diff --git a/daemon/daemon_unix.go b/daemon/daemon_unix.go index 99ece6653e..587db7f6e7 100644 --- a/daemon/daemon_unix.go +++ b/daemon/daemon_unix.go @@ -271,14 +271,14 @@ func verifyContainerResources(resources *containertypes.Resources, sysInfo *sysi return warnings, fmt.Errorf("Minimum memory limit allowed is 4MB") } if resources.Memory > 0 && !sysInfo.MemoryLimit { - warnings = append(warnings, "Your kernel does not support memory limit capabilities. Limitation discarded.") - logrus.Warn("Your kernel does not support memory limit capabilities. Limitation discarded.") + warnings = append(warnings, "Your kernel does not support memory limit capabilities or the cgroup is not mounted. Limitation discarded.") + logrus.Warn("Your kernel does not support memory limit capabilities or the cgroup is not mounted. Limitation discarded.") resources.Memory = 0 resources.MemorySwap = -1 } if resources.Memory > 0 && resources.MemorySwap != -1 && !sysInfo.SwapLimit { - warnings = append(warnings, "Your kernel does not support swap limit capabilities, memory limited without swap.") - logrus.Warn("Your kernel does not support swap limit capabilities, memory limited without swap.") + warnings = append(warnings, "Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.") + logrus.Warn("Your kernel does not support swap limit capabilities,or the cgroup is not mounted. Memory limited without swap.") resources.MemorySwap = -1 } if resources.Memory > 0 && resources.MemorySwap > 0 && resources.MemorySwap < resources.Memory { @@ -288,8 +288,8 @@ func verifyContainerResources(resources *containertypes.Resources, sysInfo *sysi return warnings, fmt.Errorf("You should always set the Memory limit when using Memoryswap limit, see usage") } if resources.MemorySwappiness != nil && *resources.MemorySwappiness != -1 && !sysInfo.MemorySwappiness { - warnings = append(warnings, "Your kernel does not support memory swappiness capabilities. Memory swappiness discarded.") - logrus.Warn("Your kernel does not support memory swappiness capabilities. Memory swappiness discarded.") + warnings = append(warnings, "Your kernel does not support memory swappiness capabilities or the cgroup is not mounted. Memory swappiness discarded.") + logrus.Warn("Your kernel does not support memory swappiness capabilities, or the cgroup is not mounted. Memory swappiness discarded.") resources.MemorySwappiness = nil } if resources.MemorySwappiness != nil { @@ -299,8 +299,8 @@ func verifyContainerResources(resources *containertypes.Resources, sysInfo *sysi } } if resources.MemoryReservation > 0 && !sysInfo.MemoryReservation { - warnings = append(warnings, "Your kernel does not support memory soft limit capabilities. Limitation discarded.") - logrus.Warn("Your kernel does not support memory soft limit capabilities. Limitation discarded.") + warnings = append(warnings, "Your kernel does not support memory soft limit capabilities or the cgroup is not mounted. Limitation discarded.") + logrus.Warn("Your kernel does not support memory soft limit capabilities or the cgroup is not mounted. Limitation discarded.") resources.MemoryReservation = 0 } if resources.MemoryReservation > 0 && resources.MemoryReservation < linuxMinMemory { @@ -310,8 +310,8 @@ func verifyContainerResources(resources *containertypes.Resources, sysInfo *sysi return warnings, fmt.Errorf("Minimum memory limit can not be less than memory reservation limit, see usage") } if resources.KernelMemory > 0 && !sysInfo.KernelMemory { - warnings = append(warnings, "Your kernel does not support kernel memory limit capabilities. Limitation discarded.") - logrus.Warn("Your kernel does not support kernel memory limit capabilities. Limitation discarded.") + warnings = append(warnings, "Your kernel does not support kernel memory limit capabilities or the cgroup is not mounted. Limitation discarded.") + logrus.Warn("Your kernel does not support kernel memory limit capabilities or the cgroup is not mounted. Limitation discarded.") resources.KernelMemory = 0 } if resources.KernelMemory > 0 && resources.KernelMemory < linuxMinMemory { @@ -332,28 +332,28 @@ func verifyContainerResources(resources *containertypes.Resources, sysInfo *sysi } if resources.PidsLimit != 0 && !sysInfo.PidsLimit { - warnings = append(warnings, "Your kernel does not support pids limit capabilities. Pids limit discarded.") - logrus.Warn("Your kernel does not support pids limit capabilities. Pids limit discarded.") + warnings = append(warnings, "Your kernel does not support pids limit capabilities or the cgroup is not mounted. PIDs limit discarded.") + logrus.Warn("Your kernel does not support pids limit capabilities or the cgroup is not mounted. PIDs limit discarded.") resources.PidsLimit = 0 } // cpu subsystem checks and adjustments if resources.CPUShares > 0 && !sysInfo.CPUShares { - warnings = append(warnings, "Your kernel does not support CPU shares. Shares discarded.") - logrus.Warn("Your kernel does not support CPU shares. Shares discarded.") + warnings = append(warnings, "Your kernel does not support CPU shares or the cgroup is not mounted. Shares discarded.") + logrus.Warn("Your kernel does not support CPU shares or the cgroup is not mounted. Shares discarded.") resources.CPUShares = 0 } if resources.CPUPeriod > 0 && !sysInfo.CPUCfsPeriod { - warnings = append(warnings, "Your kernel does not support CPU cfs period. Period discarded.") - logrus.Warn("Your kernel does not support CPU cfs period. Period discarded.") + warnings = append(warnings, "Your kernel does not support CPU cfs period or the cgroup is not mounted. Period discarded.") + logrus.Warn("Your kernel does not support CPU cfs period or the cgroup is not mounted. Period discarded.") resources.CPUPeriod = 0 } if resources.CPUPeriod != 0 && (resources.CPUPeriod < 1000 || resources.CPUPeriod > 1000000) { return warnings, fmt.Errorf("CPU cfs period can not be less than 1ms (i.e. 1000) or larger than 1s (i.e. 1000000)") } if resources.CPUQuota > 0 && !sysInfo.CPUCfsQuota { - warnings = append(warnings, "Your kernel does not support CPU cfs quota. Quota discarded.") - logrus.Warn("Your kernel does not support CPU cfs quota. Quota discarded.") + warnings = append(warnings, "Your kernel does not support CPU cfs quota or the cgroup is not mounted. Quota discarded.") + logrus.Warn("Your kernel does not support CPU cfs quota or the cgroup is not mounted. Quota discarded.") resources.CPUQuota = 0 } if resources.CPUQuota > 0 && resources.CPUQuota < 1000 { @@ -367,8 +367,8 @@ func verifyContainerResources(resources *containertypes.Resources, sysInfo *sysi // cpuset subsystem checks and adjustments if (resources.CpusetCpus != "" || resources.CpusetMems != "") && !sysInfo.Cpuset { - warnings = append(warnings, "Your kernel does not support cpuset. Cpuset discarded.") - logrus.Warn("Your kernel does not support cpuset. Cpuset discarded.") + warnings = append(warnings, "Your kernel does not support cpuset or the cgroup is not mounted. Cpuset discarded.") + logrus.Warn("Your kernel does not support cpuset or the cgroup is not mounted. Cpuset discarded.") resources.CpusetCpus = "" resources.CpusetMems = "" } @@ -389,8 +389,8 @@ func verifyContainerResources(resources *containertypes.Resources, sysInfo *sysi // blkio subsystem checks and adjustments if resources.BlkioWeight > 0 && !sysInfo.BlkioWeight { - warnings = append(warnings, "Your kernel does not support Block I/O weight. Weight discarded.") - logrus.Warn("Your kernel does not support Block I/O weight. Weight discarded.") + warnings = append(warnings, "Your kernel does not support Block I/O weight or the cgroup is not mounted. Weight discarded.") + logrus.Warn("Your kernel does not support Block I/O weight or the cgroup is not mounted. Weight discarded.") resources.BlkioWeight = 0 } if resources.BlkioWeight > 0 && (resources.BlkioWeight < 10 || resources.BlkioWeight > 1000) { @@ -400,28 +400,28 @@ func verifyContainerResources(resources *containertypes.Resources, sysInfo *sysi return warnings, fmt.Errorf("Invalid QoS settings: %s does not support Maximum IO Bandwidth or Maximum IO IOps", runtime.GOOS) } if len(resources.BlkioWeightDevice) > 0 && !sysInfo.BlkioWeightDevice { - warnings = append(warnings, "Your kernel does not support Block I/O weight-device. Weight-device discarded.") - logrus.Warn("Your kernel does not support Block I/O weight-device. Weight-device discarded.") + warnings = append(warnings, "Your kernel does not support Block I/O weight_device or the cgroup is not mounted. Weight-device discarded.") + logrus.Warn("Your kernel does not support Block I/O weight_device or the cgroup is not mounted. Weight-device discarded.") resources.BlkioWeightDevice = []*pblkiodev.WeightDevice{} } if len(resources.BlkioDeviceReadBps) > 0 && !sysInfo.BlkioReadBpsDevice { - warnings = append(warnings, "Your kernel does not support Block read limit in bytes per second. Device read bps discarded.") - logrus.Warn("Your kernel does not support Block I/O read limit in bytes per second. Device read bps discarded.") + warnings = append(warnings, "Your kernel does not support BPS Block I/O read limit or the cgroup is not mounted. Block I/O BPS read limit discarded.") + logrus.Warn("Your kernel does not support BPS Block I/O read limit or the cgroup is not mounted. Block I/O BPS read limit discarded") resources.BlkioDeviceReadBps = []*pblkiodev.ThrottleDevice{} } if len(resources.BlkioDeviceWriteBps) > 0 && !sysInfo.BlkioWriteBpsDevice { - warnings = append(warnings, "Your kernel does not support Block write limit in bytes per second. Device write bps discarded.") - logrus.Warn("Your kernel does not support Block I/O write limit in bytes per second. Device write bps discarded.") + warnings = append(warnings, "Your kernel does not support BPS Block I/O write limit or the cgroup is not mounted. Block I/O BPS write limit discarded.") + logrus.Warn("Your kernel does not support BPS Block I/O write limit or the cgroup is not mounted. Block I/O BPS write limit discarded.") resources.BlkioDeviceWriteBps = []*pblkiodev.ThrottleDevice{} } if len(resources.BlkioDeviceReadIOps) > 0 && !sysInfo.BlkioReadIOpsDevice { - warnings = append(warnings, "Your kernel does not support Block read limit in IO per second. Device read iops discarded.") - logrus.Warn("Your kernel does not support Block I/O read limit in IO per second. Device read iops discarded.") + warnings = append(warnings, "Your kernel does not support IOPS Block read limit or the cgroup is not mounted. Block I/O IOPS read limit discarded.") + logrus.Warn("Your kernel does not support IOPS Block I/O read limit in IO or the cgroup is not mounted. Block I/O IOPS read limit discarded.") resources.BlkioDeviceReadIOps = []*pblkiodev.ThrottleDevice{} } if len(resources.BlkioDeviceWriteIOps) > 0 && !sysInfo.BlkioWriteIOpsDevice { - warnings = append(warnings, "Your kernel does not support Block write limit in IO per second. Device write iops discarded.") - logrus.Warn("Your kernel does not support Block I/O write limit in IO per second. Device write iops discarded.") + warnings = append(warnings, "Your kernel does not support IOPS Block write limit or the cgroup is not mounted. Block I/O IOPS write limit discarded.") + logrus.Warn("Your kernel does not support IOPS Block I/O write limit or the cgroup is not mounted. Block I/O IOPS write limit discarded.") resources.BlkioDeviceWriteIOps = []*pblkiodev.ThrottleDevice{} }