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VirtOS Integration

platform-java can integrate with VirtOS, a minimal virtualization OS, to create a comprehensive platform spanning infrastructure to application management.

What is VirtOS?

VirtOS is a lightweight virtualization platform based on Tiny Core Linux that manages:

  • VMs (KVM/QEMU)
  • Containers (Docker, Podman, LXC)
  • Multi-cloud federation (AWS, Azure, GCP)
  • Clustering and HA

Why Integrate?

Complementary Strengths:

  • VirtOS handles infrastructure (VMs, networking, storage, multi-cloud)
  • platform-java handles Java applications (isolation, monitoring, hot reload)

Overlapping Functionality:

  • Both manage containers (Docker, Podman, LXC)
  • Both provide monitoring and metrics
  • Both have REST APIs and TUIs
  • Both support clustering

Integration Scenarios

1. VirtOS Deploys platform-java

VirtOS manages the infrastructure, platform-java runs Java apps on it:

# VirtOS creates VM with platform-java
virtos-create-vm --name platform-java-node-1 --cpu 8 --ram 16G --install platform-java

# Or as container
virtos-federation vm-deploy platform-java-app on-prem \
  --container docker \
  --image platform-java/runtime:latest

2. Shared Container Runtime

Extract common container management into a shared library used by both projects.

3. Unified Monitoring

Both export metrics to same Prometheus/OpenTelemetry backend:

┌─────────────────────────────────────┐
│   Prometheus/OpenTelemetry/Grafana  │
└─────────────────────────────────────┘
         ↑              ↑
    ┌────┴────┐    ┌───┴──────┐
    │ VirtOS  │    │platform-java │
    └─────────┘    └──────────┘

4. Multi-Cloud platform-java Clusters

VirtOS federation deploys and manages platform-java clusters across clouds:

# Deploy platform-java to multiple clouds
virtos-federation vm-deploy platform-java-aws aws t3.large --install platform-java
virtos-federation vm-deploy platform-java-azure azure Standard_D4s_v3 --install platform-java

# Configure clustering
virtos-platform-java cluster-init \
  --nodes platform-java-aws,platform-java-azure \
  --backend consul

Use Case: E-Commerce Platform

Infrastructure (VirtOS):

  • PostgreSQL database VM (on-prem)
  • Redis cache VM (on-prem)
  • NGINX load balancer (AWS)

Applications (platform-java):

  • Order service (3 replicas)
  • Inventory service (2 replicas)
  • Payment service (2 replicas)

Monitoring:

  • Unified Prometheus + Grafana
  • Infrastructure + application metrics

Management:

  • Single VirtOS TUI
  • Infrastructure overview + Java applications

Shared Components

Container Runtime Abstraction

Common library for docker/podman/lxc management used by both projects.

Monitoring Format

OpenTelemetry-compatible metrics from both VirtOS and platform-java.

REST API Compatibility

Common OpenAPI spec for similar endpoints (deploy, start, stop, metrics).

Configuration Format

Kubernetes-like YAML for both platform-java apps and VirtOS VMs/containers.

Integration Phases

Phase 1: Shared Container Runtime (2-4 weeks)

Extract container management, create library for both Java and Bash.

Phase 2: Unified Monitoring (4-6 weeks)

Standardize metrics, export to common Prometheus/OTLP endpoints, shared Grafana dashboards.

Phase 3: VirtOS Deploys platform-java (8-12 weeks)

Create virtos-platform-java management script, TUI integration, VM templates, federation support.

Phase 4: API Compatibility (6-8 weeks)

OpenAPI spec, implement in both projects, Swagger UI, client libraries.

Full Integration Analysis

See VirtOS Integration Documentation for:

  • Detailed overlap analysis
  • Complete integration scenarios
  • Architecture diagrams
  • Technical considerations
  • Recommended implementation strategy

Getting Started

Option 1: Run platform-java in VirtOS VM

# Create VirtOS VM
virtos-create-vm --name platform-java-1 --cpu 8 --ram 16G --os ubuntu-22.04

# SSH into VM
ssh tc@platform-java-1

# Install Java
sudo apt install openjdk-17-jdk

# Download and run platform-java
wget https://github.com/FlossWare/platform-java/releases/download/v2.0/platform-java-launcher.jar
java -jar platform-java-launcher.jar

Option 2: Run platform-java in Container on VirtOS

# VirtOS starts platform-java container
virtos-tui → Container Management → Docker → Run Container
  Image: platform-java/runtime:latest
  Ports: 8080:8080
  Memory: 4G

Option 3: Multi-Cloud platform-java Cluster

# Initialize VirtOS federation
virtos-federation federation-init my-company
virtos-federation provider-register aws aws ec2.amazonaws.com KEY SECRET

# Deploy platform-java nodes
virtos-federation vm-deploy platform-java-aws aws c5.2xlarge --install platform-java
virtos-create-vm --name platform-java-onprem --cpu 8 --ram 16G --install platform-java

# Configure platform-java clustering
# (Manual setup via platform-java Hazelcast/Consul configuration)

Benefits of Integration

For platform-java Users

  • Multi-cloud deployment via VirtOS federation
  • VM management (not just containers)
  • Geographic distribution across data centers
  • Professional infrastructure (networking, storage, HA)

For VirtOS Users

  • Java application management with isolation
  • Hot reload for Java apps (zero-downtime updates)
  • Advanced monitoring (OpenTelemetry, structured logging)
  • Sophisticated resource management for JVM workloads

For Both

  • Reduced duplication (shared container runtime)
  • Unified monitoring (single Grafana instance)
  • Complete platform (infrastructure + applications)
  • Professional tooling (APIs, TUIs, monitoring)

Current Status

Integration status: Proposed (not yet implemented)

The integration is feasible and offers significant value, but requires coordination between both projects.

Next Steps:

  1. Community discussion and feedback
  2. Shared container runtime prototype
  3. Monitoring integration pilot
  4. VirtOS deploys platform-java POC

Contributing

Interested in helping integrate platform-java with VirtOS?

Join the discussion in GitHub Discussions for both projects!

Together, platform-java + VirtOS = Complete infrastructure and application management platform