Difference between revisions of "Terraform conditional expressions"
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| (8 intermediate revisions by 2 users not shown) | |||
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* <code>condition ? true_val : false_val</code> | * <code>condition ? true_val : false_val</code> | ||
| − | * <code>[[count]] = var.[[vpc_cidr_block]] != null ? 1 : 0</code> | + | * <code>[[Terraform meta argument: count|count]] = var.[[vpc_cidr_block]] != null ? 1 : 0</code> |
| + | |||
| + | [[retention_in_days]] = var.yourenv == "prod" ? 14 : 1 | ||
| + | |||
| + | |||
| + | count = var.env == "prod" ? 1 : 0 | ||
| + | |||
| + | |||
| + | https://www.hashicorp.com/blog/announcing-terraform-0-12 | ||
| + | locals { | ||
| + | public_instances_by_az = { | ||
| + | for i in aws_instance.example : i.availability_zone => i... | ||
| + | if i.associate_public_ip_address | ||
| + | } | ||
| + | } | ||
| + | |||
| + | == Related == | ||
| + | * <code>[[depends_on]]</code> | ||
| + | * <code>[[if]]</code> | ||
| + | * [[Terraform meta argument]]: <code>[[Terraform meta argument: count|count]]</code> | ||
| + | [[Error: Unsupported attribute]] | ||
== See also == | == See also == | ||
Latest revision as of 15:44, 19 April 2023
https://www.terraform.io/docs/language/expressions/conditionals.html
condition ? true_val : false_val
count = var.vpc_cidr_block != null ? 1 : 0
retention_in_days = var.yourenv == "prod" ? 14 : 1
count = var.env == "prod" ? 1 : 0
https://www.hashicorp.com/blog/announcing-terraform-0-12
locals {
public_instances_by_az = {
for i in aws_instance.example : i.availability_zone => i...
if i.associate_public_ip_address
}
}
Related[edit]
Error: Unsupported attribute
See also[edit]
- Terraform, OpenTofu, Terrakube.org, Installation, Terraform AWS, Terraform GCP, Terraform commands, Terraform Cloud, Terraform Enterprise (TFE), HCL, HIL, meta-arguments, providers, modules, resource, provisioners, data sources, backends: remote backends, examples, configuration files, state files, variables, types, Terraform Registry, conditionals:
depends_on, functions, Blocks, dynamic blocks, errors, Terragrunt, Terraformer, Terratest, Terraform certifications, Terraform map type, Terraform Associate, Terraform: list type,TF_VAR_, TF_LOG, Terraform provider versioning, Terraform Style Conventions, Required version, Terraform plugin, Terraform Named Values, tags, Changelog,tfsec, tflint, Operators, Expressions:for, splat, Debugging, Namespaces, Terraform Landing Zones, CDKTF, Atmos
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