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• You need a valid Google Cloud Platform account. This account will be used to authenticate Terraform to interact with GCP resources.

• The following permissions must be given to the logged-in user account:

  • Editor

  • Secret Manager Admin

  • Storage Object Admin

  • Create a custom role and assign the below permission to the role. Ensure that custom role must be attached to logged-in user account.

    • iam.roles.create  

    • iam.serviceAccounts.setIamPolicy

    • resourcemanager.projects.setIamPolicy

• Manual resource creation: Google Console users should have the privilege to launch Google resources like Instances, Dataproc cluster, Google Storage, and Disks in the Project.

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  Steps Steps

   

• 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 :    

  1. The above service account must have the Dataproc Service Agent 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.

• Kyvos needs a service account to launch the Kyvos instance. Refer to the steps given in the Service Account section to create it.

• The logged-in user will need access to VPN, Subnet, Network Interface/Security Group, and Service Account, which will be used by Kyvos to launch compute engines, Dataproc, and Instance Group.

• 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.

• 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.

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

• 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 the Kyvos instances and Dataproc clusters are launched in a different VPN/Subnet, then Network Peering should be created between both networks.

• There should be a private and public key for creating the Kyvos instances and the Dataproc cluster.

• Kyvos will need the Storage Legacy Bucket Owner role on the storage bucket to store data (semantic models).

• To access the storage bucket from the Kyvos instances, a NAT Gateway in VPC or Endpoint between storage and VPC should be available.  

• To send requests to your VPC network and receive the corresponding responses without using the public internet, you must use the Serverless VPC Access connector.
  Serverless VPC Access uses the   Serverless VPC Access Service Agent   service account. This service account's email address has the following form:

  ^{service-PROJECT_NUMBER@gcp-sa-vpcaccess.iam.gserviceaccount.com}

  Permissions required:

  1. By default, the above service account has the Serverless VPC Access Service Agent role (roles/vpcaccess.serviceAgent). Serverless VPC Access operations may fail if you change this account's permissions.

  2. If using a Shared Network, grant the above service account the Serverless VPC Access Service Agent predefined role to the project where the network originally resides.

     NOTE: You can refer to the GCP documentation to create a Serverless VPC Access connector. 

• Create an Autoscaling policy using Kyvos recommended configuration for Dataproc.

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

• To enable external Hive metastore, the role attached to the Kyvos Manager node must have the following permissions:

  1. resourcemanager.projects.list

  2. dataproc.clusters.get

  3. compute.instances.get

  4. If your bucket is in another project, then for cross-project bucket access, you must provide the following permissions on your bucket.

     • storage.object.list

     • storage.object.get

  5. For cross-project metastore and Dataproc, assign the following roles on the project having metastore. Refer to the GCP documentation for details.

     • Dataproc Service Agent

     • Dataproc Metastore Service Agent

• Ensure that the Kyvos deployment and the Dataproc cluster for use with Kyvos run in the same Project and Region.

• Kyvos recommend instance configuration:

  1. Machine type for Kyvos Manager, Query Engine, and BI Server: 
     Kyvos Manager: n2-standard-4
     Query Engine: n2-highmem-4
     BI Server: n2-standard-8

  2. Master and worker nodes of Dataproc cluster
     Master Node:
     Series: N2
     Machine Type – n2-highmem-4 (4 vCPU and 32 GB)

     Worker Node:
     Series: N2
     Machine Type: n2-highmem-8 (8 vCPU and 64 GB)

• If the Dataproc cluster is in a different region, then under compute metadata VmDnsSetting, set the value as GlobalDefault.

• For a non-SSH based cluster,  If you use an existing Dataproc cluster and an existing bucket, you must execute the dataproc.sh script (available in the GCP Installation Files folder) on the master node of Dataproc after changing the values of DEPLOYMENT_BUCKET, WORK_DIR, COPY_LIB, and DATAPROC_VERSION to the name of the existing bucket.

• To store repository credentials and other confidential credentials on the Secret Manager, you need to create a Secret.

• To deploy the Kyvos cluster using  password-based authentication  for service nodes, ensure that the permissions listed here are available on all the VM instances for Linux user deploying the cluster.

• To deploy the Kyvos cluster using  custom hostnames  for resources, ensure that the steps listed hereare completed on the resources created for use in the Kyvos cluster.

• If using shared VPC, the VPC must be shared with the project that you want to access.

  1. Navigate to the VPC network.

  2. Click the Shared VPC.

  3. Go to the ATTACHED PROJECTS tab and attach the project.
     NOTE: This should be performed from the project where the shared VPC network originally resides.

     

• For additional permissions, refer to the Prerequisites for deploying Kyvos in a GCP environment using Deployment Manager section from Step 2 to Step 27.

• When using an existing VPC, the subnet must have a minimum mask range of /22

• Subnets in which Kubernetes cluster is launched should have connectivity to the subnets in which Kyvos instances are launched.

• When using an existing VPC, ensure that the subnet has two secondary IP ranges with valid mask ranges, as these will be used by the Kubernetes cluster.

• Click Roles > Create new role. Provide a name like Kyvos-role for storage service, and assign the following permissions. This role should be attached to Kyvos service account.

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1. VNet peering is necessary if the Kyvos VPC differs from the VPC associated with the existing Kubernetes cluster.

2. Firewall rule on GKE Cluster VPC:

   1. An inbound rule allows TCP traffic on the 6903 port that is required with the source IP range set to the Kyvos VPC.

3. Permissions required by GKE Service Account: For the GKE Service Account, the following roles and permissions are required:
   IAM Roles:

   • roles/iam.serviceAccountTokenCreator

   • roles/iam.workloadIdentityUser

   • roles/container.clusterAdmin

   • roles/container.developer

   • compute.instanceGroupManagers.update

   • compute.instanceGroupManagers.get
     The above permission [roles/iam.workloadIdentityUser] is associated with the Kubernetes namespace and service account used for Kyvos deployment.

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