mirror of
https://github.com/aljazceru/kata-containers.git
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78 lines
1.9 KiB
Go
78 lines
1.9 KiB
Go
// Copyright (c) 2018 IBM
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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package main
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import (
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"fmt"
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"github.com/sirupsen/logrus"
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)
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const (
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cpuFlagsTag = genericCPUFlagsTag
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archCPUVendorField = genericCPUVendorField
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archCPUModelField = genericCPUModelField
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)
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// archRequiredCPUFlags maps a CPU flag value to search for and a
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// human-readable description of that value.
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var archRequiredCPUFlags = map[string]string{}
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// archRequiredCPUAttribs maps a CPU (non-CPU flag) attribute value to search for
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// and a human-readable description of that value.
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var archRequiredCPUAttribs = map[string]string{}
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// archRequiredKernelModules maps a required module name to a human-readable
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// description of the modules functionality and an optional list of
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// required module parameters.
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var archRequiredKernelModules = map[string]kernelModule{
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"kvm": {
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desc: "Kernel-based Virtual Machine",
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},
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"kvm_hv": {
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desc: "Kernel-based Virtual Machine hardware virtualization",
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},
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}
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func archHostCanCreateVMContainer() error {
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return kvmIsUsable()
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}
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// hostIsVMContainerCapable checks to see if the host is theoretically capable
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// of creating a VM container.
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func hostIsVMContainerCapable(details vmContainerCapableDetails) error {
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_, err := getCPUInfo(details.cpuInfoFile)
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if err != nil {
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return err
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}
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count, err := checkKernelModules(details.requiredKernelModules, archKernelParamHandler)
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if err != nil {
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return err
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}
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if count == 0 {
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return nil
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}
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return fmt.Errorf("ERROR: %s", failMessage)
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}
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// kvmIsUsable determines if it will be possible to create a full virtual machine
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// by creating a minimal VM and then deleting it.
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func kvmIsUsable() error {
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return genericKvmIsUsable()
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}
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func archKernelParamHandler(onVMM bool, fields logrus.Fields, msg string) bool {
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return genericArchKernelParamHandler(onVMM, fields, msg)
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}
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func getCPUDetails() (vendor, model string, err error) {
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return genericGetCPUDetails()
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}
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