Create a set of sane EFS CloudWatch alerts for monitoring the health of an EFS resource.
| area | metric | comparison operator | threshold | rationale |
|---|---|---|---|---|
| Storage | BurstCreditBalance | < |
192000000000 | 192 GB in Bytes (last hour where you can burst at 100 MB/sec) |
| Storage | PercentIOLimit | > |
95 | When the IO limit has been exceeded, the system performance drops. |
Tip
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Works with Github Actions, Atlantis, or Spacelift.
Watch demo of using Atmos with Terraform
Example of running
atmos to manage infrastructure from our Quick Start tutorial.
resource "aws_efs_file_system" "default" {
creation_token = "app"
}
module "efs_alarms" {
source = "git::https://github.com/cloudposse/terraform-aws-efs-cloudwatch-sns-alarms.git?ref=master"
filesystem_id = "${aws_efs_file_system.default.id}"
}Available targets:
help Help screen
help/all Display help for all targets
help/short This help short screen
lint Lint terraform code
No requirements.
| Name | Version |
|---|---|
| aws | n/a |
No modules.
| Name | Type |
|---|---|
| aws_cloudwatch_metric_alarm.burst_credit_balance_too_low | resource |
| aws_cloudwatch_metric_alarm.percent_io_limit_too_high | resource |
| aws_sns_topic.default | resource |
| aws_sns_topic_policy.default | resource |
| aws_caller_identity.default | data source |
| aws_iam_policy_document.sns_topic_policy | data source |
| Name | Description | Type | Default | Required |
|---|---|---|---|---|
| add_sns_policy | Attach a policy that allows the notifications through to the SNS topic endpoint | string |
"false" |
no |
| additional_endpoint_arns | Any alert endpoints, such as autoscaling, or app escaling endpoint arns that will respond to an alert | list(string) |
[] |
no |
| burst_credit_balance_threshold | The minimum number of burst credits that a file system should have. | string |
"192000000000" |
no |
| filesystem_id | The EFS file system ID that you want to monitor | string |
n/a | yes |
| percent_io_limit_threshold | IO Limit threshold | string |
"95" |
no |
| sns_topic_arn | An SNS topic ARN that has already been created. Its policy must already allow access from CloudWatch Alarms, or set add_sns_policy to true |
string |
"" |
no |
| Name | Description |
|---|---|
| sns_topic_arn | An SNS topic ARN that has already been created. Its policy must already allow access from CloudWatch Alarms, or set add_sns_policy to true |
Check out these related projects.
- terraform-aws-efs-backup - Terraform module designed to easily backup EFS filesystems to S3 using DataPipeline
- terraform-aws-efs - Terraform Module to define an EFS Filesystem (aka NFS)
- terraform-aws-sns-lambda-notify-slack - Terraform module to provision a lambda function that subscribes to SNS and notifies to Slack.
- terraform-aws-sns-topic-notify - Terraform Module to notify SNS topic.
Tip
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