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--- maas [2016/12/15 11:06]
sgiulitti
+++ maas [2016/12/16 12:11] (current)
sgiulitti
@@ Line 39: / Line 39: @@
 ###Note
 Ubuntu doesn't come with the standard naming interfaces like eth0 eth1 anymore
-instead you will see ens3 ensp5s because of systemd renaming those.
+instead you will see ens3 ens9 because of systemd renaming those.
 Let's assume the ens3 is the primary one and ensp5s the second one.
 *Example interface configuration:*
 ```bash
-# The primary network interface (external)
+# This file describes the network interfaces available on your system
+# and how to activate them. For more information, see interfaces(5).
+source /etc/network/interfaces.d/*
+# The loopback network interface
+auto lo
+iface lo inet loopback
+# The primary network interface
 auto ens3
 iface ens3 inet static
-     address 192.168.122.157
+	address 192.168.122.157
-     netmask 255.255.255.0
+	netmask 255.255.255.0
-     # isually this is virb0 address created by the virtual
+	gateway 192.168.122.1
-     # system that you are using mine is 192.168.122.1
+	dns-nameservers 8.8.8.8 8.8.4.4
-     gateway 192.168.122.1
-     dns-nameservers 8.8.8.8
+# The secondary network interface
+# This is used for internal maas only
+auto ens9
+iface ens9 inet static
+	address 10.10.10.10
+	netmask 255.255.255.0
-# The secondary NIC (used internal for MAAS)
-auto eth1
-iface eth1 inet static
-     address 10.10.10.10
-     netmask 255.255.255.0
-     dns-nameservers 8.8.8.8
-     dns-search maas
-     post-up iptables -t nat -A POSTROUTING -o ens3 -j SNAT --to-source 192.168.122.157
-     post-down iptables -t nat -D POSTROUTING -o ens3 -j SNAT --to-source 192.168.122.157
 ```
@@ Line 76: / Line 81: @@
 ##Preparing MAAS Controller
-###Install Ubuntu 14.04 server
+###Install Ubuntu 16.04 server
 Basic install
@@ Line 85: / Line 90: @@
 sudo apt-get update
 sudo apt-get upgrade
+sudo apt-get dist-upgrade
+sudo apt-get install openssh-server vlan
 sudo apt-get install software-properties-common -y
 sudo add-apt-repository ppa:maas/stable -y
@@ Line 94: / Line 101: @@
 ```bash
-sudo apt-get install maas maas-dhcp -y
+sudo apt-get install maas maas-dns maas-dhcp maas-proxy -y
 ```
+NOTE: When asked for the Ubuntu MAAS API address, double check the detected URL uses ens3’s (external) IP address: http://192.168.122.157/MAAS/.
+You can later change this by running:
+```bash
+sudo dpkg-reconfigure maas-rack-controller
+```
+Also, double check that running
+```bash
+sudo dpkg-reconfigure maas-region-controller
+```
+shows the IP address of ensp5s (managed NIC), if not set it to 10.10.10.10!
 ###Configure firewall and enable ip forwarding
@@ Line 112: / Line 132: @@
 sysctl -p
 ```
-In this example eth0 is the public interface and eth1 is the private one
+In this example ens3 is the public interface and ens9 is the private one
 ### Create admin user
@@ Line 118: / Line 138: @@
 ```bash
-sudo maas-region-admin createadmin --username root --email user@server.com
+# maas 2.0
+sudo maas-region createsuperuser
 ```
@@ Line 142: / Line 163: @@
 Edit the default cluster and enable DHCP and DNS on the interface where you will be serving DHCP (see the screenshot as an example).
-Open `http://<maas-server-ip>/MAAS/clusters/` in a browser; **eth1** is most probably the one that needs to be configured.
+Open `http://<maas-server-ip>/MAAS/clusters/` in a browser; **ens9** is most probably the one that needs to be configured.
 *Example:*
-Router IP = eth1's IP*
+Router IP = ens9's IP*
-IP = eth1's IP
+IP = ens9's IP
 ![Screenshot](http://wiki.cloudbase.it/_media/screen_shot_2014-04-23_at_01.27.08.png)
+### How to configure MAAS to be able to boot virtual machines with virsh
+The libvirt-bin package needs to be installed to get the virsh command
+```bash
+sudo apt-get -y install libvirt-bin
+```
+If you want to use ssh you'll need to generate a ssh key pair for the maas user.
+By default there is no home directory created for the maas user.
+```bash
+sudo mkdir -p ~maas
+sudo chown maas:maas ~maas
+```
+Add a login shell for the maas user (we'll only need this for the ssh-copy-id command later;
+if you're putting ssh keys in place manually or using a different mechanism, this step isn't strictly needed):
+```bash
+sudo chsh -s /bin/bash maas
+```
+Generate a SSH keypair as the maas user (hit enter three times to accept the default path and empty password):
+```bash
+sudo -u maas ssh-keygen
+Generating public/private rsa key pair.
+Enter file in which to save the key (/home/maas/.ssh/id_rsa):
+Created directory '/home/maas/.ssh'.
+Enter passphrase (empty for no passphrase):
+Enter same passphrase again:
+Your identification has been saved in /home/maas/.ssh/id_rsa.
+Your public key has been saved in /home/maas/.ssh/id_rsa.pub.
+```
+Then add the public key to ~ubuntu/.ssh/authorized_keys on the vm server so virsh can use ssh without a password:
+```bash
+sudo -u maas -i ssh-copy-id ubuntu@192.168.122.1
+```
+As the maas user, test virsh commands against libvirt at 192.168.122.1:
+```bash
+sudo -u maas virsh -c qemu+ssh://ubuntu@192.168.122.1/system list --all
+```
 ###Set upstream DNS

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