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# The goal here is to create an instance using canonistack
## and run maas inside that instance. Then, make use of kvm from
## inside the instance (aided with nested-virtualization)
## to start and stop nodes.
##
# launch instance of quantal image
# then ssh in like
# ssh 10.55.60.113 -L 10080:localhost:80
# add the daily ppa
sudo apt-add-repository ppa:maas-maintainers/dailybuilds -y
sudo apt-get update
mkdir -p ~/bin
BRIDGE="maasbr0"
MAAS_GW="192.168.77.1"
MAAS_NM="255.255.255.0"
MAAS_BC="192.168.77.255"
MAAS_RANGE="192.168.77.5,192.168.77.200"
MAAS_DHCP_INT="$BRIDGE"
MAAS_NEXT_SERVER="$MAAS_GW"
sudo apt-get install libvirt-bin --assume-yes </dev/null
sudo adduser $(id -u --name) libvirtd
cat > libvirt-$BRIDGE.xml <<EOF
<network>
<name>$BRIDGE</name>
<forward mode='nat'/>
<bridge name='$BRIDGE' stp='off' delay='0' />
<ip address='$MAAS_GW' netmask='$MAAS_NM'>
</ip>
</network>
EOF
sg libvirtd -c "virsh -c qemu:///system net-define libvirt-$BRIDGE.xml"
sg libvirtd -c "virsh -c qemu:///system net-autostart $BRIDGE"
sg libvirtd -c "virsh -c qemu:///system net-start $BRIDGE"
sudo tee /usr/local/bin/xmaas-get-user-creds <<"EOF"
#!/usr/bin/python
import sys, os
sys.path.insert(0, "/usr/share/maas")
os.environ['DJANGO_SETTINGS_MODULE'] = 'maas.settings'
from maasserver.models.user import get_creds_tuple
from django.contrib.auth.models import User
from apiclient.creds import convert_tuple_to_string
admin = User.objects.get(username=sys.argv[1])
token = admin.tokens.all()[0]
print convert_tuple_to_string(get_creds_tuple(token))
EOF
sudo chmod 755 /usr/local/bin/xmaas-get-user-creds
sudo tee "/usr/local/bin/xmaas-addssh-key" <<"EOF"
#!/usr/bin/python
# this hackily adds an ssh key until LP: #1056860 is fixed
import sys, os
sys.path.insert(0, "/usr/share/maas")
os.environ['DJANGO_SETTINGS_MODULE'] = 'maas.settings'
from maasserver.models.sshkey import SSHKey
from django.contrib.auth.models import User
user = User.objects.get(username=sys.argv[1])
kdata = open(sys.argv[2]).read()
key = SSHKey(key=kdata, user=user)
user.sshkey_set.add(key)
user.save()
EOF
sudo chmod 755 /usr/local/bin/xmaas-addssh-key
xkvm_url="http://smoser.brickies.net/git/?p=tildabin.git;a=blob_plain;f=xkvm;hb=HEAD"
sudo wget "${xkvm_url}" -O /usr/local/bin/xkvm
sudo chmod 755 /usr/local/bin/xkvm
# use /mnt as a place for kvm images, it likely has space.
sudo chown $(id -u):$(id -g) -R /mnt
mcc="maas-cluster-controller"
cat <<EOF | sed 's,[ ]*|[ ]*,\t,g' | sudo debconf-set-selections
$mcc |$mcc/maas-url |string |http://localhost/MAAS
EOF
pkgs="qemu-kvm linux-image-extra-virtual uml-utilities" # for kvm
pkgs="$pkgs maas maas-dhcp maas-dns maas-cli"
( sudo apt-get --assume-yes dist-upgrade &&
sudo DEBIAN_FRONTEND=noninteractive \
apt-get --quiet --assume-yes install $pkgs &&
sudo adduser $(id -u --name) kvm &&
{ sudo modprobe kvm_intel ; sudo modprobe kvm_amd; :; }
) </dev/null
# attempting to test LP: #1034116
echo "STREAM=daily" | sudo tee -a /etc/maas/import_ephemerals
sudo maas createadmin --username=ubuntu --password=ubuntu \
--email=ubuntu@example.com
CREDS=$(sudo xmaas-get-user-creds ubuntu)
maas-cli login maaslocal http://localhost/MAAS/api/1.0 "$CREDS"
maas-cli maaslocal node-groups list > out.tmp
sed -n '/^\[$/,$p' out.tmp > out
master_uuid=$(python -c 'import yaml; print yaml.load(open("out"))[0]["uuid"]')
# list master node group interfaces
maas-cli maaslocal node-group-interfaces list ${master_uuid}
# set up our dhcp server
maas-cli maaslocal node-group-interface update ${master_uuid} $BRIDGE \
ip=$MAAS_GW interface=$MAAS_DHCP_INT management=2 subnet_mask=$MAAS_NM \
broadcast_ip=$MAAS_BC router_ip=$MAAS_GW \
ip_range_low=${MAAS_RANGE%,*} ip_range_high=${MAAS_RANGE#*,}
# add your ssh keys (LP: #1056860)
[ -f ~/.ssh/id_rsa.pub ] || ssh-keygen -N '' -f ~/.ssh/id_rsa
sudo xmaas-addssh-key ubuntu ~/.ssh/id_rsa.pub
## LP: 1047061
sudo sed -i.dist "s/next-server .*/next-server $MAAS_NEXT_SERVER;/" \
/etc/maas/dhcpd.conf
sudo service maas-dhcp-server restart
## maas-dhcp-server may run before libvirt-bin.
## if it does, then it will fail because the 'maasbr0' interface
## does not yet exist
sudo tee -a /etc/init/libvirt-maas-dhcpd-restart.conf <<"EOF"
description "restart dhcpd"
start on started libvirt-bin
task
script
sleep 5 # hack, let the interfaces comeup
start maas-dhcp-server
end script
EOF
# import tftp and ephemeral images
sudo maas-import-pxe-files
# reboot to
# - get into new kernel (with new modules)
# - logout to make sure you're in kvm group
# - get your PATH to have ~/bin
# - get new dnsmasq settings (LP: #1043588)
sudo reboot # reboot to get into new kernel if that brought one
# xkvm now should function to easily put instances on the network where maas is
# listening to dhcp and dns.
# to boot a node with MAC 52:54:00:12:34:01 (change '01' to '02' to differ).
# then run:
qemu-img create -f qcow2 system-01.img 8G
xkvm --netdev maasbr0,macaddr=:01 -- \
-drive file=system-01.img,if=virtio -curses
# alternatively, with 2 NICS:
# this tests the function of 'ip=::::<hostname>:BOOTIF' getting changed
xkvm --netdev virbr0,macaddr=:06 --netdev maasbr0,macaddr=:05 -- \
-drive file=system-01.img,if=virtio -curses -serial file:my.serial
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