diff options
| -rwxr-xr-x | create-new-vm.sh | 87 | ||||
| -rwxr-xr-x | qinit | 2 | ||||
| -rw-r--r-- | setup-arch-vm | 55 |
3 files changed, 137 insertions, 7 deletions
diff --git a/create-new-vm.sh b/create-new-vm.sh new file mode 100755 index 0000000..dd4a4ed --- /dev/null +++ b/create-new-vm.sh @@ -0,0 +1,87 @@ +#!/bin/bash + +set -e + +name=$1 +size=20G + +TMPDIR="`mktemp -d "/tmp/fb-client-up.XXXXXX"`" +trap "rm -rf '${TMPDIR}'" EXIT TERM +cd "$TMPDIR" + +cat <<EOF >vm.xml +<domain type='kvm'> + <name>$name</name> + <memory unit='KiB'>1048576</memory> + <currentMemory unit='KiB'>1048576</currentMemory> + <vcpu placement='static'>4</vcpu> + <os> + <type arch='x86_64' machine='pc-i440fx-1.7'>hvm</type> + <boot dev='hd'/> + <boot dev='network'/> + <bootmenu enable='no'/> + </os> + <features> + <acpi/> + <apic/> + <pae/> + </features> + <clock offset='utc'/> + <on_poweroff>destroy</on_poweroff> + <on_reboot>restart</on_reboot> + <on_crash>restart</on_crash> + <devices> + <emulator>/usr/sbin/qemu-system-x86_64</emulator> + <disk type='file' device='disk'> + <driver name='qemu' type='qcow2'/> + <source file='/mnt/data/libvirt/storage/${name}.img'/> + <target dev='vda' bus='virtio'/> + <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0'/> + </disk> + <controller type='usb' index='0'> + <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/> + </controller> + <controller type='pci' index='0' model='pci-root'/> + <controller type='ide' index='0'> + <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/> + </controller> + <controller type='scsi' index='0'> + <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/> + </controller> + <controller type='scsi' index='1' model='virtio-scsi'> + <address type='pci' domain='0x0000' bus='0x00' slot='0x08' function='0x0'/> + </controller> + <interface type='network'> + <source network='mynet'/> + <model type='virtio'/> + <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> + </interface> + <serial type='pty'> + <target port='0'/> + </serial> + <console type='pty'> + <target type='serial' port='0'/> + </console> + <input type='mouse' bus='ps2'/> + <graphics type='vnc' port='-1' autoport='yes'/> + <sound model='ich6'> + <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/> + </sound> + <video> + <model type='cirrus' vram='9216' heads='1'/> + <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/> + </video> + <memballoon model='virtio'> + <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/> + </memballoon> + </devices> +</domain> +EOF + +virsh vol-create-as nfs ${name}.img $size --format qcow2 +virsh define vm.xml + +vmmac=$(virsh domiflist $name | grep -oE "[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}") +echo "$name" > /srv/http/vms/hostnames/"$vmmac" + +virsh start $name @@ -32,7 +32,7 @@ declare imgroot=$config_root ### Defaults ############################# declare mem="-m 1024" declare cpus="-cpu host -smp 4" -declare net="-netdev bridge,br=virbr0,id=mynet0 -device virtio-net,netdev=mynet0" +declare net="-netdev bridge,br=virbr1,id=mynet0 -device virtio-net,netdev=mynet0" cdrom+=("-boot" "d") #declare cdrom="-cdrom $isoroot/archlinux-2012.11.01-dual.iso -boot d" diff --git a/setup-arch-vm b/setup-arch-vm index 2314645..4444591 100644 --- a/setup-arch-vm +++ b/setup-arch-vm @@ -4,12 +4,32 @@ set -e newuser="flo" disk=/dev/vda +server=192.168.123.1 die() { echo "$@" exit 1 } +get_url() { + local url=$1 + local default=$2 + wget -q -O - "$url" || echo "$default" +} + +cmdline_arg() { + local name=$1 + local default=$2 + local param + for param in $(< /proc/cmdline); do + case "${param}" in + $name=*) echo "${param##*=}" ; return 0 ;; + esac + done + + echo $default +} + grep -qE '^flags\s+: .* hypervisor( |$)' /proc/cpuinfo || die "Not running in hypervisor. aborting automatic setup" dhcpcd eth0 @@ -22,9 +42,12 @@ cat <<EOF >/etc/pacman.d/mirrorlist Server = http://mirror.server-speed.net/\$repo/os/\$arch EOF -pacstrap /mnt base syslinux sudo openssh haveged htop git zsh screen dnsutils vim +pacstrap /mnt base syslinux sudo openssh haveged htop git zsh screen dnsutils vim net-tools avahi genfstab -p /mnt >> /mnt/etc/fstab -echo "archvm" > /mnt/etc/hostname + +mymac=$(ip addr show dev eth0 | sed -rn 's#^\s+link/ether ([0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}).*$#\1#p') + +get_url "http://$server/hostnames/$mymac" "archvm" > /mnt/etc/hostname ln -s /usr/share/zoneinfo/Europe/Athens /mnt/etc/localtime echo "en_US.UTF-8 UTF-8" > /mnt/etc/locale.gen arch-chroot /mnt locale-gen @@ -44,12 +67,32 @@ TIMEOUT 50 LABEL arch MENU LABEL Arch Linux LINUX ../vmlinuz-linux - APPEND root=${disk}1 ro logo.nologo elevator=deadline console=tty0 console=ttyS0 nomodeset + APPEND root=${disk}1 rw logo.nologo elevator=deadline console=tty0 console=ttyS0 nomodeset INITRD ../initramfs-linux.img EOF -cat <<EOF > /mnt/etc/modprobe.d/modprobe.conf -blacklist cirrus +cat <<EOF >/mnt/etc/avahi/avahi-daemon.conf +[server] +browse-domains= +use-ipv4=yes +use-ipv6=yes +ratelimit-interval-usec=1000000 +ratelimit-burst=1000 + +[wide-area] +enable-wide-area=no + +[publish] + +[reflector] + +[rlimits] +rlimit-core=0 +rlimit-data=4194304 +rlimit-fsize=0 +rlimit-nofile=768 +rlimit-stack=4194304 +rlimit-nproc=3 EOF arch-chroot /mnt mkinitcpio -p linux @@ -73,7 +116,7 @@ arch-chroot /mnt passwd -d $newuser curl https://git.server-speed.net/users/flo/bin/plain/init_new_user.sh | arch-chroot /mnt sudo -u $newuser bash arch-chroot /mnt chsh -s /bin/zsh $newuser -arch-chroot /mnt systemctl enable sshd multi-user.target haveged dhcpcd.service +arch-chroot /mnt systemctl enable multi-user.target sshd haveged dhcpcd avahi-daemon sync systemctl reboot |