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2026-02-13 15:44:24 +08:00
parent 66be8224f4
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+# Monitoring module 
+This module deploys the default cloudwatch metric monitoring
+
+## Notes
+Terraform lifecycle ignores tags to speed up terraform subsequent update. Cloudwatch alarm tags cannot be read on aws console anyway.
+AWS provider 4.47.0 or above is needed for datasource aws_db_instances (https://github.com/hashicorp/terraform-provider-aws/blob/main/CHANGELOG.md)
+
+## Example
+```terraform
+module "rds-instances" {
+  source        = "../../modules/util/resource-list"
+  resource-type = "rds"
+}
+
+module "rds-monitoring" {
+  # for_each = toset(var.rds-instance-ids)
+  cw-alarm-prefix            = local.cw-alarm-prefix
+  for_each                   = module.rds-instances.result-set
+  source                     = "../../modules/ManagementGovernance/Monitoring.RDS"
+  default-tags               = local.default-tags
+  rds-instance-name          = each.value
+  threshold-CpuUtilization   = 90
+  threshold-FreeableMemory   = 512 * 1024 * 1024
+  threshold-FreeStorageSpace = 5 * 1024 * 1024 * 1024
+  threshold-DiskQueueDepth   = 30
+  threshold-ReadLatency      = 0.03
+  threshold-WriteLatency     = 0.03
+  actions-enabled            = var.actions-enabled
+  sns-targets = var.sns-targets
+}
+```