AWS Installation Guide

Instructions to install in AWS infra

Infrastructure Requirements

Minimal Installation:
- You need a system with a minimum of 16 CPUs. We recommend using 2 nodes with 8 cores each, totalling 64GB.
- All machines must reside in the same availability zone to avoid data transfer charges across zones. Our Obsrv installer will automatically create the EKS cluster for you.
Networking Environment:
- Ensure your environment has a CIDR of 23 (512 IP addresses).
- For example, a VPC with CIDR 10.0.0.0/23 will have IP addresses ranging from 10.0.0.0 to 10.0.1.255.
- Subnets must be created in all availability zones within your region

Software Prerequisites

Installation of Obsrv requires the following CLI tools as prerequisites. Please note that the following instructions for installing the prerequisites are provided only for Linux based operating systems. Please follow the instructions for the specific tools depending upon your operating system.

Terraform

Terraform CLI version 1.5.x or older. Versions above 1.5.x are not MPL licensed.

curl "https://releases.hashicorp.com/terraform/1.5.2/terraform_1.5.2_linux_amd64.zip" -o "terraform.zip" && unzip terraform.zip && sudo mv terraform /usr/local/bin/ && rm terraform.zip

Download from here - https://developer.hashicorp.com/terraform/install

Terragrunt

Terragrunt CLI version 0.48 or later.

curl -OL https://github.com/gruntwork-io/terragrunt/releases/download/v0.49.0/terragrunt_linux_amd64 && sudo mv terragrunt_linux_amd64 /usr/local/bin/terragrunt && sudo chmod +x /usr/local/bin/terragrunt

Download from here - https://terragrunt.gruntwork.io/docs/getting-started/install/

Terrahelp

Terrahelp version 0.7.5 or later

curl -OL https://github.com/opencredo/terrahelp/releases/download/v0.7.5/terrahelp_0.7.5_linux_386.tar.gz && tar -xzf terrahelp_0.7.5_linux_386.tar.gz && sudo mv terrahelp /usr/local/bin/terrahelp && sudo chmod +x /usr/local/bin/terrahelp

Download from here - https://github.com/opencredo/terrahelp?tab=readme-ov-file#installation

Helm

Helm version 3.10.2 or later

curl https://get.helm.sh/helm-v3.10.2-linux-amd64.tar.gz -o helm.tar.gz && tar -zxvf helm.tar.gz && sudo mv linux-amd64/helm /usr/local/bin/

Download from here - https://helm.sh/docs/intro/install/

AWS CLI

AWS CLI tool version 2.10 or later.

curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip"
unzip awscliv2.zip
# Fresh installation
sudo ./aws/install
# Update outdated aws cli with the following command
sudo ./aws/install --update

Download from here - https://docs.aws.amazon.com/cli/latest/userguide/getting-started-install.html

Installation Steps:

Clone the obsrv-automation repository:

git clone https://github.com/Sanketika-Obsrv/obsrv-automation.git

Navigate to the setup directory:

cd ./obsrv-automation/automation-scripts/infra-setup

Update Configuration Files: Update the configurations in both setup.conf and cluster_overides.tf files to match your environment settings. Example configuration in cluster_overides.tf

building_block                = "obsrv"
env                           = "dev"
region                        = "us-east-2"
availability_zones            = ["us-east-2a", "us-east-2b", "us-east-2c"]
timezone                      = "UTC"
create_kong_ingress           = "true"
create_vpc                    = "true"
create_velero_user            = "true"
vpc_id                        = ""
eks_nodes_subnet_ids          = [""]
eks_master_subnet_ids         = [""]
velero_aws_access_key_id      = your_aws_access_key_id // Update the AWS Access Key
velero_aws_secret_access_key  = your_aws_secret_access_key // Update the AWS Secret Key

# cluster sizing

eks_node_group_instance_type  = ["t2.2xlarge"]
eks_node_group_capacity_type  = "ON_DEMAND"  
eks_node_group_scaling_config = {
  desired_size = 4
  max_size = 4
  min_size = 1
}

# Disk node size in gb
eks_node_disk_size            = 30

# Image Tags
command_service_image_tag    = "1.0.0-GA"
web_console_image_tag        = "1.0.0-GA"
dataset_api_image_tag        = "1.0.2-GA"
flink_image_tag              = "1.0.1-GA"
secor_image_tag              = "1.0.0-GA"
superset_image_tag           = "3.0.2"

S3 Bucket:
Obsrv installation requires a S3 bucket to be created which will be subsequently used for storing the cluster state. The bucket name will then be referenced in the installation script mentioned below. For e.g, if the bucket created is obsrv-tfstate, please ensure it is updated in the obsrv.conf under the environment variable.
Example configuration in setup.conf:
```
AWS_ACCESS_KEY_ID=<your_access_key_id>
AWS_SECRET_ACCESS_KEY=<your_secret_access_key>
AWS_DEFAULT_REGION="us-east-2"
KUBE_CONFIG_PATH="$HOME/.kube/obsrv-kube-config"
AWS_TERRAFORM_BACKEND_BUCKET_NAME="obsrv-tfstate"
AWS_TERRAFORM_BACKEND_BUCKET_REGION="us-east-2"
```
The AWS_DEFAULT_REGION environment variable will control the AWS region in which the cluster will be created. Please make sure that the region is updated according to your installation needs. The AWS_TERRAFORM_BACKEND_BUCKET_REGION is used to store the terraform state
Run Installation Script: Execute the following command to start the installation process:
1. Before installing please provide executable permission to installation script chmod +x ./obsrv.sh
```
./obsrv.sh install --config ./obsrv.conf --install_dependencies false
```
- Note: Setting install_dependencies=true will automatically download and install all required dependencies. If preferred, you can manually download the dependencies instead.
Monitor Installation Progress: The script will begin installing Obsrv within the AWS cluster. Monitor the progress and follow any on-screen prompts or instructions.
Completion: Once the installation process is complete, verify that Obsrv has been successfully installed and configured within your AWS cluster. One simple and quick way to check if you are able to communicate with the cluster is to run the command kubectl get svc --all-namespaces. This will list all the services running as a part of the Obsrv installation

Upgrade Steps:

Take latest code from obsrv-automation repository

cd ./obsrv-automation
git pull
cd ./automation-scripts/infra-setup

Ensure all the configuration configured during the installation is properly updated in all places.
Run the terraform to upgrade the cluster to the latest versions.
```
./obsrv.sh install --config ./obsrv.conf
```

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