STAGE 5 -- juju bootstrap, dc0, per-DC MAAS region (2026-07-30)
======================================================================
Run FROM the dc0 rack (D-138: cloud-facing client inside the DC).
Cloud endpoint http://10.12.8.6:5240/MAAS (D-132 q1 per-DC region).
Both constraint flags per the operator ruling "Use both flags".

--- bootstrap transcript ---
Creating Juju controller "vr1-dc0-controller" on vr1-maas
Looking for packaged Juju agent version 3.6.27 for amd64
Located Juju agent version 3.6.27-ubuntu-amd64 at https://streams.canonical.com/juju/tools/agent/3.6.27/juju-3.6.27-linux-amd64.tgz
Launching controller instance(s) on vr1-maas...
   
 - arfr7p (arch=amd64 mem=8G cores=4)  
Installing Juju agent on bootstrap instance
Waiting for address
Attempting to connect to 10.12.8.5:22
Attempting to connect to [fd50:840e:74e2:220::5]:22
Attempting to connect to 10.12.4.5:22
Connected to 10.12.8.5
Running machine configuration script...
Bootstrap agent now started
Contacting Juju controller at 10.12.8.5 to verify accessibility...

Bootstrap complete, controller "vr1-dc0-controller" is now available
Controller machines are in the "controller" model

Now you can run
	juju add-model <model-name>
to create a new model to deploy workloads.

--- juju controllers ---
Use --refresh option with this command to see the latest information.

Controller           Model  User   Access     Cloud/Region  Models  Nodes    HA  Version
vr1-dc0-controller*  -      admin  superuser  vr1-maas           1      1  none  3.6.27  

--- juju status -m controller (settled) ---
Model       Controller          Cloud/Region  Version  SLA          Timestamp
controller  vr1-dc0-controller  vr1-maas      3.6.27   unsupported  01:00:52Z

App         Version  Status  Scale  Charm            Channel     Rev  Exposed  Message
controller           active      1  juju-controller  3.6/stable  311  yes      

Unit           Workload  Agent  Machine  Public address  Ports            Message
controller/0*  active    idle   0        10.12.4.5       17022,17070/tcp  

Machine  State    Address    Inst id        Base          AZ       Message
0        started  10.12.4.5  subtle-grouse  ubuntu@22.04  default  Deployed

--- controller machine identity in MAAS ---
arfr7p	subtle-grouse	Deployed	ubuntu/jammy
