Difference between revisions of "Terraform conditional expressions"
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− | + | https://www.terraform.io/docs/language/expressions/conditionals.html | |
− | + | * <code>condition ? true_val : false_val</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 == | ||
* {{Terraform}} | * {{Terraform}} | ||
+ | |||
+ | [[Category:Terraform]] |
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]
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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