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Adding node taints on gke nodepool (#165)

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* Adding node taints on gke nodepool. Automatic transformation via local variables from list(string) to the map google provider expects.

* Fixing readme with tfdoc.py
This commit is contained in:
Samuele Chiocca
2020-11-10 13:41:19 +01:00
committed by GitHub
parent 14fe796885
commit 323e962fc8
3 changed files with 22 additions and 6 deletions
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1
modules/gke-nodepool/README.md
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@@ -66,6 +66,7 @@ module "cluster-1-nodepool-1" {
| *node_service_account_scopes* | Scopes applied to service account. Default to: 'cloud-platform' when creating a service account; 'devstorage.read_only', 'logging.write', 'monitoring.write' otherwise. | <code title="list&#40;string&#41;">list(string)</code> | | <code title="">[]</code> |
| *node_shielded_instance_config* | Shielded instance options. | <code title="object&#40;&#123;&#10;enable_secure_boot &#61; bool&#10;enable_integrity_monitoring &#61; bool&#10;&#125;&#41;">object({...})</code> | | <code title="">null</code> |
| *node_tags* | Network tags applied to nodes. | <code title="list&#40;string&#41;">list(string)</code> | | <code title="">null</code> |
| *node_taints* | Kubernetes taints applied to nodes. E.g. type=blue:NoSchedule | <code title="list&#40;string&#41;">list(string)</code> | | <code title="">[]</code> |
| *upgrade_config* | Optional node upgrade configuration. | <code title="object&#40;&#123;&#10;max_surge &#61; number&#10;max_unavailable &#61; number&#10;&#125;&#41;">object({...})</code> | | <code title="">null</code> |
| *workload_metadata_config* | Metadata configuration to expose to workloads on the node pool. | <code title="">string</code> | | <code title="">GKE_METADATA_SERVER</code> |

15
modules/gke-nodepool/main.tf
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@@ -37,6 +37,20 @@ locals {
]
)
)
node_taint_effect = {
"NoExecute" = "NO_EXECUTE",
"NoSchedule" = "NO_SCHEDULE"
"PreferNoSchedule" = "PREFER_NO_SCHEDULE"
}
temp_node_pools_taints = [
for taint in var.node_taints :
{
"key" = element(split("=", taint), 0),
"value" = element(split(":", element(split("=", taint), 1)), 0),
"effect" = lookup(local.node_taint_effect, element(split(":", taint), 1)),
}
]
node_taints = local.temp_node_pools_taints
}
resource "google_service_account" "service_account" {
@@ -65,6 +79,7 @@ resource "google_container_node_pool" "nodepool" {
disk_type = var.node_disk_type
image_type = var.node_image_type
labels = var.node_labels
taint = local.node_taints
local_ssd_count = var.node_local_ssd_count
machine_type = var.node_machine_type
metadata = var.node_metadata

12
modules/gke-nodepool/variables.tf
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@@ -96,6 +96,12 @@ variable "node_labels" {
default = {}
}
variable "node_taints" {
description = "Kubernetes taints applied to nodes. E.g. type=blue:NoSchedule"
type = list(string)
default = []
}
variable "node_local_ssd_count" {
description = "Number of local SSDs attached to nodes."
type = number
@@ -167,12 +173,6 @@ variable "node_tags" {
default = null
}
# variable "node_taint" {
# description = "Kubernetes taints applied to nodes."
# type = string
# default = null
# }
variable "node_count" {
description = "Number of nodes per instance group, can be updated after creation. Ignored when autoscaling is set."
type = number