v1.13.4

• Kubernetes v1.13.4
• Update etcd from v3.3.11 to v3.3.12
• Update Calico from v3.5.0 to v3.5.2
• Assign priorityClassNames to critical cluster and node components (#406)
  • Inform node out-of-resource eviction and scheduler preemption and ordering
• Add CoreDNS readiness probe (#410)

Bare-Metal

• Recommend updating terraform-provider-matchbox plugin from v0.2.2 to v0.2.3 (#402)
• Improve docs on using Ubiquiti EdgeOS with bare-metal clusters (#413)

Google Cloud

• Support terraform-provider-google v2.0+ (#407)
  • Require terraform-provider-google v1.19+ (action required)
• Set the minimum CPU platform to Intel Haswell (#405)
  • Haswell or better is available in every zone (no price change)
  • A few zones still default to Sandy/Ivy Bridge (shifts in April 2019)

Addons

• Modernize Prometheus rules and alerts (#404)
  • Drop extraneous metrics (#397)
  • Add pod name label to metrics discovered via service endpoints
  • Rename kubernetes_namespace label to namespace
• Modernize Grafana and dashboards, see docs (#403, #404)
  • Upgrade Grafana from v5.4.3 to v6.0.0!
  • Enable Grafana Explore UI as a Viewer (inspect/edit without saving)
• Update nginx-ingress from v0.22.0 to v0.23.0
  • Raise nginx-ingress liveness/readiness timeout to 5 seconds
  • Remove nginx-ingess default-backend (#401)

Fedora Atomic

• Build Kubelet system container with buildah. The image is an OCI format and slightly larger.