Install fails due to missing simplejson. This is a fresh install of MAAS 1.10.0+bzr4578-0ubuntu1 on xenial. I suspect this is why upgrades work and fresh installs don't. Upgrades would likely have simplejson.
Setting up maas-cluster-controller (1.10.0+bzr4578-0ubuntu1) ...
Traceback (most recent call last):
File "/usr/sbin/maas-region-admin", line 62, in <module>
main()
File "/usr/sbin/maas-region-admin", line 58, in main
run()
File "/usr/sbin/maas-region-admin", line 51, in run
management.execute_from_command_line()
File "/usr/lib/python3/dist-packages/django/core/management/__init__.py", line 354, in execute_from_command_line
utility.execute()
File "/usr/lib/python3/dist-packages/django/core/management/__init__.py", line 328, in execute
django.setup()
File "/usr/lib/python3/dist-packages/django/__init__.py", line 18, in setup
apps.populate(settings.INSTALLED_APPS)
File "/usr/lib/python3/dist-packages/django/apps/registry.py", line 108, in populate
app_config.import_models(all_models)
File "/usr/lib/python3/dist-packages/django/apps/config.py", line 198, in import_models
self.models_module = import_module(models_module_name)
File "/usr/lib/python3.5/importlib/__init__.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 986, in _gcd_import
File "<frozen importlib._bootstrap>", line 969, in _find_and_load
File "<frozen importlib._bootstrap>", line 958, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 673, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 662, in exec_module
File "<frozen importlib._bootstrap>", line 222, in _call_with_frames_removed
File "/usr/lib/python3/dist-packages/maasserver/models/__init__.py", line 60, in <module>
from maasserver.models.blockdevice import BlockDevice
File "/usr/lib/python3/dist-packages/maasserver/models/blockdevice.py", line 35, in <module>
from maasserver.models.filesystemgroup import FilesystemGroup
File "/usr/lib/python3/dist-packages/maasserver/models/filesystemgroup.py", line 37, in <module>
from maasserver.utils.orm import get_one
File "/usr/lib/python3/dist-packages/maasserver/utils/__init__.py", line 28, in <module>
from maasserver.exceptions import NodeGroupMisconfiguration
File "/usr/lib/python3/dist-packages/maasserver/exceptions.py", line 29, in <module>
import simplejson as json
ImportError: No module named 'simplejson'
dpkg: error processing package maas-cluster-controller (--configure):
subprocess installed post-installation script returned error exit status 1
