add-storage does not respect provider's maximum ranges

[Tim McNamara]

On the Azure provider, the VM instance types that Juju uses for its model-config default may only have 2 disks attached to them. Perhaps the maximum number of disks per instance type be added as a constraint?

$ juju deploy swift-storage
$ juju add-storage swift-storage/0 block-devices=azure-premium,,3
$ juju status --storage
Model Controller Cloud/Region Version SLA Timestamp
default c-teststorage azure/southeastasia 2.6.6.1 unsupported 14:07:21+12:00

App Version Status Scale Charm Store Rev OS Notes
swift-storage waiting 0/1 swift-storage jujucharms 256 ubuntu

Unit Workload Agent Machine Public address Ports Message
swift-storage/0* waiting allocating 0 52.139.235.153 agent initializing

Machine State DNS Inst id Series AZ Message
0 started 52.139.235.153 machine-0 bionic

Storage Unit Storage id Type Pool Mountpoint Size Status Message
swift-storage/0 block-devices/0 block azure-premium 1.0GiB attaching compute.VirtualMachinesClient#CreateOrUpdate: Failure sending request: StatusCode=0 -- Original Error: autorest/azure: Service returned an error. Status=<nil> Code="OperationNotAllowed" Message="The maximum number of data disks allowed to be attached to a VM of this size is 2." Target="dataDisks"
swift-storage/0 block-devices/1 block azure-premium 1.0GiB attaching compute.VirtualMachinesClient#CreateOrUpdate: Failure sending request: StatusCode=0 -- Original Error: autorest/azure: Service returned an error. Status=<nil> Code="OperationNotAllowed" Message="The maximum number of data disks allowed to be attached to a VM of this size is 2." Target="dataDisks"
swift-storage/0 block-devices/2 block azure-premium 1.0GiB attaching compute.VirtualMachinesClient#CreateOrUpdate: Failure sending request: StatusCode=0 -- Original Error: autorest/azure: Service returned an error. Status=<nil> Code="OperationNotAllowed" Message="The maximum number of data disks allowed to be attached to a VM of this size is 2." Target="dataDisks"

[Canonical Juju QA Bot (juju-qa-bot)]

This bug has not been updated in 2 years, so we're marking it Low importance. If you believe this is incorrect, please update the importance.