container

type BlkioStatEntry struct {
	Major uint64 `json:"major,omitempty"`
	Minor uint64 `json:"minor,omitempty"`
	Op    string `json:"op,omitempty"`
	Value uint64 `json:"value,omitempty"`
}

type BlkioStats struct {
	// number of bytes tranferred to and from the block device
	IoServiceBytesRecursive []BlkioStatEntry `json:"io_service_bytes_recursive,omitempty"`
	IoServicedRecursive     []BlkioStatEntry `json:"io_serviced_recursive,omitempty"`
	IoQueuedRecursive       []BlkioStatEntry `json:"io_queue_recursive,omitempty"`
	IoServiceTimeRecursive  []BlkioStatEntry `json:"io_service_time_recursive,omitempty"`
	IoWaitTimeRecursive     []BlkioStatEntry `json:"io_wait_time_recursive,omitempty"`
	IoMergedRecursive       []BlkioStatEntry `json:"io_merged_recursive,omitempty"`
	IoTimeRecursive         []BlkioStatEntry `json:"io_time_recursive,omitempty"`
	SectorsRecursive        []BlkioStatEntry `json:"sectors_recursive,omitempty"`
}

type Cgroups struct {
	CpuStats     CpuStats                `json:"cpu_stats,omitempty"`
	MemoryStats  MemoryStats             `json:"memory_stats,omitempty"`
	BlkioStats   BlkioStats              `json:"blkio_stats, omitempty"`
	HugetlbStats map[string]HugetlbStats `json:"hugetlb_stats,omitempty"`
	PidsStats    PidsStats               `json:"pids_stats,omitempty"`
	CpuSetStats  CpuSetStats             `json:"cpuset_stats,omitempty"`
}

type ContainerData struct {
	ID string `json:"-"`
	// Basic info about the container (status, creation time, image name, etc.)
	Specification Specification `json:"spec,omitempty"`

	// Container's statistics (cpu usage, memory usage, network stats, etc.)
	Stats *Statistics `json:"stats,omitempty"`
}

type CpuSetStats struct {
	Cpus            string `json:"cpus,omitempty"`
	Mems            string `json:"mems,omitempty"`
	MemoryMigrate   uint64 `json:"memory_migrate,omitempty"`
	CpuExclusive    uint64 `json:"cpu_exclusive,omitempty"`
	MemoryExclusive uint64 `json:"memory_exclusive,omitempty"`
}

type CpuStats struct {
	CpuUsage       CpuUsage       `json:"cpu_usage,omitempty"`
	ThrottlingData ThrottlingData `json:"throttling_data,omitempty"`
	CpuShares      uint64         `json:"cpu_shares,omitempty"`
}

type CpuUsage struct {
	Total      uint64   `json:"total,omitempty"`
	UserMode   uint64   `json:"user_mode,omitempty"`
	KernelMode uint64   `json:"kernel_mode,omitempty"`
	PerCpu     []uint64 `json:"per_cpu,omitempty"`
}

type DockerClient struct {
	// contains filtered or unexported fields
}

type DockerClientInterface interface {
	ListContainersAsMap() (map[string]*ContainerData, error)
	InspectContainer(string) (*docker.Container, error)
	FindCgroupMountpoint(string, string) (string, error)
	FindControllerMountpoint(string, string, string) (string, error)
	GetDockerParams(...string) (map[string]string, error)
}

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

	// Type of the filesystem
	Type string `json:"type,omitempty"`

	// Number of bytes that can be consumed on this filesystem
	Limit uint64 `json:"capacity,omitempty"`

	// Number of bytes that is consumed on this filesystem
	Usage uint64 `json:"usage,omitempty"`

	// Base Usage that is consumed by the container's writable layer
	BaseUsage uint64 `json:"base_usage,omitempty"`

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

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

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

	// This is the total number of reads merged successfully. This field lets you know how often this was done
	ReadsMerged uint64 `json:"reads_merged,omitempty"`

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

	// This is the total number of milliseconds spent reading
	ReadTime uint64 `json:"read_time,omitempty"`

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

	// This is the total number of writes merged successfully
	WritesMerged uint64 `json:"writes_merged,omitempty"`

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

	// This is the total number of milliseconds spent writing
	WriteTime uint64 `json:"write_time,omitempty"`

	// Number of I/Os currently in progress
	IoInProgress uint64 `json:"io_in_progress,omitempty"`

	// Number of milliseconds spent doing I/Os
	IoTime uint64 `json:"io_time,omitempty"`

	// 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,omitempty"`
}

type GetStatOpt map[string]interface{}

type HugetlbStats struct {
	// current res_counter usage for hugetlb
	Usage uint64 `json:"usage,omitempty"`
	// maximum usage ever recorded.
	MaxUsage uint64 `json:"max_usage,omitempty"`
	// number of times htgetlb usage allocation failure.
	Failcnt uint64 `json:"failcnt,omitempty"`
}

type MemoryData struct {
	Usage    uint64 `json:"usage,omitempty"`
	MaxUsage uint64 `json:"max_usage,omitempty"`
	Failcnt  uint64 `json:"failcnt,omitempty"`
}

type MemoryStats struct {
	Cache       uint64            `json:"cache,omitempty"`
	Usage       MemoryData        `json:"usage,omitempty"`
	SwapUsage   MemoryData        `json:"swap_usage,omitempty"`
	KernelUsage MemoryData        `json:"kernel_usage,omitempty"`
	Stats       map[string]uint64 `json:"statistics,omitempty"`
}

type NetworkInterface struct {
	// Name is the name of the network interface.
	Name string `json:"-"`

	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"`
}

type PidsStats struct {
	Current uint64 `json:"current,omitempty"`
	Limit   uint64 `json:"limit,omitempty"`
}

type Specification struct {
	Status     string            `json:"status,omitempty"`
	Created    string            `json:"creation_time,omitempty"`
	Image      string            `json:"image_name,omitempty"`
	SizeRw     int64             `json:"size_rw,omitempty"`
	SizeRootFs int64             `json:"size_root_fs,omitempty"`
	Labels     map[string]string `json:"labels,omitempty"`
}

type StatGetter interface {
	GetStats(*Statistics, GetStatOpt) error
}

type Statistics struct {
	Cgroups    *Cgroups                       `json:"cgroups,omitempty"`
	Network    []NetworkInterface             `json:"network,omitempty"`
	Connection TcpInterface                   `json:"connection,omitempty"`
	Filesystem map[string]FilesystemInterface `json:"filesystem,omitempty"`
}

type TcpInterface struct {
	Tcp  TcpStat `json:"tcp,omitempty"`  // TCP connection stats (Established, Listen, etc.)
	Tcp6 TcpStat `json:"tcp6,omitempty"` // TCP6 connection stats (Established, Listen, etc.)
}

type TcpStat struct {
	//Count of TCP connections in state "Established"
	Established uint64 `json:"established,omitempty"`
	//Count of TCP connections in state "Syn_Sent"
	SynSent uint64 `json:"syn_sent,omitempty"`
	//Count of TCP connections in state "Syn_Recv"
	SynRecv uint64 `json:"syn_recv,omitempty"`
	//Count of TCP connections in state "Fin_Wait1"
	FinWait1 uint64 `json:"fin_wait1,omitempty"`
	//Count of TCP connections in state "Fin_Wait2"
	FinWait2 uint64 `json:"fin_wait2,omitempty"`
	//Count of TCP connections in state "Time_Wait
	TimeWait uint64 `json:"time_wait,omitempty"`
	//Count of TCP connections in state "Close"
	Close uint64 `json:"close,omitempty"`
	//Count of TCP connections in state "Close_Wait"
	CloseWait uint64 `json:"close_wait,omitempty"`
	//Count of TCP connections in state "Listen_Ack"
	LastAck uint64 `json:"last_ack,omitempty"`
	//Count of TCP connections in state "Listen"
	Listen uint64 `json:"listen,omitempty"`
	//Count of TCP connections in state "Closing"
	Closing uint64 `json:"closing,omitempty"`
}

type ThrottlingData struct {
	NrPeriods     uint64 `json:"nr_periods,omitempty"`
	NrThrottled   uint64 `json:"nr_throttled,omitempty"`
	ThrottledTime uint64 `json:"throttled_time,omitempty"`
}