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Simplify blkio resources setup in spec 

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi 2016-04-29 13:39:04 -07:00
Родитель aa537a367c
Коммит 668f0a2a4c
2 изменённых файлов: 12 добавлений и 65 удалений
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69
daemon/daemon_unix.go
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@ -27,6 +27,7 @@ import (
"github.com/docker/docker/runconfig"
runconfigopts "github.com/docker/docker/runconfig/opts"
"github.com/docker/engine-api/types"
"github.com/docker/engine-api/types/blkiodev"
pblkiodev "github.com/docker/engine-api/types/blkiodev"
containertypes "github.com/docker/engine-api/types/container"
"github.com/docker/libnetwork"
@ -176,76 +177,22 @@ func parseSecurityOpt(container *container.Container, config *containertypes.Hos
return err
}
func getBlkioReadIOpsDevices(config containertypes.Resources) ([]specs.ThrottleDevice, error) {
var blkioReadIOpsDevice []specs.ThrottleDevice
func getBlkioThrottleDevices(devs []*blkiodev.ThrottleDevice) ([]specs.ThrottleDevice, error) {
var throttleDevices []specs.ThrottleDevice
var stat syscall.Stat_t
for _, iopsDevice := range config.BlkioDeviceReadIOps {
if err := syscall.Stat(iopsDevice.Path, &stat); err != nil {
for _, d := range devs {
if err := syscall.Stat(d.Path, &stat); err != nil {
return nil, err
}
rate := iopsDevice.Rate
rate := d.Rate
d := specs.ThrottleDevice{Rate: &rate}
d.Major = int64(stat.Rdev / 256)
d.Minor = int64(stat.Rdev % 256)
blkioReadIOpsDevice = append(blkioReadIOpsDevice, d)
throttleDevices = append(throttleDevices, d)
}
return blkioReadIOpsDevice, nil
}
func getBlkioWriteIOpsDevices(config containertypes.Resources) ([]specs.ThrottleDevice, error) {
var blkioWriteIOpsDevice []specs.ThrottleDevice
var stat syscall.Stat_t
for _, iopsDevice := range config.BlkioDeviceWriteIOps {
if err := syscall.Stat(iopsDevice.Path, &stat); err != nil {
return nil, err
}
rate := iopsDevice.Rate
d := specs.ThrottleDevice{Rate: &rate}
d.Major = int64(stat.Rdev / 256)
d.Minor = int64(stat.Rdev % 256)
blkioWriteIOpsDevice = append(blkioWriteIOpsDevice, d)
}
return blkioWriteIOpsDevice, nil
}
func getBlkioReadBpsDevices(config containertypes.Resources) ([]specs.ThrottleDevice, error) {
var blkioReadBpsDevice []specs.ThrottleDevice
var stat syscall.Stat_t
for _, bpsDevice := range config.BlkioDeviceReadBps {
if err := syscall.Stat(bpsDevice.Path, &stat); err != nil {
return nil, err
}
rate := bpsDevice.Rate
d := specs.ThrottleDevice{Rate: &rate}
d.Major = int64(stat.Rdev / 256)
d.Minor = int64(stat.Rdev % 256)
blkioReadBpsDevice = append(blkioReadBpsDevice, d)
}
return blkioReadBpsDevice, nil
}
func getBlkioWriteBpsDevices(config containertypes.Resources) ([]specs.ThrottleDevice, error) {
var blkioWriteBpsDevice []specs.ThrottleDevice
var stat syscall.Stat_t
for _, bpsDevice := range config.BlkioDeviceWriteBps {
if err := syscall.Stat(bpsDevice.Path, &stat); err != nil {
return nil, err
}
rate := bpsDevice.Rate
d := specs.ThrottleDevice{Rate: &rate}
d.Major = int64(stat.Rdev / 256)
d.Minor = int64(stat.Rdev % 256)
blkioWriteBpsDevice = append(blkioWriteBpsDevice, d)
}
return blkioWriteBpsDevice, nil
return throttleDevices, nil
}
func checkKernelVersion(k, major, minor int) bool {

8
daemon/oci_linux.go
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@ -31,19 +31,19 @@ func setResources(s *specs.Spec, r containertypes.Resources) error {
if err != nil {
return err
}
readBpsDevice, err := getBlkioReadBpsDevices(r)
readBpsDevice, err := getBlkioThrottleDevices(r.BlkioDeviceReadBps)
if err != nil {
return err
}
writeBpsDevice, err := getBlkioWriteBpsDevices(r)
writeBpsDevice, err := getBlkioThrottleDevices(r.BlkioDeviceWriteBps)
if err != nil {
return err
}
readIOpsDevice, err := getBlkioReadIOpsDevices(r)
readIOpsDevice, err := getBlkioThrottleDevices(r.BlkioDeviceReadIOps)
if err != nil {
return err
}
writeIOpsDevice, err := getBlkioWriteIOpsDevices(r)
writeIOpsDevice, err := getBlkioThrottleDevices(r.BlkioDeviceWriteIOps)
if err != nil {
return err
}