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105 lines
3.8 KiB
Go
105 lines
3.8 KiB
Go
// Package types is used for API stability in the types and response to the
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// consumers of the API stats endpoint.
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package types
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import "time"
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// ThrottlingData stores CPU throttling stats of one running container
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type ThrottlingData struct {
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// Number of periods with throttling active
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Periods uint64 `json:"periods"`
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// Number of periods when the container hit its throttling limit.
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ThrottledPeriods uint64 `json:"throttled_periods"`
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// Aggregate time the container was throttled for in nanoseconds.
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ThrottledTime uint64 `json:"throttled_time"`
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}
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// CPUUsage stores All CPU stats aggregated since container inception.
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type CPUUsage struct {
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// Total CPU time consumed.
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// Units: nanoseconds.
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TotalUsage uint64 `json:"total_usage"`
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// Total CPU time consumed per core.
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// Units: nanoseconds.
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PercpuUsage []uint64 `json:"percpu_usage"`
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// Time spent by tasks of the cgroup in kernel mode.
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// Units: nanoseconds.
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UsageInKernelmode uint64 `json:"usage_in_kernelmode"`
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// Time spent by tasks of the cgroup in user mode.
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// Units: nanoseconds.
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UsageInUsermode uint64 `json:"usage_in_usermode"`
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}
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// CPUStats aggregates and wraps all CPU related info of container
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type CPUStats struct {
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CPUUsage CPUUsage `json:"cpu_usage"`
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SystemUsage uint64 `json:"system_cpu_usage"`
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ThrottlingData ThrottlingData `json:"throttling_data,omitempty"`
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}
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// MemoryStats aggregates All memory stats since container inception
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type MemoryStats struct {
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// current res_counter usage for memory
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Usage uint64 `json:"usage"`
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// maximum usage ever recorded.
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MaxUsage uint64 `json:"max_usage"`
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// TODO(vishh): Export these as stronger types.
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// all the stats exported via memory.stat.
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Stats map[string]uint64 `json:"stats"`
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// number of times memory usage hits limits.
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Failcnt uint64 `json:"failcnt"`
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Limit uint64 `json:"limit"`
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}
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// BlkioStatEntry is one small entity to store a piece of Blkio stats
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// TODO Windows: This can be factored out
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type BlkioStatEntry struct {
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Major uint64 `json:"major"`
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Minor uint64 `json:"minor"`
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Op string `json:"op"`
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Value uint64 `json:"value"`
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}
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// BlkioStats stores All IO service stats for data read and write
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// TODO Windows: This can be factored out
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type BlkioStats struct {
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// number of bytes tranferred to and from the block device
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IoServiceBytesRecursive []BlkioStatEntry `json:"io_service_bytes_recursive"`
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IoServicedRecursive []BlkioStatEntry `json:"io_serviced_recursive"`
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IoQueuedRecursive []BlkioStatEntry `json:"io_queue_recursive"`
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IoServiceTimeRecursive []BlkioStatEntry `json:"io_service_time_recursive"`
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IoWaitTimeRecursive []BlkioStatEntry `json:"io_wait_time_recursive"`
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IoMergedRecursive []BlkioStatEntry `json:"io_merged_recursive"`
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IoTimeRecursive []BlkioStatEntry `json:"io_time_recursive"`
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SectorsRecursive []BlkioStatEntry `json:"sectors_recursive"`
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}
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// NetworkStats aggregates All network stats of one container
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// TODO Windows: This will require refactoring
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type NetworkStats struct {
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RxBytes uint64 `json:"rx_bytes"`
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RxPackets uint64 `json:"rx_packets"`
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RxErrors uint64 `json:"rx_errors"`
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RxDropped uint64 `json:"rx_dropped"`
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TxBytes uint64 `json:"tx_bytes"`
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TxPackets uint64 `json:"tx_packets"`
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TxErrors uint64 `json:"tx_errors"`
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TxDropped uint64 `json:"tx_dropped"`
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}
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// Stats is Ultimate struct aggregating all types of stats of one container
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type Stats struct {
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Read time.Time `json:"read"`
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PreCPUStats CPUStats `json:"precpu_stats,omitempty"`
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CPUStats CPUStats `json:"cpu_stats,omitempty"`
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MemoryStats MemoryStats `json:"memory_stats,omitempty"`
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BlkioStats BlkioStats `json:"blkio_stats,omitempty"`
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}
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// StatsJSON is newly used Networks
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type StatsJSON struct {
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Stats
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// Networks request version >=1.21
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Networks map[string]NetworkStats `json:"networks,omitempty"`
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}
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