问题描述
我使用https://github.com/cloudposse/terraform-aws-elasticache-redis模块来配置Elasticache Redis。下面是我运行terraform Apply时的错误。我不知道这些错误。
terraform版本：v0.13.5
module.redis.aws_elasticache_parameter_group.default [0]：正在创建...
module.redis.aws_elasticache_subnet_group.default [0]：正在创建...
错误：创建CachesubnetGroup时出错：InvalidParameterValue：必须提供参数CachesubnetGroupName，并且不能为空。 状态码：400，请求ID：a1ab57b1-fa23-491c-aa7b-a2d3804014c9
错误：创建缓存参数组时出错：InvalidParameterValue：必须提供参数CacheParameterGroupName，并且不能为空。 状态码：400，请求ID：9abc80b6-bd3b-46fd-8b9e-9bf14d1913eb
redis.tf:
module "redis" {
source = "git::https://github.com/cloudposse/terraform-aws-elasticache-redis.git?ref=tags/0.25.0"
availability_zones = var.azs
vpc_id = module.vpc.vpc_id
allowed_security_groups = [data.aws_security_group.default.id]
subnets = module.vpc.private_subnets
cluster_size = var.redis_cluster_size #number_cache_clusters
instance_type = var.redis_instance_type
apply_immediately = true
automatic_failover_enabled = false
engine_version = var.engine_version
family = var.family
replication_group_id = var.replication_group_id
elasticache_subnet_group_name = var.elasticache_subnet_group_name
#enabled = true
enabled = var.enabled
#at-rest encryption is to increase data security by encrypting on-disk data.
at_rest_encryption_enabled = var.at_rest_encryption_enabled
#in-transit encryption protects data when it is moving from one location to another.
transit_encryption_enabled = var.transit_encryption_enabled
cloudwatch_metric_alarms_enabled = var.cloudwatch_metric_alarms_enabled
parameter = [
{
#Keyspace notifications send events for every operation affecting the Redis data space.
name = "notify-keyspace-events"
value = "lK"
}
]
context = module.this.context
}
context.tf:
module "this" {
source = "git::https://github.com/cloudposse/terraform-null-label.git?ref=tags/0.19.2"
enabled = var.enabled
namespace = var.namespace
environment = var.environment
stage = var.stage
name = var.name
delimiter = var.delimiter
attributes = var.attributes
tags = var.tags
additional_tag_map = var.additional_tag_map
label_order = var.label_order
regex_replace_chars = var.regex_replace_chars
id_length_limit = var.id_length_limit
context = var.context
}
variable "context" {
type = object({
enabled = bool
namespace = string
environment = string
stage = string
name = string
delimiter = string
attributes = list(string)
tags = map(string)
additional_tag_map = map(string)
regex_replace_chars = string
label_order = list(string)
id_length_limit = number
})
default = {
enabled = true
namespace = null
environment = null
stage = null
name = null
delimiter = null
attributes = []
tags = {}
additional_tag_map = {}
regex_replace_chars = null
label_order = []
id_length_limit = null
}
description = <<-EOT
Single object for setting entire context at once.
See description of individual variables for details.
Leave string and numeric variables as `null` to use default value.
Individual variable settings (non-null) override settings in context object,except for attributes,tags,and additional_tag_map,which are merged.
EOT
}
variable "enabled" {
type = bool
default = true
description = "Set to false to prevent the module from creating any resources"
}
variable "namespace" {
type = string
default = null
description = "Namespace,which Could be your organization name or abbreviation,e.g. 'eg' or 'cp'"
}
variable "environment" {
type = string
default = null
description = "Environment,e.g. 'uw2','us-west-2',OR 'prod','staging','dev','UAT'"
}
variable "stage" {
type = string
default = null
description = "Stage,e.g. 'prod',OR 'source','build','test','deploy','release'"
}
variable "name" {
type = string
default = null
description = "Solution name,e.g. 'app' or 'jenkins'"
}
variable "delimiter" {
type = string
default = null
description = <<-EOT
Delimiter to be used between `namespace`,`environment`,`stage`,`name` and `attributes`.
Defaults to `-` (hyphen). Set to `""` to use no delimiter at all.
EOT
}
variable "attributes" {
type = list(string)
default = []
description = "Additional attributes (e.g. `1`)"
}
variable "tags" {
type = map(string)
default = {}
description = "Additional tags (e.g. `map('BusinessUnit','XYZ')`"
}
variable "additional_tag_map" {
type = map(string)
default = {}
description = "Additional tags for appending to tags_as_list_of_maps. Not added to `tags`."
}
variable "label_order" {
type = list(string)
default = null
description = <<-EOT
The naming order of the id output and Name tag.
Defaults to ["namespace","environment","stage","name","attributes"].
You can omit any of the 5 elements,but at least one must be present.
EOT
}
variable "regex_replace_chars" {
type = string
default = null
description = <<-EOT
Regex to replace chars with empty string in `namespace`,`stage` and `name`.
If not set,`"/[^a-zA-Z0-9-]/"` is used to remove all characters other than hyphens,letters and digits.
EOT
}
variable "id_length_limit" {
type = number
default = null
description = <<-EOT
Limit `id` to this many characters.
Set to `0` for unlimited length.
Set to `null` for default,which is `0`.
Does not affect `id_full`.
EOT
}
解决方法
您需要提供input模块，该模块可以在link you provided上找到。
例如：
错误：创建CacheSubnetGroup时出错：InvalidParameterValue：必须提供参数CacheSubnetGroupName，并且不能为空。状态码：400，请求ID：a1ab57b1-fa23-491c-aa7b-a2d3804014c9
在这种情况下，您需要设置elasticache_subnet_group_name，依此类推：
如果要模块为您创建资源（包括子网组），请打开context.tf并将variable "enabled"设置为true。
否则，您必须自行创建所有按频资源，其中包括elasticache_subnet_group_name。
我发现了问题。 context.tf中的名称空间/环境/阶段/名称的默认值为null。这导致了问题。设置这些值可以解决问题。