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cloudwatch_s3.tf
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cloudwatch_s3.tf
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# ------------------------------------------------------------------------------
# Provision an S3 bucket to store CDM CloudWatch logs.
# ------------------------------------------------------------------------------
resource "aws_s3_bucket" "cloudwatch" {
provider = aws.sharedservicesprovisionaccount
bucket = var.cdm_cloudwatch_bucket_name
tags = {
"Name" = "CDM CloudWatch logs bucket"
}
}
# Ensure the S3 bucket is encrypted
resource "aws_s3_bucket_server_side_encryption_configuration" "cloudwatch" {
provider = aws.sharedservicesprovisionaccount
bucket = aws_s3_bucket.cloudwatch.id
rule {
apply_server_side_encryption_by_default {
sse_algorithm = "AES256"
}
}
}
# This blocks ANY public access to the bucket or the objects it
# contains, even if misconfigured to allow public access.
resource "aws_s3_bucket_public_access_block" "cloudwatch" {
provider = aws.sharedservicesprovisionaccount
block_public_acls = true
block_public_policy = true
bucket = aws_s3_bucket.cloudwatch.id
ignore_public_acls = true
restrict_public_buckets = true
}
# Any objects placed into this bucket should be owned by the bucket
# owner. This ensures that even if objects are added by a different
# account, the bucket-owning account retains full control over the
# objects stored in this bucket.
resource "aws_s3_bucket_ownership_controls" "cloudwatch" {
provider = aws.sharedservicesprovisionaccount
bucket = aws_s3_bucket.cloudwatch.id
rule {
object_ownership = "BucketOwnerEnforced"
}
}
# Configure the bucket to send notifications to the SNS topic whenever objects
# are added to the bucket.
resource "aws_s3_bucket_notification" "cloudwatch" {
provider = aws.sharedservicesprovisionaccount
bucket = aws_s3_bucket.cloudwatch.id
topic {
events = ["s3:ObjectCreated:*"]
topic_arn = aws_sns_topic.cloudwatch_logs.arn
}
}