129 lines
4.7 KiB
HCL
129 lines
4.7 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 services variables.
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variable "backend_service_configs" {
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description = "Backend service level configuration."
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type = map(object({
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affinity_cookie_ttl_sec = optional(number)
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connection_draining_timeout_sec = optional(number)
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health_checks = optional(list(string), ["default"])
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locality_lb_policy = optional(string)
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log_sample_rate = optional(number)
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port_name = optional(string)
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project_id = optional(string)
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protocol = optional(string)
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session_affinity = optional(string)
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timeout_sec = optional(number)
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backends = list(object({
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group = string
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balancing_mode = optional(string, "UTILIZATION")
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capacity_scaler = optional(number, 1)
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description = optional(string, "Terraform managed.")
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failover = optional(bool, false)
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max_rate = optional(object({
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per_endpoint = optional(number)
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per_group = optional(number)
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per_instance = optional(number)
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}))
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max_utilization = optional(number)
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}))
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circuit_breakers = optional(object({
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max_connections = optional(number)
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max_pending_requests = optional(number)
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max_requests = optional(number)
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max_requests_per_connection = optional(number)
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max_retries = optional(number)
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connect_timeout = optional(object({
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seconds = number
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nanos = optional(number)
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}))
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}))
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consistent_hash = optional(object({
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http_header_name = optional(string)
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minimum_ring_size = optional(number)
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http_cookie = optional(object({
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name = optional(string)
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path = optional(string)
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ttl = optional(object({
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seconds = number
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nanos = optional(number)
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}))
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}))
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}))
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iap_config = optional(object({
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oauth2_client_id = string
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oauth2_client_secret = string
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oauth2_client_secret_sha256 = optional(string)
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}))
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outlier_detection = optional(object({
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consecutive_errors = optional(number)
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consecutive_gateway_failure = optional(number)
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enforcing_consecutive_errors = optional(number)
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enforcing_consecutive_gateway_failure = optional(number)
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enforcing_success_rate = optional(number)
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max_ejection_percent = optional(number)
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success_rate_minimum_hosts = optional(number)
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success_rate_request_volume = optional(number)
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success_rate_stdev_factor = optional(number)
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base_ejection_time = optional(object({
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seconds = number
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nanos = optional(number)
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}))
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interval = optional(object({
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seconds = number
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nanos = optional(number)
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}))
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}))
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}))
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default = {}
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nullable = false
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validation {
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condition = alltrue([
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for backend_service in values(var.backend_service_configs) : contains(
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[
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"-", "ROUND_ROBIN", "LEAST_REQUEST", "RING_HASH",
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"RANDOM", "ORIGINAL_DESTINATION", "MAGLEV"
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],
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coalesce(backend_service.locality_lb_policy, "-")
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)
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])
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error_message = "Invalid locality lb policy value."
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}
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validation {
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condition = alltrue([
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for backend_service in values(var.backend_service_configs) : contains(
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[
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"NONE", "CLIENT_IP", "CLIENT_IP_NO_DESTINATION",
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"CLIENT_IP_PORT_PROTO", "CLIENT_IP_PROTO"
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],
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coalesce(backend_service.session_affinity, "NONE")
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)
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])
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error_message = "Invalid session affinity value."
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}
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validation {
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condition = alltrue(flatten([
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for backend_service in values(var.backend_service_configs) : [
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for backend in backend_service.backends : contains(
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["RATE", "UTILIZATION"], coalesce(backend.balancing_mode, "UTILIZATION")
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)]
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]))
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error_message = "When specified, balancing mode needs to be 'RATE' or 'UTILIZATION'."
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}
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}
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