Files
kata-containers/pkg/katautils/config-settings.go
Hui Zhu 90704c8bb6 VMCache: the core and the client
VMCache is a new function that creates VMs as caches before using it.
It helps speed up new container creation.
The function consists of a server and some clients communicating
through Unix socket.  The protocol is gRPC in protocols/cache/cache.proto.
The VMCache server will create some VMs and cache them by factory cache.
It will convert the VM to gRPC format and transport it when gets
requestion from clients.
Factory grpccache is the VMCache client.  It will request gRPC format
VM and convert it back to a VM.  If VMCache function is enabled,
kata-runtime will request VM from factory grpccache when it creates
a new sandbox.

VMCache has two options.
vm_cache_number specifies the number of caches of VMCache:
unspecified or == 0   --> VMCache is disabled
> 0                   --> will be set to the specified number
vm_cache_endpoint specifies the address of the Unix socket.

This commit just includes the core and the client of VMCache.

Currently, VM cache still cannot work with VM templating and vsock.
And just support qemu.

Fixes: #52

Signed-off-by: Hui Zhu <teawater@hyper.sh>
2019-03-08 10:05:59 +08:00

58 lines
2.2 KiB
Go

// Copyright (c) 2018 Intel Corporation
// Copyright (c) 2018 HyperHQ Inc.
//
// SPDX-License-Identifier: Apache-2.0
//
// Note that some variables are "var" to allow them to be modified
// by the tests.
package katautils
var defaultHypervisorPath = "/usr/bin/qemu-lite-system-x86_64"
var defaultImagePath = "/usr/share/kata-containers/kata-containers.img"
var defaultKernelPath = "/usr/share/kata-containers/vmlinuz.container"
var defaultInitrdPath = "/usr/share/kata-containers/kata-containers-initrd.img"
var defaultFirmwarePath = ""
var defaultMachineAccelerators = ""
var defaultShimPath = "/usr/libexec/kata-containers/kata-shim"
var systemdUnitName = "kata-containers.target"
const defaultKernelParams = ""
const defaultMachineType = "pc"
const defaultVCPUCount uint32 = 1
const defaultMaxVCPUCount uint32 = 0
const defaultMemSize uint32 = 2048 // MiB
const defaultMemSlots uint32 = 10
const defaultMemOffset uint32 = 0 // MiB
const defaultBridgesCount uint32 = 1
const defaultInterNetworkingModel = "macvtap"
const defaultDisableBlockDeviceUse bool = false
const defaultBlockDeviceDriver = "virtio-scsi"
const defaultBlockDeviceCacheSet bool = false
const defaultBlockDeviceCacheDirect bool = false
const defaultBlockDeviceCacheNoflush bool = false
const defaultEnableIOThreads bool = false
const defaultEnableMemPrealloc bool = false
const defaultEnableHugePages bool = false
const defaultEnableSwap bool = false
const defaultEnableDebug bool = false
const defaultDisableNestingChecks bool = false
const defaultMsize9p uint32 = 8192
const defaultHotplugVFIOOnRootBus bool = false
const defaultEntropySource = "/dev/urandom"
const defaultGuestHookPath string = ""
const defaultVMCacheEndpoint string = "/var/run/kata-containers/cache.sock"
// Default config file used by stateless systems.
var defaultRuntimeConfiguration = "/usr/share/defaults/kata-containers/configuration.toml"
// Alternate config file that takes precedence over
// defaultRuntimeConfiguration.
var defaultSysConfRuntimeConfiguration = "/etc/kata-containers/configuration.toml"
var name = "kata"
var defaultProxyPath = "/usr/libexec/kata-containers/kata-proxy"
var defaultNetmonPath = "/usr/libexec/kata-containers/kata-netmon"