int, v uint32) int {
dAtA[offset] = uint8(v)
dAtA[offset+1] = uint8(v >> 8)
dAtA[offset+2] = uint8(v >> 16)
dAtA[offset+3] = uint8(v >> 24)
return offset + 4
func (m *NetworkStat) MarshalTo(dAtA []byte) (int, error) {
var i int
_ = i
var l int
_ = l
if len(m.Name) > 0 {
dAtA[i] = 0xa
i++
i = encodeVarintMetrics(dAtA, i, uint64(len(m.Name)))
i += copy(dAtA[i:], m.Name)
}
if m.RxBytes != 0 {
dAtA[i] = 0x10
i++
i = encodeVarintMetrics(dAtA, i, uint64(m.RxBytes))
}
if m.RxPackets != 0 {
dAtA[i] = 0x18
i++
i = encodeVarintMetrics(dAtA, i, uint64(m.RxPackets))
}
if m.RxErrors != 0 {
dAtA[i] = 0x20
i++
i = encodeVarintMetrics(dAtA, i, uint64(m.RxErrors))
}
if m.RxDropped != 0 {
dAtA[i] = 0x28
i++
i = encodeVarintMetrics(dAtA, i, uint64(m.RxDropped))
}
if m.TxBytes != 0 {
dAtA[i] = 0x30
i++
i = encodeVarintMetrics(dAtA, i, uint64(m.TxBytes))
}
if m.TxPackets != 0 {
dAtA[i] = 0x38
i++
i = encodeVarintMetrics(dAtA, i, uint64(m.TxPackets))
}
if m.TxErrors != 0 {
dAtA[i] = 0x40
i++
i = encodeVarintMetrics(dAtA, i, uint64(m.TxErrors))
}
if m.TxDropped != 0 {
dAtA[i] = 0x48
i++
i = encodeVarintMetrics(dAtA, i, uint64(m.TxDropped))
}
return i, nil
}
func encodeVarintMetrics(dAtA []byte, offset int, v uint64) int {
for v >= 1<<7 {
dAtA[offset] = uint8(v&0x7f | 0x80)
@ -1081,6 +1156,12 @@ func (m *Metrics) Size() (n int) {
l = m.Rdma.Size()
n += 1 + l + sovMetrics(uint64(l))
}
if len(m.Network) > 0 {
for _, e := range m.Network {
l = e.Size()
n += 1 + l + sovMetrics(uint64(l))
}
}
return n
}
@ -1413,6 +1494,40 @@ func (m *RdmaEntry) Size() (n int) {
return n
}
func (m *NetworkStat) Size() (n int) {
var l int
_ = l
l = len(m.Name)
if l > 0 {
n += 1 + l + sovMetrics(uint64(l))
}
if m.RxBytes != 0 {
n += 1 + sovMetrics(uint64(m.RxBytes))
}
if m.RxPackets != 0 {
n += 1 + sovMetrics(uint64(m.RxPackets))
}
if m.RxErrors != 0 {
n += 1 + sovMetrics(uint64(m.RxErrors))
}
if m.RxDropped != 0 {
n += 1 + sovMetrics(uint64(m.RxDropped))
}
if m.TxBytes != 0 {
n += 1 + sovMetrics(uint64(m.TxBytes))
}
if m.TxPackets != 0 {
n += 1 + sovMetrics(uint64(m.TxPackets))
}
if m.TxErrors != 0 {
n += 1 + sovMetrics(uint64(m.TxErrors))
}
if m.TxDropped != 0 {
n += 1 + sovMetrics(uint64(m.TxDropped))
}
return n
}
func sovMetrics(x uint64) (n int) {
for {
n++
@ -1437,6 +1552,7 @@ func (this *Metrics) String() string {
`Memory:` + strings.Replace(fmt.Sprintf("%v", this.Memory), "MemoryStat", "MemoryStat", 1) + `,`,
`Blkio:` + strings.Replace(fmt.Sprintf("%v", this.Blkio), "BlkIOStat", "BlkIOStat", 1) + `,`,
`Rdma:` + strings.Replace(fmt.Sprintf("%v", this.Rdma), "RdmaStat", "RdmaStat", 1) + `,`,
`Network:` + strings.Replace(fmt.Sprintf("%v", this.Network), "NetworkStat", "NetworkStat", 1) + `,`,
`}`,
}, "")
return s
@ -1613,6 +1729,24 @@ func (this *RdmaEntry) String() string {
}, "")
return s
}
func (this *NetworkStat) String() string {
if this == nil {
return "nil"
}
s := strings.Join([]string{`&NetworkStat{`,
`Name:` + fmt.Sprintf("%v", this.Name) + `,`,
`RxBytes:` + fmt.Sprintf("%v", this.RxBytes) + `,`,
`RxPackets:` + fmt.Sprintf("%v", this.RxPackets) + `,`,
`RxErrors:` + fmt.Sprintf("%v", this.RxErrors) + `,`,
`RxDropped:` + fmt.Sprintf("%v", this.RxDropped) + `,`,
`TxBytes:` + fmt.Sprintf("%v", this.TxBytes) + `,`,
`TxPackets:` + fmt.Sprintf("%v", this.TxPackets) + `,`,
`TxErrors:` + fmt.Sprintf("%v", this.TxErrors) + `,`,
`TxDropped:` + fmt.Sprintf("%v", this.TxDropped) + `,`,
`}`,
}, "")
return s
}
func valueToStringMetrics(v interface{}) string {
rv := reflect.ValueOf(v)
if rv.IsNil() {
@ -1624,7 +1758,6 @@ func valueToStringMetrics(v interface{}) string {
func (m *Metrics) Unmarshal(dAtA []byte) error {
l := len(dAtA)
iNdEx := 0
for iNdEx < l {
preIndex := iNdEx
var wire uint64
@ -1847,6 +1980,37 @@ func (m *Metrics) Unmarshal(dAtA []byte) error {
return err
}
iNdEx = postIndex
case 7:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Network", wireType)
}
var msglen int
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowMetrics
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
msglen |= (int(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
if msglen < 0 {
return ErrInvalidLengthMetrics
}
postIndex := iNdEx + msglen
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Network = append(m.Network, &NetworkStat{})
if err := m.Network[len(m.Network)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
return err
}
iNdEx = postIndex
default:
iNdEx = preIndex
skippy, err := skipMetrics(dAtA[iNdEx:])
@ -4092,7 +4256,237 @@ func (m *RdmaEntry) Unmarshal(dAtA []byte) error {
}
return nil
}
func (m *NetworkStat) Unmarshal(dAtA []byte) error {
l := len(dAtA)
iNdEx := 0
for iNdEx < l {
preIndex := iNdEx
var wire uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowMetrics
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
wire |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
fieldNum := int32(wire >> 3)
wireType := int(wire & 0x7)
if wireType == 4 {
return fmt.Errorf("proto: NetworkStat: wiretype end group for non-group")
}
if fieldNum <= 0 {
return fmt.Errorf("proto: NetworkStat: illegal tag %d (wire type %d)", fieldNum, wire)
}
switch fieldNum {
case 1:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Name", wireType)
}
var stringLen uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowMetrics
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLen |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
intStringLen := int(stringLen)
if intStringLen < 0 {
return ErrInvalidLengthMetrics
}
postIndex := iNdEx + intStringLen
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Name = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
case 2:
if wireType != 0 {
return fmt.Errorf("proto: wrong wireType = %d for field RxBytes", wireType)
}
m.RxBytes = 0
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowMetrics
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
m.RxBytes |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
case 3:
if wireType != 0 {
return fmt.Errorf("proto: wrong wireType = %d for field RxPackets", wireType)
}
m.RxPackets = 0
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowMetrics
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
m.RxPackets |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
case 4:
if wireType != 0 {
return fmt.Errorf("proto: wrong wireType = %d for field RxErrors", wireType)
}
m.RxErrors = 0
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowMetrics
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
m.RxErrors |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
case 5:
if wireType != 0 {
return fmt.Errorf("proto: wrong wireType = %d for field RxDropped", wireType)
}
m.RxDropped = 0
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowMetrics
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
m.RxDropped |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
case 6:
if wireType != 0 {
return fmt.Errorf("proto: wrong wireType = %d for field TxBytes", wireType)
}
m.TxBytes = 0
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowMetrics
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
m.TxBytes |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
case 7:
if wireType != 0 {
return fmt.Errorf("proto: wrong wireType = %d for field TxPackets", wireType)
}
m.TxPackets = 0
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowMetrics
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
m.TxPackets |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
case 8:
if wireType != 0 {
return fmt.Errorf("proto: wrong wireType = %d for field TxErrors", wireType)
}
m.TxErrors = 0
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowMetrics
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
m.TxErrors |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
case 9:
if wireType != 0 {
return fmt.Errorf("proto: wrong wireType = %d for field TxDropped", wireType)
}
m.TxDropped = 0
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowMetrics
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
m.TxDropped |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
default:
iNdEx = preIndex
skippy, err := skipMetrics(dAtA[iNdEx:])
if err != nil {
return err
}
if skippy < 0 {
return ErrInvalidLengthMetrics
}
if (iNdEx + skippy) > l {
return io.ErrUnexpectedEOF
}
iNdEx += skippy
}
}
if iNdEx > l {
return io.ErrUnexpectedEOF
}
return nil
}
func skipMetrics(dAtA []byte) (n int, err error) {
l := len(dAtA)
iNdEx := 0
@ -4201,88 +4595,102 @@ var (
func init() { proto.RegisterFile("github.com/containerd/cgroups/metrics.proto", fileDescriptorMetrics) }
var fileDescriptorMetrics = []byte{
// 1325 bytes of a gzipped FileDescriptorProto
// 1549 bytes of a gzipped FileDescriptorProto
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0xdb, 0x1a, 0x54, 0x7b, 0x1e, 0x76, 0x7b, 0x38, 0xe8, 0xf6, 0x89, 0xee, 0x10, 0xe7, 0x1c, 0xe8,
0x79, 0xf8, 0xb9, 0x9e, 0x49, 0x01, 0xac, 0x73, 0x44, 0x3c, 0x11, 0xa9, 0xa2, 0x68, 0xc0, 0x4b,
0x3d, 0x53, 0xff, 0x65, 0x0a, 0xaa, 0xc6, 0x9f, 0x8b, 0xec, 0xa1, 0x03, 0x3c, 0x48, 0xe3, 0xa8,
0x67, 0xd9, 0xb1, 0xf1, 0xa1, 0xfe, 0x96, 0x24, 0x9f, 0xa9, 0x32, 0x1f, 0xaa, 0x8f, 0x02, 0xba,
0x0d, 0xc0, 0x87, 0x6e, 0x88, 0xbd, 0x63, 0x92, 0xc8, 0x97, 0x1c, 0x8b, 0x0f, 0x5b, 0x7a, 0x02,
0xdd, 0x04, 0x8b, 0x0f, 0x5d, 0xc2, 0x39, 0xe3, 0x51, 0x52, 0xfb, 0x0a, 0x1f, 0x3e, 0x55, 0xe3,
0x84, 0xdb, 0xe5, 0x4c, 0xf6, 0x02, 0xc9, 0x3b, 0xb0, 0xf8, 0xf0, 0x89, 0x9e, 0x90, 0x51, 0x45,
0x1a, 0x55, 0xb7, 0x9e, 0x65, 0x91, 0x47, 0x15, 0x79, 0x54, 0xdd, 0x7a, 0x5a, 0xc2, 0x8c, 0x2a,
0xb2, 0xa8, 0xba, 0xfb, 0xac, 0x08, 0x23, 0xaa, 0xc8, 0xa3, 0x5a, 0x29, 0x37, 0x89, 0xda, 0xb4,
0xdf, 0xbd, 0x5f, 0xbb, 0xf2, 0xc7, 0xfb, 0xb5, 0x2b, 0x3f, 0x8e, 0xd6, 0x0a, 0xef, 0x46, 0x6b,
0x85, 0xdf, 0x46, 0x6b, 0x85, 0xbf, 0x46, 0x6b, 0x85, 0xce, 0x8c, 0xfa, 0x0d, 0xff, 0xff, 0xdf,
0x01, 0x00, 0x00, 0xff, 0xff, 0x19, 0x9d, 0xe2, 0xd3, 0xe5, 0x0f, 0x00, 0x00,
}

2
vendor/github.com/containerd/cgroups/net_prio.go generated vendored
View File

@ -50,7 +50,7 @@ func (n *netprioController) Create(path string, resources *specs.LinuxResources)
if resources.Network != nil {
for _, prio := range resources.Network.Priorities {
if err := ioutil.WriteFile(
filepath.Join(n.Path(path), "net_prio_ifpriomap"),
filepath.Join(n.Path(path), "net_prio.ifpriomap"),
formatPrio(prio.Name, prio.Priority),
defaultFilePerm,
); err != nil {

61
vendor/github.com/containerd/cgroups/opts.go generated vendored Normal file
View File

@ -0,0 +1,61 @@
/*
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 (
"github.com/pkg/errors"
)
var (
// ErrIgnoreSubsystem allows the specific subsystem to be skipped
ErrIgnoreSubsystem = errors.New("skip subsystem")
// ErrDevicesRequired is returned when the devices subsystem is required but
// does not exist or is not active
ErrDevicesRequired = errors.New("devices subsystem is required")
)
// InitOpts allows configuration for the creation or loading of a cgroup
type InitOpts func(*InitConfig) error
// InitConfig provides configuration options for the creation
// or loading of a cgroup and its subsystems
type InitConfig struct {
// InitCheck can be used to check initialization errors from the subsystem
InitCheck InitCheck
}
func newInitConfig() *InitConfig {
return &InitConfig{
InitCheck: RequireDevices,
}
}
// InitCheck allows subsystems errors to be checked when initialized or loaded
type InitCheck func(Subsystem, Path, error) error
// AllowAny allows any subsystem errors to be skipped
func AllowAny(s Subsystem, p Path, err error) error {
return ErrIgnoreSubsystem
}
// RequireDevices requires the device subsystem but no others
func RequireDevices(s Subsystem, p Path, err error) error {
if s.Name() == Devices {
return ErrDevicesRequired
}
return ErrIgnoreSubsystem
}

5
vendor/github.com/containerd/cgroups/paths.go generated vendored
View File

@ -57,6 +57,9 @@ func PidPath(pid int) Path {
return existingPath(paths, "")
}
// ErrControllerNotActive is returned when a controller is not supported or enabled
var ErrControllerNotActive = errors.New("controller is not supported")
func existingPath(paths map[string]string, suffix string) Path {
// localize the paths based on the root mount dest for nested cgroups
for n, p := range paths {
@ -77,7 +80,7 @@ func existingPath(paths map[string]string, suffix string) Path {
root, ok := paths[string(name)]
if !ok {
if root, ok = paths[fmt.Sprintf("name=%s", name)]; !ok {
return "", fmt.Errorf("unable to find %q in controller set", name)
return "", ErrControllerNotActive
}
}
if suffix != "" {

2
vendor/github.com/containerd/cgroups/subsystem.go generated vendored
View File

@ -42,7 +42,7 @@ const (
)
// Subsystems returns a complete list of the default cgroups
// avaliable on most linux systems
// available on most linux systems
func Subsystems() []Name {
n := []Name{
Hugetlb,

2
vendor/github.com/containerd/cgroups/systemd.go generated vendored
View File

@ -34,7 +34,7 @@ const (
var (
canDelegate bool
once sync.Once
once sync.Once
)
func Systemd() ([]Subsystem, error) {

31
vendor/github.com/containerd/cgroups/utils.go generated vendored
View File

@ -111,7 +111,7 @@ func remove(path string) error {
return fmt.Errorf("cgroups: unable to remove path %q", path)
}
// readPids will read all the pids in a cgroup by the provided path
// readPids will read all the pids of processes in a cgroup by the provided path
func readPids(path string, subsystem Name) ([]Process, error) {
f, err := os.Open(filepath.Join(path, cgroupProcs))
if err != nil {
@ -138,10 +138,37 @@ func readPids(path string, subsystem Name) ([]Process, error) {
return out, nil
}
// readTasksPids will read all the pids of tasks in a cgroup by the provided path
func readTasksPids(path string, subsystem Name) ([]Task, error) {
f, err := os.Open(filepath.Join(path, cgroupTasks))
if err != nil {
return nil, err
}
defer f.Close()
var (
out []Task
s = bufio.NewScanner(f)
)
for s.Scan() {
if t := s.Text(); t != "" {
pid, err := strconv.Atoi(t)
if err != nil {
return nil, err
}
out = append(out, Task{
Pid: pid,
Subsystem: subsystem,
Path: path,
})
}
}
return out, nil
}
func hugePageSizes() ([]string, error) {
var (
pageSizes []string
sizeList = []string{"B", "kB", "MB", "GB", "TB", "PB"}
sizeList = []string{"B", "KB", "MB", "GB", "TB", "PB"}
)
files, err := ioutil.ReadDir("/sys/kernel/mm/hugepages")
if err != nil {

8
virtcontainers/cgroups_test.go
View File

@ -72,11 +72,15 @@ func (m *mockCgroup) Subsystems() []cgroups.Subsystem {
return nil
}
func mockCgroupNew(hierarchy cgroups.Hierarchy, path cgroups.Path, resources *specs.LinuxResources) (cgroups.Cgroup, error) {
func (m *mockCgroup) Tasks(cgroups.Name, bool) ([]cgroups.Task, error) {
return nil, nil
}
func mockCgroupNew(hierarchy cgroups.Hierarchy, path cgroups.Path, resources *specs.LinuxResources, opts ...cgroups.InitOpts) (cgroups.Cgroup, error) {
return &mockCgroup{}, nil
}
func mockCgroupLoad(hierarchy cgroups.Hierarchy, path cgroups.Path) (cgroups.Cgroup, error) {
func mockCgroupLoad(hierarchy cgroups.Hierarchy, path cgroups.Path, opts ...cgroups.InitOpts) (cgroups.Cgroup, error) {
return &mockCgroup{}, nil
}

18
virtcontainers/container.go
View File

@ -194,9 +194,25 @@ type CgroupStats struct {
HugetlbStats map[string]HugetlbStats `json:"hugetlb_stats,omitempty"`
}
// NetworkStats describe all network stats.
type NetworkStats struct {
// Name is the name of the network interface.
Name string `json:"name,omitempty"`
RxBytes uint64 `json:"rx_bytes,omitempty"`
RxPackets uint64 `json:"rx_packets,omitempty"`
RxErrors uint64 `json:"rx_errors,omitempty"`
RxDropped uint64 `json:"rx_dropped,omitempty"`
TxBytes uint64 `json:"tx_bytes,omitempty"`
TxPackets uint64 `json:"tx_packets,omitempty"`
TxErrors uint64 `json:"tx_errors,omitempty"`
TxDropped uint64 `json:"tx_dropped,omitempty"`
}
// ContainerStats describes a container stats.
type ContainerStats struct {
CgroupStats *CgroupStats
CgroupStats *CgroupStats
NetworkStats []*NetworkStats
}
// ContainerResources describes container resources