283 lines
9.0 KiB
HCL
283 lines
9.0 KiB
HCL
/**
|
|
* Copyright 2022 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.
|
|
*/
|
|
|
|
variable "all_instances_config" {
|
|
description = "Metadata and labels set to all instances in the group."
|
|
type = object({
|
|
labels = optional(map(string))
|
|
metadata = optional(map(string))
|
|
})
|
|
default = null
|
|
}
|
|
|
|
variable "auto_healing_policies" {
|
|
description = "Auto-healing policies for this group."
|
|
type = object({
|
|
health_check = optional(string)
|
|
initial_delay_sec = number
|
|
})
|
|
default = null
|
|
}
|
|
|
|
variable "autoscaler_config" {
|
|
description = "Optional autoscaler configuration."
|
|
type = object({
|
|
max_replicas = number
|
|
min_replicas = number
|
|
cooldown_period = optional(number)
|
|
mode = optional(string) # OFF, ONLY_UP, ON
|
|
scaling_control = optional(object({
|
|
down = optional(object({
|
|
max_replicas_fixed = optional(number)
|
|
max_replicas_percent = optional(number)
|
|
time_window_sec = optional(number)
|
|
}))
|
|
in = optional(object({
|
|
max_replicas_fixed = optional(number)
|
|
max_replicas_percent = optional(number)
|
|
time_window_sec = optional(number)
|
|
}))
|
|
}), {})
|
|
scaling_signals = optional(object({
|
|
cpu_utilization = optional(object({
|
|
target = number
|
|
optimize_availability = optional(bool)
|
|
}))
|
|
load_balancing_utilization = optional(object({
|
|
target = number
|
|
}))
|
|
metrics = optional(list(object({
|
|
name = string
|
|
type = optional(string) # GAUGE, DELTA_PER_SECOND, DELTA_PER_MINUTE
|
|
target_value = optional(number)
|
|
single_instance_assignment = optional(number)
|
|
time_series_filter = optional(string)
|
|
})))
|
|
schedules = optional(list(object({
|
|
duration_sec = number
|
|
name = string
|
|
min_required_replicas = number
|
|
cron_schedule = string
|
|
description = optional(bool)
|
|
timezone = optional(string)
|
|
disabled = optional(bool)
|
|
})))
|
|
}), {})
|
|
})
|
|
default = null
|
|
}
|
|
|
|
variable "default_version_name" {
|
|
description = "Name used for the default version."
|
|
type = string
|
|
default = "default"
|
|
}
|
|
|
|
variable "description" {
|
|
description = "Optional description used for all resources managed by this module."
|
|
type = string
|
|
default = "Terraform managed."
|
|
}
|
|
|
|
variable "distribution_policy" {
|
|
description = "DIstribution policy for regional MIG."
|
|
type = object({
|
|
target_shape = optional(string)
|
|
zones = optional(list(string))
|
|
})
|
|
default = null
|
|
}
|
|
|
|
variable "health_check_config" {
|
|
description = "Optional auto-created health check configuration, use the output self-link to set it in the auto healing policy. Refer to examples for usage."
|
|
type = object({
|
|
check_interval_sec = optional(number)
|
|
description = optional(string, "Terraform managed.")
|
|
enable_logging = optional(bool, false)
|
|
healthy_threshold = optional(number)
|
|
timeout_sec = optional(number)
|
|
unhealthy_threshold = optional(number)
|
|
grpc = optional(object({
|
|
port = optional(number)
|
|
port_name = optional(string)
|
|
port_specification = optional(string) # USE_FIXED_PORT USE_NAMED_PORT USE_SERVING_PORT
|
|
service_name = optional(string)
|
|
}))
|
|
http = optional(object({
|
|
host = optional(string)
|
|
port = optional(number)
|
|
port_name = optional(string)
|
|
port_specification = optional(string) # USE_FIXED_PORT USE_NAMED_PORT USE_SERVING_PORT
|
|
proxy_header = optional(string)
|
|
request_path = optional(string)
|
|
response = optional(string)
|
|
}))
|
|
http2 = optional(object({
|
|
host = optional(string)
|
|
port = optional(number)
|
|
port_name = optional(string)
|
|
port_specification = optional(string) # USE_FIXED_PORT USE_NAMED_PORT USE_SERVING_PORT
|
|
proxy_header = optional(string)
|
|
request_path = optional(string)
|
|
response = optional(string)
|
|
}))
|
|
https = optional(object({
|
|
host = optional(string)
|
|
port = optional(number)
|
|
port_name = optional(string)
|
|
port_specification = optional(string) # USE_FIXED_PORT USE_NAMED_PORT USE_SERVING_PORT
|
|
proxy_header = optional(string)
|
|
request_path = optional(string)
|
|
response = optional(string)
|
|
}))
|
|
tcp = optional(object({
|
|
port = optional(number)
|
|
port_name = optional(string)
|
|
port_specification = optional(string) # USE_FIXED_PORT USE_NAMED_PORT USE_SERVING_PORT
|
|
proxy_header = optional(string)
|
|
request = optional(string)
|
|
response = optional(string)
|
|
}))
|
|
ssl = optional(object({
|
|
port = optional(number)
|
|
port_name = optional(string)
|
|
port_specification = optional(string) # USE_FIXED_PORT USE_NAMED_PORT USE_SERVING_PORT
|
|
proxy_header = optional(string)
|
|
request = optional(string)
|
|
response = optional(string)
|
|
}))
|
|
})
|
|
default = null
|
|
validation {
|
|
condition = (
|
|
(try(var.health_check_config.grpc, null) == null ? 0 : 1) +
|
|
(try(var.health_check_config.http, null) == null ? 0 : 1) +
|
|
(try(var.health_check_config.http2, null) == null ? 0 : 1) +
|
|
(try(var.health_check_config.https, null) == null ? 0 : 1) +
|
|
(try(var.health_check_config.tcp, null) == null ? 0 : 1) +
|
|
(try(var.health_check_config.ssl, null) == null ? 0 : 1) <= 1
|
|
)
|
|
error_message = "Only one health check type can be configured at a time."
|
|
}
|
|
}
|
|
|
|
variable "instance_template" {
|
|
description = "Instance template for the default version."
|
|
type = string
|
|
}
|
|
|
|
variable "location" {
|
|
description = "Compute zone or region."
|
|
type = string
|
|
}
|
|
|
|
variable "name" {
|
|
description = "Managed group name."
|
|
type = string
|
|
}
|
|
|
|
variable "named_ports" {
|
|
description = "Named ports."
|
|
type = map(number)
|
|
default = null
|
|
}
|
|
|
|
variable "project_id" {
|
|
description = "Project id."
|
|
type = string
|
|
}
|
|
|
|
variable "stateful_config" {
|
|
description = "Stateful configuration for individual instances."
|
|
type = map(object({
|
|
minimal_action = optional(string)
|
|
most_disruptive_action = optional(string)
|
|
remove_state_on_destroy = optional(bool)
|
|
preserved_state = optional(object({
|
|
disks = optional(map(object({
|
|
source = string
|
|
delete_on_instance_deletion = optional(bool)
|
|
read_only = optional(bool)
|
|
})))
|
|
metadata = optional(map(string))
|
|
}))
|
|
}))
|
|
default = {}
|
|
nullable = false
|
|
}
|
|
|
|
variable "stateful_disks" {
|
|
description = "Stateful disk configuration applied at the MIG level to all instances, in device name => on permanent instance delete rule as boolean."
|
|
type = map(bool)
|
|
default = {}
|
|
nullable = false
|
|
}
|
|
|
|
variable "target_pools" {
|
|
description = "Optional list of URLs for target pools to which new instances in the group are added."
|
|
type = list(string)
|
|
default = []
|
|
}
|
|
|
|
variable "target_size" {
|
|
description = "Group target size, leave null when using an autoscaler."
|
|
type = number
|
|
default = null
|
|
}
|
|
|
|
variable "update_policy" {
|
|
description = "Update policy. Minimal action and type are required."
|
|
type = object({
|
|
minimal_action = string
|
|
type = string
|
|
max_surge = optional(object({
|
|
fixed = optional(number)
|
|
percent = optional(number)
|
|
}))
|
|
max_unavailable = optional(object({
|
|
fixed = optional(number)
|
|
percent = optional(number)
|
|
}))
|
|
min_ready_sec = optional(number)
|
|
most_disruptive_action = optional(string)
|
|
regional_redistribution_type = optional(string)
|
|
replacement_method = optional(string)
|
|
})
|
|
default = null
|
|
}
|
|
|
|
variable "versions" {
|
|
description = "Additional application versions, target_size is optional."
|
|
type = map(object({
|
|
instance_template = string
|
|
target_size = optional(object({
|
|
fixed = optional(number)
|
|
percent = optional(number)
|
|
}))
|
|
}))
|
|
default = {}
|
|
nullable = false
|
|
}
|
|
|
|
variable "wait_for_instances" {
|
|
description = "Wait for all instances to be created/updated before returning."
|
|
type = object({
|
|
enabled = bool
|
|
status = optional(string)
|
|
})
|
|
default = null
|
|
}
|