In Juju, all Kubernetes clouds behave fundamentally the same.
Notes on juju add-k8s
On Kubernetes clouds, both the cloud definition and the cloud credentials are added through juju add-k8s, which reads from your kubeconfig file.
Authentication types
certificate
Attributes:
- ClientCertificateData: the kubernetes certificate data (required)
- Token: the kubernetes service account bearer token (required)
- rbac-id: the unique ID key name of the rbac resources (optional)
clientcertificate
Attributes:
- ClientCertificateData: the kubernetes certificate data (required)
- ClientKeyData: the kubernetes certificate key (required)
- rbac-id: the unique ID key name of the rbac resources (optional)
oauth2
Attributes:
- Token: the kubernetes token (required)
- rbac-id: the unique ID key name of the rbac resources (optional)
oauth2withcert
Attributes:
- ClientCertificateData: the kubernetes certificate data (required)
- ClientKeyData: the kubernetes private key data (required)
- Token: the kubernetes token (required)
userpass
Attributes:
- username: The username to authenticate with. (required)
- password: The password for the specified username. (required)
Cloud-specific model configuration keys
operator-storage
The storage class used to provision operator storage.
| type | string |
| default value | “” |
| immutable | true |
| mandatory | false |
workload-storage
The preferred storage class used to provision workload storage.
| type | string |
| default value | “” |
| immutable | false |
| mandatory | false |
Supported constraints
See first: Constraint
| conflicting: | [instance-type] vs. [cores, cpu-power, mem] |
| supported? | |
- allocate-public-ip |
 |
- arch |
|
- container |
|
- cores |
|
- cpu-power |
 |
- image-id |
|
- instance-role |
|
- instance-type |
|
- mem |
|
- root-disk |
|
- root-disk-source |
|
- spaces |
|
- tags |
Used for affinity. |
- virt-type |
|
- zones |
|
Placement directives
Placement directives aren’t supported on Kubernetes clouds.