How to deploy machines with MAAS

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This page explains how to deploy machines with MAAS. You may also want to learn how images get deployed.

Deploy machines

To deploy allocated machines in MAAS:

  • In the MAAS UI, select Machines > machine(s) > Take action > Deploy > Deploy machines. While a machine is deploying its status will change to Deploying to ‘OS’, where ‘OS’ is the name of the OS being deployed (e.g. ‘Deploying to Ubuntu 16.04 LTS’). Once a machine has finished deploying its status will change to just the name of the OS (e.g. ‘Ubuntu 18.04 LTS’).

  • Via the MAAS CLI, execute the following commands:

    maas $PROFILE machine deploy $SYSTEM_ID

    To deploy a node as a KVM host:

    maas $PROFILE machine deploy $SYSTEM_ID install_kvm=True

Deploy an ephemeral OS (MAAS 3.5)

If you wish to deploy an ephemeral OS, select Deploy in memory when preparing to deploy the machine.

Note that networking for ephemeral OS images is only set up for Ubuntu images. For non-Ubuntu images, you only get the PXE interface set up to do DHCP against MAAS. All other interfaces need to be configured manually after deployment.

Set deployment timeout (CLI)

By default, when you deploy a machine, MAAS will consider the deployment a failure if it doesn’t complete within 30 minutes. You can configure this timeout, if you wish, with the command:

maas $PROFILE maas set-config name=node-timeout value=$NUMBER_OF_MINUTES

Add running machines (CLI)

Via the API/CLI, you can create a machine, passing the deployed flag:

$ maas $profile machines create deployed=true hostname=mymachine \   
architecture=amd64 mac_addresses=00:16:3e:df:35:bb power_type=manual

Add a running machine from the machine itself

On the machine itself (the recommended way, if the machine is running Ubuntu), you can download a helper script from MAAS and create the machine that way:

$ wget http://$MAAS_IP:5240/MAAS/maas-run-scripts
$ chmod 755 maas-run-scripts
$ ./maas-run-scripts register-machine --hostname mymachine \
 > http://$MAAS_IP:5240/MAAS $MAAS_API_TOKEN

Now you have a machine in MAAS that’s in the deployed state, with no hardware information yet.

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