地形合并地图列表 [英] Terraform merge list of maps
本文介绍了地形合并地图列表的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我的输入如下:
list_groups = [
{
dev-api = {
envs = [
"dev-eu-1",
"dev-eu-2",
]
hosts = [
"dev-api-eu1",
"dev-api-eu2",
]
}
},
{
dev-api = {
envs = [
"dev-us-1",
"dev-us-2",
]
hosts = [
"dev-api-us1",
"dev-api-us2",
]
}
},
]
我正在使用合并,如下所示:
I am using merge as below:
output "map_groups" {
value = merge(var.list_groups...)
}
我得到的输出是:
map_groups = {
dev-api = {
envs = [
"dev-us-1",
"dev-us-2",
]
hosts = [
"dev-api-us1",
"dev-api-us2",
]
}
}
但是我需要的输出是:
map_groups = {
dev-api = {
envs = [
"dev-us-1",
"dev-us-2",
"dev-eu-1",
"dev-eu-2"
]
hosts = [
"dev-api-us1",
"dev-api-us2",
"dev-api-eu1",
"dev-api-eu2"
]
}
}
我知道合并正在吃掉其中一个条目,因为密钥是相同的,但是如果它可以以某种方式合并条目/元素,那将是很棒的.
I understand the merge is eating up one of the entries because the key is the same but if it could somehow merge the entries/elements, that'll be great.
推荐答案
这是一个相当复杂的问题.我认为您应该集中精力简化输入数据,而不是尝试使用一些复杂的TF代码对输入数据结构进行后修复.尽管如此,TF代码是:
This is rather complex issue. I think you should concentrate on simplifying your input data, rather then trying to come out with some convoluted TF code to post-fix your input data structures. Nevertheless, the TF code is:
variable "list_groups" {
default = [
{
dev-api = {
envs = [
"dev-eu-1",
"dev-eu-2",
]
hosts = [
"dev-api-eu1",
"dev-api-eu2",
]
}
},
{
dev-api = {
envs = [
"dev-us-1",
"dev-us-2",
]
hosts = [
"dev-api-us1",
"dev-api-us2",
]
}
},
]
}
locals {
api_names = distinct([for api in var.list_groups: keys(api)[0]])
}
output "test" {
value = {for key, val in {for api_name in local.api_names:
api_name => {
envs = flatten([
for api in var.list_groups:
api[api_name].envs
])
hosts = flatten([
for api in var.list_groups:
api[api_name].hosts
])
}...
}: key => val[0]}
}
输出为:
test = {
"dev-api" = {
"envs" = [
"dev-eu-1",
"dev-eu-2",
"dev-us-1",
"dev-us-2",
]
"hosts" = [
"dev-api-eu1",
"dev-api-eu2",
"dev-api-us1",
"dev-api-us2",
]
}
}
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