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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/main
/******************************************
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 = "projects/${local.network_project_id}/global/networks/${var.network}"
dynamic "network_policy" {
for_each = local.cluster_network_policy
content {
enabled = network_policy.value.enabled
provider = network_policy.value.provider
}
}
dynamic "release_channel" {
for_each = local.release_channel
content {
channel = release_channel.value.channel
}
}
subnetwork = "projects/${local.network_project_id}/regions/${local.region}/subnetworks/${var.subnetwork}"
min_master_version = var.release_channel != null ? null : local.master_version
logging_service = var.logging_service
monitoring_service = var.monitoring_service
cluster_autoscaling {
enabled = var.cluster_autoscaling.enabled
dynamic "resource_limits" {
for_each = local.autoscaling_resource_limits
content {
resource_type = lookup(resource_limits.value, "resource_type")
minimum = lookup(resource_limits.value, "minimum")
maximum = lookup(resource_limits.value, "maximum")
}
}
}
vertical_pod_autoscaling {
enabled = var.enable_vertical_pod_autoscaling
}
default_max_pods_per_node = var.default_max_pods_per_node
enable_shielded_nodes = var.enable_shielded_nodes
enable_binary_authorization = var.enable_binary_authorization
dynamic "master_authorized_networks_config" {
for_each = local.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
}
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 = "45m"
update = "45m"
delete = "45m"
}
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)
dynamic "workload_metadata_config" {
for_each = local.cluster_node_metadata_config
content {
node_metadata = workload_metadata_config.value.node_metadata
}
}
metadata = local.node_pools_metadata["all"]
}
}
dynamic "resource_usage_export_config" {
for_each = var.resource_usage_export_dataset_id != "" ? [{
enable_network_egress_metering = var.enable_network_egress_export
enable_resource_consumption_metering = var.enable_resource_consumption_export
dataset_id = var.resource_usage_export_dataset_id
}] : []
content {
enable_network_egress_metering = resource_usage_export_config.value.enable_network_egress_metering
enable_resource_consumption_metering = resource_usage_export_config.value.enable_resource_consumption_metering
bigquery_destination {
dataset_id = resource_usage_export_config.value.dataset_id
}
}
}
remove_default_node_pool = var.remove_default_node_pool
dynamic "database_encryption" {
for_each = var.database_encryption
content {
key_name = database_encryption.value.key_name
state = database_encryption.value.state
}
}
dynamic "workload_identity_config" {
for_each = local.cluster_workload_identity_config
content {
identity_namespace = workload_identity_config.value.identity_namespace
}
}
dynamic "authenticator_groups_config" {
for_each = local.cluster_authenticator_security_group
content {
security_group = authenticator_groups_config.value.security_group
}
}
}
/******************************************
Create Container Cluster node pools
*****************************************/
resource "google_container_node_pool" "pools" {
provider = google
for_each = local.node_pools
name = each.key
project = var.project_id
location = local.location
// use node_locations if provided, defaults to cluster level node_locations if not specified
node_locations = lookup(each.value, "node_locations", "") != "" ? split(",", each.value["node_locations"]) : null
cluster = google_container_cluster.primary.name
version = lookup(each.value, "auto_upgrade", false) ? "" : lookup(
each.value,
"version",
google_container_cluster.primary.min_master_version,
)
initial_node_count = lookup(each.value, "autoscaling", true) ? lookup(
each.value,
"initial_node_count",
lookup(each.value, "min_count", 1)
) : null
max_pods_per_node = lookup(each.value, "max_pods_per_node", null)
node_count = lookup(each.value, "autoscaling", true) ? null : lookup(each.value, "node_count", 1)
dynamic "autoscaling" {
for_each = lookup(each.value, "autoscaling", true) ? [each.value] : []
content {
min_node_count = lookup(autoscaling.value, "min_count", 1)
max_node_count = lookup(autoscaling.value, "max_count", 100)
}
}
management {
auto_repair = lookup(each.value, "auto_repair", true)
auto_upgrade = lookup(each.value, "auto_upgrade", local.default_auto_upgrade)
}
node_config {
image_type = lookup(each.value, "image_type", "COS")
machine_type = lookup(each.value, "machine_type", "e2-medium")
labels = merge(
lookup(lookup(local.node_pools_labels, "default_values", {}), "cluster_name", true) ? { "cluster_name" = var.name } : {},
lookup(lookup(local.node_pools_labels, "default_values", {}), "node_pool", true) ? { "node_pool" = each.value["name"] } : {},
local.node_pools_labels["all"],
local.node_pools_labels[each.value["name"]],
)
metadata = merge(
lookup(lookup(local.node_pools_metadata, "default_values", {}), "cluster_name", true) ? { "cluster_name" = var.name } : {},
lookup(lookup(local.node_pools_metadata, "default_values", {}), "node_pool", true) ? { "node_pool" = each.value["name"] } : {},
local.node_pools_metadata["all"],
local.node_pools_metadata[each.value["name"]],
{
"disable-legacy-endpoints" = var.disable_legacy_metadata_endpoints
},
)
dynamic "taint" {
for_each = concat(
local.node_pools_taints["all"],
local.node_pools_taints[each.value["name"]],
)
content {
effect = taint.value.effect
key = taint.value.key
value = taint.value.value
}
}
tags = concat(
lookup(local.node_pools_tags, "default_values", [true, true])[0] ? [local.cluster_network_tag] : [],
lookup(local.node_pools_tags, "default_values", [true, true])[1] ? ["${local.cluster_network_tag}-${each.value["name"]}"] : [],
local.node_pools_tags["all"],
local.node_pools_tags[each.value["name"]],
)
local_ssd_count = lookup(each.value, "local_ssd_count", 0)
disk_size_gb = lookup(each.value, "disk_size_gb", 100)
disk_type = lookup(each.value, "disk_type", "pd-standard")
service_account = lookup(
each.value,
"service_account",
local.service_account,
)
preemptible = lookup(each.value, "preemptible", false)
oauth_scopes = concat(
local.node_pools_oauth_scopes["all"],
local.node_pools_oauth_scopes[each.value["name"]],
)
guest_accelerator = [
for guest_accelerator in lookup(each.value, "accelerator_count", 0) > 0 ? [{
type = lookup(each.value, "accelerator_type", "")
count = lookup(each.value, "accelerator_count", 0)
}] : [] : {
type = guest_accelerator["type"]
count = guest_accelerator["count"]
}
]
dynamic "workload_metadata_config" {
for_each = local.cluster_node_metadata_config
content {
node_metadata = lookup(each.value, "node_metadata", workload_metadata_config.value.node_metadata)
}
}
shielded_instance_config {
enable_secure_boot = lookup(each.value, "enable_secure_boot", false)
enable_integrity_monitoring = lookup(each.value, "enable_integrity_monitoring", true)
}
}
lifecycle {
ignore_changes = [initial_node_count]
}
timeouts {
create = "45m"
update = "45m"
delete = "45m"
}
}