41 lines
923 B
Markdown
41 lines
923 B
Markdown
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---
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layout: "aws"
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page_title: "AWS: aws_subnet_ids"
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sidebar_current: "docs-aws-datasource-subnet-ids"
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description: |-
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Provides a list of subnet Ids for a VPC
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---
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# aws\_subnet\_ids
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`aws_subnet_ids` provides a list of ids for a vpc_id
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This resource can be useful for getting back a list of subnet ids for a vpc.
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## Example Usage
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The following shows outputing all cidr blocks for every subnet id in a vpc.
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```
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data "aws_subnet_ids" "example" {
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vpc_id = "${var.vpc_id}"
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}
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data "aws_subnet" "example" {
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count = "${length(data.aws_subnet_ids.example.ids)}"
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id = "${aws_subnet_ids.example.ids[count.index]}"
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}
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output "subnet_cidr_blocks" {
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value = ["${data.aws_subnet.example.*.cidr_block}"]
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}
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```
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## Argument Reference
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* `vpc_id` - (Required) The VPC ID that you want to filter from.
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## Attributes Reference
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* `ids` - Is a list of all the subnet ids found. If none found. This data source will fail out.
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