docker

Documentation

Overview

The following code is from https://github.com/fsouza/go-dockerclient/ Copyright (c) 2013-2021, go-dockerclient authors

Index

• func NormalizeNamed(s string) (string, error)
• type BlkioStatsEntry
• type CPUStats
• type Client
  • func NewClient(ctx context.Context) (Client, error)
• type NetworkStats
• type Stats

Functions

func NormalizeNamed

func NormalizeNamed(s string) (string, error)

Normalize the name accord the spec of docker, It may support normalize imagea and container in the future.

Types

type BlkioStatsEntry

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

BlkioStatsEntry is a stats entry for blkio_stats

type CPUStats

type CPUStats struct {
	CPUUsage struct {
		PercpuUsage       []uint64 `json:"percpu_usage,omitempty" yaml:"percpu_usage,omitempty" toml:"percpu_usage,omitempty"`
		UsageInUsermode   uint64   `json:"usage_in_usermode,omitempty" yaml:"usage_in_usermode,omitempty" toml:"usage_in_usermode,omitempty"`
		TotalUsage        uint64   `json:"total_usage,omitempty" yaml:"total_usage,omitempty" toml:"total_usage,omitempty"`
		UsageInKernelmode uint64   `json:"usage_in_kernelmode,omitempty" yaml:"usage_in_kernelmode,omitempty" toml:"usage_in_kernelmode,omitempty"`
	} `json:"cpu_usage,omitempty" yaml:"cpu_usage,omitempty" toml:"cpu_usage,omitempty"`
	SystemCPUUsage uint64 `json:"system_cpu_usage,omitempty" yaml:"system_cpu_usage,omitempty" toml:"system_cpu_usage,omitempty"`
	OnlineCPUs     uint64 `json:"online_cpus,omitempty" yaml:"online_cpus,omitempty" toml:"online_cpus,omitempty"`
	ThrottlingData struct {
		Periods          uint64 `json:"periods,omitempty"`
		ThrottledPeriods uint64 `json:"throttled_periods,omitempty"`
		ThrottledTime    uint64 `json:"throttled_time,omitempty"`
	} `json:"throttling_data,omitempty" yaml:"throttling_data,omitempty" toml:"throttling_data,omitempty"`
}

CPUStats is a stats entry for cpu stats

type Client

type Client interface {
	// Load loads the image from the reader to the docker host.
	Load(ctx context.Context, r io.ReadCloser, quiet bool) error
	// StartEnvd creates the container for the given tag and container name.
	StartEnvd(ctx context.Context, tag, name, buildContext string,
		gpuEnabled bool, numGPUs int, sshPort int, g ir.Graph, timeout time.Duration,
		mountOptionsStr []string) (string, string, error)
	StartBuildkitd(ctx context.Context, tag, name, mirror string) (string, error)
	CleanEnvdIfExists(ctx context.Context, name string, force bool) error

	IsRunning(ctx context.Context, name string) (bool, error)
	Exists(ctx context.Context, name string) (bool, error)
	WaitUntilRunning(ctx context.Context, name string, timeout time.Duration) error

	Exec(ctx context.Context, cname string, cmd []string) error
	Destroy(ctx context.Context, name string) (string, error)

	ListContainer(ctx context.Context) ([]types.Container, error)
	GetContainer(ctx context.Context, cname string) (types.ContainerJSON, error)
	PauseContainer(ctx context.Context, name string) (string, error)
	ResumeContainer(ctx context.Context, name string) (string, error)

	ListImage(ctx context.Context) ([]types.ImageSummary, error)
	GetImage(ctx context.Context, image string) (types.ImageSummary, error)
	GetImageWithCacheHashLabel(ctx context.Context, image string, hash string) (types.ImageSummary, error)
	RemoveImage(ctx context.Context, image string) error

	GetInfo(ctx context.Context) (types.Info, error)
	Stats(ctx context.Context, cname string, statChan chan<- *Stats, done <-chan bool) error

	// GPUEnabled returns true if nvidia container runtime exists in docker daemon.
	GPUEnabled(ctx context.Context) (bool, error)
}

func NewClient

func NewClient(ctx context.Context) (Client, error)

type NetworkStats

type NetworkStats struct {
	RxDropped uint64 `json:"rx_dropped,omitempty" yaml:"rx_dropped,omitempty" toml:"rx_dropped,omitempty"`
	RxBytes   uint64 `json:"rx_bytes,omitempty" yaml:"rx_bytes,omitempty" toml:"rx_bytes,omitempty"`
	RxErrors  uint64 `json:"rx_errors,omitempty" yaml:"rx_errors,omitempty" toml:"rx_errors,omitempty"`
	TxPackets uint64 `json:"tx_packets,omitempty" yaml:"tx_packets,omitempty" toml:"tx_packets,omitempty"`
	TxDropped uint64 `json:"tx_dropped,omitempty" yaml:"tx_dropped,omitempty" toml:"tx_dropped,omitempty"`
	RxPackets uint64 `json:"rx_packets,omitempty" yaml:"rx_packets,omitempty" toml:"rx_packets,omitempty"`
	TxErrors  uint64 `json:"tx_errors,omitempty" yaml:"tx_errors,omitempty" toml:"tx_errors,omitempty"`
	TxBytes   uint64 `json:"tx_bytes,omitempty" yaml:"tx_bytes,omitempty" toml:"tx_bytes,omitempty"`
}

NetworkStats is a stats entry for network stats

type Stats

type Stats struct {
	Read      time.Time `json:"read,omitempty" yaml:"read,omitempty" toml:"read,omitempty"`
	PreRead   time.Time `json:"preread,omitempty" yaml:"preread,omitempty" toml:"preread,omitempty"`
	NumProcs  uint32    `json:"num_procs" yaml:"num_procs" toml:"num_procs"`
	PidsStats struct {
		Current uint64 `json:"current,omitempty" yaml:"current,omitempty"`
	} `json:"pids_stats,omitempty" yaml:"pids_stats,omitempty" toml:"pids_stats,omitempty"`
	Network     NetworkStats            `json:"network,omitempty" yaml:"network,omitempty" toml:"network,omitempty"`
	Networks    map[string]NetworkStats `json:"networks,omitempty" yaml:"networks,omitempty" toml:"networks,omitempty"`
	MemoryStats struct {
		Stats struct {
			TotalPgmafault          uint64 `json:"total_pgmafault,omitempty" yaml:"total_pgmafault,omitempty" toml:"total_pgmafault,omitempty"`
			Cache                   uint64 `json:"cache,omitempty" yaml:"cache,omitempty" toml:"cache,omitempty"`
			MappedFile              uint64 `json:"mapped_file,omitempty" yaml:"mapped_file,omitempty" toml:"mapped_file,omitempty"`
			TotalInactiveFile       uint64 `json:"total_inactive_file,omitempty" yaml:"total_inactive_file,omitempty" toml:"total_inactive_file,omitempty"`
			Pgpgout                 uint64 `json:"pgpgout,omitempty" yaml:"pgpgout,omitempty" toml:"pgpgout,omitempty"`
			Rss                     uint64 `json:"rss,omitempty" yaml:"rss,omitempty" toml:"rss,omitempty"`
			TotalMappedFile         uint64 `json:"total_mapped_file,omitempty" yaml:"total_mapped_file,omitempty" toml:"total_mapped_file,omitempty"`
			Writeback               uint64 `json:"writeback,omitempty" yaml:"writeback,omitempty" toml:"writeback,omitempty"`
			Unevictable             uint64 `json:"unevictable,omitempty" yaml:"unevictable,omitempty" toml:"unevictable,omitempty"`
			Pgpgin                  uint64 `json:"pgpgin,omitempty" yaml:"pgpgin,omitempty" toml:"pgpgin,omitempty"`
			TotalUnevictable        uint64 `json:"total_unevictable,omitempty" yaml:"total_unevictable,omitempty" toml:"total_unevictable,omitempty"`
			Pgmajfault              uint64 `json:"pgmajfault,omitempty" yaml:"pgmajfault,omitempty" toml:"pgmajfault,omitempty"`
			TotalRss                uint64 `json:"total_rss,omitempty" yaml:"total_rss,omitempty" toml:"total_rss,omitempty"`
			TotalRssHuge            uint64 `json:"total_rss_huge,omitempty" yaml:"total_rss_huge,omitempty" toml:"total_rss_huge,omitempty"`
			TotalWriteback          uint64 `json:"total_writeback,omitempty" yaml:"total_writeback,omitempty" toml:"total_writeback,omitempty"`
			TotalInactiveAnon       uint64 `json:"total_inactive_anon,omitempty" yaml:"total_inactive_anon,omitempty" toml:"total_inactive_anon,omitempty"`
			RssHuge                 uint64 `json:"rss_huge,omitempty" yaml:"rss_huge,omitempty" toml:"rss_huge,omitempty"`
			HierarchicalMemoryLimit uint64 `` /* 128-byte string literal not displayed */
			TotalPgfault            uint64 `json:"total_pgfault,omitempty" yaml:"total_pgfault,omitempty" toml:"total_pgfault,omitempty"`
			TotalActiveFile         uint64 `json:"total_active_file,omitempty" yaml:"total_active_file,omitempty" toml:"total_active_file,omitempty"`
			ActiveAnon              uint64 `json:"active_anon,omitempty" yaml:"active_anon,omitempty" toml:"active_anon,omitempty"`
			TotalActiveAnon         uint64 `json:"total_active_anon,omitempty" yaml:"total_active_anon,omitempty" toml:"total_active_anon,omitempty"`
			TotalPgpgout            uint64 `json:"total_pgpgout,omitempty" yaml:"total_pgpgout,omitempty" toml:"total_pgpgout,omitempty"`
			TotalCache              uint64 `json:"total_cache,omitempty" yaml:"total_cache,omitempty" toml:"total_cache,omitempty"`
			InactiveAnon            uint64 `json:"inactive_anon,omitempty" yaml:"inactive_anon,omitempty" toml:"inactive_anon,omitempty"`
			ActiveFile              uint64 `json:"active_file,omitempty" yaml:"active_file,omitempty" toml:"active_file,omitempty"`
			Pgfault                 uint64 `json:"pgfault,omitempty" yaml:"pgfault,omitempty" toml:"pgfault,omitempty"`
			InactiveFile            uint64 `json:"inactive_file,omitempty" yaml:"inactive_file,omitempty" toml:"inactive_file,omitempty"`
			TotalPgpgin             uint64 `json:"total_pgpgin,omitempty" yaml:"total_pgpgin,omitempty" toml:"total_pgpgin,omitempty"`
			HierarchicalMemswLimit  uint64 `json:"hierarchical_memsw_limit,omitempty" yaml:"hierarchical_memsw_limit,omitempty" toml:"hierarchical_memsw_limit,omitempty"`
			Swap                    uint64 `json:"swap,omitempty" yaml:"swap,omitempty" toml:"swap,omitempty"`
		} `json:"stats,omitempty" yaml:"stats,omitempty" toml:"stats,omitempty"`
		MaxUsage          uint64 `json:"max_usage,omitempty" yaml:"max_usage,omitempty" toml:"max_usage,omitempty"`
		Usage             uint64 `json:"usage,omitempty" yaml:"usage,omitempty" toml:"usage,omitempty"`
		Failcnt           uint64 `json:"failcnt,omitempty" yaml:"failcnt,omitempty" toml:"failcnt,omitempty"`
		Limit             uint64 `json:"limit,omitempty" yaml:"limit,omitempty" toml:"limit,omitempty"`
		Commit            uint64 `json:"commitbytes,omitempty" yaml:"commitbytes,omitempty" toml:"privateworkingset,omitempty"`
		CommitPeak        uint64 `json:"commitpeakbytes,omitempty" yaml:"commitpeakbytes,omitempty" toml:"commitpeakbytes,omitempty"`
		PrivateWorkingSet uint64 `json:"privateworkingset,omitempty" yaml:"privateworkingset,omitempty" toml:"privateworkingset,omitempty"`
	} `json:"memory_stats,omitempty" yaml:"memory_stats,omitempty" toml:"memory_stats,omitempty"`
	BlkioStats struct {
		IOServiceBytesRecursive []BlkioStatsEntry `` /* 131-byte string literal not displayed */
		IOServicedRecursive     []BlkioStatsEntry `json:"io_serviced_recursive,omitempty" yaml:"io_serviced_recursive,omitempty" toml:"io_serviced_recursive,omitempty"`
		IOQueueRecursive        []BlkioStatsEntry `json:"io_queue_recursive,omitempty" yaml:"io_queue_recursive,omitempty" toml:"io_queue_recursive,omitempty"`
		IOServiceTimeRecursive  []BlkioStatsEntry `` /* 128-byte string literal not displayed */
		IOWaitTimeRecursive     []BlkioStatsEntry `json:"io_wait_time_recursive,omitempty" yaml:"io_wait_time_recursive,omitempty" toml:"io_wait_time_recursive,omitempty"`
		IOMergedRecursive       []BlkioStatsEntry `json:"io_merged_recursive,omitempty" yaml:"io_merged_recursive,omitempty" toml:"io_merged_recursive,omitempty"`
		IOTimeRecursive         []BlkioStatsEntry `json:"io_time_recursive,omitempty" yaml:"io_time_recursive,omitempty" toml:"io_time_recursive,omitempty"`
		SectorsRecursive        []BlkioStatsEntry `json:"sectors_recursive,omitempty" yaml:"sectors_recursive,omitempty" toml:"sectors_recursive,omitempty"`
	} `json:"blkio_stats,omitempty" yaml:"blkio_stats,omitempty" toml:"blkio_stats,omitempty"`
	CPUStats     CPUStats `json:"cpu_stats,omitempty" yaml:"cpu_stats,omitempty" toml:"cpu_stats,omitempty"`
	PreCPUStats  CPUStats `json:"precpu_stats,omitempty"`
	StorageStats struct {
		ReadCountNormalized  uint64 `json:"read_count_normalized,omitempty" yaml:"read_count_normalized,omitempty" toml:"read_count_normalized,omitempty"`
		ReadSizeBytes        uint64 `json:"read_size_bytes,omitempty" yaml:"read_size_bytes,omitempty" toml:"read_size_bytes,omitempty"`
		WriteCountNormalized uint64 `json:"write_count_normalized,omitempty" yaml:"write_count_normalized,omitempty" toml:"write_count_normalized,omitempty"`
		WriteSizeBytes       uint64 `json:"write_size_bytes,omitempty" yaml:"write_size_bytes,omitempty" toml:"write_size_bytes,omitempty"`
	} `json:"storage_stats,omitempty" yaml:"storage_stats,omitempty" toml:"storage_stats,omitempty"`
}

Stats represents container statistics, returned by /containers/<id>/stats. See https://goo.gl/Dk3Xio for more details.