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Extra eks node group #85

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merged 3 commits into from
Aug 3, 2022
Merged

Extra eks node group #85

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a657c1c
Add extra_node_pool_instance_types var
gengmao Aug 3, 2022
aad7cae
fix [] to {}
gengmao Aug 3, 2022
be9c1da
Update doc
gengmao Aug 3, 2022
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16 changes: 9 additions & 7 deletions README.md
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Expand Up @@ -74,13 +74,14 @@ variable "region" {
module "sn_cluster" {
source = "streamnative/cloud/aws"

cluster_name = "sn-cluster-${var.region}"
cluster_version = "1.20"
hosted_zone_id = "Z04554535IN8Z31SKDVQ2" # Change this to your hosted zone ID
node_pool_instance_types = ["c6i.xlarge"]
node_pool_desired_size = 2
node_pool_min_size = 1
node_pool_max_size = 6
cluster_name = "sn-cluster-${var.region}"
cluster_version = "1.20"
hosted_zone_id = "Z04554535IN8Z31SKDVQ2" # Change this to your hosted zone ID
node_pool_instance_types = ["c6i.xlarge"]
extra_node_pool_instance_types = ["c6i.2xlarge"] # Defaults to empty list. Means don't create extra node pool
node_pool_desired_size = 2
node_pool_min_size = 1
node_pool_max_size = 6

## Note: EKS requires two subnets, each in their own availability zone
public_subnet_ids = ["subnet-abcde012", "subnet-bcde012a"]
Expand Down Expand Up @@ -403,6 +404,7 @@ You can also disable `kubernetes-external-secrets` by setting the input `enable-
| <a name="input_node_pool_disk_size"></a> [node\_pool\_disk\_size](#input\_node\_pool\_disk\_size) | Disk size in GiB for worker nodes in the node pool. Defaults to 50. | `number` | `50` | no |
| <a name="input_node_pool_disk_type"></a> [node\_pool\_disk\_type](#input\_node\_pool\_disk\_type) | Disk type for worker nodes in the node pool. Defaults to gp3. | `string` | `"gp3"` | no |
| <a name="input_node_pool_instance_types"></a> [node\_pool\_instance\_types](#input\_node\_pool\_instance\_types) | Set of instance types associated with the EKS Node Group. Defaults to ["c6i.large"]. | `list(string)` | <pre>[<br> "c6i.large"<br>]</pre> | no |
| <a name="input_extra_node_pool_instance_types"></a> [extra\_node\_pool\_instance\_types](#input\_extra\_node\_pool\_instance\_types) | Set of instance types of an extra node pool. Same properties as default node pool except name and instance types. Defaults to []. | `list(string)` | <pre>[]</pre> | no |
| <a name="input_node_pool_labels"></a> [node\_pool\_labels](#input\_node\_pool\_labels) | A map of kubernetes labels to add to the node pool. | `map(string)` | `{}` | no |
| <a name="input_node_pool_max_size"></a> [node\_pool\_max\_size](#input\_node\_pool\_max\_size) | The maximum size of the node pool Autoscaling group. | `number` | n/a | yes |
| <a name="input_node_pool_min_size"></a> [node\_pool\_min\_size](#input\_node\_pool\_min\_size) | The minimum size of the node pool AutoScaling group. | `number` | `1` | no |
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7 changes: 4 additions & 3 deletions main.tf
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Expand Up @@ -77,9 +77,10 @@ locals {
taints = []
}

snc_node_config = { for i, v in var.private_subnet_ids : "snc-node-pool${i}" => merge(local.node_pool_defaults, { subnets = [var.private_subnet_ids[i]], name = "snc-node-pool${i}" }) }
snc_func_config = { for i, v in var.private_subnet_ids : "snc-func-pool${i}" => merge(local.func_pool_defaults, { subnets = [var.private_subnet_ids[i]], name = "snc-func-pool${i}" }) }
node_groups = (var.enable_func_pool ? merge(local.snc_node_config, local.snc_func_config) : local.snc_node_config)
snc_node_config = { for i, v in var.private_subnet_ids : "snc-node-pool${i}" => merge(local.node_pool_defaults, { subnets = [var.private_subnet_ids[i]], name = "snc-node-pool${i}" }) }
snc_extra_node_config = (length(var.extra_node_pool_instance_types) == 0 ? {} : { for i, v in var.private_subnet_ids : "snc-extra-node-pool${i}" => merge(local.node_pool_defaults, { subnets = [var.private_subnet_ids[i]], name = "snc-extra-node-pool${i}", instance_types = var.extra_node_pool_instance_types }) })
snc_func_config = { for i, v in var.private_subnet_ids : "snc-func-pool${i}" => merge(local.func_pool_defaults, { subnets = [var.private_subnet_ids[i]], name = "snc-func-pool${i}" }) }
node_groups = (var.enable_func_pool ? merge(local.snc_node_config, local.snc_func_config, local.snc_extra_node_config) : merge(local.snc_node_config, local.snc_extra_node_config))
}

module "eks" {
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6 changes: 6 additions & 0 deletions variables.tf
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Expand Up @@ -575,6 +575,12 @@ variable "node_pool_instance_types" {
type = list(string)
}

variable "extra_node_pool_instance_types" {
default = []
description = "Set of instance types of an extra node pool. Same properties as default node pool except name and instance types."
type = list(string)
}

variable "node_pool_labels" {
default = {}
description = "A map of kubernetes labels to add to the node pool."
Expand Down