2015-06-17 19:58:08 +02:00
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---
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layout: "aws"
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page_title: "AWS: aws_flow_log"
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sidebar_current: "docs-aws-resource-flow-log"
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description: |-
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Provides a VPC/Subnet/ENI Flow Log
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---
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# aws\_flow\_log
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Provides a VPC/Subnet/ENI Flow Log to capture IP traffic for a specific network
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interface, subnet, or VPC. Logs are sent to a CloudWatch Log Group.
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```
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resource "aws_flow_log" "test_flow_log" {
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log_group_name = "tf-test-log-group"
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iam_role_arn = "arn:aws:iam::470663696735:role/tf-test-cloud"
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vpc_id = "${aws_vpc.default.id}"
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traffic_type = "ALL"
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}
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```
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## Argument Reference
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The following arguments are supported:
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* `log_group_name` - (Required) The name of the CloudWatch log group
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* `iam_role_arn` - (Required) The ARN for the IAM role that's used to post flow
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2015-06-17 19:58:08 +02:00
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logs to a CloudWatch Logs log group
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* `vpc_id` - (Optional) VPC ID to attach to
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* `subnet_id` - (Optional) Subnet ID to attach to
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* `eni_id` - (Optional) Elastic Network Interface ID to attach to
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* `traffic_type` - (Required) The type of traffic to capture. Valid values:
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`ACCEPT`,`REJECT`, `ALL`
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## Attributes Reference
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The following attributes are exported:
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* `id` - The Flow Log ID
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