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KubeStash with RBAC Enabled Cluster
KubeStash comes with built-in support for RBAC enabled cluster. KubeStash installer create a ClusterRole and ClusterRoleBinding giving necessary permission to the operator.
Operator Permissions
KubeStash operator needs the following RBAC permissions,
| API Groups | Resources | Permissions |
|---|---|---|
| apiextensions.k8s.io | customresourcedefinitions | get, create, patch, update |
| admissionregistration.k8s.io | mutatingwebhookconfigurations, validatingwebhookconfigurations | * |
| core.kubestash.com | * | * |
| storage.kubestash.com | * | * |
| config.kubestash.com | * | * |
| addons.kubestash.com | * | * |
| kubedb.com | * | * |
| catalog.kubedb.com | elasticsearchs | get, list, watch |
| elasticsearch.kubedb.com | elasticsearchdashboards | list |
| appcatalog.appscode.com | * | get, list, watch |
| apps | daemonsets, replicasets, statefulsets | get, list, watch |
| apps | deployments | get, list, watch, create, patch, update |
| batch | jobs, cronjobs | get, list, watch, create, patch, update, delete |
| "" | events | create |
| "" | persistentvolumeclaims, persistentvolumes | get, list, watch, create, patch, delete, update |
| "" | services, endpoints, pods | get, list, watch |
| "" | secrets | get, list, create, patch, watch, delete |
| "" | nodes, namespaces | get, list, watch |
| "" | pods/exec | create |
| "" | serviceaccounts | get, list, watch, create, delete, patch, update |
| rbac.authorization.k8s.io | clusterroles, roles, rolebindings, clusterrolebindings | get, list, watch, create, delete, patch, update |
| apps.openshift.io | deploymentconfigs | get, list, watch, patch |
| policy | podsecuritypolicies | use |
| snapshot.storage.k8s.io | * | * |
| storage.k8s.io | storageclasses | get, list, watch |
Here,
""in API Group column meanscoreAPI groups.*in Resources colum means all resources.*in Permission colum means all permissions.
User facing ClusterRoles
KubeStash introduces custom resources, such as, BackupConfiguration, BackupSession, BackupStorage, RestoreSession, Function, and Addon etc. KubeStash installer will create 2 user facing cluster roles:
| ClusterRole | Aggregates To | Description |
|---|---|---|
| appscode:kubestash-kubestash-operator:edit | admin, edit | Allows edit access to KubeStash CRDs. |
| appscode:kubestash-kubestash-operator:view | view | Allows read-only access to Stash CRDs |
These user facing roles supports ClusterRole Aggregation feature in Kubernetes 1.9 or later clusters.