Blog
Welcome to the Cozystack blog! Here you’ll find the latest news, updates, and insights about Cozystack platform.
Posts in 2025
Updates to the Open-Source Platform Cozystack 0.24–0.29:
2025-04-10 in Blog
tl;dr: 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…
Updates to the Open-Source Platform Cozystack 0.24–0.29: PXE Machine Provisioning, Inter-Datacenter RTT Monitoring, and Dedicated IP Addresses for VMs 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: 0.24, 0.25, 0.26, 0.27, 0.28, and 0.29. Let’s take a closer look at the changes, starting from the latest …
Cozystack v0.30: GPU Passthrough, WorkloadMonitor for PVCs and IPs, CPUManager, and Automated Testing in CI
2025-04-10 in Blog
tl;dr: 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.
Cozystack v0.30: GPU Passthrough, WorkloadMonitor for PVCs and IPs, CPUManager, and Automated Testing in CI Version 0.30 brings GPU capabilities to the platform and improves resource tracking and testing infrastructure. Major Features and Improvements GPU Passthrough for Virtual Machines Cozystack now includes the GPU Operator and supports GPU passthrough for virtual machines. Users can assign …
Cozystack Becomes a CNCF Sandbox Project
2025-03-13 in Blog
tl;dr: On February 28, members of the CNCF Technical Oversight Committee completed their voting and unanimously accepted Cozystack, a platform for…
Cozystack Becomes a CNCF Sandbox Project On February 28, members of the CNCF Technical Oversight Committee completed their voting and unanimously accepted Cozystack, a platform for building private clouds and PaaS, into the CNCF Sandbox. The project is currently undergoing the onboarding process. Let’s break down what this means in practice, what Cozystack is, and what the CNCF Sandbox represents. …
Cozystack v0.23: Talos Linux v1.9.2, Telegram Alert Severity, VM Instance Hooks, and Flux Operator Update
2025-01-17 in Blog
tl;dr: 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.
Cozystack v0.23: Talos Linux v1.9.2, Telegram Alert Severity, VM Instance Hooks, and Flux Operator Update Version 0.23 improves alerting, VM lifecycle management, and updates core infrastructure components. Major Features and Improvements Talos Linux v1.9.2 Talos Linux is updated to v1.9.2, bringing security patches and stability improvements for the host OS. Telegram Alert Severity Filtering …
Cozystack v0.22 Release: telemetry, patched Talos v1.9.1, new entities Workload and WorkloadMonitor
2025-01-17 in Blog
tl;dr: Main changes
Cozystack v0.22 Release: telemetry, patched Talos v1.9.1, new entities Workload and WorkloadMonitor Main changes In the latest release was added cozystack-controller and new entities: Workload and WorkloadMonitor, which allow monitoring the state of pods managed by operators and evaluating the service level according to predefined rules. Since different applications in Cozystack are managed by …
Posts in 2024
Introducing the Pre-New Year Release of open source platform Cozystack v0.21:
2024-12-28 in Blog
tl;dr: The dashboard now works directly with the Cozystack API instead of relying on FluxCD resources. This enhancement enables the platform to…
Introducing the Pre-New Year Release of open source platform Cozystack v0.21: New User Dashboard, Talos Linux, etc. The dashboard now works directly with the Cozystack API instead of relying on FluxCD resources. This enhancement enables the platform to provide a user-friendly graphical interface while integrating with Kubernetes’ standard RBAC model for managing deployment permissions. Each tenant …
How we built a dynamic Kubernetes API Server for the API Aggregation Layer in Cozystack
2024-12-12 in Blog
tl;dr: Hi there! I’m Andrei Kvapil, but you might know me as @kvaps in communities dedicated to Kubernetes and cloud-native tools. In this…
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 article, I want to share how we implemented our own extension api-server in the open-source PaaS platform, Cozystack. Kubernetes truly amazes me with its powerful extensibility …
Cozystack v0.20 Release: Terraform, Keycloak, and Stability & Security Improvements
2024-12-12 in Blog
tl;dr: This release focuses on enhancing stability while addressing a significant number of bugs and introducing new features.
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. What’s new Kube-OVN updated to the latest stable release. Improved logic in KubeVirt CCM, delivering more reliable load balancers for tenant Kubernetes clusters. Resolved user permissions …
Cozystack v0.19: Keycloak SSO, Dashboard Services View, KubeVirt v1.4, and MetalLB Update
2024-12-04 in Blog
tl;dr: 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 v0.19: Keycloak SSO, Dashboard Services View, KubeVirt v1.4, and MetalLB Update Version 0.19 introduces identity management with Keycloak and significantly improves the dashboard experience. Major Features and Improvements Keycloak SSO Integration Keycloak is now available as an optional platform component, providing: Single Sign-On (SSO) for the Cozystack dashboard and Kubeapps. …
Cozystack v0.18
2024-11-07 in Blog
tl;dr: 🔥 Public API for Cozystack
Cozystack v0.18 Release: Public API Server, Metrics and Logs from Tenant Clusters, and Other Improvements 🔥 Public API for Cozystack This is the biggest and most anticipated update for us. Cozystack now includes its own Kubernetes API server, which automatically translates all requests to custom resources into HelmReleases. This means that platform administrators can now provide users with …