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cluster.tf
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cluster.tf
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/**
* Copyright 2018 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// This file was automatically generated from a template in ./autogen
/******************************************
Create Container Cluster
*****************************************/
resource "google_container_cluster" "primary" {
provider = google
name = var.name
description = var.description
project = var.project_id
resource_labels = var.cluster_resource_labels
location = local.location
node_locations = local.node_locations
cluster_ipv4_cidr = var.cluster_ipv4_cidr
network = data.google_compute_network.gke_network.self_link
dynamic "network_policy" {
for_each = local.cluster_network_policy
content {
enabled = network_policy.value.enabled
provider = network_policy.value.provider
}
}
subnetwork = data.google_compute_subnetwork.gke_subnetwork.self_link
min_master_version = local.master_version
logging_service = var.logging_service
monitoring_service = var.monitoring_service
dynamic "master_authorized_networks_config" {
for_each = var.master_authorized_networks_config
content {
dynamic "cidr_blocks" {
for_each = master_authorized_networks_config.value.cidr_blocks
content {
cidr_block = lookup(cidr_blocks.value, "cidr_block", "")
display_name = lookup(cidr_blocks.value, "display_name", "")
}
}
}
}
master_auth {
username = var.basic_auth_username
password = var.basic_auth_password
client_certificate_config {
issue_client_certificate = var.issue_client_certificate
}
}
addons_config {
http_load_balancing {
disabled = ! var.http_load_balancing
}
horizontal_pod_autoscaling {
disabled = ! var.horizontal_pod_autoscaling
}
kubernetes_dashboard {
disabled = ! var.kubernetes_dashboard
}
network_policy_config {
disabled = ! var.network_policy
}
}
ip_allocation_policy {
cluster_secondary_range_name = var.ip_range_pods
services_secondary_range_name = var.ip_range_services
}
maintenance_policy {
daily_maintenance_window {
start_time = var.maintenance_start_time
}
}
lifecycle {
ignore_changes = [node_pool, initial_node_count]
}
timeouts {
create = "30m"
update = "30m"
delete = "30m"
}
node_pool {
name = "default-pool"
initial_node_count = var.initial_node_count
node_config {
service_account = lookup(var.node_pools[0], "service_account", local.service_account)
}
}
remove_default_node_pool = var.remove_default_node_pool
}
/******************************************
Create Container Cluster node pools
*****************************************/
resource "google_container_node_pool" "pools" {
provider = google
count = length(var.node_pools)
name = var.node_pools[count.index]["name"]
project = var.project_id
location = local.location
cluster = google_container_cluster.primary.name
version = lookup(var.node_pools[count.index], "auto_upgrade", false) ? "" : lookup(
var.node_pools[count.index],
"version",
local.node_version,
)
initial_node_count = lookup(
var.node_pools[count.index],
"initial_node_count",
lookup(var.node_pools[count.index], "min_count", 1),
)
node_count = lookup(var.node_pools[count.index], "autoscaling", true) ? null : lookup(var.node_pools[count.index], "min_count", 1)
dynamic "autoscaling" {
for_each = lookup(var.node_pools[count.index], "autoscaling", true) ? [var.node_pools[count.index]] : []
content {
min_node_count = lookup(autoscaling.value, "min_count", 1)
max_node_count = lookup(autoscaling.value, "max_count", 100)
}
}
management {
auto_repair = lookup(var.node_pools[count.index], "auto_repair", true)
auto_upgrade = lookup(var.node_pools[count.index], "auto_upgrade", local.default_auto_upgrade)
}
node_config {
image_type = lookup(var.node_pools[count.index], "image_type", "COS")
machine_type = lookup(var.node_pools[count.index], "machine_type", "n1-standard-2")
labels = merge(
lookup(lookup(var.node_pools_labels, "default_values", {}), "cluster_name", true) ? { "cluster_name" = var.name } : {},
lookup(lookup(var.node_pools_labels, "default_values", {}), "node_pool", true) ? { "node_pool" = var.node_pools[count.index]["name"] } : {},
var.node_pools_labels["all"],
var.node_pools_labels[var.node_pools[count.index]["name"]],
)
metadata = merge(
lookup(lookup(var.node_pools_metadata, "default_values", {}), "cluster_name", true) ? { "cluster_name" = var.name } : {},
lookup(lookup(var.node_pools_metadata, "default_values", {}), "node_pool", true) ? { "node_pool" = var.node_pools[count.index]["name"] } : {},
var.node_pools_metadata["all"],
var.node_pools_metadata[var.node_pools[count.index]["name"]],
{
"disable-legacy-endpoints" = var.disable_legacy_metadata_endpoints
},
)
tags = concat(
lookup(var.node_pools_tags, "default_values", [true, true])[0] ? ["gke-${var.name}"] : [],
lookup(var.node_pools_tags, "default_values", [true, true])[1] ? ["gke-${var.name}-${var.node_pools[count.index]["name"]}"] : [],
var.node_pools_tags["all"],
var.node_pools_tags[var.node_pools[count.index]["name"]],
)
disk_size_gb = lookup(var.node_pools[count.index], "disk_size_gb", 100)
disk_type = lookup(var.node_pools[count.index], "disk_type", "pd-standard")
service_account = lookup(
var.node_pools[count.index],
"service_account",
local.service_account,
)
preemptible = lookup(var.node_pools[count.index], "preemptible", false)
oauth_scopes = concat(
var.node_pools_oauth_scopes["all"],
var.node_pools_oauth_scopes[var.node_pools[count.index]["name"]],
)
guest_accelerator = [
for guest_accelerator in lookup(var.node_pools[count.index], "accelerator_count", 0) > 0 ? [{
type = lookup(var.node_pools[count.index], "accelerator_type", "")
count = lookup(var.node_pools[count.index], "accelerator_count", 0)
}] : [] : {
type = guest_accelerator["type"]
count = guest_accelerator["count"]
}
]
}
lifecycle {
ignore_changes = [initial_node_count]
}
timeouts {
create = "30m"
update = "30m"
delete = "30m"
}
}
resource "null_resource" "wait_for_cluster" {
count = var.skip_provisioners ? 0 : 1
provisioner "local-exec" {
command = "${path.module}/scripts/wait-for-cluster.sh ${var.project_id} ${var.name}"
}
provisioner "local-exec" {
when = destroy
command = "${path.module}/scripts/wait-for-cluster.sh ${var.project_id} ${var.name}"
}
depends_on = [
google_container_cluster.primary,
google_container_node_pool.pools,
]
}