MaaS 3.4 with Debian packages, Rack fail to register


I’m testing MaaS 3.4 1:3.4.0~rc1-14283-g.89901d5cb-0ubuntu1~22.04.1 Debian packages with two Ubuntu 22.04 hosts as Virtual Machines (Virt-Manager in my Ubuntu 22.04 laptop).


Region Controller

IPs: eth0 192.168.122.XXX`

apt-add-repository ppa:maas/3.4-next
apt update
apt install maas-region-controller
maas createadmin

So far, so good. I can access MaaS Web UI and finish its setup.

Rack Controller:

IPs: eth0 192.168.122.XXY, eth1 192.168.64.XXY` for PXE (isolated Libvirt network)

apt-add-repository ppa:maas/3.4-next
apt update
apt install maas-rack-controller
maas-rack register --url http://192.168.122.XXX:5240/MAAS --secret $SECRET

However, it does not do anything.

In the Region, I’m watching:

tail -F /var/log/maas/*.log /var/log/maas/proxy/*.log /var/log/maas/http/*.log

Nothing shows up when I try to register it.

However, if I remove the Debian packages (only in the Rack controller) and install it via snap, then it works:

apt purge maas-rack-controller
apt autoremove
snap install maas
maas init rack --maas-url http://192.168.122.XXX:5240/MAAS --secret $SECRET
# I noticed it was the previous version, then, I refreshed it
snap refresh maas --channel=3.4/beta

Then it registers itself! And I can see stuff on the logs.

I’m not interested in the snap packages at this time.

I appreciate any help!

Thanks in advance

Hi @tmartins !

Thank you for reporting this. Let me try to reproduce it and get back to you in the next hours

I think I reproduced the error locally and the issue should be on the rack controller. Could you please run tail -F /var/log/maas/*.log on the rack? Do you have any error statement there?

Hi @r00ta,

This seems to be an easy one! Just a permission issue.

When I run:

maas-rack register --url http://192.168.122.XXX:5240/MAAS --secret $SECRET
==> /var/log/maas/rackd.log <==
Traceback (most recent call last):
  File "/usr/sbin/rackd", line 33, in <module>
    sys.exit(load_entry_point('maas==3.4.0rc1', 'console_scripts', 'rackd')())
  File "/usr/lib/python3/dist-packages/provisioningserver/", line 95, in run
  File "/usr/lib/python3/dist-packages/provisioningserver/", line 90, in runService
  File "/usr/lib/python3/dist-packages/twisted/application/", line 370, in run
    self.application = self.createOrGetApplication()
  File "/usr/lib/python3/dist-packages/twisted/application/", line 432, in createOrGetApplication
    ser = plg.makeService(self.config.subOptions)
  File "/usr/lib/python3/dist-packages/provisioningserver/", line 276, in makeService
    secret = MAAS_SHARED_SECRET.get()
  File "/usr/lib/python3/dist-packages/provisioningserver/utils/", line 64, in get
  File "/usr/lib/python3.10/", line 1134, in read_text
    with'r', encoding=encoding, errors=errors) as f:
  File "/usr/lib/python3.10/", line 1119, in open
    return, mode, buffering, encoding, errors,
PermissionError: [Errno 13] Permission denied: '/var/lib/maas/secret'
root@maas-rackd-1:~# ll /var/lib/maas/secret
-rw------- 1 root maas 32 Jul 10 17:06 /var/lib/maas/secret

I’ll set it to 0640. Let me know if this isn’t a good idea.

Yeah it’s the same issue I get. I reported the bug as . I think your workaround is fine for the time being until we fix this upstream


The fix has landed. It will be available in the next minor and major releases. Thank you!

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