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You can import the Namespace into a Pulumi stack and then make updates to it. See <https://www.pulumi.com/blog/adopting-existing-cloud-resources-into-pulumi/#adopting-existing-resources> for details.

Import:
```const ns = new k8s.core.v1.Namespace("default", { metadata: { name: "default" }}, {
    import: "default",
})```
Update:
```const ns = new k8s.core.v1.Namespace("default", { metadata: { name: "default", annotations: {foo: "bar"} }})```

```$ kubectl get ns default -o yaml
apiVersion: v1
kind: Namespace
metadata:
  annotations:
    foo: bar
    <http://kubectl.kubernetes.io/last-applied-configuration|kubectl.kubernetes.io/last-applied-configuration>: |
      {"apiVersion":"v1","kind":"Namespace","metadata":{"annotations":{"foo":"bar"},"name":"default"}}
  creationTimestamp: "2020-03-03T22:32:04Z"
  name: default
  resourceVersion: "702728"
  selfLink: /api/v1/namespaces/default
  uid: 34ac29f3-7eb1-4f48-b7a0-504f41cf02a2
spec:
  finalizers:
  - kubernetes
status:
  phase: Active```

<@UE1LN7A22> I tried what you suggested above.

```const defaultns = new k8s.core.v1.Namespace("default", {
    metadata: { 
        name: "default", 
        labels: { 
            "istio-injection":"enabled" } 
        }
}, {provider: k8sProvider, import: "default"});```

but am getting error
```  kubernetes:core:Namespace (default):
    warning: inputs to import do not match the existing resource; importing this resource will fail```

`"default"` is the ID needed to import the default namespace from k8s right ?
or how can I get the ID.

Thanks :pray:

The resource definition has to match what’s already there on import. After it’s imported, you can change it (add labels, etc). Guessing the error is due to the `istio-injection` label

how do I apply the label to the imported resource ?

Once you import the resource, Pulumi takes ownership of it, so any changes you make in the program definition are applied on update. (i.e., add the labels to the resource definition and run an update)

I got it.

So this needs to be done on 2 steps.

1. import the namespace 
2. add label and run `pulumi up`

Not currently. <https://github.com/pulumi/pulumi-kubernetes/issues/264> is related, and we’re thinking about how to better support this type of scenario in the future.