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package
v0.29.1 Latest Latest
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 Go to latest Published: Feb 26, 2018 License: Apache-2.0 Imports: 2 Imported by: 0

Documentation

Overview

Types used for docker containers.

Index

Constants

View Source 
const (
	EventOom               EventType = "oom"
	EventOomKill                     = "oomKill"
	EventContainerCreation           = "containerCreation"
	EventContainerDeletion           = "containerDeletion"
)
View Source 
const (
	GCE             CloudProvider = "GCE"
	AWS                           = "AWS"
	Azure                         = "Azure"
	Baremetal                     = "Baremetal"
	UnknownProvider               = "Unknown"
)

Variables

This section is empty.

Functions

This section is empty.

Types

type AcceleratorStats added in v0.28.0 

type AcceleratorStats struct {
	// Make of the accelerator (nvidia, amd, google etc.)
	Make string `json:"make"`

	// Model of the accelerator (tesla-p100, tesla-k80 etc.)
	Model string `json:"model"`

	// ID of the accelerator.
	ID string `json:"id"`

	// Total accelerator memory.
	// unit: bytes
	MemoryTotal uint64 `json:"memory_total"`

	// Total accelerator memory allocated.
	// unit: bytes
	MemoryUsed uint64 `json:"memory_used"`

	// Percent of time over the past sample period during which
	// the accelerator was actively processing.
	DutyCycle uint64 `json:"duty_cycle"`
}

type Cache 

type Cache struct {
	// Size of memory cache in bytes.
	Size uint64 `json:"size"`
	// Type of memory cache: data, instruction, or unified.
	Type string `json:"type"`
	// Level (distance from cpus) in a multi-level cache hierarchy.
	Level int `json:"level"`
}

type CloudProvider 

type CloudProvider string

type ContainerInfo 

type ContainerInfo struct {
	ContainerReference

	// The direct subcontainers of the current container.
	Subcontainers []ContainerReference `json:"subcontainers,omitempty"`

	// The isolation used in the container.
	Spec ContainerSpec `json:"spec,omitempty"`

	// Historical statistics gathered from the container.
	Stats []*ContainerStats `json:"stats,omitempty"`
}

func (*ContainerInfo) Eq 

func (self *ContainerInfo) Eq(b *ContainerInfo) bool

TODO(vmarmol): Refactor to not need this equality comparison. ContainerInfo may be (un)marshaled by json or other en/decoder. In that case, the Timestamp field in each stats/sample may not be precisely en/decoded. This will lead to small but acceptable differences between a ContainerInfo and its encode-then-decode version. Eq() is used to compare two ContainerInfo accepting small difference (<10ms) of Time fields.

func (*ContainerInfo) StatsAfter 

func (self *ContainerInfo) StatsAfter(ref time.Time) []*ContainerStats

func (*ContainerInfo) StatsEndTime 

func (self *ContainerInfo) StatsEndTime() time.Time

func (*ContainerInfo) StatsStartTime 

func (self *ContainerInfo) StatsStartTime() time.Time

type ContainerInfoRequest 

type ContainerInfoRequest struct {
	// Max number of stats to return. Specify -1 for all stats currently available.
	// Default: 60
	NumStats int `json:"num_stats,omitempty"`

	// Start time for which to query information.
	// If ommitted, the beginning of time is assumed.
	Start time.Time `json:"start,omitempty"`

	// End time for which to query information.
	// If ommitted, current time is assumed.
	End time.Time `json:"end,omitempty"`
}

ContainerInfoRequest is used when users check a container info from the REST API. It specifies how much data users want to get about a container

func DefaultContainerInfoRequest 

func DefaultContainerInfoRequest() ContainerInfoRequest

Returns a ContainerInfoRequest with all default values specified.

func (*ContainerInfoRequest) Equals 

func (self *ContainerInfoRequest) Equals(other ContainerInfoRequest) bool

type ContainerReference 

type ContainerReference struct {
	// The container id
	Id string `json:"id,omitempty"`

	// The absolute name of the container. This is unique on the machine.
	Name string `json:"name"`

	// Other names by which the container is known within a certain namespace.
	// This is unique within that namespace.
	Aliases []string `json:"aliases,omitempty"`

	// Namespace under which the aliases of a container are unique.
	// An example of a namespace is "docker" for Docker containers.
	Namespace string `json:"namespace,omitempty"`

	Labels map[string]string `json:"labels,omitempty"`
}

Container reference contains enough information to uniquely identify a container

type ContainerReferenceSlice 

type ContainerReferenceSlice []ContainerReference

Sorts by container name.

func (ContainerReferenceSlice) Len 

func (self ContainerReferenceSlice) Len() int

func (ContainerReferenceSlice) Less 

func (self ContainerReferenceSlice) Less(i, j int) bool

func (ContainerReferenceSlice) Swap 

func (self ContainerReferenceSlice) Swap(i, j int)

type ContainerSpec 

type ContainerSpec struct {
	// Time at which the container was created.
	CreationTime time.Time `json:"creation_time,omitempty"`

	// Metadata labels associated with this container.
	Labels map[string]string `json:"labels,omitempty"`
	// Metadata envs associated with this container. Only whitelisted envs are added.
	Envs map[string]string `json:"envs,omitempty"`

	HasCpu bool    `json:"has_cpu"`
	Cpu    CpuSpec `json:"cpu,omitempty"`

	HasMemory bool       `json:"has_memory"`
	Memory    MemorySpec `json:"memory,omitempty"`

	HasNetwork bool `json:"has_network"`

	HasFilesystem bool `json:"has_filesystem"`

	// HasDiskIo when true, indicates that DiskIo stats will be available.
	HasDiskIo bool `json:"has_diskio"`

	HasCustomMetrics bool         `json:"has_custom_metrics"`
	CustomMetrics    []MetricSpec `json:"custom_metrics,omitempty"`

	// Image name used for this container.
	Image string `json:"image,omitempty"`
}

func (*ContainerSpec) Eq 

func (self *ContainerSpec) Eq(b *ContainerSpec) bool

type ContainerStats 

type ContainerStats struct {
	// The time of this stat point.
	Timestamp time.Time    `json:"timestamp"`
	Cpu       CpuStats     `json:"cpu,omitempty"`
	DiskIo    DiskIoStats  `json:"diskio,omitempty"`
	Memory    MemoryStats  `json:"memory,omitempty"`
	Network   NetworkStats `json:"network,omitempty"`

	// Filesystem statistics
	Filesystem []FsStats `json:"filesystem,omitempty"`

	// Task load stats
	TaskStats LoadStats `json:"task_stats,omitempty"`

	// Metrics for Accelerators. Each Accelerator corresponds to one element in the array.
	Accelerators []AcceleratorStats `json:"accelerators,omitempty"`

	// Custom metrics from all collectors
	CustomMetrics map[string][]MetricVal `json:"custom_metrics,omitempty"`
}

func (*ContainerStats) Eq 

func (a *ContainerStats) Eq(b *ContainerStats) bool

This function is useful because we do not require precise time representation.

func (*ContainerStats) StatsEq 

func (a *ContainerStats) StatsEq(b *ContainerStats) bool

Checks equality of the stats values.

type Core 

type Core struct {
	Id      int     `json:"core_id"`
	Threads []int   `json:"thread_ids"`
	Caches  []Cache `json:"caches"`
}

type CpuCFS added in v0.24.0 

type CpuCFS struct {
	// Total number of elapsed enforcement intervals.
	Periods uint64 `json:"periods"`

	// Total number of times tasks in the cgroup have been throttled.
	ThrottledPeriods uint64 `json:"throttled_periods"`

	// Total time duration for which tasks in the cgroup have been throttled.
	// Unit: nanoseconds.
	ThrottledTime uint64 `json:"throttled_time"`
}

Cpu Completely Fair Scheduler statistics.

type CpuSpec 

type CpuSpec struct {
	Limit    uint64 `json:"limit"`
	MaxLimit uint64 `json:"max_limit"`
	Mask     string `json:"mask,omitempty"`
	Quota    uint64 `json:"quota,omitempty"`
	Period   uint64 `json:"period,omitempty"`
}

type CpuStats 

type CpuStats struct {
	Usage CpuUsage `json:"usage"`
	CFS   CpuCFS   `json:"cfs"`
	// Smoothed average of number of runnable threads x 1000.
	// We multiply by thousand to avoid using floats, but preserving precision.
	// Load is smoothed over the last 10 seconds. Instantaneous value can be read
	// from LoadStats.NrRunning.
	LoadAverage int32 `json:"load_average"`
}

All CPU usage metrics are cumulative from the creation of the container

type CpuUsage 

type CpuUsage struct {
	// Total CPU usage.
	// Unit: nanoseconds.
	Total uint64 `json:"total"`

	// Per CPU/core usage of the container.
	// Unit: nanoseconds.
	PerCpu []uint64 `json:"per_cpu_usage,omitempty"`

	// Time spent in user space.
	// Unit: nanoseconds.
	User uint64 `json:"user"`

	// Time spent in kernel space.
	// Unit: nanoseconds.
	System uint64 `json:"system"`
}

CPU usage time statistics.

type DataType 

type DataType string

DataType for metric being exported. 

const (
	IntType   DataType = "int"
	FloatType DataType = "float"
)

type DiskInfo 

type DiskInfo struct {
	// device name
	Name string `json:"name"`

	// Major number
	Major uint64 `json:"major"`

	// Minor number
	Minor uint64 `json:"minor"`

	// Size in bytes
	Size uint64 `json:"size"`

	// I/O Scheduler - one of "none", "noop", "cfq", "deadline"
	Scheduler string `json:"scheduler"`
}

type DiskIoStats 

type DiskIoStats struct {
	IoServiceBytes []PerDiskStats `json:"io_service_bytes,omitempty"`
	IoServiced     []PerDiskStats `json:"io_serviced,omitempty"`
	IoQueued       []PerDiskStats `json:"io_queued,omitempty"`
	Sectors        []PerDiskStats `json:"sectors,omitempty"`
	IoServiceTime  []PerDiskStats `json:"io_service_time,omitempty"`
	IoWaitTime     []PerDiskStats `json:"io_wait_time,omitempty"`
	IoMerged       []PerDiskStats `json:"io_merged,omitempty"`
	IoTime         []PerDiskStats `json:"io_time,omitempty"`
}

type DockerImage added in v0.23.1 

type DockerImage struct {
	ID          string   `json:"id"`
	RepoTags    []string `json:"repo_tags"` // repository name and tags.
	Created     int64    `json:"created"`   // unix time since creation.
	VirtualSize int64    `json:"virtual_size"`
	Size        int64    `json:"size"`
}

type DockerStatus added in v0.23.1 

type DockerStatus struct {
	Version       string            `json:"version"`
	APIVersion    string            `json:"api_version"`
	KernelVersion string            `json:"kernel_version"`
	OS            string            `json:"os"`
	Hostname      string            `json:"hostname"`
	RootDir       string            `json:"root_dir"`
	Driver        string            `json:"driver"`
	DriverStatus  map[string]string `json:"driver_status"`
	ExecDriver    string            `json:"exec_driver"`
	NumImages     int               `json:"num_images"`
	NumContainers int               `json:"num_containers"`
}

type Event 

type Event struct {
	// the absolute container name for which the event occurred
	ContainerName string `json:"container_name"`

	// the time at which the event occurred
	Timestamp time.Time `json:"timestamp"`

	// the type of event. EventType is an enumerated type
	EventType EventType `json:"event_type"`

	// the original event object and all of its extraneous data, ex. an
	// OomInstance
	EventData EventData `json:"event_data,omitempty"`
}

Event contains information general to events such as the time at which they occurred, their specific type, and the actual event. Event types are differentiated by the EventType field of Event.

type EventData 

type EventData struct {
	// Information about an OOM kill event.
	OomKill *OomKillEventData `json:"oom,omitempty"`
}

Extra information about an event. Only one type will be set.

type EventType 

type EventType string

EventType is an enumerated type which lists the categories under which events may fall. The Event field EventType is populated by this enum.

type FsInfo 

type FsInfo struct {
	// Block device associated with the filesystem.
	Device string `json:"device"`
	// DeviceMajor is the major identifier of the device, used for correlation with blkio stats
	DeviceMajor uint64 `json:"-"`
	// DeviceMinor is the minor identifier of the device, used for correlation with blkio stats
	DeviceMinor uint64 `json:"-"`

	// Total number of bytes available on the filesystem.
	Capacity uint64 `json:"capacity"`

	// Type of device.
	Type string `json:"type"`

	// Total number of inodes available on the filesystem.
	Inodes uint64 `json:"inodes"`

	// HasInodes when true, indicates that Inodes info will be available.
	HasInodes bool `json:"has_inodes"`
}

type FsStats 

type FsStats struct {
	// The block device name associated with the filesystem.
	Device string `json:"device,omitempty"`

	// Type of the filesytem.
	Type string `json:"type"`

	// Number of bytes that can be consumed by the container on this filesystem.
	Limit uint64 `json:"capacity"`

	// Number of bytes that is consumed by the container on this filesystem.
	Usage uint64 `json:"usage"`

	// Base Usage that is consumed by the container's writable layer.
	// This field is only applicable for docker container's as of now.
	BaseUsage uint64 `json:"base_usage"`

	// Number of bytes available for non-root user.
	Available uint64 `json:"available"`

	// HasInodes when true, indicates that Inodes info will be available.
	HasInodes bool `json:"has_inodes"`

	// Number of Inodes
	Inodes uint64 `json:"inodes"`

	// Number of available Inodes
	InodesFree uint64 `json:"inodes_free"`

	// Number of reads completed
	// This is the total number of reads completed successfully.
	ReadsCompleted uint64 `json:"reads_completed"`

	// Number of reads merged
	// Reads and writes which are adjacent to each other may be merged for
	// efficiency.  Thus two 4K reads may become one 8K read before it is
	// ultimately handed to the disk, and so it will be counted (and queued)
	// as only one I/O.  This field lets you know how often this was done.
	ReadsMerged uint64 `json:"reads_merged"`

	// Number of sectors read
	// This is the total number of sectors read successfully.
	SectorsRead uint64 `json:"sectors_read"`

	// Number of milliseconds spent reading
	// This is the total number of milliseconds spent by all reads (as
	// measured from __make_request() to end_that_request_last()).
	ReadTime uint64 `json:"read_time"`

	// Number of writes completed
	// This is the total number of writes completed successfully.
	WritesCompleted uint64 `json:"writes_completed"`

	// Number of writes merged
	// See the description of reads merged.
	WritesMerged uint64 `json:"writes_merged"`

	// Number of sectors written
	// This is the total number of sectors written successfully.
	SectorsWritten uint64 `json:"sectors_written"`

	// Number of milliseconds spent writing
	// This is the total number of milliseconds spent by all writes (as
	// measured from __make_request() to end_that_request_last()).
	WriteTime uint64 `json:"write_time"`

	// Number of I/Os currently in progress
	// The only field that should go to zero. Incremented as requests are
	// given to appropriate struct request_queue and decremented as they finish.
	IoInProgress uint64 `json:"io_in_progress"`

	// Number of milliseconds spent doing I/Os
	// This field increases so long as field 9 is nonzero.
	IoTime uint64 `json:"io_time"`

	// weighted number of milliseconds spent doing I/Os
	// This field is incremented at each I/O start, I/O completion, I/O
	// merge, or read of these stats by the number of I/Os in progress
	// (field 9) times the number of milliseconds spent doing I/O since the
	// last update of this field.  This can provide an easy measure of both
	// I/O completion time and the backlog that may be accumulating.
	WeightedIoTime uint64 `json:"weighted_io_time"`
}

type HugePagesInfo added in v0.27.0 

type HugePagesInfo struct {
	// huge page size (in kB)
	PageSize uint64 `json:"page_size"`

	// number of huge pages
	NumPages uint64 `json:"num_pages"`
}

type InstanceID added in v0.22.0 

type InstanceID string
const (
	UnNamedInstance InstanceID = "None"
)

type InstanceType 

type InstanceType string
const (
	NoInstance      InstanceType = "None"
	UnknownInstance              = "Unknown"
)

type InterfaceStats 

type InterfaceStats struct {
	// The name of the interface.
	Name string `json:"name"`
	// Cumulative count of bytes received.
	RxBytes uint64 `json:"rx_bytes"`
	// Cumulative count of packets received.
	RxPackets uint64 `json:"rx_packets"`
	// Cumulative count of receive errors encountered.
	RxErrors uint64 `json:"rx_errors"`
	// Cumulative count of packets dropped while receiving.
	RxDropped uint64 `json:"rx_dropped"`
	// Cumulative count of bytes transmitted.
	TxBytes uint64 `json:"tx_bytes"`
	// Cumulative count of packets transmitted.
	TxPackets uint64 `json:"tx_packets"`
	// Cumulative count of transmit errors encountered.
	TxErrors uint64 `json:"tx_errors"`
	// Cumulative count of packets dropped while transmitting.
	TxDropped uint64 `json:"tx_dropped"`
}

type LoadStats 

type LoadStats struct {
	// Number of sleeping tasks.
	NrSleeping uint64 `json:"nr_sleeping"`

	// Number of running tasks.
	NrRunning uint64 `json:"nr_running"`

	// Number of tasks in stopped state
	NrStopped uint64 `json:"nr_stopped"`

	// Number of tasks in uninterruptible state
	NrUninterruptible uint64 `json:"nr_uninterruptible"`

	// Number of tasks waiting on IO
	NrIoWait uint64 `json:"nr_io_wait"`
}

This mirrors kernel internal structure.

type MachineInfo 

type MachineInfo struct {
	// The number of cores in this machine.
	NumCores int `json:"num_cores"`

	// Maximum clock speed for the cores, in KHz.
	CpuFrequency uint64 `json:"cpu_frequency_khz"`

	// The amount of memory (in bytes) in this machine
	MemoryCapacity uint64 `json:"memory_capacity"`

	// HugePages on this machine.
	HugePages []HugePagesInfo `json:"hugepages"`

	// The machine id
	MachineID string `json:"machine_id"`

	// The system uuid
	SystemUUID string `json:"system_uuid"`

	// The boot id
	BootID string `json:"boot_id"`

	// Filesystems on this machine.
	Filesystems []FsInfo `json:"filesystems"`

	// Disk map
	DiskMap map[string]DiskInfo `json:"disk_map"`

	// Network devices
	NetworkDevices []NetInfo `json:"network_devices"`

	// Machine Topology
	// Describes cpu/memory layout and hierarchy.
	Topology []Node `json:"topology"`

	// Cloud provider the machine belongs to.
	CloudProvider CloudProvider `json:"cloud_provider"`

	// Type of cloud instance (e.g. GCE standard) the machine is.
	InstanceType InstanceType `json:"instance_type"`

	// ID of cloud instance (e.g. instance-1) given to it by the cloud provider.
	InstanceID InstanceID `json:"instance_id"`
}

type MachineInfoFactory 

type MachineInfoFactory interface {
	GetMachineInfo() (*MachineInfo, error)
	GetVersionInfo() (*VersionInfo, error)
}

type MemorySpec 

type MemorySpec struct {
	// The amount of memory requested. Default is unlimited (-1).
	// Units: bytes.
	Limit uint64 `json:"limit,omitempty"`

	// The amount of guaranteed memory.  Default is 0.
	// Units: bytes.
	Reservation uint64 `json:"reservation,omitempty"`

	// The amount of swap space requested. Default is unlimited (-1).
	// Units: bytes.
	SwapLimit uint64 `json:"swap_limit,omitempty"`
}

type MemoryStats 

type MemoryStats struct {
	// Current memory usage, this includes all memory regardless of when it was
	// accessed.
	// Units: Bytes.
	Usage uint64 `json:"usage"`

	// Maximum memory usage recorded.
	// Units: Bytes.
	MaxUsage uint64 `json:"max_usage"`

	// Number of bytes of page cache memory.
	// Units: Bytes.
	Cache uint64 `json:"cache"`

	// The amount of anonymous and swap cache memory (includes transparent
	// hugepages).
	// Units: Bytes.
	RSS uint64 `json:"rss"`

	// The amount of swap currently used by the processes in this cgroup
	// Units: Bytes.
	Swap uint64 `json:"swap"`

	// The amount of working set memory, this includes recently accessed memory,
	// dirty memory, and kernel memory. Working set is <= "usage".
	// Units: Bytes.
	WorkingSet uint64 `json:"working_set"`

	Failcnt uint64 `json:"failcnt"`

	ContainerData    MemoryStatsMemoryData `json:"container_data,omitempty"`
	HierarchicalData MemoryStatsMemoryData `json:"hierarchical_data,omitempty"`
}

type MemoryStatsMemoryData 

type MemoryStatsMemoryData struct {
	Pgfault    uint64 `json:"pgfault"`
	Pgmajfault uint64 `json:"pgmajfault"`
}

type MetricSpec 

type MetricSpec struct {
	// The name of the metric.
	Name string `json:"name"`

	// Type of the metric.
	Type MetricType `json:"type"`

	// Data Type for the stats.
	Format DataType `json:"format"`

	// Display Units for the stats.
	Units string `json:"units"`
}

Spec for custom metric.

type MetricType 

type MetricType string

Type of metric being exported. 

const (
	// Instantaneous value. May increase or decrease.
	MetricGauge MetricType = "gauge"

	// A counter-like value that is only expected to increase.
	MetricCumulative MetricType = "cumulative"

	// Rate over a time period.
	MetricDelta MetricType = "delta"
)

type MetricVal 

type MetricVal struct {
	// Label associated with a metric
	Label string `json:"label,omitempty"`

	// Time at which the metric was queried
	Timestamp time.Time `json:"timestamp"`

	// The value of the metric at this point.
	IntValue   int64   `json:"int_value,omitempty"`
	FloatValue float64 `json:"float_value,omitempty"`
}

An exported metric.

type MetricValBasic 

type MetricValBasic struct {
	// Time at which the metric was queried
	Timestamp time.Time `json:"timestamp"`

	// The value of the metric at this point.
	IntValue   int64   `json:"int_value,omitempty"`
	FloatValue float64 `json:"float_value,omitempty"`
}

An exported metric.

type NetInfo 

type NetInfo struct {
	// Device name
	Name string `json:"name"`

	// Mac Address
	MacAddress string `json:"mac_address"`

	// Speed in MBits/s
	Speed int64 `json:"speed"`

	// Maximum Transmission Unit
	Mtu int64 `json:"mtu"`
}

type NetworkStats 

type NetworkStats struct {
	InterfaceStats `json:",inline"`
	Interfaces     []InterfaceStats `json:"interfaces,omitempty"`
	// TCP connection stats (Established, Listen...)
	Tcp TcpStat `json:"tcp"`
	// TCP6 connection stats (Established, Listen...)
	Tcp6 TcpStat `json:"tcp6"`
	// UDP connection stats
	Udp UdpStat `json:"udp"`
	// UDP6 connection stats
	Udp6 UdpStat `json:"udp6"`
}

type Node 

type Node struct {
	Id int `json:"node_id"`
	// Per-node memory
	Memory uint64  `json:"memory"`
	Cores  []Core  `json:"cores"`
	Caches []Cache `json:"caches"`
}

func (*Node) AddNodeCache 

func (self *Node) AddNodeCache(c Cache)

func (*Node) AddPerCoreCache 

func (self *Node) AddPerCoreCache(c Cache)

func (*Node) AddThread 

func (self *Node) AddThread(thread int, core int)

func (*Node) FindCore 

func (self *Node) FindCore(id int) (bool, int)

type OomKillEventData 

type OomKillEventData struct {
	// process id of the killed process
	Pid int `json:"pid"`

	// The name of the killed process
	ProcessName string `json:"process_name"`
}

Information related to an OOM kill instance

type PerDiskStats 

type PerDiskStats struct {
	Device string            `json:"device"`
	Major  uint64            `json:"major"`
	Minor  uint64            `json:"minor"`
	Stats  map[string]uint64 `json:"stats"`
}

type TcpStat 

type TcpStat struct {
	// Count of TCP connections in state "Established"
	Established uint64
	// Count of TCP connections in state "Syn_Sent"
	SynSent uint64
	// Count of TCP connections in state "Syn_Recv"
	SynRecv uint64
	// Count of TCP connections in state "Fin_Wait1"
	FinWait1 uint64
	// Count of TCP connections in state "Fin_Wait2"
	FinWait2 uint64
	// Count of TCP connections in state "Time_Wait
	TimeWait uint64
	// Count of TCP connections in state "Close"
	Close uint64
	// Count of TCP connections in state "Close_Wait"
	CloseWait uint64
	// Count of TCP connections in state "Listen_Ack"
	LastAck uint64
	// Count of TCP connections in state "Listen"
	Listen uint64
	// Count of TCP connections in state "Closing"
	Closing uint64
}

type UdpStat added in v0.26.0 

type UdpStat struct {
	// Count of UDP sockets in state "Listen"
	Listen uint64

	// Count of UDP packets dropped by the IP stack
	Dropped uint64

	// Count of packets Queued for Receieve
	RxQueued uint64

	// Count of packets Queued for Transmit
	TxQueued uint64
}

type VersionInfo 

type VersionInfo struct {
	// Kernel version.
	KernelVersion string `json:"kernel_version"`

	// OS image being used for cadvisor container, or host image if running on host directly.
	ContainerOsVersion string `json:"container_os_version"`

	// Docker version.
	DockerVersion string `json:"docker_version"`

	// Docker API Version
	DockerAPIVersion string `json:"docker_api_version"`

	// cAdvisor version.
	CadvisorVersion string `json:"cadvisor_version"`
	// cAdvisor git revision.
	CadvisorRevision string `json:"cadvisor_revision"`
}

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