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provision-vm.sh
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function green() {
GREEN='\033[0;32m'
NC='\033[0m'
echo "${GREEN}$1${NC}"
}
function yellow() {
IYellow='\033[0;93m'
NC='\033[0m'
printf "${IYellow}$1${NC}"
}
function askUser() {
while true; do
yellow "$1 (y/n) "
read -r yn
if [[ $yn =~ ^[YyNn]$ ]]; then
break
fi
done
}
os=$(uname -s)
if [[ "$os" != "Darwin" ]]; then
echo "This script has to be run on MacOS"
exit
fi
platform=$(uname -m)
mkdir -p wsl-ubuntu
green "Downloading ubuntu 22.04..."
curl https://cloud-images.ubuntu.com/jammy/current/jammy-server-cloudimg-amd64.img --output wsl-ubuntu/ubuntu.img
green "Creating cloud-init metadata..."
while true
do
read -e -p "Please enter the path to your SSH public key: " ssh_key_path
echo "The content of this file is: $(cat $ssh_key_path)"
askUser "Are you happy with this ssh key?"
if [[ $yn =~ ^[Yy]$ ]]; then
break
fi
done
cat << EOF > wsl-ubuntu/user-data
#cloud-config
debug: true
disable_root: false
users:
- name: $USER
gecos: $USER
shell: /bin/bash
groups: sudo
home: /home/$USER
sudo: ALL=(ALL) NOPASSWD:ALL
lock-passwd: true
ssh-authorized-keys:
- $(cat $ssh_key_path)
power_state:
delay: now
mode: poweroff
message: Instllation done, rebooting...
timeout: 60
condition: true
runcmd:
- su - $USER -c 'wget https://nuage.malka.family/s/bED7AaoCbdNqQjz/download/installer.sh -P /home/$USER'
- su - $USER -c 'chmod +x /home/$USER/installer.sh'
- su - $USER -c 'yes | /home/$USER/installer.sh deploy'
EOF
cat << EOF > wsl-ubuntu/meta-data
instance-id: wsl-ubuntu
local-hostname: wsl-ubuntu
EOF
mkisofs -output wsl-ubuntu/cidata.iso -volid cidata -joliet -rock wsl-ubuntu/user-data wsl-ubuntu/meta-data
size=""
while ! [[ "$size" =~ ^[0-9]+$ ]]
do
read -p "Enter the wanted size (Gib) of the VM disk: " size
done
qemu-img resize wsl-ubuntu/ubuntu.img "${size}G"
max_cpus=$(sysctl -n hw.ncpu)
cpus=-1
while true
do
read -p "Enter the wanted number of virtual CPUs (max: ${max_cpus}, suggested: 6): " cpus
if [[ "$cpus" =~ ^[0-9]+$ ]]; then
if [[ "$cpus" -ge 0 ]] && [[ "$cpus" -le "$max_cpus" ]]; then
break
fi
fi
done
max_ram=$(sysctl -n hw.memsize)
max_ram=$(expr $max_ram / 1073741824)
ram=""
while true
do
read -p "Enter the wanted amount (in Gib) of virtual RAM (max: ${max_ram}, suggested: 8): " ram
if [[ "$ram" =~ ^[0-9]+$ ]]; then
if [[ "$ram" -ge 0 ]] && [[ "$ram" -le "$max_ram" ]]; then
break
fi
fi
done
ram=$(expr $ram '*' 1024)
rm wsl-ubuntu/user-data wsl-ubuntu/meta-data
green "The VM is now going to be provisionned..."
yellow "Do not touch anything during the installation, and wait for the machine to poweroff on its own!"
sleep 3
qemu-system-x86_64 -m "${ram}" -smp "${cpus}" -hda wsl-ubuntu/ubuntu.img -cdrom wsl-ubuntu/cidata.iso -device e1000,netdev=net0 -netdev user,id=net0,hostfwd=tcp::5555-:22 -nographic -accel tcg,tb-size=1024
cat << EOF > wsl-ubuntu/ubuntu.xml
<domain xmlns:qemu="http://libvirt.org/schemas/domain/qemu/1.0" type="qemu">
<name>wsl-ubuntu</name>
<uuid>e7dea98a-d0e5-47b3-b3f0-a3db6b4eccf2</uuid>
<metadata>
<libosinfo:libosinfo xmlns:libosinfo="http://libosinfo.org/xmlns/libvirt/domain/1.0">
<libosinfo:os id="http://ubuntu.com/ubuntu/22.04"/>
</libosinfo:libosinfo>
</metadata>
<memory unit="Mib">${ram}</memory>
<currentMemory unit="Mib">${ram}</currentMemory>
<vcpu placement="static">${cpus}</vcpu>
<os>
<type arch="x86_64" machine="pc-q35-8.0">hvm</type>
<boot dev="hd"/>
</os>
<features>
<acpi/>
<apic/>
</features>
<cpu mode="custom" match="exact" check="none">
<model fallback="forbid">qemu64</model>
</cpu>
<clock offset="utc">
<timer name="rtc" tickpolicy="catchup"/>
<timer name="pit" tickpolicy="delay"/>
<timer name="hpet" present="no"/>
</clock>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>destroy</on_crash>
<pm>
<suspend-to-mem enabled="no"/>
<suspend-to-disk enabled="no"/>
</pm>
<devices>
<emulator>/opt/homebrew/bin/qemu-system-x86_64</emulator>
<disk type="file" device="disk">
<driver name="qemu" type="qcow2"/>
<source file="$(pwd)/wsl-ubuntu/ubuntu.img"/>
<target dev="vda" bus="virtio"/>
<address type="pci" domain="0x0000" bus="0x04" slot="0x00" function="0x0"/>
</disk>
<disk type="file" device="cdrom">
<driver name="qemu" type="raw"/>
<source file="$(pwd)/wsl-ubuntu/cidata.iso"/>
<target dev="sda" bus="sata"/>
<readonly/>
<address type="drive" controller="0" bus="0" target="0" unit="0"/>
</disk>
<controller type="usb" index="0" model="qemu-xhci" ports="15">
<address type="pci" domain="0x0000" bus="0x02" slot="0x00" function="0x0"/>
</controller>
<controller type="pci" index="0" model="pcie-root"/>
<controller type="pci" index="1" model="pcie-root-port">
<model name="pcie-root-port"/>
<target chassis="1" port="0x10"/>
<address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x0" multifunction="on"/>
</controller>
<controller type="pci" index="2" model="pcie-root-port">
<model name="pcie-root-port"/>
<target chassis="2" port="0x11"/>
<address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x1"/>
</controller>
<controller type="pci" index="3" model="pcie-root-port">
<model name="pcie-root-port"/>
<target chassis="3" port="0x12"/>
<address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x2"/>
</controller>
<controller type="pci" index="4" model="pcie-root-port">
<model name="pcie-root-port"/>
<target chassis="4" port="0x13"/>
<address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x3"/>
</controller>
<controller type="pci" index="5" model="pcie-root-port">
<model name="pcie-root-port"/>
<target chassis="5" port="0x14"/>
<address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x4"/>
</controller>
<controller type="pci" index="6" model="pcie-root-port">
<model name="pcie-root-port"/>
<target chassis="6" port="0x15"/>
<address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x5"/>
</controller>
<controller type="pci" index="7" model="pcie-root-port">
<model name="pcie-root-port"/>
<target chassis="7" port="0x16"/>
<address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x6"/>
</controller>
<controller type="pci" index="8" model="pcie-root-port">
<model name="pcie-root-port"/>
<target chassis="8" port="0x17"/>
<address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x7"/>
</controller>
<controller type="pci" index="9" model="pcie-root-port">
<model name="pcie-root-port"/>
<target chassis="9" port="0x18"/>
<address type="pci" domain="0x0000" bus="0x00" slot="0x03" function="0x0" multifunction="on"/>
</controller>
<controller type="pci" index="10" model="pcie-root-port">
<model name="pcie-root-port"/>
<target chassis="10" port="0x19"/>
<address type="pci" domain="0x0000" bus="0x00" slot="0x03" function="0x1"/>
</controller>
<controller type="pci" index="11" model="pcie-root-port">
<model name="pcie-root-port"/>
<target chassis="11" port="0x1a"/>
<address type="pci" domain="0x0000" bus="0x00" slot="0x03" function="0x2"/>
</controller>
<controller type="pci" index="12" model="pcie-root-port">
<model name="pcie-root-port"/>
<target chassis="12" port="0x1b"/>
<address type="pci" domain="0x0000" bus="0x00" slot="0x03" function="0x3"/>
</controller>
<controller type="pci" index="13" model="pcie-root-port">
<model name="pcie-root-port"/>
<target chassis="13" port="0x1c"/>
<address type="pci" domain="0x0000" bus="0x00" slot="0x03" function="0x4"/>
</controller>
<controller type="pci" index="14" model="pcie-root-port">
<model name="pcie-root-port"/>
<target chassis="14" port="0x1d"/>
<address type="pci" domain="0x0000" bus="0x00" slot="0x03" function="0x5"/>
</controller>
<controller type="sata" index="0">
<address type="pci" domain="0x0000" bus="0x00" slot="0x1f" function="0x2"/>
</controller>
<controller type="virtio-serial" index="0">
<address type="pci" domain="0x0000" bus="0x03" slot="0x00" function="0x0"/>
</controller>
<interface type="user">
<mac address="52:54:00:f6:ad:00"/>
<model type="e1000e"/>
<address type="pci" domain="0x0000" bus="0x01" slot="0x00" function="0x0"/>
</interface>
<channel type="unix">
<target type="virtio" name="org.qemu.guest_agent.0"/>
<address type="virtio-serial" controller="0" bus="0" port="1"/>
</channel>
<input type="mouse" bus="ps2"/>
<input type="keyboard" bus="ps2"/>
<audio id="1" type="none"/>
<watchdog model="itco" action="reset"/>
<memballoon model="virtio">
<address type="pci" domain="0x0000" bus="0x05" slot="0x00" function="0x0"/>
</memballoon>
<rng model="virtio">
<backend model="random">/dev/urandom</backend>
<address type="pci" domain="0x0000" bus="0x06" slot="0x00" function="0x0"/>
</rng>
</devices>
<qemu:commandline>
<qemu:arg value="-netdev"/>
<qemu:arg value="user,id=n1,hostfwd=tcp::5555-:22"/>
<qemu:arg value="-device"/>
<qemu:arg value="virtio-net-pci,netdev=n1,bus=pcie.0,addr=0x19"/>
</qemu:commandline>
</domain>
EOF
virsh define wsl-ubuntu/ubuntu.xml
virsh start wsl-ubuntu