Changelog
This changelog lists all updates, improvements and new features our Engineering team develops for our Skyscrapers Reference Developer Platform. These are rolled out automatically to all DevOps-as-a-Service customers.
2022 Q2
- 2022-05-12
Maintenance
Upgraded cluster add-ons
As part of our regular upgrade cycle, the following Kubernetes cluster components have been updated. And it’s a big one! We’ve already rolled these out to all non-production clusters. Production upgrades are scheduled to happen on Monday 16/05 …
- 2022-05-05
Maintenance
[Action required] Final call - Deprecated API removal, upgrade your Ingresses etc.
We are preparing to upgrade our platforms to Kubernetes 1.22, which drops support for many deprecated API versions! This is the final call to make sure you’ve updated your manifests, Helm charts (*), etc. to make use of the newest APIs (mainly …
- 2022-04-26
Maintenance
Improved node termination handling (AWS EKS)
For a long time now, we’ve been using the AWS Node Termination Handler for catching Spot instance interruption notices, allowing Kubernetes to respond appropriately by draining these (spot) nodes before they are terminated. You may have noticed this …
- 2022-04-13
Maintenance
Add support for GP3 volumes through the AWS EBS CSI driver
You can now create GP3 Persistent Volumes through the gp3 and gp3-encrypted Storage Classes. This is in addition to the previously available GP2 (gp2, gp2-encrypted) and EFS (efs) volumes. These new gp3* Storage Classes are provided by the AWS EBS CSI …
- 2022-04-08
Maintenance
Internal refactor of monitoring addons
We’ve completely refactored how we manage our monitoring components, like Prometheus, Grafana and many exporters and alerts. For you, the platform user, nothing will change although there is some disruption in Grafana and Prometheus expected during …
- 2022-04-05
Maintenance
[Important] New 24/7 escalation phone numbers!
It has come to our attention that many of our 24/7 escalation phone numbers could only receive calls from domestic numbers. We have generated new telepohone numbers, so make sure to verify your new number in your repo’s README!
- 2022-04-04
Maintenance
Upgrade Nginx Ingress, fixing CVEs
We’ve rolled out an nginx-ingress update (v0.51.0) to all clusters, with the following fixes: This release upgrades Alpine to 3.14.4 and nginx to 1.19.10 Patches OpenSSL CVE-2022-0778 Patches Libxml2 CVE-2022-23308
- 2022-04-01
Maintenance
Upgrade to Grafana v8 - take 2
Last year we rolled out a major Grafana update, going from 7.5 to 8.1, but had to roll back because a small number of customers were impacted by a breaking change regarding SQL datasources. Meanwhile we’ve taken the time to investigate the breaking …
2022 Q1
- 2022-03-29
Maintenance
[Important / breaking] VPC renames on AWS
We’d like to inform you that we’re renaming and (re-tagging) many network related resources, like the VPC name, subnet names, route tables, etc. Normally this shouldn’t have any impact for you, however if you rely on the VPC name for …
- 2022-03-21
Maintenance
Istio upgraded to version 1.13.2
We have upgraded Istio on all clusters that use it. The version was upgraded from 1.12.0 to 1.13.2. You can check the full release notes here. We’ve taken the chance to also upgrade Kiali to the latest version, from 1.43.0 to 1.47.0 (changelog). The …
- 2022-03-21
Maintenance
Concourse upgraded to 7.7.0
We have upgraded our Concourse setups to the latest version 7.7.0. This new version brings several small features and bug fixes. You can check the full changelog in the Concourse releases page. Rolling out this upgrade requires us to replace all the …
- 2022-03-18
Maintenance
Vault upgraded to 1.9.4
All Vault setups have been updated from 1.9.0 to the latest patch version 1.9.4. This release contains mostly small improvements and bug fixes. For full details and other changes, please refer to the upstream Vault release notes: …
- 2022-03-17
Maintenance
Upgraded cluster add-ons
As part of our regular upgrade cycle, the following Kubernetes cluster components have been updated. We’ve already rolled these out to all non-production clusters. Production upgrades will happen on Monday 21/03 during business hours. Most of the …
- 2022-03-11
Maintenance
Horizontal event-based scaling with KEDA
As of today we offer KEDA as a default component for horizontally scaling your Pods. Horizontal Pod Autoscaling, based on CPU and Memory metrics, was already possible through the standard Kubernetes HPA. However our customers asked for more possibilities, …
- 2022-03-03
Maintenance
Hotfix for Grafana and InfoInhibitor alert info
There are no actions to take, and all changes have been rolled out to all environments. Grafana datasources missing Last Monday (28/02), we pushed the latest monitoring upgrades to production environments. Quite soon some customer noticed issues with …
- 2022-03-01
Maintenance
EKS component upgrades
As part of our regular upgrade cycle, the following AWS specific Kubernetes cluster components have been updated. We’ve already rolled these out to all non-production clusters. Production clusters will follow once we validated everything is stable. …
- 2022-03-01
Maintenance
Allow for more fine-tuning of cluster-autoscaler params
We have exposed more parameters to the cluster-autoscaler, allowing for more fine-grained control. initially, only the scale_down_utilization_threshold could be configured. Now this is extended with the following parameters: balance_similar_node_groups …
- 2022-03-01
Maintenance
AKS component upgrades
As part of our regular upgrade cycle, the following Azure specific Kubernetes cluster components have been updated. We’ve already rolled these out to all non-production clusters. Production clusters will follow once we validated everything is stable. …
- 2022-02-24
Maintenance
Upgraded Grafana and Prometheus
As part of our regular upgrade cycle, the following Kubernetes cluster components have been updated. We’ve already rolled these out to all non-production clusters. Production clusters will follow once we validated everything is stable. There are no …
- 2022-02-14
Maintenance
Upgraded Teleport to version 8.2.0
We’ve upgraded all Teleport clusters from version 8.0.7 to 8.2.0. This is a minor release, coming with mostly bug and performance fixes. You can find more information on this release in the Teleport changelog.
- 2022-02-07
Maintenance
Github Actions Runner Controller
We’re adding support for the Github actions-runner-controller as a managed add-on for our Kubernetes platforms. With this controller, the customers using Github Actions will be able to easily deploy self-hosted runners on their clusters. This is …
- 2022-02-07
Maintenance
AKS rollouts are now automated
We manage multiple Kubernetes clusters and regularly set up new ones from scratch. There are also a bunch of extra components deployed on each cluster, that we also need to maintain and keep up to date. Rolling out these changes on AWS EKS have been …
- 2022-02-02
Maintenance
Calico NetworkPolicy controller upgraded on EKS
On AWS EKS clusters we use Calico for providing NetworkPolicy functionality. With these NetworkPolicies you can control the traffic flow within a Kubernetes cluster between Pods, Services and external resources. In earlier versions we used the AWS provided …
- 2022-01-28
Maintenance
VPA enabled by for metrics-server
We have already configured the VPA for many of our workloads (ExternalDNS, cert-manager, Prometheus and more). Today we also configured this for the metrics-server workload. This means that for those workloads we need less manual configuration changes when …
- 2022-01-27
Maintenance
Let's Encrypt revocations affecting TLS-ALPN-01 certificates
On 26 January 2022, Let’s Encrypt notified subscribers that most certificates issued in the last 90 days and validated with the TLS-ALPN-01 challenge will be revoked on 28 January 2022 and should be immediatelly renewed. This revocation only affects …