103 lines
3.9 KiB
HCL
103 lines
3.9 KiB
HCL
/**
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* Copyright 2022 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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# tfdoc:file:description Backend service resources.
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locals {
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group_ids = merge(
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{
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for k, v in google_compute_instance_group.default : k => v.id
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},
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{
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for k, v in google_compute_network_endpoint_group.default : k => v.id
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},
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{
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for k, v in google_compute_region_network_endpoint_group.psc : k => v.id
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}
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)
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hc_ids = {
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for k, v in google_compute_region_health_check.default : k => v.id
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}
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}
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resource "google_compute_region_backend_service" "default" {
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provider = google-beta
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project = var.project_id
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region = var.region
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name = var.name
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description = var.description
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affinity_cookie_ttl_sec = var.backend_service_config.affinity_cookie_ttl_sec
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connection_draining_timeout_sec = var.backend_service_config.connection_draining_timeout_sec
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health_checks = [local.health_check]
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load_balancing_scheme = "INTERNAL_MANAGED"
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port_name = var.backend_service_config.port_name # defaults to http, not for NEGs
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protocol = "TCP"
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session_affinity = var.backend_service_config.session_affinity
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timeout_sec = var.backend_service_config.timeout_sec
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dynamic "backend" {
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for_each = { for b in coalesce(var.backend_service_config.backends, []) : b.group => b }
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content {
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group = lookup(local.group_ids, backend.key, backend.key)
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balancing_mode = backend.value.balancing_mode
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capacity_scaler = backend.value.capacity_scaler
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description = backend.value.description
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failover = backend.value.failover
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max_connections = try(
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backend.value.max_connections.per_group, null
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)
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max_connections_per_endpoint = try(
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backend.value.max_connections.per_endpoint, null
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)
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max_connections_per_instance = try(
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backend.value.max_connections.per_instance, null
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)
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max_utilization = backend.value.max_utilization
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}
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}
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dynamic "connection_tracking_policy" {
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for_each = var.backend_service_config.connection_tracking == null ? [] : [""]
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content {
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connection_persistence_on_unhealthy_backends = (
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ar.backend_service_config.connection_tracking.persist_conn_on_unhealthy != null
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? ar.backend_service_config.connection_tracking.persist_conn_on_unhealthy
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: null
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)
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idle_timeout_sec = var.backend_service_config.connection_tracking.idle_timeout_sec
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tracking_mode = try(local.bs_conntrack.track_per_session ? "PER_SESSION" : "PER_CONNECTION", null)
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}
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}
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dynamic "failover_policy" {
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for_each = var.backend_service_config.failover_config == null ? [] : [""]
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content {
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disable_connection_drain_on_failover = var.backend_service_config.failover_config.disable_conn_drain
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drop_traffic_if_unhealthy = var.backend_service_config.failover_config.drop_traffic_if_unhealthy
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failover_ratio = var.backend_service_config.failover_config.ratio
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}
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}
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dynamic "log_config" {
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for_each = var.backend_service_config.log_sample_rate == null ? [] : [""]
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content {
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enable = true
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sample_rate = var.backend_service_config.log_sample_rate
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}
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}
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}
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