DevOps-Ready Infrastructure: CI/CD Pipelines on Nutanix with PowerFlex Storage

Introduction

Modern software development thrives on speed, agility, and reliability. DevOps teams need environments that can be provisioned and managed rapidly without sacrificing control, security, or scalability. This demand is driving a new wave of converged infrastructure, where Nutanix’s hyperconverged platform and Dell PowerFlex storage combine to deliver robust, high-performance foundations for continuous integration and delivery (CI/CD).

In this article, we’ll explore how to build a DevOps-ready infrastructure using Nutanix and PowerFlex, enabling automated CI/CD pipelines that accelerate code delivery, increase quality, and boost developer productivity.

Platform Capabilities

Nutanix: Self-Service VM and Container Deployment

Nutanix delivers an enterprise cloud platform that enables IT teams to deploy and manage virtual machines (VMs) and containers with ease. With native self-service capabilities, teams can spin up environments on-demand, integrate with Kubernetes for container orchestration, and automate infrastructure provisioning via REST APIs and IaC tools.

Key features:

• Rapid VM and container provisioning via Prism or APIs
• Built-in Kubernetes management with Nutanix Kubernetes Engine (NKE)
• Support for hybrid and multi-cloud with Nutanix Cloud Clusters (NC2)
• Policy-driven governance and role-based access

PowerFlex: High-Performance, Scalable Storage

Dell PowerFlex provides high-speed, scale-out block storage that meets the demands of intensive DevOps workloads. Its ability to deliver consistent performance for build servers, artifact storage, and persistent container volumes makes it a natural partner for Nutanix in CI/CD environments.

Highlights:

• Linearly scalable performance for parallel build/test
• Flexible integration with VMware, bare metal, and Kubernetes (CSI)
• High availability and data protection
• Dynamic Quality of Service (QoS) for workload prioritization

Designing Your CI/CD Stack

Reference Architecture Overview

To build a modern CI/CD stack, combine Nutanix’s agile compute layer with PowerFlex’s resilient storage. This hybrid solution supports both VMs and containers, enabling teams to deploy leading CI/CD tools such as Jenkins, GitLab, and Azure DevOps.

Example Architecture Diagram

CI/CD Tool Comparison

Persistent Storage for Containers:
PowerFlex Container Storage Interface (CSI) plugin allows Kubernetes pods running on Nutanix clusters to mount persistent volumes backed by PowerFlex, ensuring data durability for builds, tests, and artifact storage.

Automating Infrastructure

Infrastructure as Code (IaC) allows DevOps teams to provision and manage both Nutanix compute and PowerFlex storage consistently and repeatably. Let’s look at practical Terraform and Ansible automation.

Terraform Example: Nutanix VM Provisioning

provider "nutanix" {
  username = var.nutanix_username
  password = var.nutanix_password
  endpoint = var.nutanix_endpoint
  insecure = true
}

resource "nutanix_vm" "ci_server" {
  name = "jenkins-ci-01"
  memory_size_mib = 8192
  num_vcpus_per_socket = 4
  num_sockets = 1

  guest_customization_cloud_init_user_data = file("cloud-init/jenkins.yaml")

  nic_list {
    subnet_uuid = var.nutanix_subnet_uuid
  }

  disk_list {
    data_source_reference = {
      kind = "image"
      uuid = var.base_image_uuid
    }
    disk_size_mib = 40000
  }
}

Ansible Example: PowerFlex CSI Driver Installation on Kubernetes

- name: Install PowerFlex CSI driver
  hosts: k8s_nodes
  become: yes
  tasks:
    - name: Add Dell CSI Helm repo
      helm_repository:
        name: dell
        repo_url: https://dell.github.io/csi-charts

    - name: Install PowerFlex CSI with Helm
      helm:
        name: csi-powerflex
        chart: dell/csi-powerflex
        version: "2.8.0"
        values:
          values_file: "powerflex-csi-values.yaml"

Monitoring Build Performance

Monitoring and alerting are crucial to maintaining healthy CI/CD pipelines. Combine Nutanix and PowerFlex telemetry with open source and commercial tools for full-stack visibility.

Key Performance Indicators (KPIs):

• Build queue times and agent utilization
• VM/Container CPU, memory, storage IOPS, and latency
• PowerFlex volume throughput, latency, and capacity
• CI pipeline failure rates and duration

Example Monitoring Stack:

• Prometheus + Grafana: Collect and visualize Nutanix and PowerFlex metrics
• Nutanix Prism Central: Built-in monitoring and alerting
• Dell CloudIQ: Proactive health insights for PowerFlex

Alerting and Optimization Tips:

• Set alerts on storage latency or capacity thresholds
• Track historical trends to right-size VM and storage allocations
• Automate remediation steps with Ansible or Terraform when thresholds are breached

Best Practices

To ensure a resilient and scalable DevOps pipeline on Nutanix and PowerFlex, consider these best practices:

• Version Control Everything: Treat IaC, configuration, and pipeline definitions as code in Git
• Automated Rollback: Use snapshots and automation to roll back VMs or containers if a deployment fails
• Data Protection: Schedule regular backups and leverage PowerFlex’s built-in data replication for critical artifacts
• Security: Integrate secrets management and enforce RBAC across Nutanix, PowerFlex, and CI/CD tools
• Observability: Deploy a unified monitoring solution spanning both infrastructure and application layers

Conclusion

By combining Nutanix’s rapid self-service compute and PowerFlex’s scalable, high-performance storage, DevOps teams can unlock true CI/CD velocity. Whether deploying Jenkins, GitLab, or Azure DevOps, this converged platform offers the flexibility, reliability, and automation required to keep up with modern development cycles. With proper IaC automation, monitoring, and best practices, your team is well-positioned to deliver software faster and with greater confidence.

Ready to accelerate your DevOps journey? Start a proof-of-concept with Nutanix and PowerFlex, and experience the difference a purpose-built CI/CD infrastructure can make.

Disclaimer: The views expressed in this article are those of the author and do not represent the opinions of Dell, Nutanix, or any affiliated organization. Always refer to the official Dell and Nutanix documentation before production deployment.