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Add instructions for Workload identity policies #358

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Mar 20, 2024
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Add instructions for Workload identity policies #358

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Add instructions for Workload identity policies
shyamradhakrishnan Mar 19, 2024
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Add instructions for Workload identity policies
shyamradhakrishnan Mar 19, 2024
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11 changes: 11 additions & 0 deletions docs/src/gs/multi-tenancy.md
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Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,7 @@ spec shown below uses Instance Principals.

```yaml
---
apiVersion: infrastructure.cluster.x-k8s.io/v1beta2
kind: OCIClusterIdentity
metadata:
name: cluster-identity
Expand All @@ -90,6 +91,7 @@ Cluster Identity supports [Workload][workload] access to OCI resources also know

```yaml
---
apiVersion: infrastructure.cluster.x-k8s.io/v1beta2
kind: OCIClusterIdentity
metadata:
name: cluster-identity
Expand All @@ -98,6 +100,15 @@ spec:
type: Workload
allowedNamespaces: {}
```
CAPOCI, by default create a Service Account `capoci-controller-manager` in namespace `cluster-api-provider-oci-system`.
Workload identity needs to have policies required to create OKE or Self managed clusters. For example, the following
policies will provide Workload identity with permissions to create OKE cluster.
- `Allow any-user to manage virtual-network-family in compartment <compartment> where all { request.principal.type = 'workload', request.principal.namespace = 'cluster-api-provider-oci-system', request.principal.service_account = 'capoci-controller-manager'}`
- `Allow any-user to manage cluster-family in compartment <compartment> where all { request.principal.type = 'workload', request.principal.namespace = 'cluster-api-provider-oci-system', request.principal.service_account = 'capoci-controller-manager'}`
- `Allow any-user to manage volume-family in compartment <compartment> where all { request.principal.type = 'workload', request.principal.namespace = 'cluster-api-provider-oci-system', request.principal.service_account = 'capoci-controller-manager'}`
- `Allow any-user to manage instance-family in compartment <compartment> where all { request.principal.type = 'workload', request.principal.namespace = 'cluster-api-provider-oci-system', request.principal.service_account = 'capoci-controller-manager'}`
- `Allow any-user to inspect compartments in compartment <compartment> where all { request.principal.type = 'workload', request.principal.namespace = 'cluster-api-provider-oci-system', request.principal.service_account = 'capoci-controller-manager'}`

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[iam-user]: https://docs.oracle.com/en-us/iaas/Content/API/Concepts/apisigningkey.htm#Required_Keys_and_OCIDs
[instance-principals]: https://docs.oracle.com/en-us/iaas/Content/Identity/Tasks/callingservicesfrominstances.htm
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