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terraform output map

In the same folder launch terraform console for testing built-in functions. Looking at the source for config_map_aws_auth output it just directly returns the state of the kubernetes_config_map.If you have manage_aws_auth = false set on the module then the output will be an empty tuple.. A Terraform map is key/value collection. You may need to terraform init if you haven't already. terraform console Inside the console type: zipmap([for m in local.shared_env: m.name], [for m in local.shared_env: m.value]) Observe the output of each list-item-map being a name-value-pair of a single map: Output values are declared using an output block. An example where I used this recently was in a Terraform module for creating a pod of EC2 Instances: module "omni_lab_alpha" {source = "./modules/omni_box" lab_name = "primary" ami = "${var.ami}" instance_type = "${var.instance_type}" node_count = "${var.node_count}" public_key_path = … Applying the above, you can verify that Terraform map nesting is now quite powerful and this makes a lot of things easier. Using this, I can now do stuff like: output "image_bucket_name" { value = "${lookup(var.image_bucket_names, var.environment, "No way this should happen")}" } where: How to define output values for dynamically created terraform resources Published: 16 August 2020 1 minute read Looking at the standard documentation page for terraform output there are some samples for basic values and for how to access module values.. If manage_aws_auth is true then the output would be slightly more useful but the module will already be trying to … There's (now) a lookup function supported in the terraform interpolation syntax, that allows you to lookup dynamic keys in a map. Dropping a quick reference here on some specific use cases for Terraform syntax. author 18 Sep 2019 on terraform | terraform expressions | terraform functions | terraform for | terraform for_each | terraform zip_map | terraform output Building Dynamic Outputs with Terraform Expressions and Functions. Terraform outputs are used to extract information about the infrastructure resources from the project state. # Apply complete! We know we can define a Terraform module that produces output for another … Scenario #1 I want to build an Azure Route Table. Maps can be used to select specific values based on a user defined key. The label after the output … A normal route ta It is going to contain 1 or more routes, but those are dependent upon the implementation; one may have 1 or 2, another may have more or even zero. ... be used to output certain values to the CLI during a terraform apply or to provide inputs to other resources created by Terraform. Terraform’s for expressions also allow you to loop over a map using the following syntax: [for , in : ] Where MAP is a map to loop over, KEY and VALUE are the local variable names to assign to each key-value pair in MAP, and OUTPUT is an expression that transforms KEY and VALUE … Nested Loops in Terraform: Create a map from 2 lists By Yüriy , March 7, 2020 7:42 pm Recently I encountered a Terraform task in which I had a list of roles and a list of policies and I needed to create a AWS resource for every combination of role-policy. This is great, but what if you had been following some of my previous posts about looping and want get some output … Introduction. Using other features of the Hashicorp Configuration Language (HCL), which Terraform uses, resource information can be queried and transformed into more complex data structures, such as lists and maps. Okay, I realize I'm probably mis-using outputs, but I've just stumbled onto this: Using this workaround with nested maps which themselves have values which are lists, causes the output to be dropped out of existence entirely! Resources: 0 added, 0 changed, 0 destroyed.

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