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ecs-cluster-infrastructure-pending-task-metric-lambda.tf
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ecs-cluster-infrastructure-pending-task-metric-lambda.tf
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resource "aws_cloudwatch_log_group" "ecs_cluster_infrastructure_pending_task_metric_lambda_log_group" {
count = local.enable_infrastructure_ecs_cluster_pending_task_alert ? 1 : 0
name = "/aws/lambda/${local.resource_prefix_hash}-ecs-cluster-infrastructure-pending-task-metric"
kms_key_id = local.infrastructure_kms_encryption ? aws_kms_key.infrastructure[0].arn : null
retention_in_days = local.infrastructure_ecs_cluster_pending_task_metric_lambda_log_retention
}
resource "aws_iam_role" "ecs_cluster_infrastructure_pending_task_metric_lambda" {
count = local.enable_infrastructure_ecs_cluster_pending_task_alert ? 1 : 0
name = "${local.resource_prefix}-${substr(sha512("ecs-cluster-infrastructure-pending-task-metric"), 0, 6)}"
description = "${local.resource_prefix}-ecs-cluster-infrastructure-pending-task-metric"
assume_role_policy = templatefile(
"${path.root}/policies/assume-roles/service-principle-standard.json.tpl",
{ services = jsonencode(["lambda.amazonaws.com"]) }
)
}
resource "aws_iam_policy" "ecs_cluster_infrastructure_pending_task_metric_lambda" {
count = local.enable_infrastructure_ecs_cluster_pending_task_alert ? 1 : 0
name = "${local.resource_prefix}-ecs-cluster-infrastructure-pending-task-metric"
policy = templatefile(
"${path.root}/policies/lambda-default.json.tpl",
{
region = local.aws_region
account_id = local.aws_account_id
function_name = "${local.resource_prefix_hash}-ecs-cluster-infrastructure-pending-task-metric"
}
)
}
resource "aws_iam_role_policy_attachment" "ecs_cluster_infrastructure_pending_task_metric_lambda" {
count = local.enable_infrastructure_ecs_cluster_pending_task_alert ? 1 : 0
role = aws_iam_role.ecs_cluster_infrastructure_pending_task_metric_lambda[0].name
policy_arn = aws_iam_policy.ecs_cluster_infrastructure_pending_task_metric_lambda[0].arn
}
resource "aws_iam_policy" "ecs_cluster_infrastructure_pending_task_metric_cloudwatch_put_metric_data_lambda" {
count = local.enable_infrastructure_ecs_cluster_pending_task_alert ? 1 : 0
name = "${local.resource_prefix}-ecs-cluster-infrastructure-pending-task-metric-cloudwatch-put-metric-data"
policy = templatefile(
"${path.root}/policies/cloudwatch-put-metric-data.json.tpl",
{
region = local.aws_region
account_id = local.aws_account_id
namespaces = ["ECS"]
}
)
}
resource "aws_iam_role_policy_attachment" "ecs_cluster_infrastructure_pending_task_cloudwatch_metric_put_metric_data_lambda" {
count = local.enable_infrastructure_ecs_cluster_pending_task_alert ? 1 : 0
role = aws_iam_role.ecs_cluster_infrastructure_pending_task_metric_lambda[0].name
policy_arn = aws_iam_policy.ecs_cluster_infrastructure_pending_task_metric_cloudwatch_put_metric_data_lambda[0].arn
}
resource "aws_iam_policy" "ecs_cluster_infrastructure_pending_task_metric_ecs_describe_cluster_lambda" {
count = local.enable_infrastructure_ecs_cluster_pending_task_alert ? 1 : 0
name = "${local.resource_prefix}-ecs-cluster-infrastructure-pending-task-metric-ecs-describe-cluster"
policy = templatefile(
"${path.root}/policies/ecs-describe-cluster.json.tpl",
{
region = local.aws_region
account_id = local.aws_account_id
cluster_names = [local.infrastructure_ecs_cluster_name]
}
)
}
resource "aws_iam_role_policy_attachment" "ecs_cluster_infrastructure_pending_task_metric_ecs_describe_cluster_lambda" {
count = local.enable_infrastructure_ecs_cluster_pending_task_alert ? 1 : 0
role = aws_iam_role.ecs_cluster_infrastructure_pending_task_metric_lambda[0].name
policy_arn = aws_iam_policy.ecs_cluster_infrastructure_pending_task_metric_ecs_describe_cluster_lambda[0].arn
}
resource "aws_iam_policy" "ecs_cluster_infrastructure_pending_task_metric_kms_encrypt" {
count = local.enable_infrastructure_ecs_cluster_pending_task_alert && local.infrastructure_kms_encryption ? 1 : 0
name = "${local.resource_prefix}-ecs-cluster-infrastructure-pending-task-metric-kms-encrypt"
policy = templatefile(
"${path.root}/policies/kms-encrypt.json.tpl",
{ kms_key_arn = aws_kms_key.infrastructure[0].arn }
)
}
resource "aws_iam_role_policy_attachment" "ecs_cluster_infrastructure_pending_task_kms_encrypt" {
count = local.enable_infrastructure_ecs_cluster_pending_task_alert && local.infrastructure_kms_encryption ? 1 : 0
role = aws_iam_role.ecs_cluster_infrastructure_pending_task_metric_lambda[0].name
policy_arn = aws_iam_policy.ecs_cluster_infrastructure_pending_task_metric_kms_encrypt[0].arn
}
data "archive_file" "ecs_cluster_infrastructure_pending_task_metric_lambda" {
count = local.enable_infrastructure_ecs_cluster_pending_task_alert ? 1 : 0
type = "zip"
source_dir = "lambdas/ecs-pending-task-metric"
output_path = "lambdas/.zip-cache/ecs-pending-task-metric.zip"
}
resource "aws_lambda_function" "ecs_cluster_infrastructure_pending_task_metric" {
count = local.enable_infrastructure_ecs_cluster_pending_task_alert ? 1 : 0
filename = data.archive_file.ecs_cluster_infrastructure_pending_task_metric_lambda[0].output_path
function_name = "${local.resource_prefix_hash}-ecs-cluster-infrastructure-pending-task-metric"
description = "${local.resource_prefix} ECS Cluster Infrastructure Pending Task Metric"
handler = "function.lambda_handler"
runtime = "python3.11"
role = aws_iam_role.ecs_cluster_infrastructure_pending_task_metric_lambda[0].arn
source_code_hash = data.archive_file.ecs_cluster_infrastructure_pending_task_metric_lambda[0].output_base64sha256
memory_size = 128
package_type = "Zip"
timeout = 900
environment {
variables = {
ecsClusterName = local.infrastructure_ecs_cluster_name
}
}
tracing_config {
mode = "Active"
}
depends_on = [
aws_iam_role_policy_attachment.ecs_cluster_infrastructure_pending_task_metric_lambda,
aws_iam_role_policy_attachment.ecs_cluster_infrastructure_pending_task_cloudwatch_metric_put_metric_data_lambda,
aws_iam_role_policy_attachment.ecs_cluster_infrastructure_pending_task_metric_ecs_describe_cluster_lambda,
aws_iam_role_policy_attachment.ecs_cluster_infrastructure_pending_task_kms_encrypt
]
}
resource "aws_cloudwatch_event_rule" "ecs_cluster_infrastructure_pending_task_metric_1_min_cron" {
count = local.enable_infrastructure_ecs_cluster_pending_task_alert ? 1 : 0
name = "${local.resource_prefix_hash}-ecs-cluster-infrastructure-pending-task-metric-1-min"
description = "Triggers the ${aws_lambda_function.ecs_cluster_infrastructure_pending_task_metric[0].function_name} Lambda every 1 minute"
schedule_expression = "rate(1 minute)"
}
resource "aws_cloudwatch_event_target" "ecs_cluster_infrastructure_pending_task_metric_1_min_cron" {
count = local.enable_infrastructure_ecs_cluster_pending_task_alert ? 1 : 0
rule = aws_cloudwatch_event_rule.ecs_cluster_infrastructure_pending_task_metric_1_min_cron[0].name
target_id = "lambda"
arn = aws_lambda_function.ecs_cluster_infrastructure_pending_task_metric[0].arn
}
resource "aws_lambda_permission" "ecs_cluster_infrastructure_pending_task_metric_allow_cloudwatch_execution" {
count = local.enable_infrastructure_ecs_cluster_pending_task_alert ? 1 : 0
statement_id = "AllowExecutionFromCloudWatch"
action = "lambda:InvokeFunction"
function_name = aws_lambda_function.ecs_cluster_infrastructure_pending_task_metric[0].function_name
principal = "events.amazonaws.com"
source_arn = aws_cloudwatch_event_rule.ecs_cluster_infrastructure_pending_task_metric_1_min_cron[0].arn
}