80 lines
2.6 KiB
Go
80 lines
2.6 KiB
Go
package daemon
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import (
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"github.com/docker/engine-api/types"
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"github.com/opencontainers/runc/libcontainer"
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"github.com/opencontainers/runc/libcontainer/cgroups"
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)
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// convertStatsToAPITypes converts the libcontainer.Stats to the api specific
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// structs. This is done to preserve API compatibility and versioning.
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func convertStatsToAPITypes(ls *libcontainer.Stats) *types.StatsJSON {
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s := &types.StatsJSON{}
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if ls.Interfaces != nil {
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s.Networks = make(map[string]types.NetworkStats)
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for _, iface := range ls.Interfaces {
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// For API Version >= 1.21, the original data of network will
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// be returned.
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s.Networks[iface.Name] = types.NetworkStats{
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RxBytes: iface.RxBytes,
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RxPackets: iface.RxPackets,
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RxErrors: iface.RxErrors,
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RxDropped: iface.RxDropped,
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TxBytes: iface.TxBytes,
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TxPackets: iface.TxPackets,
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TxErrors: iface.TxErrors,
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TxDropped: iface.TxDropped,
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}
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}
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}
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cs := ls.CgroupStats
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if cs != nil {
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s.BlkioStats = types.BlkioStats{
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IoServiceBytesRecursive: copyBlkioEntry(cs.BlkioStats.IoServiceBytesRecursive),
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IoServicedRecursive: copyBlkioEntry(cs.BlkioStats.IoServicedRecursive),
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IoQueuedRecursive: copyBlkioEntry(cs.BlkioStats.IoQueuedRecursive),
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IoServiceTimeRecursive: copyBlkioEntry(cs.BlkioStats.IoServiceTimeRecursive),
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IoWaitTimeRecursive: copyBlkioEntry(cs.BlkioStats.IoWaitTimeRecursive),
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IoMergedRecursive: copyBlkioEntry(cs.BlkioStats.IoMergedRecursive),
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IoTimeRecursive: copyBlkioEntry(cs.BlkioStats.IoTimeRecursive),
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SectorsRecursive: copyBlkioEntry(cs.BlkioStats.SectorsRecursive),
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}
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cpu := cs.CpuStats
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s.CPUStats = types.CPUStats{
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CPUUsage: types.CPUUsage{
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TotalUsage: cpu.CpuUsage.TotalUsage,
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PercpuUsage: cpu.CpuUsage.PercpuUsage,
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UsageInKernelmode: cpu.CpuUsage.UsageInKernelmode,
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UsageInUsermode: cpu.CpuUsage.UsageInUsermode,
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},
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ThrottlingData: types.ThrottlingData{
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Periods: cpu.ThrottlingData.Periods,
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ThrottledPeriods: cpu.ThrottlingData.ThrottledPeriods,
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ThrottledTime: cpu.ThrottlingData.ThrottledTime,
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},
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}
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mem := cs.MemoryStats
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s.MemoryStats = types.MemoryStats{
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Usage: mem.Usage.Usage,
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MaxUsage: mem.Usage.MaxUsage,
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Stats: mem.Stats,
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Failcnt: mem.Usage.Failcnt,
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}
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}
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return s
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}
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func copyBlkioEntry(entries []cgroups.BlkioStatEntry) []types.BlkioStatEntry {
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out := make([]types.BlkioStatEntry, len(entries))
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for i, re := range entries {
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out[i] = types.BlkioStatEntry{
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Major: re.Major,
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Minor: re.Minor,
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Op: re.Op,
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Value: re.Value,
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}
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}
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return out
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}
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