Upgrade of principal charm with relation to subordinate with LXD profile fails with ERROR Error: Requested profile doesn't exist

[Frode Nordahl]

It appears that the above message always is presented to the user when upgrading a principal charm related to a subordinate charm which has a LXD profile.

As a result the machine holding the principal charm is put into a error state.

Environment:
$ juju --version
2.5-beta2-bionic-amd64

$ snap info juju | grep installed:
installed: 2.5-beta2+develop-294ca9f (5992) 70MB classic

Steps to reproduce:
$ juju bootstrap --no-gui localhost
$ charm pull ubuntu
$ juju deploy ./ubuntu
$ juju deploy neutron-openvswitch
$ juju add-relation ubuntu:juju-info neutron-openvswitch:juju-info
< wait for deployment to complete, neutron-openvswitch will be blocked on missing relations but that is not important for the test >
$ juju upgrade-charm ubuntu --path ./ubuntu
Added charm "local:bionic/ubuntu-1" to the model.
ERROR Error: Requested profile 'juju-default-ubuntu-1' doesn't exist
$ juju status
Model Controller Cloud/Region Version SLA Timestamp
default localhost-localhost localhost/localhost 2.5-beta2 unsupported 06:04:02+01:00

App Version Status Scale Charm Store Rev OS Notes
neutron-openvswitch 12.0.5 blocked 1 neutron-openvswitch jujucharms 255 ubuntu
ubuntu 18.04 active 1 ubuntu local 1 ubuntu

Unit Workload Agent Machine Public address Ports Message
ubuntu/0* active idle 0 10.130.236.177 ready
  neutron-openvswitch/0* blocked idle 10.130.236.177 Missing relations: messaging

Machine State DNS Inst id Series AZ Message
0 error 10.130.236.177 juju-7284c9-0 bionic cannot upgrade machine's lxd profile: Requested profile 'juju-default-ubuntu-1' doesn't exist

[Frode Nordahl (fnordahl)]

Same issue with MaaS provider:

$ juju status
Model Controller Cloud/Region Version SLA Timestamp
default maas maas 2.5-beta2 unsupported 06:47:01+01:00

App Version Status Scale Charm Store Rev OS Notes
neutron-openvswitch 12.0.5 blocked 1 neutron-openvswitch jujucharms 255 ubuntu
ubuntu 18.04 active 1 ubuntu local 0 ubuntu

Unit Workload Agent Machine Public address Ports Message
ubuntu/0* active idle 0/lxd/0 172.16.122.252 ready
  neutron-openvswitch/0* blocked idle 172.16.122.252 Missing relations: messaging

Machine State DNS Inst id Series AZ Message
0 started 172.16.122.251 rkxagy bionic default Deployed
0/lxd/0 started 172.16.122.252 juju-418942-0-lxd-0 bionic default Container started

$ juju upgrade-charm ubuntu --path ./ubuntu
Added charm "local:bionic/ubuntu-1" to the model.
ERROR Error: Profile doesn't exist: juju-default-ubuntu-1

$ juju status
Model Controller Cloud/Region Version SLA Timestamp
default maas maas 2.5-beta2 unsupported 06:48:34+01:00

App Version Status Scale Charm Store Rev OS Notes
neutron-openvswitch 12.0.5 blocked 1 neutron-openvswitch jujucharms 255 ubuntu
ubuntu 18.04 active 1 ubuntu local 1 ubuntu

Unit Workload Agent Machine Public address Ports Message
ubuntu/0* active idle 0/lxd/0 172.16.122.252 ready
  neutron-openvswitch/0* blocked idle 172.16.122.252 Missing relations: messaging

Machine State DNS Inst id Series AZ Message
0 started 172.16.122.251 rkxagy bionic default Deployed
0/lxd/0 error 172.16.122.252 juju-418942-0-lxd-0 bionic default cannot upgrade machine's lxd profile: Profile doesn't exist: juju-default-ubuntu-1

[Frode Nordahl (fnordahl)]

The lxc profiles look like this prior to upgrade:
$ juju ssh 0
$ sudo lxc profile list
+--------------------------------------+---------+
| NAME | USED BY |
+--------------------------------------+---------+
| default | 1 |
+--------------------------------------+---------+
| juju-default-neutron-openvswitch-255 | 1 |
+--------------------------------------+---------+

FTR same situation on OpenStack provider deploy:
$ juju status
Model Controller Cloud/Region Version SLA Timestamp
default fnordahl-serverstack serverstack/serverstack 2.5-beta2 unsupported 06:00:46Z

App Version Status Scale Charm Store Rev OS Notes
neutron-openvswitch 12.0.5 blocked 1 neutron-openvswitch jujucharms 255 ubuntu
ubuntu 18.04 active 1 ubuntu local 0 ubuntu

Unit Workload Agent Machine Public address Ports Message
ubuntu/0* active idle 0/lxd/0 252.0.19.53 ready
  neutron-openvswitch/0* blocked idle 252.0.19.53 Missing relations: messaging

Machine State DNS Inst id Series AZ Message
0 started 10.5.0.19 1ed152a0-ab27-4da7-a3b1-c54b206d90e5 bionic nova ACTIVE
0/lxd/0 started 252.0.19.53 juju-b20a9a-0-lxd-0 bionic nova Container started

$ juju upgrade-charm ubuntu --path ./ubuntu
Added charm "local:bionic/ubuntu-1" to the model.
ERROR Error: Profile doesn't exist: juju-default-ubuntu-1
$ juju models
Controller: fnordahl-serverstack

Model Cloud/Region Status Machines Cores Access Last connection
controller serverstack/serverstack available 1 4 admin just now
default* serverstack/serverstack available 2 2 admin 16 seconds ago
zaza-553b3e980f80 serverstack/serverstack available 11 26 admin 11 minutes ago

ubuntu@test:~$ juju status
Model Controller Cloud/Region Version SLA Timestamp
default fnordahl-serverstack serverstack/serverstack 2.5-beta2 unsupported 06:01:14Z

App Version Status Scale Charm Store Rev OS Notes
neutron-openvswitch 12.0.5 blocked 1 neutron-openvswitch jujucharms 255 ubuntu
ubuntu 18.04 active 1 ubuntu local 1 ubuntu

Unit Workload Agent Machine Public address Ports Message
ubuntu/0* active executing 0/lxd/0 252.0.19.53 (config-changed) ready
  neutron-openvswitch/0* blocked idle 252.0.19.53 Missing relations: messaging

Machine State DNS Inst id Series AZ Message
0 started 10.5.0.19 1ed152a0-ab27-4da7-a3b1-c54b206d90e5 bionic nova ACTIVE
0/lxd/0 error 252.0.19.53 juju-b20a9a-0-lxd-0 bionic nova cannot upgrade machine's lxd profile: Profi...

[Heather Lanigan (hmlanigan)]

https://github.com/juju/juju/pull/9542