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.
2020 Q4
- 2020-11-06
Maintenance
Support for Azure Kubernetes Service (AKS)
This is the first release of our Kubernetes Reference Solution for Azure AKS. For the past few months we’ve been working on porting our Kubernetes Reference Solution to Azure. Until now we only supported AWS EKS, but customer demand led to us to also …
- 2020-11-03
Maintenance
Concourse upgraded to v6.7.1
We have upgraded our Concourse setups to the latest version 6.7.1 (from version 6.6.0). This upgrade mainly contains changes to adapt to the rate limits of DockerHub. You can check the full changelog here.
- 2020-10-16
Maintenance
Improved monitoring for Kubernetes backups
We use Velero for automated backups of Kubernetes resources. Although we were scraping backup-related metrics into Prometheus, we hadn’t defined any automated alerts in case of backup failures. Our monitoring solution now fires a number of alerts …
- 2020-10-15
Maintenance
Concourse upgraded to v6.6.0
We have upgraded our Concourse setups to the latest version 6.6.0 (from version 6.5.1). This upgrade mainly contains minor new features and some bug fixes and performance improvements. You can check the full changelog here.
- 2020-10-12
Maintenance
Vault upgraded to 1.5.4
We have updated our Kubernetes based Vault setups to the latest version 1.5.4 in the past days. This release contains mostly bug fixes and most notably a security fix for CVE-2020-25816. Batch Token Expiry: We addressed an issue where batch token leases …
- 2020-10-08
Maintenance
Use the Vertical Pod Autoscaler to make your life easier and optimise cluster costs
As of today we offer the Vertical Pod Autoscaler as an optional component to your clusters. The Vertical Pod Autoscaler (VPA) frees the users from the necessity of setting up-to-date resource limits and requests for the containers in their pods. When …
2020 Q3
- 2020-09-29
Maintenance
Bugfix - Concourse workers out of disk space and crashing
We have identified a problem where our Concourse workers went unavailable. It turned out that the root EBS volume was filling up with logs too fast for the logrotation to take care of the archiving. We patched the workers to compress the old logs after …
- 2020-09-17
Maintenance
Kubernetes events now available in Loki
Next to your container logs, we now also ship Kubernetes events (kubectl get events -n <namespace>) to Grafana Loki. You can query these via {app="eventrouter", namespace="<mynamespace>"}. From Kubernetes docs: Kubernetes …
- 2020-09-15
Maintenance
Updated Teleport to version 4.3.5
We’ve updated all Teleport clusters and nodes to version 4.3.5. This is a major release, which includes a brand new UI. This should make Teleport in general easier to use, but more importantly the Audit Log is now also fully exposed through the UI. …
- 2020-09-11
Maintenance
Grafana main dashboard updated
We’ve added a Grafana dashboard called Overview with a new dashboard that contains all relevant info from your cluster. We’ve made this dashboard the default for Grafana to replace the default home page of Grafana. This change will be rolled …
- 2020-09-04
Maintenance
Concourse upgraded to v6.5.1
We have upgraded our Concourse setups to the latest version 6.5.1 (from version 6.4.0). Version 6.5.0 introduced multiple new features and improvements. Now you can set favourite pipelines! You can check the full changelog here.
- 2020-09-03
Maintenance
Vault upgraded to 1.5.3
We have updated our Kubernetes based Vault setups to the latest version 1.5.3. This release contains mostly bug fixes and security fixes For full details and other changes, please refer to the upstream Vault release notes: …
- 2020-09-03
Maintenance
Upgraded several cluster components
As part of our regular upgrade cycle, the following Kubernetes cluster components have been updated. We’ve already rolled these out to all staging clusters. Production clusters will follow in the coming days. Most notable changes include bug fixes …
- 2020-09-03
Maintenance
Feature: NodeLocal DNSCache
We’re happy to announce we now support NodeLocal DNSCache on our managed clusters for those that need the performance improvements it provides. This also resolves issues around conntrack tables filling up on some cluster’s nodes. NodeLocal …
- 2020-08-27
Maintenance
Monitoring for External-DNS
We have enabled the ServiceMonitor for External-DNS and added new alerts for it. You can find these alerts here.
- 2020-08-14
Maintenance
Disable Nginx server token
As part of our ongoing security audits we noticed Nginx ingress’s server token of our Kubernetes clusters is enabled (which is the default configuration). This leads to exposing Nginx version in the HTTP headers. We have decided to disable it as …
- 2020-08-05
Maintenance
Updates for addons
We have updated the following components on our Kubernetes clusters: aws-node-termination-handler -> 1.6.1 cert-manager -> 0.16.0 ingress-nginx -> 0.34.1 oauth2-proxy -> 6.0.0 Velero -> 1.4.2 Grafana -> 7.1.1 Alertmanager -> 1.21.0 …
- 2020-07-31
Maintenance
Concourse upgraded to v6.4.0
We have upgraded our Concourse setups to the latest version 6.4.0 (from version 6.2.0). This upgrade mainly contains minor new features and some bug fixes and performance improvements. You can check the full changelog here.
- 2020-07-22
Maintenance
Vault upgraded to 1.5.0
We have updated our Kubernetes based Vault setups from 1.4.2 to the latest version 1.5.0. Important changes Resource Quotas: Vault now supports specifying a quota to rate limit requests. For full details and other changes, please refer to the upstream …
- 2020-07-22
Maintenance
Upgrade EKS to 1.17
With the major K8s 1.16 from last month just behind us, we now have updated our EKS control planes and nodes to the latest supported version: 1.17. This brings EKS on K8s v1.17.6. In the process of upgrading EKS the following components have also been …
- 2020-07-10
Maintenance
Support Loki log-based alerting and metrics in Grafana
It’s now possible to use Loki log metrics in standard Grafana panels (i.e. gauges, simple graphs, bar graphs, etc.). Additionally, you can also create alerts based on those graphs, with the built-in alerting system in Grafana. Head to our …
- 2020-07-03
Maintenance
Updated docker images
We have updated the docker images that we internally use. We have made the following changes: awscli image: we upgraded to the V2 of the awscli and Amazon provides an image for that. Therefore we dropped our internal version. We still maintain the image on …
2020 Q2
- 2020-06-25
Maintenance
Upgraded all ECS clusters
We’ve rolled out all our ECS worker nodes with updated OS and ECS agent. These updates mainly contained bug fixes, security patches and performance improvements. You can checkt the full changelog of the AWS ECS agent here: …
- 2020-06-25
Maintenance
Updated Teleport to version 4.2.10
We’ve updated all Teleport clusters and nodes to version 4.2.10. This update mainly contains bug fixes and performance improvements. You can find the full changelog on the teleport repository.
- 2020-06-18
Maintenance
Updates for authorization addons
We have updated our monitoring plugins on our Kubernetes clusters. Dex -> 2.24.0 oauth2-proxy chart -> 3.1.0 oauth2-proxy-redis -> 6.0.5 Besides the several minor improvements and bug-fixes, these updates also brings new features, for Dex the …