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5. The GCP Deployment manager template is deployed through the logged-in user, and the resources inside the template are created through the default service account of GCP Deployment Manager. 
   To create other Google Cloud resources, Deployment Manager uses the credentials of the Google APIs Service Agent to authenticate to other APIs. The Google APIs Service Agent is designed specifically to run internal Google processes on your behalf. This service account is identifiable using the email: [ PROJECT_NUMBER]@cloudservices.gserviceaccount.com

   1. The above service account must  have the Editor predefined role attached.

   2. Compute Network User: If using a Shared Network, grant the above service account the 'Compute Network User' predefined role to the project where the network originally resides.

6. Static External IP will be required. For more information, see Google documentation.

7. Dataproc Service Agent service account: Dataproc creates this service account with the Dataproc Service Agent role in a Dataproc user's Google Cloud project. This service account cannot be replaced by a user-specified service account when you create a cluster. This service agent account is used to perform Dataproc control plane operations, such as creating, updating, and deleting cluster VMs. Please refer to Dataproc Service Agent (Control Plane identity) for details.
   By default, Dataproc uses the service-[project-number]@dataproc-accounts.iam.gserviceaccount.com as the service agent account. If that service account doesn't exist, Dataproc uses the Google  APIs service agent account , [project-number]@cloudservices.gserviceaccount.com, for control plane operations.   

   Permission required :    

   • The above service account must have the Dataproc Service Agent predefined role attached.

8. Private Google Access must be enabled for the subnet that you will use for deploying Kyvos and Dataproc clusters.

9.  Secret Manager API Should be enabled.

10. If the deployment network is in the standard tier, the external static IP should be in the standard tier. Conversely, if the deployment network is in the premium tier, the external static IP should be in the premium tier.

11. The iam.serviceAccounts.create permission is required for creating a new service account (logged-in user).

12. When deploying in Kyvos in Shared VPC in Shared Project, ensure that the following prerequisites are met.

    • If VPC is in a different project, add the firewall rules:

      • For adding firewall rules, refer to Google documentation to create VPC firewall rules.

      • For Kyvos Firewall rules, do the following:

        1. Ensure that the following ports are opened/allowed in the Firewall inbound rules for all internal communication between Kyvos instances.
           2121, 2181, 2888, 3888, 4000, 6602, 6903, 6703, 45450, 45460, 45461, 45462, 45463, 45464, 45465, 6603, 6702, 6803, 7003, 45440, 6605, 45421, 45564, 4000, 8080, 8081, 8005, 8009, 8443, 8444, 9443, 22 and 9444.

        2. Ensure that the following ports are opened/allowed in the Firewall inbound rules for all internal communication between the Dataproc cluster and Kyvos.
           3306, 8030, 8031, 8032, 8033, 8042, 8088, 9083, 8188, 18080, 8050, 8051, 8020, 10020, 19888, 10033, 8188, 9870, 10200, 10000, 10002, 22, 45460, 9866, 8998, and 9867
           NOTE: The port 8998 is required for Livy. The port 8998 is also required when upgrading the Kyvos cluster to version 2023.3

    . 

    • • 2. Ports 22, 8080, and 8081 should be accessible from outside of the cluster from where you want to access the Web application.

        3. Create a firewall rule with all ports open between Dataproc master and worker nodes using network tags as targets, which will be attached to the Dataproc.
           For more information about the required ports between the Dataproc master nodes and the worker nodes, refer to GCP documentation at: Dataproc Cluster Network Configuration

    .
    If

    • Add the

    deployment network is in the standard tier, the external static IP should be in the standard tier. Conversely, if the deployment network is in the premium tier, the external static IP should be in the premium tier.The iam.serviceAccounts.create permission is required for creating a new service account (logged-in user).

    • compute network user permission on the subnet for the following service accounts:

      • service-[project-number]@dataproc-accounts.iam.gserviceaccount.com

      • [PROJECT_NUMBER]@cloudservices.gserviceaccount.com

13. When the None option is selected for External IP

    1. Enable Public NAT Gateway, which will let VM connect to Internet Privately without External IP

    2. Use respective VPC which has tunneling configured.

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