project_settings=auto.ProjectSettings(
    name=project_name,
    runtime="python",
    backend={"url": "<s3://bucket-in-different-region-or-other-account>"})
stack = auto.create_or_select_stack(stack_name=stack_name,
                                    project_name=project_name,
                                    program=pulumi_program,
                                    opts=auto.LocalWorkspaceOptions(project_settings=project_settings,
                                                                    secrets_provider=secrets_provider}))

import pulumi_eks as eks
eks.Cluster(...)

pulumi config set aws:region

aws:profile

import pulumi
import pulumi_eks as eks
from pulumi import automation as auto
import pulumi_aws as aws


backend_credentials = {
    "AWS_ACCESS_KEY_ID": "abc",
    "AWS_SECRET_ACCESS_KEY": "pqr",
    "AWS_REGION": "us-east-1",
    "AWS_SESSION_TOKEN": "some-session-token",
    "PULUMI_CONFIG_PASSPHRASE": ""
}

stack_credential = {
    "region": "us-west-2",
    "access_key": "def",
    "secret_key": "stu",
    "token": "some-session-token-again"
}


def pulumi_program():
    provider = aws.Provider(
        "eks_provider",
        aws.ProviderArgs(
            **stack_credential
        )
    )

    cluster = eks.Cluster(
        'eks-cluster',
        vpc_id="some-vpc",
        public_subnet_ids=["subnet-1", "subnet-2"],
        public_access_cidrs=['0.0.0.0/0'],
        desired_capacity=2,
        min_size=2,
        max_size=2,
        instance_type='t3.micro',
        storage_classes={"gp2": eks.StorageClassArgs(
            type='gp2', allow_volume_expansion=True, default=True, encrypted=True)},
        opts=pulumi.ResourceOptions(provider=provider)
    )
    pulumi.export("kubeconfig", cluster.kubeconfig)


stack = auto.create_stack(
            stack_name="TestStack",
            project_name="TestProject",
            program=pulumi_program(),
            opts=auto.LocalWorkspaceOptions(
                project_settings=auto.ProjectSettings(
                    name="TestProject",
                    runtime="python",
                    backend=auto.ProjectBackend(
                        url="<s3://some-bucket>"
                    ),
                ),
                env_vars=backend_credentials
                ),
            )

stack.refresh(on_output=print)
stack.up(on_output=print, color="always")

pulumi cancel