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Spotlight
April 18, 2025

Spotlight: Streamlining Crossplane Upgrades with Chkk

Written by
Chkk Team
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Estimated Reading time
4 min

Crossplane is a Kubernetes add-on that enables you to manage external infrastructure via K8s-native APIs. Instead of toggling between disparate cloud dashboards, teams can declare resources (e.g., S3 buckets, databases) in YAML using Crossplane’s CRDs and controllers. Various Providers connect Kubernetes to AWS, GCP, or Azure, while Compositions bundle multiple resources into higher-level composite objects (e.g., kind: XPostgresInstance). This design seamlessly fits into GitOps workflows, where committing a YAML manifest triggers Crossplane to reconcile your cloud infrastructure in real time.

But for organizations juggling upgrades to Crossplane, there are plenty of challenges—breaking changes, provider compatibility issues, or underlying Kubernetes version incompatibilities. In this post, we’ll explore how Chkk’s Operational Safety Platform delivers a comprehensive solution for managing Crossplane upgrades—from curated release notes and preflight checks to structured Upgrade Templates and preverification. With Chkk, you can confidently upgrade Crossplane while minimizing disruptions or downtime.

Chkk’s Coverage for Crossplane

Curated Release Notes

Chkk continuously monitors Crossplane releases—highlighting relevant new features, security patches, and breaking changes that matter for cloud resource management. Rather than combing through raw release notes, you get concise, actionable insights (e.g., critical CRD deprecations, crucial provider enhancements, or new RBAC requirements). This helps your team quickly gauge impact and plan accordingly.

Preflight & Postflight Checks

Before any upgrade, Chkk’s preflight checks ensure your Crossplane environment, CRDs, and providers are compatible with the target version—verifying that you aren’t using deprecated fields or unsupported APIs. After upgrading, postflight checks confirm everything is healthy, scanning logs for errors and ensuring managed resources remain in sync. This two-phase validation greatly reduces the risk of discovering a breakage after you’re already in production.

Version Recommendations

Chkk tracks Crossplane’s lifecycle milestones—alerting you when your current release is nearing end-of-life or missing security patches. It also notes known incompatibilities with particular Kubernetes versions or provider releases, so you don’t inadvertently deploy a version that has critical issues. By following Chkk’s recommendations, you can maintain alignment between Kubernetes, Crossplane, and providers to keep your infrastructure stable and secure.

Upgrade Templates

Whether you prefer an in-place upgrade or a blue-green deployment strategy, Chkk provides detailed playbooks for both:

  • In-place: Update Crossplane in your existing cluster (e.g., rolling upgrade of the Helm chart). This is straightforward but has a small risk if the controller breaks mid-upgrade.
  • Blue-Green: Spin up a separate “green” Crossplane instance in a staging namespace or cluster, validate it thoroughly, then cut over once it’s verified. This method offers near-zero downtime and an easy rollback path.

Both approaches include recommended checks, rollback instructions, and best practices (e.g., how to handle CRD changes safely), ensuring minimal disruption to managed infrastructure.

Preverification

For major version jumps or mission-critical environments, Chkk’s preverification simulates your Crossplane upgrade in a sandbox. It applies your real CRDs, providers, and compositions to the new version—testing for schema conflicts or updated RBAC needs. If any incompatibility surfaces (like a provider failing to load resources), you’ll see it before it hits production. This rehearsal minimizes the likelihood of unexpected breakage during live upgrades.

Supported Packages

Chkk integrates seamlessly with Helm, Kustomize, and raw YAML deployments, automatically adjusting to your existing installation approach. It respects private registries and custom-built images, too. Regardless of whether you run GitOps or more traditional pipelines, Chkk’s coverage ensures you won’t have to refactor your workflow—upgrades fit right in with how you already manage Crossplane.

Chkk’s Core Benefits

Chkk Operational Safety Platform simplifies upgrades, reduces risk, and keeps your Kubernetes infrastructure operational. Here’s how that applies to Crossplane upgrades:

  • Speed Up and De-Risk Upgrades: Manually upgrading Crossplane is time-consuming. Chkk accelerates the process and makes it safer by generating a detailed Upgrade Plan for each cluster. This plan spans all components—control plane, node versions, add-ons, and dependencies—and flags required changes, including recommended add-on versions or deprecated APIs. Instead of piecing together requirements from various release notes, teams receive a clear and actionable upgrade path. Chkk’s automation can cut upgrade preparation time by 3–5x, reducing weeks of planning to just days.
  • Eliminate Redundant Effort: Many organizations squander countless hours on repetitive upgrade planning and research. By unifying upgrade workflows across teams, Chkk prevents duplication of effort and ensures that insights and processes don’t need to be reinvented with every release. This consolidation of efforts can save thousands of hours.
  • Delegate, Parallelize, and Standardize Workflows: Chkk makes it easy to break out upgrade tasks among team members, all while maintaining standardized workflows that reduce confusion and boost efficiency. Engineers spend less time context-switching, and institutional knowledge is retained and shared effectively. During staff turnover or organizational changes, having a historical record of upgrade best practices prevents delays.
  • Enhance Operational Safety: Kubernetes upgrades introduce inherent risk, but Chkk helps you detect and fix potential problems before they cause disruptions. With automated risk detection, your team can prevent hundreds of potential breakages annually—for every hundred clusters—saving significant break-fix effort. By focusing on proactive measures, you can innovate rather than constantly firefighting.

Simplify Upgrades for Crossplane and 100s of Other Kubernetes Add-ons

Try Chkk Upgrade Copilot to experience how these extended capabilities can simplify your upgrade processes for Crossplane and 100s of other Kubernetes add-ons. We look forward to helping you achieve seamless, secure, and efficient operations. 

Click the button below to book a demo and learn more.

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Crossplane
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