v1.19.4

• Kubernetes v1.19.4
• Update Cilium from v1.8.4 to v1.9.0
• Update Calico from v3.16.3 to v3.16.5
• Remove asset_dir variable (defaulted off in v1.17.0, deprecated in v1.18.0)

Fedora CoreOS

• Improve etcd-member.service systemd unit (#868)
  • Allow a snippet with a systemd dropin to set an alternate image (e.g. mirror)
• Fix local node delete oneshot on node shutdown (#856)

AWS

• Add experimental Fedora CoreOS arm64 support (docs, #875)
  • Allow arm64 full-cluster or mixed/hybrid cluster with worker pools
  • Add arch variable to cluster module
  • Add daemonset_tolerations variable to cluster module
  • Add node_taints variable to workers module
  • Requires flannel CNI provider and use of experimental AMI (see docs)

Flatcar Linux

• Rename container-linux modules to flatcar-linux (#858) (action required)
• Change on-host system containers from rkt to docker
  • Change etcd-member.service container runnner from rkt to docker (#867)
  • Change kubelet.service container runner from rkt-fly to docker (#855)
  • Change bootstrap.service container runner from rkt to docker (#873)
  • Change delete-node.service to use docker and an inline ExecStart (#855)
• Fix local node delete oneshot on node shutdown (#855)
• Remove CoreOS Container Linux Matchbox profiles (#859)

Addons

• Update nginx-ingress from v0.40.2 to v0.41.2
• Update Prometheus from v2.22.0 to v2.22.1
• Update kube-state-metrics from v2.0.0-alpha.1 to v2.0.0-alpha.2
• Update Grafana from v7.2.1 to v7.3.2