Terraform for-each z listą obiektów
Mam następującą zmienną w pliku variable.tf:
variable tenants {
description = "Map of project names to configuration."
type = list(object({
name = string
dname = string
desc = string
site = list(string)
}))
default = [{
name = "Tenant-1",
dname = "Tenant-1",
desc = "Test Tenant 1",
site = ["site1", "site2"]
},
{
name = "Tenant-2",
dname = "Tenant-2",
desc = "Test Tenant 2",
site = ["site1"]
}]
}
W moim pliku main.tf chciałbym zapętlić tę listę. Mam następujący kod w pliku main.tf:
resource "mso_tenant" "restenant" {
for_each = {for i, v in var.tenants: i => v}
name = each.value.name
display_name = each.value.dname
description = each.value.desc
site_associations {
site_id = each.value.site
}
}
Zatem końcowy rezultat powinien być taki, że 2 dzierżawców zostanie utworzonych z atrybutami określonymi w pliku zmiennych. Tak więc tenant1 będzie miał 2 site_associations, a tenant2 będzie miał jedno skojarzenie po utworzeniu.
Wynik powinien być:
name = "Tenant-1"
display_name = "Tenant-1"
description = "Test Tenant 1"
site_associations {
site_id = site1
site_id = site2
}
i
name = "Tenant-2"
display_name = "Tenant-2"
description = "Test Tenant 2"
site_associations {
site_id = site1
}
Próbowałem następujących rzeczy:
resource "mso_tenant" "restenant" {
for_each = {for i, v in var.tenants: i => v}
name = each.value.name
display_name = each.value.dname
description = each.value.desc
site_associations {
site_id = each.value.site
}
}
Działa to dla osób name
, dname
a desc
jednak nie iteracyjne nad zmienną strony (co jest lista). Powoduje to wyświetlenie komunikatu o błędzie:
each.value.site to lista łańcuchów zawierających 1 element Niewłaściwa wartość atrybutu „site_id”: wymagany jest ciąg.
Próbowałem rozwiązać w następujący sposób:
resource "mso_tenant" "restenant" {
for_each = {for i, v in var.tenants: i => v}
name = each.value.name
display_name = each.value.dname
description = each.value.desc
site_associations {
site_id = [for site in each.value.site: site]
}
}
ale to również daje:
each.value.site to lista łańcuchów z 2 elementami Niewłaściwa wartość atrybutu „site_id”: wymagany jest ciąg.
Odpowiedzi
To, czego szukasz, to blok dynamiczny: https://www.terraform.io/docs/configuration/expressions.html#dynamic-blocks
Oryginalny:
site_associations {
site_id = each.value.site
}
Dynamiczny:
dynamic "site_associations"{
for_each = each.value.site
content {
site_id = site_associations.value
}
}
dynamic
Blok pozwala utworzyć kolejną for_each
pętlę nad each.value.site
.
Uwaga: do wartości wewnątrz bloku dynamicznego odwołuje się nazwa bloku site_associations.value
Cały main.tf:
variable tenants {
description = "Map of project names to configuration."
type = list(object({
name = string
dname = string
desc = string
site = list(string)
}))
default = [{
name = "Tenant-1",
dname = "Tenant-1",
desc = "Test Tenant 1",
site = ["site1", "site2"]
},
{
name = "Tenant-2",
dname = "Tenant-2",
desc = "Test Tenant 2",
site = ["site1"]
}]
}
resource "mso_tenant" "restenant" {
for_each = {for i, v in var.tenants: i => v}
name = each.value.name
display_name = each.value.dname
description = each.value.desc
dynamic "site_associations"{
for_each = each.value.site
content {
site_id = site_associations.value
}
}
}
Planowanie wyników:
# mso_tenant.restenant["0"] will be created
+ resource "mso_tenant" "restenant" {
+ description = "Test Tenant 1"
+ display_name = "Tenant-1"
+ id = (known after apply)
+ name = "Tenant-1"
+ site_associations {
+ aws_access_key_id = (known after apply)
+ aws_account_id = (known after apply)
+ aws_secret_key = (known after apply)
+ azure_access_type = (known after apply)
+ azure_active_directory_id = (known after apply)
+ azure_application_id = (known after apply)
+ azure_client_secret = (known after apply)
+ azure_subscription_id = (known after apply)
+ is_aws_account_trusted = (known after apply)
+ site_id = "site1"
+ vendor = (known after apply)
}
+ site_associations {
+ aws_access_key_id = (known after apply)
+ aws_account_id = (known after apply)
+ aws_secret_key = (known after apply)
+ azure_access_type = (known after apply)
+ azure_active_directory_id = (known after apply)
+ azure_application_id = (known after apply)
+ azure_client_secret = (known after apply)
+ azure_subscription_id = (known after apply)
+ is_aws_account_trusted = (known after apply)
+ site_id = "site2"
+ vendor = (known after apply)
}
+ user_associations {
+ user_id = (known after apply)
}
}
# mso_tenant.restenant["1"] will be created
+ resource "mso_tenant" "restenant" {
+ description = "Test Tenant 2"
+ display_name = "Tenant-2"
+ id = (known after apply)
+ name = "Tenant-2"
+ site_associations {
+ aws_access_key_id = (known after apply)
+ aws_account_id = (known after apply)
+ aws_secret_key = (known after apply)
+ azure_access_type = (known after apply)
+ azure_active_directory_id = (known after apply)
+ azure_application_id = (known after apply)
+ azure_client_secret = (known after apply)
+ azure_subscription_id = (known after apply)
+ is_aws_account_trusted = (known after apply)
+ site_id = "site1"
+ vendor = (known after apply)
}
+ user_associations {
+ user_id = (known after apply)
}
}
Plan: 2 to add, 0 to change, 0 to destroy.