FreeBSD_11-系统管理——{Part_a-bhyve}

;;

创建 vm：

#!/usr/bin/env zsh

bridgeIF=bridge0
laggIF=lagg0
tapIF=tap0
phyIF_0=re0
phyIF_1=em0

isoPath=../ISOs/ubuntu.iso
volPath=/dev/zvol/zdata/ubuntu

vmName=ubuntu
cpuNum=4
memSize=4096M
volSize=200G

kldload vmm 
kldload if_tap
kldload if_lagg
kldload if_bridge

sysctl net.link.tap.uponopen=1

addr=192.168.0.254/24
router=192.168.0.1

for x in $phyIF_0 $phyIF_1
do
    ifconfig $x inet delete
    ifconfig $x inet6 delete
done

for x in $laggIF $tapIF $bridgeIF
do
    ifconfig $x destroy
done

ifconfig lagg0 create
# Avaliable Mode: lacp/roundrobin/failover/broadcast 
ifconfig lagg0 laggproto failover laggport $phyIF_0 laggport $phyIF_1
# Make sense for roundrobin only
#ifconfig lagg0 rr_limit 1000

ifconfig $tapIF create
ifconfig $bridgeIF create
ifconfig $bridgeIF addm $laggIF addm $tapIF

ifconfig $bridgeIF inet $addr
route flush
route add default $router

for x in $phyIF_0 $phyIF_1 $laggIF $tapIF $bridgeIF
do
    ifconfig $x up
done

for x in $laggIF $tapIF $bridgeIF
do
    ifconfig $x promisc
done

# Install only
#zfs create -V $volSize -o volmode=dev zdata/$vmName

bhyvectl --destroy --vm=$vmName

echo "(hd0) $volPath" > device.map
# Install only
#echo "(cd0) $isoPath" >> device.map

# Install only
#grub-bhyve -m ./device.map -r cd0 -M $memSize $vmName
grub-bhyve -m ./device.map -r hd0,msdos1 -M $memSize $vmName

#grub> linux (hd0,msdos1)/vmlinuz-XXX root=/dev/sdXN
#grub> initrd (hd0,msdos1)/initramfs-XXX
#grub> boot

bhyve -AHP \
    -s 0:0,hostbridge \
    -s 1:0,lpc \
    -s 2:0,virtio-net,$tapIF \
    -s 3:0,virtio-blk,$volPath \
    -s 4:0,ahci-cd,$isoPath \
    -c $cpuNum \
    -m $memSize \
    -l com1,stdio \
    $vmName 2>/dev/null &

管理 vm：

• ls -al /dev/vmm
• bhyvectl --destroy --vm=guest_Name

配置文件：

• /etc/sysctl.conf
  • net.link.tap.up_on_open=1

• /boot/loader.conf
  • vmm_load="YES"
  • if_bridge_load="YES"
  • if_tap_load="YES"

• /etc/rc.conf
  • cloned_interfaces="bridge_Name tap_Name"
  • ifconfig_bridge0="addm if_Name addm tap_Name"