Redshift-Cluster User Auto-Create

Question

We are using SAML identity provider for user authentication. We have created an IAM role through which we could access the Query Editor, but the user is not created afterwards. How to auto create user while logging into Redshift cluster?

We have added the following policy to the role as well
            "Effect": "Allow",
            "Action": "redshift:CreateClusterUser",
            "Resource": "arn:aws:redshift:us-east-1:AccountNumber:cluster:cluster-name/${redshift:DbUser}"

Answer

In the SAML attribute mappings you need to have 
```
https://redshift.amazon.com/SAML/Attributes/AutoCreate
```
 set to 
```
True
```

If this parameter is set, new users authenticated by the IdP are automatically created in Amazon Redshift

Redshift-Cluster User Auto-Create

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