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Accept initial worker node labels and taints map on bare-metal

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* Add `worker_node_labels` map from node name to a list of initial
node label strings
* Add `worker_node_taints` map from node name to a list of initial
node taint strings
* Unlike cloud platforms, bare-metal node labels and taints
are defined via a map from node name to list of labels/taints.
Bare-metal clusters may have heterogeneous hardware so per node
labels and taints are accepted
* Only worker node names are allowed. Workloads are not scheduled
on controller nodes so altering their labels/taints isn't suitable

```
module "mercury" {
  ...

  worker_node_labels = {
    "node2" = ["role=special"]
  }

  worker_node_taints = {
    "node2" = ["role=special:NoSchedule"]
  }
}
```

Related: https://github.com/poseidon/typhoon/issues/429
This commit is contained in:
Dalton Hubble
2020-03-08 20:39:18 -07:00
parent 7b0ea23cdc
commit ab7913a061
9 changed files with 50 additions and 1 deletions
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12
bare-metal/container-linux/kubernetes/variables.tf
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@ -55,6 +55,18 @@ variable "clc_snippets" {
default = {}
}
variable "worker_node_labels" {
type = map(list(string))
description = "Map from worker names to lists of initial node labels"
default = {}
}
variable "worker_node_taints" {
type = map(list(string))
description = "Map from worker names to lists of initial node taints"
default = {}
}
# configuration
variable "k8s_domain_name" {