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Stash with RBAC Enabled Cluster
Stash comes with built-in support for RBAC enabled cluster. Stash installer create a ClusterRole and RoleBinding giving necessary permission to the operator.
Operator Permissions
Stash operator needs the following RBAC permissions,
| API Groups | Resources | Permissions |
|---|---|---|
| apiextensions.k8s.io | customresourcedefinitions | * |
| apiextensions.k8s.io | apiservices | get, patch, delete |
| admissionregistration.k8s.io | mutatingwebhookconfigurations, validatingwebhookconfigurations | get, list, watch, patch, delete |
| stash.appscode.com | * | * |
| appcatalog.appscode.com | * | * |
| apps | daemonsets, deployments, replicasets, statefulsets | get, list, watch, patch |
| batch | jobs, cronjobs | get, list, watch, create, patch, delete |
| "" | namespaces, replicationcontrollers | get, list, watch, patch |
| "" | configmaps | get, list, watch,create, update, delete |
| "" | persistentvolumeclaims | get, list, watch, create, patch |
| "" | services, endpoints | get |
| "" | secrets, events | get, list, create, patch |
| "" | nodes | list |
| "" | pods, pods/exec | get, list, create, delete, deletecollection |
| "" | serviceaccounts | get, create, patch, delete |
| rbac.authorization.k8s.io | clusterroles, roles, rolebindings, clusterrolebindings | get, create, delete, patch |
| apps.openshift.io | deploymentconfigs | get, list, watch, patch |
| policy | podsecuritypolicies | use |
| snapshot.storage.k8s.io | volumesnapshots, volumesnapshotcontents, volumesnapshotclasses | get, list, watch, create, patch, delete |
| storage.k8s.io | storageclasses | get |
Here,
""in API Group column meanscoreAPI groups.*in Resources colum means all resources.*in Permission colum means all permissions.
User facing ClusterRoles
Stash introduces custom resources, such as, BackupConfiguration,BackupBatch, BackupSession, Repository, RestoreSession, RestoreBatch, Function, and Task etc. Stash installer will create 2 user facing cluster roles:
| ClusterRole | Aggregates To | Desription |
|---|---|---|
| appscode:stash:edit | admin, edit | Allows edit access to Stash CRDs, intended to be granted within a namespace using a RoleBinding. |
| appscode:stash:view | view | Allows read-only access to Stash CRDs, intended to be granted within a namespace using a RoleBinding. |
These user facing roles supports ClusterRole Aggregation feature in Kubernetes 1.9 or later clusters.