Allow custom initial node taints on worker pool nodes

* Add `node_taints` variable to worker modules to set custom
initial node taints on cloud platforms that support auto-scaling
worker pools of heterogeneous nodes (i.e. AWS, Azure, GCP)
* Worker pools could use custom `node_labels` to allowed workloads
to select among differentiated nodes, while custom `node_taints`
allows a worker pool's nodes to be tainted as special to prevent
scheduling, except by workloads that explicitly tolerate the
taint
* Expose `daemonset_tolerations` in AWS, Azure, and GCP kubernetes
cluster modules, to determine whether `kube-system` components
should tolerate the custom taint (advanced use covered in docs)

Rel: #550, #663
Closes #429
This commit is contained in:
Dalton Hubble
2021-04-11 12:08:56 -07:00
parent d73621c838
commit 084e8bea49
31 changed files with 246 additions and 11 deletions

View File

@ -6,6 +6,24 @@ Notable changes between versions.
* Kubernetes [v1.21.0](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.21.md#v1210)
### AWS
* Allow setting custom initial node taints on worker pools ([#968](https://github.com/poseidon/typhoon/pull/968))
* Add `node_taints` variable to internal `workers` pool module to set initial node taints
* Add `daemonset_tolerations` so `kube-system` DaemonSets can tolerate custom taints
### Azure
* Allow setting custom initial node taints on worker pools ([#968](https://github.com/poseidon/typhoon/pull/968))
* Add `node_taints` variable to internal `workers` pool module to set initial node taints
* Add `daemonset_tolerations` so `kube-system` DaemonSets can tolerate custom taints
### Google Cloud
* Allow setting custom initial node taints on worker pools ([#968](https://github.com/poseidon/typhoon/pull/968))
* Add `node_taints` variable to internal `workers` pool module to set initial node taints
* Add `daemonset_tolerations` so `kube-system` DaemonSets can tolerate custom taints
### Addons
* Update kube-state-metrics from v2.0.0-rc.0 to [v2.0.0-rc.1](https://github.com/kubernetes/kube-state-metrics/releases/tag/v2.0.0-rc.1)