用于每个dynamodb表的多个基本云监视警报的Terraform模块。定义一次使用多次

# main.tf

# 定义DynamoDB表
resource "aws_dynamodb_table" "example_table" {
  name           = "example_table"
  billing_mode   = "PAY_PER_REQUEST"
  hash_key       = "id"
  attribute {
    name = "id"
    type = "N"
  }
}

# 定义云监视警报
resource "aws_cloudwatch_metric_alarm" "example_alarm" {
  alarm_name          = "example_alarm"
  comparison_operator = "GreaterThanOrEqualToThreshold"
  evaluation_periods  = 1
  metric_name         = "ConsumedReadCapacityUnits"
  namespace           = "AWS/DynamoDB"
  period              = 60
  statistic           = "SampleCount"
  threshold           = 100
  alarm_description   = "This metric checks the consumed read capacity units for the DynamoDB table"
  alarm_actions       = [aws_sns_topic.example_topic.arn]
}

# 输出资源信息
output "table_arn" {
  value = aws_dynamodb_table.example_table.arn
}

output "alarm_arn" {
  value = aws_cloudwatch_metric_alarm.example_alarm.arn
}

# variables.tf

variable "table_name" {
  description = "The name of the DynamoDB table"
  type        = string
  default     = "example_table"
}

variable "threshold" {
  description = "The threshold for the cloudwatch alarm"
  type        = number
  default     = 100
}

# outputs.tf

output "table_arn" {
  description = "The ARN of the DynamoDB table"
  value       = aws_dynamodb_table.example_table.arn
}

output "alarm_arn" {
  description = "The ARN of the cloudwatch alarm"
  value       = aws_cloudwatch_metric_alarm.example_alarm.arn
}