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Merge pull request #28219 from darrenstahlmsft/WindowsConflictingOptions

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Adding more strict resource checks on Windows
This commit is contained in:
Victor Vieux 2016-11-09 18:01:03 -08:00 committed by GitHub
commit f7b27ded4a
2 changed files with 69 additions and 57 deletions
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114
daemon/daemon_windows.go
View file

@ -8,7 +8,6 @@ import (
"github.com/Microsoft/hcsshim"
"github.com/Sirupsen/logrus"
"github.com/docker/docker/api/types"
pblkiodev "github.com/docker/docker/api/types/blkiodev"
containertypes "github.com/docker/docker/api/types/container"
"github.com/docker/docker/container"
"github.com/docker/docker/image"
@ -83,31 +82,6 @@ func (daemon *Daemon) adaptContainerSettings(hostConfig *containertypes.HostConf
return nil
}
numCPU := int64(sysinfo.NumCPU())
if hostConfig.CPUCount < 0 {
logrus.Warnf("Changing requested CPUCount of %d to minimum allowed of %d", hostConfig.CPUCount, windowsMinCPUCount)
hostConfig.CPUCount = windowsMinCPUCount
} else if hostConfig.CPUCount > numCPU {
logrus.Warnf("Changing requested CPUCount of %d to current number of processors, %d", hostConfig.CPUCount, numCPU)
hostConfig.CPUCount = numCPU
}
if hostConfig.CPUShares < 0 {
logrus.Warnf("Changing requested CPUShares of %d to minimum allowed of %d", hostConfig.CPUShares, windowsMinCPUShares)
hostConfig.CPUShares = windowsMinCPUShares
} else if hostConfig.CPUShares > windowsMaxCPUShares {
logrus.Warnf("Changing requested CPUShares of %d to maximum allowed of %d", hostConfig.CPUShares, windowsMaxCPUShares)
hostConfig.CPUShares = windowsMaxCPUShares
}
if hostConfig.CPUPercent < 0 {
logrus.Warnf("Changing requested CPUPercent of %d to minimum allowed of %d", hostConfig.CPUPercent, windowsMinCPUPercent)
hostConfig.CPUPercent = windowsMinCPUPercent
} else if hostConfig.CPUPercent > windowsMaxCPUPercent {
logrus.Warnf("Changing requested CPUPercent of %d to maximum allowed of %d", hostConfig.CPUPercent, windowsMaxCPUPercent)
hostConfig.CPUPercent = windowsMaxCPUPercent
}
return nil
}
@ -138,48 +112,76 @@ func verifyContainerResources(resources *containertypes.Resources, isHyperv bool
}
}
if resources.NanoCPUs > 0 && resources.CPUPercent > 0 {
return warnings, fmt.Errorf("Conflicting options: Nano CPUs and CPU Percent cannot both be set")
if resources.CPUShares < 0 || resources.CPUShares > windowsMaxCPUShares {
return warnings, fmt.Errorf("range of CPUShares is from %d to %d", windowsMinCPUShares, windowsMaxCPUShares)
}
if resources.CPUPercent < 0 || resources.CPUPercent > windowsMaxCPUPercent {
return warnings, fmt.Errorf("range of CPUPercent is from %d to %d", windowsMinCPUPercent, windowsMaxCPUPercent)
}
if resources.CPUCount < 0 {
return warnings, fmt.Errorf("invalid CPUCount: CPUCount cannot be negative")
}
if resources.NanoCPUs > 0 && resources.CPUPercent > 0 {
return warnings, fmt.Errorf("conflicting options: Nano CPUs and CPU Percent cannot both be set")
}
if resources.NanoCPUs > 0 && resources.CPUShares > 0 {
return warnings, fmt.Errorf("Conflicting options: Nano CPUs and CPU Shares cannot both be set")
return warnings, fmt.Errorf("conflicting options: Nano CPUs and CPU Shares cannot both be set")
}
if resources.NanoCPUs < 0 || resources.NanoCPUs > int64(sysinfo.NumCPU())*1e9 {
return warnings, fmt.Errorf("Range of Nano CPUs is from 1 to %d", int64(sysinfo.NumCPU())*1e9)
return warnings, fmt.Errorf("range of Nano CPUs is from 1 to %d", int64(sysinfo.NumCPU())*1e9)
}
// TODO Windows: Add more validation of resource settings not supported on Windows
if resources.BlkioWeight > 0 {
warnings = append(warnings, "Windows does not support Block I/O weight. Block I/O weight discarded.")
logrus.Warn("Windows does not support Block I/O weight. Block I/O weight discarded.")
resources.BlkioWeight = 0
}
if len(resources.BlkioWeightDevice) > 0 {
warnings = append(warnings, "Windows does not support Block I/O weight-device. Weight-device discarded.")
logrus.Warn("Windows does not support Block I/O weight-device. Weight-device discarded.")
resources.BlkioWeightDevice = []*pblkiodev.WeightDevice{}
}
if len(resources.BlkioDeviceReadBps) > 0 {
warnings = append(warnings, "Windows does not support Block read limit in bytes per second. Device read bps discarded.")
logrus.Warn("Windows does not support Block I/O read limit in bytes per second. Device read bps discarded.")
resources.BlkioDeviceReadBps = []*pblkiodev.ThrottleDevice{}
}
if len(resources.BlkioDeviceWriteBps) > 0 {
warnings = append(warnings, "Windows does not support Block write limit in bytes per second. Device write bps discarded.")
logrus.Warn("Windows does not support Block I/O write limit in bytes per second. Device write bps discarded.")
resources.BlkioDeviceWriteBps = []*pblkiodev.ThrottleDevice{}
return warnings, fmt.Errorf("invalid option: Windows does not support BlkioDeviceReadBps")
}
if len(resources.BlkioDeviceReadIOps) > 0 {
warnings = append(warnings, "Windows does not support Block read limit in IO per second. Device read iops discarded.")
logrus.Warn("Windows does not support Block I/O read limit in IO per second. Device read iops discarded.")
resources.BlkioDeviceReadIOps = []*pblkiodev.ThrottleDevice{}
return warnings, fmt.Errorf("invalid option: Windows does not support BlkioDeviceReadIOps")
}
if len(resources.BlkioDeviceWriteBps) > 0 {
return warnings, fmt.Errorf("invalid option: Windows does not support BlkioDeviceWriteBps")
}
if len(resources.BlkioDeviceWriteIOps) > 0 {
warnings = append(warnings, "Windows does not support Block write limit in IO per second. Device write iops discarded.")
logrus.Warn("Windows does not support Block I/O write limit in IO per second. Device write iops discarded.")
resources.BlkioDeviceWriteIOps = []*pblkiodev.ThrottleDevice{}
return warnings, fmt.Errorf("invalid option: Windows does not support BlkioDeviceWriteIOps")
}
if resources.BlkioWeight > 0 {
return warnings, fmt.Errorf("invalid option: Windows does not support BlkioWeight")
}
if len(resources.BlkioWeightDevice) > 0 {
return warnings, fmt.Errorf("invalid option: Windows does not support BlkioWeightDevice")
}
if resources.CgroupParent != "" {
return warnings, fmt.Errorf("invalid option: Windows does not support CgroupParent")
}
if resources.CPUPeriod != 0 {
return warnings, fmt.Errorf("invalid option: Windows does not support CPUPeriod")
}
if resources.CpusetCpus != "" {
return warnings, fmt.Errorf("invalid option: Windows does not support CpusetCpus")
}
if resources.CpusetMems != "" {
return warnings, fmt.Errorf("invalid option: Windows does not support CpusetMems")
}
if resources.KernelMemory != 0 {
return warnings, fmt.Errorf("invalid option: Windows does not support KernelMemory")
}
if resources.MemoryReservation != 0 {
return warnings, fmt.Errorf("invalid option: Windows does not support MemoryReservation")
}
if resources.MemorySwap != 0 {
return warnings, fmt.Errorf("invalid option: Windows does not support MemorySwap")
}
if resources.MemorySwappiness != nil && *resources.MemorySwappiness != -1 {
return warnings, fmt.Errorf("invalid option: Windows does not support MemorySwappiness")
}
if resources.OomKillDisable != nil && *resources.OomKillDisable {
return warnings, fmt.Errorf("invalid option: Windows does not support OomKillDisable")
}
if resources.PidsLimit != 0 {
return warnings, fmt.Errorf("invalid option: Windows does not support PidsLimit")
}
if len(resources.Ulimits) != 0 {
return warnings, fmt.Errorf("invalid option: Windows does not support Ulimits")
}
return warnings, nil
}

12
libcontainerd/client_windows.go
View file

@ -14,6 +14,7 @@ import (
"github.com/Microsoft/hcsshim"
"github.com/Sirupsen/logrus"
"github.com/docker/docker/pkg/sysinfo"
"github.com/opencontainers/runtime-spec/specs-go"
)
@ -111,7 +112,16 @@ func (clnt *client) Create(containerID string, checkpoint string, checkpointDir
if spec.Windows.Resources != nil {
if spec.Windows.Resources.CPU != nil {
if spec.Windows.Resources.CPU.Count != nil {
configuration.ProcessorCount = uint32(*spec.Windows.Resources.CPU.Count)
// This check is being done here rather than in adaptContainerSettings
// because we don't want to update the HostConfig in case this container
// is moved to a host with more CPUs than this one.
cpuCount := *spec.Windows.Resources.CPU.Count
hostCPUCount := uint64(sysinfo.NumCPU())
if cpuCount > hostCPUCount {
logrus.Warnf("Changing requested CPUCount of %d to current number of processors, %d", cpuCount, hostCPUCount)
cpuCount = hostCPUCount
}
configuration.ProcessorCount = uint32(cpuCount)
}
if spec.Windows.Resources.CPU.Shares != nil {
configuration.ProcessorWeight = uint64(*spec.Windows.Resources.CPU.Shares)