Topic: Platform

Game Servers on Cozystack: No April Fools' Joke

Cozystack 1.2: OpenSearch, VPC Peering, and Smarter Tenant Scheduling

Cozystack 1.2 brings managed OpenSearch, VPC peering, SchedulingClass, and a stabilization follow-up in v1.2.1.

Cozystack v1.0 & v1.1: Introducing Package-Based Architecture, Cozystack Operator, Velero Strategy Controller, MongoDB and OpenBAO Support

Cozystack v0.41: MongoDB, Dashboard Edit Button, Resource Quota UI, JWT Security, and cert-manager Gateway API

Cozystack v0.41 adds MongoDB as a managed application, introduces the Edit button and resource quota usage in the dashboard, adds JWT token verification, and enables cert-manager Gateway API support.

Cozystack v0.40: LINSTOR Scheduler, SeaweedFS Traffic Locality, ValuesFrom Configuration, and Platform Decomposition

Cozystack v0.40 introduces the LINSTOR scheduler for optimal pod placement near storage replicas, SeaweedFS traffic locality, a new ValuesFrom configuration mechanism, and major platform architecture refactoring.

Cozystack v0.39: Topology-Aware Routing, Windows VM Scheduling, Talm Overhaul, and VMAgent for Tenants

Cozystack v0.39 adds Cilium topology-aware routing, Windows VM scheduling with nodeAffinity, a major Talm tool overhaul with encryption support, and VMAgent for tenant namespace metrics.

Cozystack v0.38: Virtual Private Cloud, VNC Console, Configurable Worker K8s Versions, and HTTPS Enforcement

Cozystack v0.38 introduces Virtual Private Cloud with Multus CNI, VNC console for VMs in the dashboard, configurable Kubernetes worker versions, and HTTPS-only enforcement for the API.

Cozystack v0.37: OpenAPI Dashboard, Lineage Webhook, PVC Expansion in Tenants, and SeaweedFS S3 Discovery

Cozystack v0.37 replaces the old UI with a new OpenAPI-based Dashboard, introduces the Lineage Webhook for resource tracking, enables PVC expansion in tenant clusters, and makes SeaweedFS S3 buckets discoverable.

Cozystack v0.36

The new version of Cozystack focuses on the stability, observability, and flexible configuration of managed applications.

New CNCF Webinar: Building Your Own Cloud Platform with Open Source

We’re excited to share Andrey Kvapil’s webinar for CNCF! He dives deep into how to build a powerful cloud platform using open-source…

CNCF Webinar: One API to Rule Them All — Building a Unified Platform with Kubernetes Aggregation

Speaker: Andrei Kvapil, Ænix CEO, Cozystack maintainer

Cozystack v0.35:

The new version of Cozystack takes a major step forward in its modular (or: decomposed) architecture, enabling users to swiftly integrate…

Cozystack v0.34:

Our maintainers and contributors never stand still, and we’re already ready to present the next stable release of Cozystack v0.34. In this…

Cozystack v0.31–0.33

It’s been a while since we last covered Cozystack’s updates — time to fix that! We’re thrilled to showcase a wealth of new features and…

The Evolution of Virtualization Platforms: The Rise of Managed Services and Local Providers’ Edge…

Hello everyone! I’m Andrey Kvapil, CEO of Ænix and developer of Cozystack, an open-source platform and framework for building cloud…

Cozystack v0.30: GPU Passthrough, WorkloadMonitor for PVCs and IPs, CPUManager, and Automated Testing in CI

Cozystack v0.30 introduces GPU support for virtual machines, WorkloadMonitor tracking for PVCs and public IPs, CPUManager for dedicated CPU instances, and automated release testing.

Updates to the Open-Source Platform Cozystack 0.24–0.29:

We haven’t shared much about Cozystack’s new features lately, even though we’ve released six new versions over the past month and a half…

Cozystack v0.22 Release: telemetry, patched Talos v1.9.1, new entities Workload and WorkloadMonitor

Main changes

Cozystack v0.23: Talos Linux v1.9.2, Telegram Alert Severity, VM Instance Hooks, and Flux Operator Update

Cozystack v0.23 updates Talos Linux to v1.9.2, adds Telegram severity filtering for alerts, introduces hooks for VM instance type updates, and updates the FluxCD Operator.

Introducing the Pre-New Year Release of open source platform Cozystack v0.21:

The dashboard now works directly with the Cozystack API instead of relying on FluxCD resources. This enhancement enables the platform to…

Cozystack v0.20 Release: Terraform, Keycloak, and Stability & Security Improvements

This release focuses on enhancing stability while addressing a significant number of bugs and introducing new features.

How we built a dynamic Kubernetes API Server for the API Aggregation Layer in Cozystack

Hi there! I’m Andrei Kvapil, but you might know me as @kvaps in communities dedicated to Kubernetes and cloud-native tools. In this…

Cozystack v0.19: Keycloak SSO, Dashboard Services View, KubeVirt v1.4, and MetalLB Update

Cozystack v0.19 integrates Keycloak for SSO authentication, adds services to the dashboard, updates KubeVirt to v1.4.0, and brings new versions of Cilium, LINSTOR, and MetalLB.

Cozystack v0.18

🔥 Public API for Cozystack

What’s New in Cozystack v0.17

This update mainly focuses on enhancing the platform’s virtualization features, while also introducing several other improvements.

The Open Source Platform Cozystack Version 0.16.0

Key Highlights Cozystack now features an alert system based on the open-source tool Alerta, with the ability to configure notifications…

Recent Changes in the Cozystack Open Source Platform: Opencost, Log Collection System, Bridge…

Over the past couple of months, we have been actively developing our Cozystack Open Source platform, and today we’re presenting the…

Cozystack v0.15: OpenCost, Talos Metal Image, Backup Fixes, and Kamaji OOM Fix

Cozystack v0.15 introduces OpenCost for resource cost tracking, adds Talos metal image and firmware updates, fixes the backup system, and resolves Kamaji OOM issues.

Cozystack v0.14: Auto-Generated Passwords, RabbitMQ Users and VHosts, and CNPG v1.24

Cozystack v0.14 adds automatic password generation for PostgreSQL, ClickHouse, and FerretDB, introduces user and vhost management for RabbitMQ, and updates CNPG to v1.24.

Cozystack v0.13: VictoriaLogs, VM Live Migration, KubeVirt v1.3, and Bridge Networking

Cozystack v0.13 adds VictoriaLogs with Fluent-bit for log collection, reworks the VM application with cloud-init and SSH keys, enables live migration with block volumes, and updates KubeVirt to v1.3.1.

Cozystack v0.12: StorageClass for All Apps, Cilium v1.16, VM Configuration, and E2E Sandbox

Cozystack v0.12 introduces storageClass configuration for all applications, updates Cilium to v1.16.1, adds tenant Kubernetes value overrides, and provides an E2E testing sandbox.

Cozystack v0.11

The Cozystack v0.11 release is now available for download, installation, or updating current installations.

Cozystack v0.10: FerretDB, NATS, Network Policies for Tenant Isolation, and etcd Operator v0.4

Cozystack v0.10 adds FerretDB and NATS as managed applications, introduces network policies for tenant isolation, and updates the etcd operator to v0.4.

Cozystack v0.9: KubeVirt v1.2.2, Kamaji v1.0, Tenant K8s v1.30, and Node Group Upgrades

Cozystack v0.9 updates KubeVirt, Kamaji, Piraeus, and Cluster API, upgrades tenant Kubernetes to v1.30.1, and adds support for upgrading existing node groups.

Cozystack v0.8: FluxCD Operator, E2E Tests, ARM Support, and Managed Cluster Extensions

A major release bringing the official FluxCD Operator, end-to-end testing, ARM architecture support, managed tenant extensions, and PostgreSQL quorum replication.

Cozystack v0.7: Network Stabilization, DNS Fixes, etcd Autocompaction, and cozy.local Domain

Cozystack v0.7 stabilizes tenant cluster networking with Kube-OVN and Cilium updates, fixes DNS propagation, enables etcd defragmentation, and introduces the cozy.local domain.

Cozystack v0.6: VM Serial Console, Ephemeral Storage for Containers, and etcd Auto-Quota

Cozystack v0.6 adds serial console access for virtual machines, ephemeral storage volumes for containerd and kubelet, and automatic etcd quota configuration.

Cozystack v0.5: Automatic Schema Generation, Cilium v1.14.10, and MariaDB Operator Update

Cozystack v0.5 adds automatic Helm schema generation, removes hardcoded defaults, and updates Cilium and MariaDB Operator.

Cozystack v0.4: etcd Operator, Replica Options, Kamaji v0.5, and Dark Mode Fix

Cozystack v0.4 replaces kamaji-etcd with the new aenix-io/etcd-operator, adds replica configuration for applications, and updates Kamaji, LINSTOR, and Kubeapps.

Cozystack v0.3: Kafka, ClickHouse, and Hetzner Bare-Metal Support

Cozystack v0.3 adds Kafka and ClickHouse as managed applications and introduces NoCloud assets for Hetzner bare-metal installation.

DIY: Create Your Own Cloud with Kubernetes (Part 3)

DIY: Create Your Own Cloud with Kubernetes (Part 2)

DIY: Create Your Own Cloud with Kubernetes (Part 1)

Cozystack v0.2: Bundles, Schema Versioning, FluxCD as Core Package, and Component Updates

Cozystack v0.2 introduces bundle-based installation, schema versioning for charts, moves FluxCD to the core, and updates Cilium, LINSTOR, CNPG, and MariaDB Operator.

Introducing Cozystack: A Free PaaS Platform based on Kubernetes

Cozystack v0.1: ZFS Support, Leader Election, and Documentation Move

The first feature release of Cozystack introduces ZFS storage support, leader election for the controller, and moves documentation to cozystack.io.