Requirements

Overview

Skuber Plus is a SaaS platform for Kubernetes cluster optimization. Install the Skuber Plus Agent on your cluster to instantly leverage auto-scaling and resource optimization capabilities.

Platforms Supported

Cloud Service Providers

- AWS EKS (Elastic Kubernetes Service)
- OCI OKE (Container Engine for Kubernetes)
- Azure AKS, GCP GKE - Coming Soon

Kubernetes Version

Supported Version: 1.33.1 or below

Skuber Plus Agent Resource Requirements

Type	CPU	Memory	Description
Minimum	600m	700 MiB	Basic operation
Recommended	2.8 cores	2.5 GiB	Optimal performance

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Pre-Installation Requirements

Important Notice

Existing Solutions Must Be Removed

If you have any auto-scaling, scheduling optimization, resource management, or cost optimization solutions installed in your cluster, they must be removed before installing Skuber Plus Agent.

Skuber Plus provides all these features integrated, so removing existing solutions is essential to prevent conflicts.

Required Tools

- kubectl : Kubernetes cluster access
- helm : 3.0 or higher
- curl, sed, jq : Installation script execution
- CSP CLI : AWS CLI or OCI CLI (configured)

Required Kubernetes Permissions

- cluster-admin or equivalent permissions
- Namespace, RBAC, CRD creation permissions

Cloud Provider Permission Requirements

Required Permissions Comparison

Permission Type	AWS EKS	OCI OKE
Installation Permissions (Can be removed after installation)	sts:GetCallerIdentity eks:DescribeCluster iam:CreateRole iam:GetRole iam:UpdateAssumeRolePolicy iam:PutRolePolicy iam:CreateOpenIDConnectProvider iam:GetOpenIDConnectProvider sqs:CreateQueue sqs:GetQueueAttributes sqs:GetQueueUrl events:PutRule events:PutTargets	manage dynamic-groups in tenancy manage policy in tenancy use clusters in tenancy inspect compartments in tenancy
Runtime Permissions (Must be retained)	ec2:DescribeImages ec2:DescribeInstanceTypes ec2:DescribeSpotPriceHistory ec2:CreateTags ec2:DeleteTags eks:ListNodegroups eks:DescribeNodegroup eks:DescribeCluster eks:UpdateNodegroupConfig iam:CreateRole iam:DeleteRole iam:GetRole iam:PutRolePolicy iam:DeleteRolePolicy iam:AttachRolePolicy iam:DetachRolePolicy iam:GetOpenIDConnectProvider iam:UpdateAssumeRolePolicy iam:ListInstanceProfilesForRole iam:RemoveRoleFromInstanceProfile iam:ListAttachedRolePolicies sqs:CreateQueue sqs:DeleteQueue sqs:GetQueueAttributes sqs:GetQueueUrl events:PutRule events:PutTargets events:RemoveTargets events:DeleteRule pricing:GetProducts	manage cluster-node-pools in tenancy read cluster-node-pools in tenancy manage instance-family in tenancy manage instance-pools in tenancy manage instances in tenancy read clusters in tenancy use subnets in tenancy use vnics in tenancy read vnics in tenancy read vcns in tenancy

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Network Requirements

Outbound Connection (Required)

The following ports must be open for outbound internet connectivity:

- TCP 443 (HTTPS)
- TCP 80 (HTTP)

Firewall Configuration

- Agent → Internet: TCP 443, 80 (outbound only)
- No additional inbound rules required

Quick Start Guide

Step 1: Pre-flight Check


# Check Kubernetes version
kubectl version --short

# Verify cluster access permissions
kubectl auth can-i '*' '*' --all-namespaces

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Step 2: Register Cluster in Skuber Portal

Login to Skuber Portal
Click "Add New Cluster"
Enter cluster information (Name, Region, CSP)
Copy the generated installation command

Step 3: Install Agent


# Execute the command copied from Portal
curl -sSL https://skuber-plus-file.s3.ap-northeast-1.amazonaws.com/install/agent/agent-install.sh | \
  bash -s -- -c "YOUR_CLUSTER_TOKEN" -h "https://api.skuber.io/apis/v1/agent/cluster-info"

Step 4: Verify Installation


# Check Agent Pod status
kubectl get pods -n skuber-system

# Verify all components are running
kubectl get all -n skuber-system

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Installation Checklist

Kubernetes 버전 1.33.1 이하
kubectl cluster-admin 권한 보유
CSP CLI 구성 완료
필요한 IAM 권한/정책 부여
아웃바운드 포트 443, 80 열려 있음
Agent 리소스 확보 (최소 600m CPU, 700 MiB 메모리)

Kubernetes version 1.33.1 or below
kubectl cluster-admin permissions
CSP CLI configured
Required IAM permissions/policies granted
Outbound ports 443, 80 open
Agent resources available (minimum 600m CPU, 700 MiB Memory)

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Troubleshooting

Common Issues

ermission Error


Error: Insufficient permissions

→ Verify cluster-admin permissions and CSP IAM permissions

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Network Connection Failed


Error: Unable to connect to Skuber API

→ Check outbound ports 443, 80 and DNS resolution

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Insufficient Resources


Error: Insufficient resources

→ Check node resources: `kubectl top nodes`

Support

Technical Support : support@skuberplus.com

Skuber Plus System Requirements